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HomeMy WebLinkAbout1.1 Supplemental ApplicationGARFIELD COUNTY Building & Planning Department 108 8th Street, Suite 401 Glenwood Springs, Colorado 81601 Telephone: 970.945.8212 Facsimile: 97 www.garfield-county.com RECEIVED JUN 0 5 2008 IOUNTY P NNING Special Use Permit GENERAL INFORMATION (To be completed by the applicant) Street Address / General Location of Property: Section 25. Township 5 South, Range 98 West. 6th Principal Meridian (Latitude 39°35'20.0"N. Longitude 108°29'25.6"W NAD 83 / WGS 84) • Legal Description: Portions of NE1/4NW1/4 and SE1/4NW1/4 of S36, T5S, R98W, 6th Principal Meridian, County of Garfield, State of Colorado - detailed description provided with plat drawing • Existing Use & Size of Property in acres: Grazing / Agricultural 5.0 of -54,000 acres ▪ Description of Special Use Requested: Service Pad / Booster Corepressor Station to support natural gas production operations at Chevron North American Exploration and Production Company's Piceanee Basin Natural Gas Development Prograrn north of De Beque, Colorado i► Zone District: Resource Lairds • Name of Property Owner (Applicant): Chevron U.S.A. Inc. ✓ Address: C/O Chevron Texaco Property Tax, P.O. Box 285 Telephone: ✓ City: Houston State: TX Zip Code: 77001 r Name of Owner's Representative, if any (Attorney, Planner, etc): Sally Cufiin, URS - Washington Division FAX: • Address: 7800 E. Union Avenue, Suite 100 Telephone: (303) 843-2219 • City: Denver State: CO Zip Code: 80237 FAX:(303) 843-3622 STAFF USE ONLY • Doc. No.: Date Submitted: TC Date: Planner: Hearing Date: RS iiivoircm Washington Division 110 CHEVRON P10EANCE BASIN NATURAL GAS DEVELOPMENT PROGRAM SERVICE PAD / BOOSTER COMPRESSOR STATION 25-4 GARFIELD COUNTY SPECIAL USE PERMIT APPLICATION INDUSTRIAL SUPPORT FACILITY / COMMUNICATION SYSTEM B Revised to add Communication System Details EJB SMC 06/03/08 A Issued for County Submittal SMC 04/21/08 REV. DESCRIPTION BY CHKD APVD RVWD ATE REVISIONS CLIENT: Chevron North America Exploration and Production Company PROJECT: Piceance Basin Natural Gas Development Program — Early Production System PROJECT NO.: 29454 — Under Chevron Contract Number 0537211 DOC. NO.: PBSR-59825BVF-RGL-PMT-URS-00000-00001 APPLICATION SUBMITTAL REQUIREMENTS As a minimum, specifically respond to all the following items below and attach any additional information to be submitted with this application: 1. Please submit, in narrative form, the nature and character of the Special Use requested. Submit plans and supporting information (i.e. letters from responsible agencies). Include specifications for the proposed use including, but not limited to, the hours of operation, the number and type of vehicles accessing the site on a daily, weekly and/or monthly basis, and the size and location of any existing and/or proposed structures that will be used in conjunction with the proposed use, and provisions for electric power service and any other proposed utility improvements. Be specific. 2. If you will be using water or will be treating wastewater in conjunction with the proposed use, please detail the amount of water that would be used and the type of wastewater treatment. If you will be utilizing well water, please attach a copy of the appropriate well permit and any other legal water supply information, including a water allotment contract or an approved water augmentation plan to demonstrate that you have legal and adequate water for the proposed use. 3. Submit a site plan /map drawn to scale that portrays the boundaries of the subject property, all existing and proposed structures on the property, and the County or State roadways within one (1) mile of your property. If you are proposing a new or expanded access onto a County or State roadway, submit a driveway or highway access permit. 4. Submit a vicinity map showing slope / topography of your property, for which a U.S.G.S.1:24,000 scale quadrangle map will suffice. 5. Submit a copy of the appropriate portion of a Garfield County Assessor's Map showing all the subject property and public and private landowners adjacent to your property (which should be delineated). In addition, submit a list of all property owners, public and private landowners and their addresses adjacent to or within 200 ft. of the site. This information can be obtained from the Assessor's Office. We will also need the names (if applicable) of all mineral right owners of the subject property. (That information can be found in your title policy under Exceptions to Title). 6. Submit a copy of the deed and a legal description of the subject property. 7. If you are acting as an agent for the property owner, you must attach an acknowledgement from the property owner that you may act in his/her behalf. 8. Submit an statement that specifically responds to each of the following criteria from Section 5.03 of the Zoning Regulations: (1) Utilities adequate to provide water and sanitation service based on accepted engineering standards and approved by the Board of County Commissioners shall either be in place or shall be constructed in conjunction with the proposed use. (2) Street improvements adequate to accommodate traffic volume generated by the proposed use and to provide safe, convenient access to the use shall either be in place or shall be constructed in conjunction with the proposed use; (3) Design of the proposed use is organized to minimize impact on and from adjacent uses of land through installation of screen fences or landscape materials on the periphery of the lot and by location of intensively utilized areas, access points, lighting and signs in such a manner as to protect established neighborhood character; 9. Depending on the type of Special Use Permit requested, you may need to respond to additional review standards in the Garfield County Zoning Resolution Section 5.00 [Supplementary Regulations]. This may include uses such industrial uses [section 5.03.07 & 5.03.08], Accessory Dwelling Units [section 5.03.21], Utility line/Utility Substations, etc. Specific sections of the Zoning Resolution which can be located on the Garfield County web site at http:/fwww.garfield-county.com/building and planning/index.htm, or information can be obtained from this office 10. A $400.00 Base Fee: Applicant shall sign the "Agreement for Payment" form and provide the fee with the application. 11. Submit 2 copies of this completed application form and all the required submittal materials to the Building and Planning Department. Staff will request additional copies once the Special Use Permit application has been deemed technically complete. Ii. PROCEDURAL REQUIREMENTS (The following steps outline how the Special Use Permit Application review process works in Garfield County.) I. Submit this completed application form, base fee, and all supplemental information to the Garfield County Planning Department. It will be received and given to a Staff Planner who will review the application for technical completeness. 2. Once the application is deemed technically complete, the Staff Planner will send you a letter indicating the application is complete. In addition, Staff will also send you a "Public Notice Form(s)" indicating the time and date of your hearing before the Board of County Commissioners. Prior to the public hearing, Staff will provide you with a Staff Memorandum regarding your requested Special Use. (If Staff determines you application to be deficient, a letter will be sent to you indicating that additional information is needed to deem your application complete.) 3. It is solely the Applicant's responsibility to ensure proper noticing occurs regarding the requested Special Use and the public hearing. If proper notice has not occurred, the public hearing will not occur. Notice requirements are as follows: a. Notice by publication, including the name of the applicant, description of the subject lot, a description of the proposed special use and nature of the hearing, and the date, time and place for the hearing shall be given once in a newspaper of general circulation in that portion of the County in which the subject property is located at least thirty (30) but not more than sixty (60) days prior to the date of such hearing, and proof of publication shall be presented at hearing by the applicant. b. Notice by mail, containing information as described in the paragraph above, shall be mailed to all owners of record as shown in the County Assessor's Office of lots within two hundred feet (200') of the subject lot and to all owners of mineral interest in the subject property at least thirty (30) but not more than sixty (60) days prior to such hearing time by certified return receipt mail, and receipts shall be presented at the hearing by the applicant. c. The site shall be posted such that the notice is clearly and conspicuously visible from a public right-of-way, with notice signs provided by the Planning Department. The posting must take place at least thirty (30) but not more than sixty (60) days prior to the hearing date and is the sole responsibility of the applicant to post the notice, and ensure that it remains posted until and during the date of the hearing. 4. The Applicant is required to appear before the Board of County Commissioners at the time and date of the public hearing at which time the Board will consider the request. In addition, the Applicant shall provide proof, at the hearing, that proper notice was provided. 5. Once the Board makes a decision regarding the Special Use request, Staff will provide the Applicant with a signed resolution memorializing the action taken by the Board. Following the Board's approval, this office will issue the Special Use Permit to the applicant. If the Board's approval includes specific conditions of approval to be met, this office will not issue the Official Special Use Permit certificate until the applicant has satisfied all conditions of approval. The Special Use Permit approval is not finalized until this office has issued the Official Special Use Permit certificate signed by the Chairman of the Board of County Commissioners. I have read the statements above and have provided the required attached information which is correct and accurate to the best of my knowledge. (Signature of applicant/owner) Last Revised: 02/2006 Street Address / General Location of Property: Section 25, Township 5 South, Range 98 West, 6th Principal Meridian. A general coordinate for the facility is 39°35' 19.46"N latitude, 108°20'25.68"W longitude NAD 83 / WGS 84. Legal Description: A parcel of land situate in the NE% NWl and SE1% NW% of Section 25, Township 5 South, Range 98 West of the 6th Principal Meridian, County of Garfield, State of Colorado, the perimeter being more particularly described for area as follows: Commencing at a 1924 General Land Office (GLO) brass cap in place for the North'% corner common with Sections 52 & 24; whence a found 1923 GLO brass cap in place for the section corner of Sections 24, 25, 19 and 30 bears S89°54'57"E a distance of 2631.66 feet, with all bearings contained herein being relative thereto; thence S24°48' 10"W a distance of 937.44 feet to the true point of beginning of the parcel described herein; thence S52°31'05"E a distance of 364.85 feet; thence S34°51'56"W a distance of 313.89 feet to the centerline of an existing dirt road; thence S69°12'32"W a distance of 261.86 feet to the centerline of an existing dirt road; thence N51014'51"W a distance of 223.17 feet to the centerline of an existing dirt road; thence along the centerline of said dirt road N05°31'27"W a distance of 208.78 feet; thence leaving centerline of said dirt road N55°37' 14"E a distance of 398.47 feet to the point of beginning, containing 4.97 acres more or less (about 2.0 acres to contain new disturbance). Existing Use & Size of Property in acres: The footprint of the Service Pad / Booster Compressor Station 25-4 area is about 2.7 acres, which was previously disturbed during the installation of Skinner Ridge Well 598-25-4. About 1.4 additional acres will be disturbed to provide an area for two booster compressors that will service gas production from Well Pads 598 -25 -AV and 598 -25 -BV. The facilities are is located in the NEl NWl/a and SE% NW% of Section 25, which is part of a in Tracts 103 and 104 of a 17013.05 acre parcel (No. 213715300009), which is currently zoned as grazing / agricultural land (Ref: Garfield County Account Number - R290521; Parcel Number — 2137-153-000-09). This parcel is part of a larger contiguous parcel of about 54,000 acres. Zone District: Resource Lands Name of Property Owner (Applicant): Chevron U.S.A. Inc. Atten: Ken Jackson 11111 South Wilcrest Drive Houston, TX 77099 Phone (281) 561-4991 FAX (281) 561-3702 Name of Owner's Representative, if any (Attorney, Planner, etc.) Sally Cuffin, URS -Washington Division, Denver, Colorado Garfield County Special Use Permit Application Service Pad / Booster Compressor Station 25-4 / Communication System Chevron Piceance Basin Natural Gas Development Program Chevron North America Exploration and Production Company 744 Horizon Court Grand Junction, CO 81506 Revision B Prepared by URS Washington Division 7800 East Union Avenue Suite 100 Denver, Colorado 80237 Table of Contents 1 Nature and Character of Special Use Permit 1 1.1 Location 1 1.2 Service Pad / Booster Compressor Station 25-4 Purpose 2 1.3 Equipment List 2 1.3.1 Communications System / Regulatory Requirements 3 1.4 Hours of Operation 3 1.5 Vehicles / Traffic / Regulatory Requirements 4 1.6 Civil Specifications / Regulatory Requirements 5 1.7 Major Equipment Descriptions / Regulatory Requirements 6 1.7.1 Booster Compressors / Generators 6 1.7.2 Fracing Equipment 6 1.8 Structural Specifications / Regulatory Requirements 6 1.9 Electrical Utilities / Regulatory Requirements 7 1.10 Floodplain 7 1.11 Noxious Weeds ...7 1.12 Safety / Security / Emergency Response ... 8 2 Water Supply / Wastewater Management Systems 9 3 Site Plan / Property Map 9 4 Topographic Vicinity Map 9 5 Assessor's Map / Adjacent Landowners 10 6 Property Deed 10 7 Authorization Letter .10 8 Water & Wastewater Management / Street Improvements / Project Visual Effects.... 10 8.1 Water and Sanitation Service 10 8.1.1 Sanitation Services 11 8.2 Road Improvements / Issues 11 8.3 Visual Effects 11 8.4 Reclamation and Re -vegetation Plan 11 9 Use Specific Standards 12 9.1 Supplemental Industrial Operations Requirements (Zoning Resolution - §5.03.07) 12 9.2 Supplemental Industrial Performance Standards (Zoning Resolution - §5.03.08) 13 9.3 Supplemental Regulation for Accessory Dwelling Units (Zoning Resolution - §5.03.021) 13 9.4 Supplemental Regulation for Broadcasting Studio and/or Communication Facility (Zoning Resolution - §5.03.13) and Communication Towers (Zoning Resolution - §5.06.02) 13 9.5 Chevron Specific Requirements 14 9.6 General Supplemental Information — Biological Survey / Cultural Resources 14 9.7 Documentation 14 Attachments Maps Drawings Communications System Hyland Contract Storm Water Management Plan (SWMP) Construction Storm Water Permit Doc. No.: PBSR-59825BVF-RGLrPMT-URS-00000-00001, Rev. B Service Pad/BCS 25-4 - Special Use Permit Chevron North American Exploration and Production Company i Piceance Basin Natural Gas Development Program Erosion Control Drawings Compressor Specification Air Permits Noise Assessment Study Typical Frac Tank Integrated Vegetation and Noxious Weed Management Plan Biological Survey Emergency Response Plan Safety Plans Driveway Permit Email Plat Assessor Map Adjacent Property Owners - Assessor Maps Adjacent Property Owners - List Deed Authorization Letter 45 Road Bridge Cultural Resources Inventory Doc. No.: PBSR-59825BVF-RGL-PMT-URS-00000-0000I, Rev. B Service Pad/BCS 25-4 - Special Use Permit Chevron North American Exploration and Production Company ii Piceance Basin Natural Gas Development Program Introduction As part of their Piceance Basin Natural Gas Development Program (Program), Chevron North America Exploration and Production Company (Chevron) proposes the construction of a Service Pad / Booster Compressor Station and an associated communication system. The proposed facility will make use of an existing well pad (Skinner Ridge 598-25-4) for centralized staging area for hydraulic fracturing equipment and supplies. Available space on that pad also will be used as an in -field fabrication area and for general storage. In addition to the proposed activities on the existing well pad, a small adjacent pad is proposed for the placement of two booster compressors needed transfer natural gas from two adjacent well pads currently under construction. The proposed site activities are necessary to support drilling and gas production operations in the Tom Creek area of Chevron's Skinner Ridge Natural Gas Field. The Program is located on a Chevron owned parcel of about 54,000 contiguous acres north of De Beque, Colorado (see Maps — Figure 1). Well pads and preliminary facilities associated with the Early Production System (EPS) phase of the Program are currently operational or under construction. The EPS includes the development of four well pads, two service pads, the Central Production Facility (CPF), and the associated support facilities (see Maps - Figure 2). Service Pad / Booster Compressor Station 25-4 is an integral part of the facilities needed to support the EPS. 1 Nature and Character of Special Use Permit Please submit, in narrative form, the nature and character of the Special Use requested. Submit plans and supporting information (i.e, letters from responsible agencies). Include specifications for the proposed use including. but not limited to, the hours of operation, the number and type of vehicles accessing the site on a daily, weekly andlor monthly basis, and the size and location of any existing and/or proposed structures that will be used in conjunction with the proposed use, and provisions for electric power service and any other proposed utility improvements. Be specific. As part of the EPS development Chevron proposes the installation and operation of Service Pad / Booster Compressor Station 25-4 (SP/BCS 25-4). The facility will be located in the NEt/ NW'/a and SEt NWt/a of Section 25, Township 5 South, Range 98 West of the 6th Principal Meridian (see Maps - Figure 2). 1.1 Location The proposed facility will be located about 1.4 miles north northwest of an existing intersection of two ranch roads near the confluence of Clear Creek and Tom Creek (see Maps - Figure 2). The intersection is located about 2.5 miles north northwest of the end of County Road (CR) 211. The site can be accessed from Interstate 70, exit 62, by traveling north on local Road 45N (currently bridge reconstruction detours traffic to the frontage road to W.5 road and back to 45N). Road 45N north of De Beque, Colorado, is also known as Roan Creek Road/Drive and CR 204 (Garfield County). The intersection of CR 211 and CR 204 is located about 12.5 miles north northwest of De Beque and this facility can be accessed by continuing north on CR 211. SP/BCS 25-4 would occupy about 3.8 acres of a survey defined 5.0 acre parcel. A general coordinate for the facility is 39°35' 19.46"N latitude, 108°20'25.68"W longitude NAD 83 / WGS 84. Doc. No.: PBSR-59825BVF-RGL-PMT-URS-00000-00001, Rev. B Service Pad/BCS 25-4 - Special Use Pemut Chevron North American Exploration and Production Company 1 Piceance Basin Natural Gas Development Program 1.2 Service Pad / Booster Compressor Station 25-4 Purpose SP/BCS 25-4 will be used for multiple purposes to support the natural gas field operations. Separation and control equipment from the existing well pad (Skinner Ridge 598-25-4) has been moved to an adjacent well pad to accommodate the placement of hydraulic fracturing equipment. Remaining space on the existing pad will be used for miscellaneous storage and in field fabrication operations (e.g., welding, cutting, assembly). A smaller secondary pad is proposed for the placement of two booster compressors needed to maintain appropriate pipeline pressures for natural gas delivery to the Central Production Facility (see Figure 3 and Drawing PBSR-59825-DVW-RGL-PLT-URS-00000-00001). Skinner Ridge well pads 598 -25 -AV and 598 -25 -BV will be serviced by these booster compressors (each well pad has up to 22 directionally drilled wells). The CPF removes the remaining water and condensate (a blend of low-density hydrocarbons), which is not removed by the on pad separation equipment, prior to gas transfer into the Program 30 -inch sales pipeline. Condensate removal is necessary to prevent pipeline multiphase flow problems and to collect the valuable commodity for sales (source of propane, butane, pentane and heavier hydrocarbon fraction). The water must be removed to prevent corrosion and hydrate formation in the pipelines and to prevent the multiphase flow problems. As part of the SP/BCS 25-4, a communication system (32 -ft tower, 10 -ft x 12 -ft communications building, and associated communication equipment) is proposed for the east -central portion of the SP/BCS 25-4 complex. The purpose of the communication system is to interface with existing previously permitted towers required for radio, cellular, and data communications in the deep, remote canyons. It also will allow field personnel to communicate with the Chevron Grand Junction office. The communication system is essential for ensuring safe and efficient operations. 1.3 Equipment List The current SP/BCS 25-4 equipment list for the booster compressor pad area includes the following: • 2 Compressor / Generator Skids (Caterpillar G3516 -LE) • Control Building (8 ft x 40 ft) • General Storage Area (8 ft x 40 ft) • Air System Skid • Pipe Rack, Piping, and Control Cables • System Vent Stack (20 feet height) • Communications tower (32 -ft height with 10 -ft x 10 -ft support pad) and building (10 -ft x 12 -ft) to support on-site communications operations In addition the following equipment wilI be placed on the existing well pad (Skinner Ridge 598- 25-4): • Up to 50 hydraulic fracturing (frac) tanks - contain a combination of fresh, produced, and recycled water • Four material movers — used for sand storage and handling (300,000 to 400,000 pounds of sand per unit) • Blender — mixes water, sand, fracing polymer (Gel -Pro), and biocide Doc. No.: PBSR-59825BVP-RGL-PMT-URS-00000-00001, Rev. B Service Pad/BCS 25-4 - Special Use Permit Chevron North American Exploration and Production Company 2 Piceance Basin Natural Gas Development Program • Conveyor belt -- moves sand to Blender • Four hydraulic horsepower pumps — pressurize frac fluids for well injection • Control van — controls and monitors frac operations • Three chemical storage buildings — storage of biocide (Biocyte) used to control growth of bacteria in water stored in frac tanks and fracing polymer (Gel -Pro) • Delivery pipeline to well pads • Fabrication equipment for miscellaneous in -field requirements All equipment will be designed / installed in accordance with current engineering standards [e.g., American Petroleum Institute (API), American Society of Mechanical Engineers (ASME), American Society for Testing Materials (ASTM), American Welding Society (AWS), International Fire Code (IFC), National Electrical Code (NEC), National Electrical Manufacturers Association (NEMA), National Fire Protection Association (NFPA), etc.]. Buildings will meet the International Building Code (IBC) 2003 and National Electrical Code (NEC) 2005 requirements and all other relevant County codes. Eight- to ten -inch pipelines will transfer gas from the wells to the booster compressors and on to the CPF (information about these pipelines was provided in the CPF Special Use Permit application). 1.3.1 Communications System/Regulatory Requirements The communication system will include a 32 -ft tall tower, radio transmission and receiver equipment, and a 10 -ft x 12 -ft communication equipment building. Current planning places the tower and building in the east -central portion of the SP/BCS 25-4 complex (see Drawing PBSR- 59825-DVW-RGL-PLT-URS-00000-00001, Rev. A). A generalized drawing of the communication tower is provided in the Communication System attachment. Power for the system will be provided by a combination of solar recharged batteries and site power. A 10 -ft x 10 -ft (depth determined by local frost line) concrete pad will serve as the tower base. The current tower design indicates that the structure will be free standing, but guying wires may be added if warranted by site specific conditions. The SP/BCS 25-4 system will interface with existing previously permitted towers located in the Clear Creek valley or on the surrounding plateau. At least one of the plateau units maintains communications with the Grand Junction office using line of sight transmission / reception. In addition to County zoning regulations, the Federal Aviation Administration (FAA) and Federal Communication Commission (FCC) have specific regulations for communication systems and towers. These regulations / requirements were reviewed for the proposed installation and the review results are summarized in Section 9.4. The system will be constructed / installed in accordance with the requirements of the International Fire Code, National Electrical Code, and 2003 International Building Code at a minimum. 1.4 Hours of Operation The booster compressors will operate 24 -hours, 7 days a week, but will not be continuously manned. Personnel will visit the location as needed to perform tasks such as system checks and routine maintenance. The fracing Control Van and equipment will be manned 24 -hours, 7 days a week during fracing operations. Both areas will be used for miscellaneous storage and fabrication activities, which will be manned between several minutes to several hours as required. Doc. No.: PBSR-59825BVF-RGL-PMT-URS-00000-00001, Rev. B Service Pad/BCS 25-4 - Special Use Permit Chevron North American Exploration and Production Company 3 Piceance Basin Natural Gas Development Program The communication system will operate 24 hours a day, seven days a week. 1.5 Vehicles / Traffic / Regulatory Requirements A preliminary EPS traffic plan was previously provided in the EPS Plan of Development, which details estimates of traffic on area roads and highways. Periods of increased vehicle traffic are anticipated while facility construction is completed and prior to the implementation of mitigation measures. Initial traffic associated with the SP/BCS 25-4 construction will include the delivery and transfer of earthmoving equipment (e.g., graders, backhoes, loaders) and construction materials (e.g., concrete, gravel, storm -water controls) plus the associated workers. Additional deliveries / installations will be required for the compressor / generators, piping / valves, pipe racks, storage and control buildings, frac equipment (tanks, movers, blender, pumps, etc.) frac supplies (water, sand, polymer, biocide), and communication tower / equipment. Vehicles required for the booster compressor pad construction will range from heavy duty pickup trucks to oversized vehicles for transporting equipment such as the compressor / generators. The majority of the traffic will be sized to meet posted weight restrictions but a number of heavy and wide loads will be required to place major equipment (e.g., compressor / generators). An estimated 30 vehicles will be required to deliver construction and site equipment with an additional 50 vehicles for construction materials with 20 vehicles for concrete delivery (dependent on compressor foundation design). The compressor pad construction is expected to take about two to four weeks (dependent on weather delays) requiring a workforce of between 30 and 50 employees. Efforts will be made to reduce workforce vehicle trips by the use of carpooling, vans, and / or buses. Operation of the booster compressors is dependent on the CPF becoming operational. Start up will involve bringing the compressor / generators on line and ensuring that all mechanical / electrical / control & instrumentation systems are operational and properly interface. These operations will be coordinated through the CPF startup workforce of about 30 employees. Fracing operations can begin after the placement of the tanks, mixers, blender, pumps, conveyor belts, storage and control buildings, and materials delivery. Fracing equipment is provided as mobile units that can be transported to the site and left until the completion of operations (about 63 units). Between 10 and 20 additional units will be needed for delivery of piping, conveyor belts, and controls. Fifty to 100 truckloads of sand, polymer, and biocide will be needed for the fracing operations at each well pad. Fresh water will be the initial source for fracing, which initially will be trucked to the site either from off-site sources or the Fresh Water Pond. Pipelines are planned to reduce the number of water tankers, but if the pipelines are delayed it could take 2,500 to 3,000 truckloads to fill the tanks for each well pad fracing operation. Between 30 and 40 workers will be required during fracing operations, but their duties will be split between SP/BCS 25-4 and the well pad. Typical fracing operations take between 20 and 30 days, but this may need to be extended depending on water availability. Efforts will be made to reduce workforce vehicle trips by the use of carpooling, vans, and / or buses. When fracing operations are not taking place, a limited number of personnel will monitor the site. Additional traffic associated with SP/BCS 25-4 will include temporary storage of drilling equipment and supplies and in -field fabrication activities. The site also will be serviced for trash Doc. No.: PBSR-59825BVF-RGL-PMT-URS-00000-00001, Rev. B Service Pad/BCS 25-4 - Special Use Permit Chevron North American Exploration and Production Company 4 Piceance Basin Natural Gas Development Program collection and bottled water made be periodically delivered. No restroom facilities will be provided at this location due to the proximity of the well pad facilities. All vehicles working within Garfield County Right of Ways will be licensed and registered in the State of Colorado. Vehicles hauling equipment and materials will abide by Garfield County Road and Bridge Departments oversize / overweight regulations. All oversize / overweight vehicles will obtain the necessary permits and carry a letter showing proof that they can operate under a known bond holder on file with Garfield and Mesa County Road and Bridge Departments. CNAEP has contracted with Hyland Enterprises, Inc. (see attached Hyland Contract) to supplement the County snow removal operations (scheduled hours 5 am to 5 pm) and provide general maintenance of the private access roads. Road closures are still possible during large snowfall events. 1.6 Civil Specifications / Regulatory Requirements Well pad 598-25-4 was originally graded for drilling operations under the requirements of the Colorado Oil and Gas Conservation Equipment (COGCC) that included a re -vegetation plan and bond. The waste pit at the site has since been filled / compacted to match the existing pad grade. Gravel was placed on the pad as part of the drilling operations but additional material may be required depending on usage. General site grading information is provided in Drawings PBSR-59825-INV-SRV-GEG-00001- 2899-03-B01 and PBSR-59825-INV-SRV-GEG-00001-2899-03-B01 with grading sections in Drawing PBSR-59825-INV-SRV-GEG-00001 -2899-05-801 (see Drawings). Storm -water / erosion controls will be used in accordance with the best management controls specified by the site Storm Water Management Plan (SWMP) (see attached SWMP and associated Construction Storm Water Permit). An addendum to the SWMP for specific storm water controls for this site is provided in Drawings PBSR-59825-INF-DRN-GEG-00001-2899-06-B01, PBSR-59825-INF- DRN-GEG-00001-2899-07-B01, and PBSR-59825-INF-DRN-GEG-00001-2899-08-B01 (see Erosion Control Drawings). Bi -weekly SWMP inspections will be conducted to ensure site stabilization measures are adequate and / or identify areas that need repair / improvement. Any construction dewatering activities will be implemented in accordance with the provisions of the existing Construction Storm Water Permit with required information provided in the Site Specific Storm Water Plan. Available topsoil will be stockpiled and stabilized on the pad berms for the eventual site reclamation in accordance with specific SWMP requirements. Seed mixes used for site stabilization and revegetation will be in compliance with Garfield County Reclamation Standards. The berms / stockpiles will be monitored and controlled for noxious weeds throughout the operation of SP/BCS 25-4. General information concerning the area reclamation plan for the area is provided in Section 8.4. The SP/BCS 25-4 construction activities do not require a CDPHE Air Pollution Emission Notice (APEN) for fugitive dust because of the limited size of disturbance (<25 acres) and limited construction schedule (<6 months). Doc. No.: PBSR-59825BVF-RGL-PMT-URS-00000-00001, Rev. B Service Pad/BCS 25-4 - Special Use Permit Chevron North American Exploration and Production Company 5 Piceance Basin Natural Gas Development Program 1.7 Major Equipment Descriptions / Regulatory Requirements The overall site layout is provided in Drawing PBSR-59825-DVW-RGL-PLT-URS-00000- 00001 (see Drawings). The following provides information about the major production processes. 1.7.1 Booster Compressors / Generators Two Caterpillar G3516 LE combination compressor / generators will be used to assist the transfer the natural gas from the wells to the CPF. Specifications for these units are provided as an attachment (see Compressor Specification). Two Construction Air Permits were approved by CDPHE on January 29, 2008, for the booster compressors. Minor permit application for air emissions from the CPF equipment was submitted to the CDPHE on May I, 2007. Copies of the permit approval notifications are provided an attachment (see Air Permits). Booster compressors for the overall Program were evaluated as part of a preliminary noise assessment completed by Hoover & Keith Inc. (see Noise Assessment Study attachment). The assessment determined that the booster compressors will be in compliance the area noise regulations. 1.7.2 Fracing Equipment Up to fifty 500 barrel (21,000 gallons) portable tanks will used for hydraulic fracturing operations. These tanks can store fresh, produced, or recycled water or a combination of these sources. An illustration of a typical frac tank is provided as an attachment (see Typical Frac Tank). The water from these tanks is the carrier media for a combination of sand (proppant — holds open the hydraulically created fracture), polymer (allows more proppant to be held in solution), and a biocide (used to inhibit bacteria that degrade polymer and potentially block fractures) used for the fracturing operations. Sand (proppant) is stored and handled in four material movers, which can handle between 300,000 and 400,000 pounds of sand per unit. A conveyor belt system moves the sand to the blender where it is mixed with water, fracing polymer (Gel -Pro), and biocide (Biocyte). The mixture is transferred via temporary pipelines to the well using hydraulic horsepower pumps (up to four) that generate sufficient pressure to fracture the target formation. The fracing operation is controlled by a combination of personnel at the well pad and control van. The fracing operations are managed by a subcontractor that is required to maintain operation specific Spill Prevention, Control, and Countermeasure (SPCC) plans for each location. These plans are reviewed by Chevron for completeness and compliance. 1.8 Structural Specifications / Regulatory Requirements A 40 -ft x 8 -ft manufactured building is proposed house the booster compressor controls, electrical equipment, and general storage. The building will meet the 2003 International Building Code requirements and Garfield County specific requirements. Detailed drawings and specifications will be provided with the Garfield County building permit application. Doc. No.: PBSR-59825BVF-RGL-PMT-URS-00000-00001, Rev. B Service Pad/BCS 25-4 - Special Use Permit Chevron North American Exploration and Production Company 6 Piceance Basin Natural Gas Development Program Multiple mobile processing units (tanks, mixers, blender, control unit, etc.) will be used for the fracing operations. These units are designed to for mobile operations. A communication tower is to be located in the east -central portion of the SPECS 25-4 complex for general communications and SCADA interfaces. The size of this tower is 32 -feet. Signals from this tower will be relayed by the network of Chevron communication towers previously permitted by Garfield County. The tower will meet all applicable regulations including the Federal Communications Commission and National, Federal Aviation Administration, International Fire Code, and National Electrical Code requirements. 1.9 Electrical Utilities / Regulatory Requirements Grand Valley Power is currently working to provide 5 MW of service to the facilities in Clear Creek valley, but initial operations will require the use of on-site power generation. Operational power will initially be provided the integral generators. The generator component may eventually be bypassed when a proposed Grand Valley Power line is routed to the site. Initial plans are to upgrade power to the Clear Creek basin to 5 MW with ultimate plans to upgrade the system to 240 MW service. Grand Valley Power is currently scheduling the 5 MW upgrade for some time 2008 or early 2009. 1.10 Floodplain No Federal Emergency Management Agency (FEMA) flood map was available for the Program area. To properly evaluate the area for flooding issues, a preliminary, 100 -year floodplain was developed for Clear Creek and its tributaries using HEC -RAS in accordance with FEMA guidance and specifications. The model surface was generated from a combination of Light Detection and Radar (LIDAR) and USGS topographic data. Additional survey data was collected along the Tom Creek corridor to refine the floodplain at the mouth of the canyon. The graphical result of the Clear Creek / Tom Creek analysis is provided as Figure 2 (see Maps) — the report is currently under review. The elevation differential between Tom Creek and SP/BCS 25-4 is sufficient to avoid the floodplain. 1.11 Noxious Weeds An initial survey of noxious weeds in the Clear Creek drainage was completed during November, 2006, to determine the extent of the problem. The results were presented in the Integrated Vegetation and Noxious Weed Management (IVNWM) Plan for the Chevron Clear Creek 8 -Inch Pipeline completed by WestWater Engineering (December, 2006) (see attached plan). The study indicated that about 50 -percent of the valley floor has been infested with noxious weeds. Supplemental information has been reported in a Clear Creek biological survey completed by WestWater during May of last year (see Section 9.1). The recent survey included the majority of the Clear Creek basin including the surrounding steep talus slopes. Survey results indicated that the entire drainage is affected by noxious weeds. WestWater has been tasked with generating a new plan that specifically addresses the facility areas that are proposed for development. Initial findings from that study are expected in early April, but planned work will continue throughout the spring and summer seasons. The plan will be updated as new information is collected. Doc. No.: PBSR-59825BVF-RGL-PMT-URS-00000-00001, Rev. B Service Pad/BCS 25-4 - Special Use Permit Chevron North American Exploration and Production Company 7 Piceance Basin Natural Gas Development Program In general terms, all identified noxious weeds will be removed during the initial site grading. Maintenance operations will include continuing control of all noxious weeds using a combination of removal and re -vegetation techniques. 1.12 Safety / Security / Emergency Response Chevron has initiated coordination activities to ensure that local fire departments, medical facilities, and emergency response providers are aware of the Program activities and hazards. Detailed Program facility maps along with the associated GPS coordinates have been provided to the Garfield County Sheriff's Office and Local fire departments as part of the Program ERP. Multiple meetings have been held with the De Beque, Rifle fire departments to discuss hazards specific to a natural gas production field. Meetings with the Grand Valley (Parachute) fire department are planned. Members of the De Beque emergency response team have completed Chevrons's safety orientation for the Program. Efforts have been made to provide safety training to local landowners. Meetings also have been held with the Bureau of Land Management representatives of the Rocky Mountain Coordinating Group, an interagency fire management group that includes six federal agencies and the Colorado State Forest Service. Follow up meetings will be held with these organizations as the various facilities are constructed and become operational. Chevron safety personnel have had extensive discussions with local emergency medical service providers including St. Mary's Hospital and Medical Center (Grand Junction), CareFlight Air Ambulance (associated with St. Mary's), and Grand River Heath and Safety Center. Meetings with Community Hospital (Grand Junction) and Grand River Hospital (Rifle) are being planned. Personnel also have met with a local physicians group (including Dr. Krueger and Dr. Papenfus) that was organized to address the increasing demands on emergency response. Site personnel will be trained to report fires or other emergencies in accordance with the Chevron Emergency Response Plan (see attached ERP). The ERP is a living document that incorporates changes to facilities and operations as the various systems come on line. Coordination meetings have been held with the De Beque Fire Chief and other emergency agencies to address site specific issues. All buildings will be evaluated for sprinkler and alarm requirements in accordance with the 2003 International Fire Code (IFC) and the 2003 International Building Code (IBC). Portable fire extinguishers will be placed at a density consistent with the 2003 1FC and all personnel will be trained in their proper operation. Designated smoking areas will be established for the Complex area for all phases of the Program. Another area may be designated for limited outdoor cooking during motivational events. The proposed cooking area will be equipped with proper fire controls and will not be used during periods of high fire danger. All employees and contractors will comply with the provisions of the Chevron PBNCG Hazard Elimination / Safety (HES) Plan (see attached Safety Plans). Applicable requirements will be detailed in any Master Service Agreement and must be met prior to any contracting activity. Noncompliance with the policy will result in immediate dismissal and termination of the contract. Doc, No.: PBSR-59825BVF-RGL-PMT-URS-00000-00001, Rev. B Service Pad/BCS 25-4 - Special Use Permit Chevron North American Exploration and Production Company 8 Piceance Basin Natural Gas Development Program 2 Water Supply / Wastewater Management Systems If you will be using water or will be treating wastewater in conjunction with the proposed use, please detail the amount of water that would be used and the type of wastewater treatment. If you will be utilizing well water, please attach a copy of the appropriate well permit and any other legal water supply information, including a water allotment contract or an approved water augmentation plan to demonstrate that you have legal and adequate water for the proposed use. Bottled water may be supplied to the Control Van and Booster Compressor Control Building but all restroom facilities will be provided at adjacent facilities (e.g., nearby well pads or CPF). This facility will be used intermittently for a limited amount of time and will not require long-term service. Fresh and produced water is required for the fracing operations on the pad but these activities are covered by COGCC regulations. 3 Site Plan / Property Map Submit a site plan /map drawn to scale that portrays the boundaries of the subject property, all existing and proposed structures on the property, and the County or State roadways within one (I) mile of your property. If you are proposing a new or expanded access onto a County or State roadway, submit a driveway or highway access permit. A site plan of the property and proposed facilities and access is provided on Drawing PBSR- 59825-DVW-RGL-PLT-URS-00000-00001 (see Drawings). Figures 1 and 2 show County, State, and Federal roads that service the property (see Maps). Figure 2 shows some of the existing and proposed facilities / structures associated with the gas field development. Figure 3 is a map of the SP/BCS 25-4 vicinity, which includes the adjacent well pads that will be serviced by the booster compressors (see Maps). A surveyed plat of the physical location also is provided (see Plat). The boundary of the contiguous Chevron parcel is provided as an attached set of Assessor Maps. The maps are currently being incorporated onto one map that will be provided to the County when available. SPECS 25-4 will be located about 1.4 miles north northwest of an existing intersection of two ranch roads near the confluence of Clear Creek and Tom Creek, which is about 2.5 miles north northwest of the end of CR 211. No driveway permit will be required for the location because of its distance from existing County roads. An email from Garfield Road & Bridge has been provided as an attachment to document that a driveway permit will not be required (see Driveway Permit Email). 4 Topographic Vicinity Map Submit a vicinity map showing slope / topography of your property, for which a U.S.G.S. 1:24,000 scale quadrangle map will suffice. Area topographic in the project vicinity can be seen in Figure 2 and 3 (see Maps). Steep cliffs in the vicinity of these facilities represent a falling rock hazard. Mitigation measures will be incorporated into the site HES and ERP. Doc, No,: PBSR-59825BVF-RGL-PMT-URS-00000.00001, Rev, B Service PadJBCS 25.4 - Special Use Permit Chevron North American Exploration and Production Company 9 Piceance Basin Natural Gas Development Program 5 Assessor's Map / Adjacent Landowners Submit a copy of the appropriate portion of a Garfield County Assessor's Map showing all the subject property and public and private landowners adjacent to your property (which should be delineated). In addition, submit a list of all property owners, public and private landowners and their addresses adjacent to or within 200 ft. of the site. This information can be obtained from the Assessor's Office. We will also need the names (if applicable) of all mineral right owners of the subject property. (That information can be found in your title policy under Exceptions to Title). A copy of the appropriate portion of the Garfield County Assessor's Map with the marked site location is provided in the Assessor Maps attachment. The contiguous Chevron parcel is identified on a series of assessor maps provided as the Adjacent Property Owners — Assessor Maps attachment. A list of adjacent property owners is provided as the Adjacent Property Owner — List attachment. 6 Property Deed Submit a copy of the deed and a legal description of the subject property. Portions of the deed associated with the CPF tracts are provided as the Deed attachment. Additional ownership information has been provided as a land ownership declaration. 7 Authorization Letter If you are acting as an agent for the property owner, you must attach an acknowledgement from the property owner that you may act in his/her behalf. A letter authorizing URS - Washington Group to represent Chevron in the permitting activities is provided in the Authorization Letter attachment. 8 Water & Wastewater Management / Street Improvements / Project Visual Effects Submit a statement that specifically responds to each of the following criteria from Section 5.03 of the Zoning Regulations: (1) Utilities adequate to provide water and sanitation service based on accepted engineering standards and approved by the Board of County Commissioners shall either be in place or shall be constructed in conjunction with the proposed use. (2) Street improvements adequate to accommodate traffic volume generated by the proposed use and to provide safe, convenient access to the use shall either be in place or shall be constructed in conjunction with the proposed use; (3) Design of the proposed use is organized to minimize impact on and from adjacent uses of land through installation of screen fences or landscape materials on the periphery of the lot and by location of intensively utilized areas, access points, lighting and signs in such a manner as to protect established neighborhood character; 8.1 Water and Sanitation Service As discussed in Section 2, no water or wastewater services, other than bottled water, will be needed at this location due to adjacent facilities. Doc, No,: PBSR-59825BVF-RGL-PMT-URS-00000-00001, Rev. B Service Pad/BCS 25-4 - Special Use Permit Chevron North American Exploration and Production Company 10 Piceance Basin Natural Gas Development Program 8.1.1 Sanitation Services The Complex area will be maintained in a clean, safe, and sanitary condition, free of weeds or refuse. Down Valley Septic will provide trash collection services for SPECS 25-4. At least one 30 - cubic yard, "bear -proof', roll -off container will be provided on site to manage miscellaneous solid waste. The roll off will be constructed of steel including the lid(s). The container lid will be secured using a steel bar across the top of the lid with positive connection and a hasp lock at the sidewalls to restrict entry (or equivalent). Site personnel will be informed of the proper closure procedures. No hazardous materials will be disposed of in this container (posted accordingly). Sufficient signage, in multiple languages if required, will be posted to ensure that all users are aware of the appropriate regulations/procedures. 8.2 Road Improvements / Issues As previously mentioned, a driveway permit will not be necessary for this location. Chevron and the County Road and Bridge Department coordinate activities needed to maintain the surface of CR 211 to maintain access to the site. Additional coordination with the County Engineering Department is currently underway for planned improvements to CR 204. The Program private roads will be maintained by Hyland Enterprises, Inc. to ensure year round access to all facilities. A copy of the Hyland contract is provided as an attachment (see Hyland Contract). The Colorado River bridge that provides access to De Beque from Interstate 70 (I-70) is currently being rebuilt with a scheduled reopening in the summer of 2008. The current detour from the De Beque I-70 exit (Exit 62) requires heading east on the frontage road to W.5 road and back to 45 Road (Roan Creek). However, there is a height restriction of 15 -ft on this route. Vehicles greater than 15 -ft need to exit I-70 at Exit 75 (Parachute) and continue west on the frontage road toward De Beque to W.5 road and back to 45 Road (Roan Creek) north of De Beque. A map posted by Mesa County of the affected area is provided (see 45 Road Bridge attachment). 8.3 Visual Effects The Complex is located in a remote region of Garfield County and will have no direct visual effect on adjacent landowners. Visual effects include the physical presence of the facility, equipment / building lighting, and operational traffic. Outdoor lighting will be positioned downward to minimize lighting the canyon walls. Additional mitigation measures identified by the Chevron ESHIA process will be implemented as determined by project management. Facilities will be painted in accordance with best management practices such as those recommended in the Bureau of Land Management (BLM) Gold Book. 8.4 Reclamation and Re -vegetation Plan Activities at the SPECS 25-4 are expected to continue throughout the duration of the project, but the fracing operations will be moved to a new location after vicinity wells are completed. The total site disturbance will be about 4.1 acres with a long-term disturbance of about 3.8 acres. A portion of Well Pad 598-25-4 may be re -vegetated after the removal of the fracing equipment, but the area may be maintained for in -field storage and / or fabrication. When the gas field is Doc. No.: PBSR-59825BVF-RGL-PMT-URS-00000-00001, Rev. B Service Pad/BCS 25-4 - Special Use Permit Chevron North American Exploration and Production Company 11 Piceance Basin Natural Gas Development Program depleted the SP/BCS 25-4 equipment, gravel pad, and any material storage will be removed. The area then will be graded to the original contours, the stockpiled topsoil will be replaced, and the area will be planted with native vegetation. Reclamation and re -vegetation activities will be in accordance with requirements outlined in Garfield County Zoning Resolution 5.02.21 (11). General details of the re -vegetation activities are provided in the IVNWM Plan and Storm Water Management Plan (SWMP) and will be included in the final re -vegetation plan. 9 Use Specific Standards Depending on the type of Special Use Permit requested, you may need to respond to additional review standards in the Garfield County Zoning Resolution Section 5.00 [Supplementary Regulations]. This may include uses such industrial uses [section 5.03.07 & 5.03.08], Accessory Dwelling Units [section 5.03.21], Utility line/Utility Substations, etc. Specific sections of the Zoning Resolution which can be located on the Garfield County web site at http://www.garfieldcounty.cornibuilding_and_planning/index.htm, or information can be obtained from this office. Because SPECS 25-4 supports operations associated with the development of natural gas, additional requirements must be met for Garfield County approval. The following details applicable information not provided in Sections 1 through 8 that are required by the supplemental regulations. 9.1 Supplemental Industrial Operations Requirements (Zoning Resolution - §5.03.07) Impacts associated with the Program were described in general terms in the Plan of Development provided to the County during the first quarter of 2007. Chevron has provided supplemental information on a continuing basis. Specific industrial operations requirements that are applicable to the Complex are as follows: No water will be removed or discharged from any of the State's waters without applicable permits (Colorado Division of Natural Resources and Colorado Water Quality Control Commission). Any discharge will meet the drinking water standards controlled by the Colorado Department of Health and Environment. [§5,03.07 (1)(A)] Discharges associated with this facility will be limited to effluent possible dewatering operations associated with construction. All dewatering operations will conform to the provisions of the SWMP. [§5.03.07 (1)(A)] A recently completed study has identified portions of CR 204 to be a wildlife corridor for mule deer. Vehicle traffic to and from the site will affect these populations, but mitigation measures are currently being studied and evaluated. Mitigation recommendations will be provided to project management, who will evaluate the alternatives and implement appropriate measures. [0.03.07 (1)(C)] A bond for the site reclamation after the cessation of activities will be provided as an addendum to this application upon determination of the total site disturbance. [§5.03.07 (2)(B)1 Outdoor food storage is prohibited to prevent the attraction of animals. No animals or pets will be housed at any Chevron facility. [§5.03.07 (1)(C)] Doc. No.: PBSR-59825BVF-RCL-PMT-URS-00000-00001, Rev. B Service Pad/BCS 25-4 - Special Use Permit Chevron North American Exploration and Production Company 12 Piceance Basin Natural Gas Development Program 9.2 Supplemental Industrial Performance Standards (Zoning Resolution - §5.03.08) All operations will comply with applicable County, State, and Federal regulations for water, air and noise pollution and shall not be conducted in a manner constituting a public nuisance or hazard. Specific information about noise, vibration, heat, dust, glare, etc. is provided in Sections 1 through 8. [0.03.08 (1 through 4)] The SP/BCS 25-4 may be used as a fabrication / storage area for in -field operations. The remote location ensures that these operations should not impact adjacent property owners if these activities are needed during off hours. 1§5.03.08 (5)(D)4.] Initial loading / unloading operations will include the equipment and material deliveries required for construction. Additional loading operations will be associated with process water and frac supplies delivery. None of these operations will occur on or near County roads. [§5.03.08 (5)(D)5.] 9.3 Supplemental Regulation for Accessory Dwelling Units (Zoning Resolution - §5.03.021) While SPECS 25-4 typically will riot be continuously manned, the following Garfield County requirements are applicable. All facilities will be permitted in accordance with the Garfield County Building Permit. The building permit applications for the Complex building will be submitted upon design completion and vendor selection. [§5.03.021 (7)] 9.4 Supplemental Regulation for Broadcasting Studio and/or Communication Facility (Zoning Resolution - §5.03.13) and Communication Towers (Zoning Resolution - §5.06.02) The Federal Aviation Administration's (FAA) Landing Facility Slope Calculation program, known as TOWAIR, website was used as a preliminary screening tool to determine if the tower required FAA registration. The TOWAIR results indicated that the system was not within five miles of any regional airport and would not require registration. In order to verify that finding (per guidance provided on the TOWAIR website) the criteria established in 47 CFR 17.7 and 14 CFR 77.13 was reviewed. Review of those regulations indicated the need to provide a helicopter landing pad exclusion radius of at least 820 feet from the tower. This requirement will be incorporated into the selection of future helipads that are being proposed for site emergencies. [§5.03.13.1] Vendor supplied information indicates that the communication system transmitter and associated equipment has been designed to meet the requirements of the Federal Communication Commission (FCC) as defined by part 15 of the FCC rules and regulations (see the Communication System attachment). The frequency band in which the system operates is "unlicensed" allowing this unit to operate as long as it does not produce harmful interference, but it must accept interference. [§5.03.13.1] The communication system tower is part of the infrastructure needed for the field development. This stand alone facility is needed to establish sufficient line of sight locations. [§5.03.13.2 & §5.06.02] The County zoning regulations currently do not list antenna height restrictions for Resource Land. The flat colors of the communication tower and associated equipment in combination with the Doc. No.: PBSR-59825BVF-RGL-PMT-URS-00000-00001, Rev. 13 Service Pad/BCS 25-4 - Special Use Permit Chevron North American Exploration and Production Company 13 Piceance Basin Natural Gas Development Program minimal cross sectional area will have a low visual impact. The tower will be located at a remote site. [§5.03.13.3 & .3(b)] 9.5 Chevron Specific Requirements No alcohol or firearms will be permitted at SP 25-4 or any other Chevron facilities / property. Outdoor smoking will be prohibited at this location. No smoking will be allowed inside any Chevron building / facility. 9.6 General Supplemental Information — Biological Survey / Cultural Resources A Class III Cultural Resources Inventory (Carl E. Conner and Barbara J. Davenport, June 3, 2005) and a Biological Survey (WestWater Engineering, July 11, 2006) were performed as part of the permitting process for an 8 -inch gathering pipeline. These studies provide baseline information for the ESHIA process and have been considered during the design process. Copies are provided as attachments for reference purposes. 9.7 Documentation Assuming the approval of the Special Use Permit, Garfield County will be informed when the site development begins. Verification of the installation will be documented in writing, by final site plan, and photographic record. All written documentation and site plans verifying compliance will be stamped by a certified Colorado Engineer. Doc. No.: PBSR-59825BVF-RGL-PMT-URS-00000-00001, Rev. 13 Service Pad/BCS 25-4 - Special Use Permit Chevron North American Exploration and Production Company 14 Piceancc Basin Natural Gas Development Program I l \ N — N N \\ 7 \- _..--- 02150100 WELL SKINNER RIDGE k ----r 596-25-4 \ N \ 1 \-.\ _ J._ - \ - ..�5_. 1��--._ _ ) __ I iAM1K NARI FDLO 1 ( /7-----1.----------(----------,L___.4400 TANKS I5CO Doli S / f Al BOOSTER COMPRESSORS f 8 7 1 ACCESS PAC / /// / / / / 32 ��---= ' �COMMUNICATIONS 100ER WITH 10' % 10' FOUNDATION 7..' 12' % 10' COMMUNICATION SLOG / f / ) 1L 1 �. \ 1 f t 11 CENTRAI. BUILDING 110' X 40'1 GENERAL STORAGE 110' x 40'1 0 10 20 3090 NOTES: I. CHEMICAL STORAGE TANKS 1010010E 51000001 2. HIIP - HYDRAULIC HORSEPOWER POWS 3. 0EL-PRO - POLYMER GEL STORAGE 4. 010000R - MIMES WATER. SAND. 0010012 GEL. 120010E1 5. FR00 OPERATIONS CONTROL VAN 6. HOVERS HOLO 300.900-900,000 LOS OF SA40 EA. FOR INFORMATION ONLY Chevron MidContlnen t/Alosko SBEJ Chevron Nor tin Americo IWOExplorotlon end Pr odLactlon REVISION APPROVAL RECORD REV DATE REVISIONS BY HER APPR RAWING STA OS DISCIPLINE BY 007E DISCIPLINE ElY DATE ARCH. CIVIL MECHANICAL ISSUED REV DATE 500 PE ELECTRICAL ENVIRON. CEN. 0211005. HVAC 150 NUCLEAR PIPING PROCESS 0A / OC STRUCTURAL PRELIMINARY APPROVED FOR CONSTRUCTION 5 T NOT APPROVED FOR CONSTRUCTION UNLESS SIGNED - S DATED. DESTROY ALL PRINT5 SEARING EARLIER DATE A/OR REV.NO. PROJECT NO.: DRAWN: 1NECKEO: DATE: URS Washington Division DATE: f 02 E _ - 11 12 21' l ii :r r "YOH PL PL SCALE: 4 DWG. NO. PF3S;{ '' 1i�%i71 L'� 1;,; .I 2 1110110Ear_tt TE_AR1_TCIEll A+E�THMTGAN �I 1F [1PLOT�AI�AIO_T[IIEt REV 11 Applicable FAA Information TOWAIR Search Results TOWAIR Determination Results *** NOTICE *** TOWAIR's findings are not definitive or binding, and we cannot guarantee that the data in TOWAIR are fully current and accurate. In some instances, TOWAIR may yield results that differ from application of the criteria set out in 47 C.F.R. Section 17.7 and 14 C.F.R. Section 77.13. A positive finding by TOWAIR recommending notification should be given considerable weight. On the other hand, a finding by TOWAIR recommending either for or against notification is not conclusive. It is the responsibility of each ASR participant to exercise due diligence to determine if it must coordinate its structure with the FAA. TOWAIR is only one tool designed to assist ASR participants in exercising this due diligence, and further investigation may be necessary to determine if FAA coordination is appropriate. DETERMINATION Results Structure does not require registration. There are no airports within 8 kilometers (5 miles) of the coordinates you provided. Your Specifications NAD83 Coordinates Latitude 39-35-19.5 north Longitude 108-20-25.7 west Measurements (Meters) Overall Structure Height (AGL) 9.8 Support Structure Height (AGL) 9.8 Site Elevation (AMSL) 1977 Structure Type TOWER - Free standing or Guyed Structure used for Communications Purposes Tower Construction Notification Notify Tribes and Historic Preservation Officers of your plans to build a tower. Note: Notification does NOT replace Section 106 Consultation. (cLoSE WINDOW) Page 1 of 1 http://wireless2.fcc.gov/UlsApp/AsrSearch/towairResult.jsp?printable 6/3/2008 Applicable FCC Information Jan 22 07 03:51p Chevron ITC Evanston 307-783-9393 p.2 NA 0 To 12 G A N OF I RA hq' - ._- �� i E lei F N T- 15 Legal and Regulatory Notices 15.1 IMPORTANT NOTE ON MODIFICATIONS Intentional or unintentional changes or modifications to the equipment must not be made unless under the express consent of the party responsible for compliance. Any such modifications could void the user's authority to operate the equipment and will void the manufacturer's warranty. 15,2 NATIONAL AND REGIONAL REGULATORY NOTICES U.S. Federal Communication Commission (FCC) and Industry Canada (IC) Notification This system has achieved Type Approval En various countries around the world. This means that the system hae been tested against various local technical regulations and found to comply. The frequency band in which the system operates is 'unlicensed' and the system is allowed to be used provided ft does not cause interference. Further, it is not guaranteed protection against interference from other products end 'installations. This device complies with part 15 of the US FCC Rules and Regulations and with RSS-210 of Industry Canada. Operation is subject to the following two conditions; (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation. fn Canada, users should be cautioned to take note that high power radars are allocated as primary users (meaning they have priority) of 5250 - 6350 MHz and 5650 - 5850 MHz and these radars could cause interference and/or damage to license -exempt local area networks (LE LAN). This equipment has bean tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the US FCC Rules and with RSS-210 of Industry Canada These limits are designed to provide reasonable protection against harmful interference in a residential Installation. This equipment generates, uses, and can radiate radio-frequency energy and, if not installed and used in accordance with these instructions, may cause harmful interference to radio communications. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment on and off, the user is encouraged to correct the interference by one or more of the following measures: • Increase the separation between the affected equipment and the unit; • Connect the affected equipment to a power outlet on a different circuit from that which the receiver is connected to; • Consult the dealer and/or experienced radiolrlt technician for help. FCC IDs and Industry Canada Certification Numbers are listed in Table 15. This deice compel with Part 15 of the FCC Net FCC ID: QWP58XX-5 opeeatirn if rmiteu to the Iblkwieq two eoeditioov t 7teisdevke mar art Mao harmful itterrereou, and 2 This device mutt accept any iaterhariVa aetrived, ind.ding IC:4815A-58XXS Workmate that may cause andasired oparatirn. t :4s,, 010189 a9 985562 bhgdp malaq!e an Qatar sandal, id { wb$.r i► .plana on.w ibreici prepack neesbe.as ow donates 4s,e us plenum: larawircli a *tom *peal au toga aeln irb. Table 18: US FCC IDs and Industry Canada certification numbers Where necessary, the end user is responsible for obtaining any National licenses required to operate this product and these must be obtained before using the product in any particular country. Contact the Issue 3, March 2006 Page 149 of 151 fl Equipment Specifications Specifications Sheet Motorola Canopy 30 Mbps 5.7 GHz BH Pair - Connectorized 4. MOTOROLA • Canopy Part Number Description Market Availability Signaling Rate Typical LOS Range 57308HC20 30 Mbps 5.1 GHz BH Pair - Connectorized North America, Europe, South America, Asia 30 Mbps non-LoS Up to 6 Miles (10Km),near-LoS up to 25 Miles (40Km),LoS Up to 124 Miles (200Km) Typical Aggregate Useful Throughput Dynamically variable modulation ranges from 1.5 Mbps to 21 Mbps. (Upgradeable to 60 Mbps via Software License Key) 1 Frequency range of band Channel Width Modulation Type Encryption Latency Nominal Receiver Sensitivity (dbm typical) Antenna Gain (dB) DC Power (typical) Temperature Wind Survival Dimensions Weight Interface Protocols Used Network Management 5,725 GHz -5.850 GHz 12 Mhz Adapting between BPSK and 64OAM — (8 Modes). Signal is transmitted and received with multiple beams on separate routes — recorrelates signals and brings multi -path signals into phase. Generates a new set of Adaptive Modulation margins which reduces the probability of codeword errors (and hence packet loss). TDM mode. Proprietary scrambling, optional AES 128 Bit Encryption 7ms Adaptive, varying between -96.5 dBm and -12 dBrn according to modulation selected Approved to operate with flat plate up to 28 dBi, dish up to 37,7 dBi 90-240 AC / 36-60V DC, 55W max -40° C to +60° C (-40° F to +140 F) including solar radiation. 242 km/hr (150 miles/hr) Outdoor Unit: 12W x 12H x 4.10 inches (305 x 305 x 105 mm). Indoor Unit: 9.85W x 1.61 -Ix 3.1D inches (250 x 40 x 80 mm) Outdoor Unit: 9.1 lbs (4.1 kg) including bracket 10BASE-T / 100BASE-T (RJ -45) — auto MDI/MDIX switching IEEE 802.3 compatible Web Server and SNMP Specifications subject to change without notice. MOTOROLA and the 5tyliied M Logo are registered in the U.S. Patent and Trademark 011ice. All other product or service names are the property of their respective owners. (0 Motorola, Inc. 2906 Tower Drawing ) 1 1 1 1 1-2' DISH ANTENNA (TO HOGSBACK) COMMUNICATION TOWER TOP SECTION 9' ROHN 45 RADIO ENCLOSURE COMMUNICATION TOWER 24" HOLE „7— BATTERIES ENCLOSURE TOWER SECTI❑N A -A w 00 a CCU w 24" HOLE WITH CONCERT BATTERIES ENCLOSURE A vuuu L_ 1 1-900MHz YAGI ANTENNAS (TO FIELD) 112" HELIAX ANTENNA CABLING EACH RADIO / ANTENNA COMBINATION USES A SEPARATE 1/2" HELIAX CABLE) SOLAR PANEL 100 WATT — 4x2' I1 II — —IE Foundation has been modified for — - site conditions / requirements ELEVATION T Q 1—CISCO 350 BRIDGE RADIO (100 mWATT, 2.4 GHZ) GALVANIZED ENCLOSURE 2x1'x9" DEEP WITH 1—INET 900 EHTERNET RADIO (1 WATT, 900MHz) 1—MAX SOLAR HYBRID CHARGE VOLTAGE CONTROLLER (20 AMP, 12-24 VDC) POLY PHAZERS FOR LIGHTNING PROTECTION COMMUNICATION TOWER MID SECTION 10' ROHN 45 GALVANIZED ENCLOSURE 4—DEEP CYCLE BATTERIES \�\\�\\�\\/,tiff\ • COMMUNICATION TOWER BASE SECTION 5' ROHN 45 (18" PER FACE 1 1/4" ST 7/16" S CROSS BRACING) NT ELEVATI❑N :✓ i////r/////////////// SKINNER RIDGE 40- 0 /�/ COLORADO CHEVRON VAS INC. REPEATER TOWER >rl OURO NS scat ror mums _aara44Llh� ml. on>Eolt� ' >if�1. TO so DRTI� AG Tower Specifications : RADIAN PwdueLs May 17, 2007 Chevron USA Attention: Don Northrup 57 Patriot Court Evanston, WY. 82930 Radian Communication Services 6718 West Plank Road Peoria, IL61604 Telephone + 1 309 697 4400 Facsimile 4 1 309 697 5612 www.radiancorp.com Reference: Chevron, Garfield County, CO. File Number: 060-3828, 58053EH Radian Number: 0603828 Enclosed, please find the following for your use: Copies Drawing Number Description 4 A070264 Design Drawing Sealed for the State of Colorado 307 783 9388 Email Also: dnbu@chevron.com Sincerely, Scott Burdette C113 `if RADIAN R R• Y PURCHASER: CHEVRON USA NAME OF PRODUCT: Radian Communication Services 6718 West Plank Road Peoria, IL 61604 Telephone + 1 309 697 4400 Facsimile + 1 309 697 5612 www.radiancorp,com CHEVRON, GARFIELD COUNTY, COLORADO 32 FT. MODEL SSV TOWER FILE NUMBER: 060-3828, 58053EH DRAWING NUMBER: A070264 I CERTIFY THAT THE DESIGN OF THE REFERENCED STRUCTURE WAS PREPARED UNDER MY SUPERVISION IN ACCORDANCE WITH THE LOADING AND SOIL CRITERIA SPECIFIED BY THE PURCHASER AND THAT I AM A REGISTERED PROFESSIONAL ENGINEER UNDER THE LAWS OF THE STATE OF COLORADO. THE REFERENCED FOUNDATIONS ARE STANDARD FOUNDATIONS DESIGNED IN ACCORDANCE WITH ANSI/EIA-222-F NORMAL SOIL PARAMETERS. STANDARD FOUNDATIONS SHOULD NOT BE RELIED UPON FOR THE REFERENCED SITE WITHOUT COMPETENT PROFESSIONAL EXAMINATION AND VERIFICATION OF THEIR SUITABILITY BASED ON THE SUBSURFACE CONDITIONS EXISTING AT THE SITE. CERTIFIED BY: DATE: ./17 o:� • . t 32775 C: 1- G. L. I 4 A-BOLTS(12 TOTALIC 5/8' DIA .X 42" LONG ASTAI F1554 65. 105 TOWER DESIGN LOADING DESIGN WIND LOAD PER 2003 INTERNATIONAL BUILDING CODE (IBC) 12409 3- IT I WIND (0.5" RADIA996 IN ACCORDANCE L 1 LOAD)hl� .s, 100 14P1: BASIC WINO STEED (FASTEST MILE1 (0.5" RADIAL ICE LOAD). THIS TOMER IS DESIGNED TO SLPPORT TRE FOLLOWING LOAM. ATIQQN ANTENNA SI E (FT) TYPE (NOM) 33 W STATION + STUD MT + L.RCO 1-1/2 30. 6' 193514 W/ RAD + 2- 4 SO710 -WAY ANT. 14FT. l -E52 28 25 3- [6Mar4I ON 3. 5.A. + 4 GI ANT LE6 510 2' DISH W/ WOW 7-7/9 1-7/B 18 2' DISH W/ RADOME I-7/8 15.5 2' 0151.1 W/ WORE 1-7/9 15 3- 7140 WAY ANT. LEG ARD. 3-7/8 10 6' DISH W/ RAD 1-E)1052 7 4- 2'X4' SOLAR PANELS 1-1/2 4 2- 34TTERY / EQUIP BOXES 2-1/2 SEE STRESS ANALYSIS FOR A COMPLETE LISTING OF ALL LOADS GYM TINIER TOWER REACTIONS' COWRESSlON = 42.8 KIPS TENSION - 39.0 KIPS rOrAL 9E45 = 9.6 KIPS 0. T. M. = 160.4 FT -KIPS SECTION £EMBER SCHEDULE SECTILW 54 s0 LEG BRACE PIFS2. SS711 PIPE7.T,T0 7.1.75X3/16 1101E SECTILN Mllellii ANE Pm AEYE REhCE SLY FOR NOILTAV. PACE WHOM 0114 D61O16, IEFDR 70 STILTS 574LY575. 767Fr DISK AZIWII6 AS POLLOI^$, 160 0E5- 6' DlbNES AT 50. 4 !O• Z. DISH AT 8' 0 MLS- P' DIS9ES AT 15' 4 17• TUBULAR MEMBER PROPERTIES maraER SIZE O.D. 1 THICK. (INt ! (IN) TOWER AXIS O° TOWER CONFIGURATION N. T.5. GENERAL NOTES 1. RADIAN COMMUNICATION TOWER DESIGNS CONFORM TO ANSI/TIA/EIA-222-F UNLESS OTHERWISE SPECIFIED /WIlER TOWER DESIGN LOADING. 2. THE DESIGN LOADING CRITERIA INDICATED HAS BEEN PROVIDED TO RADIAN AND HAS BEEN ASSUMED TO 8E BASED ON SITE-SPECIFIC DATA IN ACCORDANCE WITH ANSI/TIA/EIA-222-F AND MUST BE VERIFIED BY OTHERS PRIOR TO INSTALLATION. 3. ANTENNAS AND LINES LISTED IN TOWER DESIGN LOADING TABLE ARE PROVIDED BY OTHERS UNLESS OTHERWISE SPECIFIED. 4. TOWER MEMBER DESIGN DOES NOT INCLUDE STRESSES DUE TO ERECTION SINE ERECTION EQUIPMENT AND CONDITIONS ARE UNKNOWN. DESIGN ASSUMES COMPETENT ANO QUALIFIED PERSONNEL WILL ERECT THE TOMER. 5. WORK SHALL BE IN ACCORDANCE WITH AN5I/TIA/EIA-222-F. 'STRUCTURAL STANDARDS FOR STEEL ANTENNA TOWERS AND ANTENNA SUPPORTING STRUCTURES 6. THE MINIMUM YIELD STRENGTH 7W STRUCTURAL STEEL MEMBERS SHALL 6E 50 KSI, EXCEPT AS NOTED BELOW. ANGLE BRACES LI.75X3/)6 SHALL BE 36 KSI. STRUCTURAL PLATES SHALL 8E 36 1(5I. 7. FIELD CONNECTIONS SHALL 8E BOLTED. NO FIELD WELDS SHALL BE ALLOWED. 8. STRUCTURAL BOLTS SHALL CONFORM TO ASTM A-325, EXCEPT WHERE NOTED. 9. PAL NUTS SHALL 8E PROVIDED FOR ALL TOWER BOLTS. 10. STRUCTURAL STEEL AND CONFECTION BOLTS SHALL BE HOT -DIPPED GALVANIZED AFTER FABRICATION, IN ACCORDANCE WITH ANSI/TIA/EIA-222-F. II. ALL HIGH STRENGTH BOLTS ARE TO BE TIGHTENED TQ A ^SNUGTIGHT CONDITION AS DEFINED IN THE NOVEMBER 13, 1985, AMSC "SPECIFI- CATION FOR STRUCTURAL JOINTS USING ASTM .4325 OR A490 BOLT5^. NO OTHER MINIMUM BOLT TENSION OR TORQUE VALUES ARE REQUIRED. 12. PLARCHASER SHALL VERIFY THE INSTALLATION I5 IN CONFORMANCE WITH LOCAL, STATE, AND FEDERAL REQUIREMENTS FOR OBSTRUCTION MARKING AND LIGHTING. 13. TOLERANCE ON TOWER STEEL HEIGHT IS EDU.4L TO PLUS I/. OR MINUS 14. DESIGN ASSUMES THAT, AS A MINIMUM, MAINTENANCE AND INSPECTION WILL BE PERFORMED OVER THE LIFE OF /7-E STRUCTURE IN ACCORDANY.E WITH ANSI/TMA/EIA-222-F. 15. DESIGN ASSUMES LEVEL GRADE AT TOWER SITE. 16. NOMINAL FACE WIDTHS ARE TABULATED IN COLUMN r2 OF THE SELF-SUPPORTING TOWER ANALYSIS. THESE WIDTHS ARE NOMINAL, FINAL FACE WIDTHS WILL VARY. 17. FOR FOUNDATION DETAILS, SEE DWG. NO D670532R2 (F6 MAT). PURCHASER SHALL VERIFY THAT ACTUAL SITE SOIL PARAMETERS MtL l DR EXCEED E.I.A. "NORMAL^ SOIL. TOWER 5!!TE_ CCHEVV�//.GAR IELD COUNTY COUN N..• N..4.1.., Ducrlptla.l 77415 DRAWING IS 17E PR PONY 0' RADIAN. IT 15 NOT 7O DE FERROCUDED. COPI4 OR TRACED IN UNCLE OR 18 PMT 517MAIY an YRITTEN CONSENT. • Oat. A Abb. 0y • Ckd WI\Appd By RADIAN Sc.,. AIME By oar. Drawn. £EMI 05/15/07 Chetk.4. ,5-hZ G! A... Ln... M9 .5/ 07 Parent PI1., 32' SSV TOWER DESIGN FOR CHEVRON USA ENG. FILE, 11747 . No.. A 070264 0603828 SOFT 1 OF 1 RFV. FILE NO StsrKIard-SSV REVISIONS KEY DESCRIPTION MN CNK APP MAX LIIQLS A2 TTF61,21,3 PIER AND PAD (TYPE 1) DRILL AND BELL (TYPE 2) DRILLED PM (TYPE 3) MAT (TYPE 4) 3 LINANDIONDRAILINICINNS am PIN88830111 E N ¢n NA FDN. BOOLLTIOR MID AI,J.OW, Lawn ALLOW. SHEAR oars MIN ANO1OR BOLT MIF( PACEgp D A C NHtT. BARS HOR BARS RO'D CONC. C91 YDfi 3 FDra7 MIN PACE D X Y VERT. mks READ cow. MIN FACE� D Y vett BwPs R D. (af.Yas. MAX FACE MAX of W c (cu.Yo6.) a ,a.vLa�axrw .a►Pn►E>,woxuwmaoo RATE 7 MS acx NA T'PES (�') PER LE (OE 6) ROUND SQUARE 3 3 PIERS) D �s (NOTE F1 (4) 5/8 4.5 N/A _ 1' 6 12.8 4' 0 2.4 F2 (4) 5/8 11.2 N/A 2' 10 33.2 5' 6 4.5 F3 (4) 5/8 19.6 N/A 3' 11 61.5 6' 9 6.8 F4 /415/8 28.0 N/A 5' 0 102 8' 0 9.5 . F5 (4) 5/8 36.0 NIA 5' 8 133 B'9 11.3 F6 (4) 7/8 33.7 4.0 5/8X42 6' 6 8' 0 4' 6 2' 0 8 #6 *6 6.3 6.9 .110 7 7 3Q4 11' 6 19.6 61-- 1rF7 F7 (4) 7/8 43.6 6.0 518X42 8'6 8'9 5'6 2'0 8*7 46 8.7 9.4 7'6 11'0 4'6 2'6 10#6 7.8 7'6 16'0. 2'6 1046 9.0 10'O 578 14'3 30-1 F8 (4) 7/8 525 6.0 5/8X42 8'6 8'9 5'6 2'0 847 46 8.7 9.4 76 11'0 4'6 2'6 10#6 7.8 7'6 18'6 2'6 10#6 10.4 11'1 819 16'0 37.9 F9 (4) 7/8 56.0 8.0 5/6X42 8'6 9'0 5'6 2'0 847 46 8.8 9.5 76 11'0 5'0 2'6 10#6 8.7 7'6 19'6 2'6 10#6 10.9 13'0 1210 18'3 49.3 F10 (4) 1 64.9 10.0 3/4X48 8'6 10'0 5'6 2'6 8#8 46 10.8 12.0 T6 12'0 5'0 2'6 1046 9.2 76 21'9 2'6 1046 12.2 14'11 1780 20'9 63.8 F11 (4) 1 85.6 10.0 3/4X48 8' 6 11' 0 5' 6 2' 6 10 48 46 11.3 12.7 8' 0 12' 6 6' 0 2' 6 10 #6 11.8 9' 0 22' 9 3' 0 12 46 18.3 16' 10 2430 23' 0 78.4 F12 (6)1 114.0 15.0 7/8X60 9'6 12'0 6' 3 3'0 1248 46 16.3 18.5 9'0 '14'0 6'6 3'0 10#7 16.7 10'6 25'0 3'6 12 #7 27.3 18'11 3610 26'3 102 F13 (6) 1 129.0 15.0 7/8X6D 10'0 12'6 6'6 3'0 12#8 46 17.3 19.7 9'0 14'0 TO 3'0 1247 18.4 10'6 276 3'6 1217 30.0 DWG REFERENCE F14 (6) 1 152.0 15.0 7/8X60 11' 0 13' 0 7 3 3' 0 12 48 #6 19.9 22.4 9' 3 15' 0 7 3 3' 0 12 48 20.1 12' 0 30' 0 4' 0 12 #8 42.6MA NOPE: MAX O.T-M. T5 OUT MAT LINT AT AHBOT of F15 (8) 1 184.0 20.0 7/8X60 12' 6 13' 9 7 9 3' 6 16 48 *6 25.6 29.2 10' 6 16' 0 8' 0 3' 6 12 *8 27.6 12' 0 38' 0 4' 0 12 48 53.8 T F16 (8) 1 215.0 25.0 1X70 14' 0 14' 0 8' 9 3' 6 16 48 46 29.4 33.1 10' 9 , 16' 0 8' 9 3' 6 16 #8 31.4 13' 6 38' 0 4' 6 16 48 68.0 F17 (8) 1 2410 25.0 1X70 15' 3 14' 0 9' 9 3' 6 16 49 47 33.4 37.1 11' 3 ' 17 0 9' 3 3' 6 16 48 35.4 13' 6 44' 0 4' 6 16 48 78.6 F18 (8) 1 268.0 35.0 1X70 16' 6 14' 0 10' 9 4' 0 2149 47 42.0 96.7 12' 0 17 0 9' 9 4' 0 16 49 42.7 13' 6 49' 0 4' 6 16 #8 87.5 ROUND OR SQUARE VERT BARSFCR ( TT VERsiy:T. 6466 Exacr(i \ WAN.).(_� Cr GENERAL NOTES TO Y ��l Y QUANTOWER TOWER AXIS CL AND CENTER [- �I A705 OF PAD 1. FOR REQUIRED MATERIAL SPECIFICATIONS, PLAN VIEW SECTION A -A SEI -TION A -A � INSTALLATION NOTES AND TOLERANCES SEE DRAINING NUM*FR 8841300. Iii, C 2. ROUGHEN CONSTRUCTION JOINT TO A FULL. CPM } L Ufa AMPLITUDE OF 1/4 INCH. 6 GA_ 6" C' ll 3. CIRCULAR LIES TO B£ PIACEO ON 3 INOI CENTE$(S FOR TOP 4 FEET AND 12 INCH ENTERS FROM 4 FEET * vERr. BMS, OCULAR I. -w-.1 TO BOTTOM, WITH 22 INCH LAPS. CIRCULAR TIES SEE NOTE 3 3 I FR['ALLY S6AC®, LBO' T TIES SEE NOTE 3 VERT. 8AR5 ®LY 64 CIRNLM VOtT. BARSALLY (SQUARE) PLAN VIEW 4. EOR ANCHOR BOLT 512E AND QUANTITY SEE ANCHOR BOLTLAYOUT 1M TTS STI RADIAN 3JEs PEORIA. EL. USA OANYILLE, ox, CANADA tI 800 I21 ROHN r 18661RA01AN O 24 NOR.• OYY I I SP NOTE 3� SPACED CA. OF LEG 5. ANCHOR BIO T SIZE SHOWN 15 REQUIRED *06 WR DEVELOPMENT WITH VERTICAL REINFORCING Ij CENTER A A 6' ANCHOR BOLTS LARGER ANCHOR BOLTS MAY BE REQUIREDNNW BASED ON TOWER REACT -IONS. ry WAY Y -p �� A A G.L - q Q 6. ANCHOR BOLTS OVER 48 1001 LONG REQUIRE POCKETS UNDERNEATH EACH LEG FOR MAT k ��- RFBhRS FOUNDATIONS. CONCRETE VOLUME INDICATED IN TABLE c,,p,,iN- ,.pN.. ,...m., aamw...a,.,. xnmwa -A {SQUARE) IC j DOE$ NOT INCLUDE VOLUME OP POCKETS. SEE TYPICAL SEE NOTE 2 ELEVATION VIEW �.{{111111V ELEVATION VIEW ELEVATION VIEW 006 5, T� & BOTTOM H WAY. 3" CLEAR -11304.T CIRCLE.. MDQ. DEA. + 18" ELEVATION VIEW TYPICAL POCKET"OETAIL POCKET DETAILS FOR MAT FOUNDATION. FOUNDATION FOR SELF SUPPORTING TOWERS PIER AND PAD DRILL AND pal DRILLED PIER {� 6} MAT OWN: MDU CNRD: RN DATE: 066/16/1937 MGR XK ENGR OM DRAWING NIS D870532 REV: 4 FOUNDATION AND ANCHOR TOLERANCES ALL FOUNDATIONS 1. CONCRETE DIMENSIONS - PLUS OR MINUS 1" (25mm). 2. DEPTH OF FOUNDATION - PLUS 3" (76mm) OR MINUS 0". 3. DRILLED FOUNDATIONS OUT OF PLUMB - 1.0 DEGREE. 4. REINFORCING STEEL PLACEMENT - PER A.G.I. 301. 5. PROJECTION OF EMBEDMENTS - PLUS OR MINUS 1/8" (3mm). 6. VERTICAL EMBEDMENTS OUT OF PLUMB - 0.5 DEGREE. ANCHOR BOLTS 7. MAXIMUM DISTANCE FROM CENTERLINE OF ANCHOR BOLTS TO CENTERLINE OF FOUNDATION - 1/24 OF PIER DIAMETER UP TO A MAXIMUM OF 2" (51mm). 8. ANCHOR BOLT SPACING - 1/16" (Zmm). 9- ANCHOR BOLT CIRCLE ORIENTATION - 0.25 DEGREE. 10. ANCHOR BOLT CIRCLE DIAMETER - PLUS OR MINUS 1/16" (2mm). SELF-SUPPORTING TOWERS 11. FACE SPREAD DIMENSION CENTER TO CENTER OF ANCHOR BOLT CIRCLES - PLUS OR MINUS 1116" (2mm) OR 1/16" (2mm) PER 20 FT. (6m) OF FACE SPREAD. 12. MAXIMUM DIFFERENCE BETWEEN ANY TWO FOUNDATION ELEVATIONS - 1/2" (13mm). GUYED TOWERS 13. GUY RADIUS - PLUS OR MINUS 5% OF DISTANCE SPECIFIED. 14. ANCHOR ELEVATION - PLUS OR MINUS 5% OF GUY RADIUS. 15. ANCHOR ALIGNMENT (PERPENDICULAR TO GUY RADIUS) - 1.0 DEGREE. 16. ANCHOR ROD SLOPE - PLUS OR MINUS 1.0 DEGREE. 17. ANCHOR ROD ALIGNMENT WITH GUY RADIUS PLUS OR MINUS 1.0 DEGREE. 18. ANCHOR HEAD OUT OF PLUMB - 1.0 DEGREE. 19. GUY INITIAL TENSION - PLUS OR MINUS 10% OF TENSION SPECIFIED. NOTE: TOLERANCES IN NOTES 13 AND 14 CAN NOT OCCUR SIMULTANEOUSLY WARNING!!! AFTER ANCHOR BOLTS ARE INSTALLED IN CONCRETE HAS TAKEN ITS INITIAL SET, ANCHOR BOLTS MUST NOT BE MOVED, BENT OR REALIGNED IN ANY MANNER. A NUT LOCKING DEVICE MUST BE INSTALLED ON ALL ANCHOR BOLTS. FILE NO. Standard -55V REVISIONS REV. DESCRIPTION OWN CHK ARP REDRNRTOILIO0O Jag DWG REFERENCE Ir RADIAN IMWF www.Mlanrup mm PEORIA, IL, USA • 188O 727 ROHN OAKVILLE. O. CANADA •18866RADGN CaAWWm • PON., •6•668. aWMwrt a•A w" ,66•61 FOUNDATION AND ANCHOR TOLERANCES OWN: (SR CliCD: Kit DATE: SepI?5119R7 ENGIN XX ENR APPD: XX DRAWING NO: A810214 REV: 8 STANDARD FOUNDATION NOTES 1. FOUNDATION DESIGNS ARE IN ACCORDANCE WITH ANSI/TIA/EIA/-2224-, "STRUCTURAL STANDARDS FOR STEEL ANTENNA TOWERS AND ANTENNA SUPPORTING STRUCTURES", SECTION 7, FOR "NORMAL" SOIL CONDITIONS. "NORMAL" SOIL 15 DEFINED AS DRY, COHESIVE SOIL WITH AN ALLOWABLE NET VERTICAL BEARING CAPACITY OF 4000 PSF (1 92 kPa) AND AN ALLOWABLE NET HORIZONTAL PRESSURE OF 400 PSF PER LINEAL FOOT OF DEPTH (62.8 kPa PER LINEAL METER OF DEPTH) TO A MAXIMUM OF 4000 PSF (192 kPa). 2. THE PURCHASER MUST VERIFY THAT ACTUAL SITE SOIL PARAMETERS MEET OR EXCEED E.I.A. 'NORMAL" SOIL PARAMETERS AND THAT THE DEPTH OF STANDARD FOUNDATIONS ARE ADEQUATE BASED ON THE FROST PENETRATION AND/OR ZONE OF SEASONAL MOISTURE VARIATION AT THE SITE. FOUNDATION DESIGN MODIFICA- TIONS MAY BE REQUIRED IN THE EVENT "NORMAL" 5011 PARAMETERS ARE NOT APPLICABLE FOR THE ACTUAL SUBSURFACE CONDITIONS ENCOUNTERED. 3. FOUNDATION DESIGNS ASSUME FIELD INSPECTIONS WILL BE PERFORMED BY THE PURCHASERS REPRESENTATIVE TO VERIFY THAT CONSTRUCTION MATERIALS, INSTALLATION METHODS AND ASSUMED DESIGN PARAMETERS ARE ACCEPTABLE BASED ON THE CONDITIONS EXISTING AT THE SITE. 4. WORK SHALL BY IN ACCORDANCE WITH LOCAL CODES, SAFETY REGULATIONS AND UNLESS OTHERWISE NOTED, THE LATEST REVISION OF AQ 318, "BUILDING CODE REQUIREMENTS FOR REINFORCED CONCRETE". PROCEDURES FOR THE PROTECTION OF EXCAVATIONS, EXISTING CONSTRUCTION AND UTILITIES SHALL BE ESTABLISHED PRIOR TO FOUNDATION INSTALLATION. 5. ANCHOR BOLTS SHALL MEET OF EXCEED THE REQUIREMENTS OF ASTM F1554.52, 55 GRADE 105 AND SHALL BE TIGHTENED TO A 5NUG TIGHT CONDITION (FULL EFFORT OF A MAN USING AN ORDINARY SPUD WRENCH). 6. NUT LOCKING DEVICE SHALL BE INSTALLED ON ALL ANCHOR BOLTS. 7. CONCRETE MATERIALS SHALL CONFORM TO THE APPROPRIATE STATE REQUIREMENTS FOR EXPOSED STRUCTURAL CONCRETE. 8. PROPORTIONS OF CONCRETE MATERIALS SHALL BE SUITABLE FOR THE INSTALLATION METHOD UTILIZED AND SHALL RESULT IN DURABLE CONCRETE FOR RESISTANCE TO LOCAL ANTICIPATED AGGRESSIVE ACTIONS. THE DURABILITY REQUIREMENT OF AQ 31B CHAPTER 4 SHALL BE SATISFIED BASED ON THE CONDITIONS EXPECTED AT THE SITE. AS A MINIMUM, CONCRETE SHALL DEVELOP MINIMUM COMPRESSIVE STRENGTH OF 3000 P51 (20.7 MPa) IN 28 DAYS. 9. MAXIMUM SIZE OF AGGREGATE SHALL NOT EXCEED SIZE SUITABLE FOR INSTALLATION METHOD UTILIZED OR 1/3 CLEAR DISTANCE BEHIND OR BETWEEN REINFORCING. MAXIMUM SIZE MAY BE INCREASED TO 2/3 CLEAR DISTANCE PROVIDED WORKABILITY AND METHODS OF CONSOLIDATION SUCH AS VIBRATING WILL PREVENT HONEYCOMBS OR VOIDS. 10. REINFORCEMENT SHALL. BE DEFORMED AND CONFORM TO THE REQUIREMENTS OF ASTM A635 GRADE 60 UNLESS OTHERWISE NOTED. SPLICES IN REINFORCEMENT SHALL NOT BE ALLOWED UNLESS OTHERWISE INDICATED. 11. REINFORCING CAGES SHALL BE BRACED TO RETAIN PROPER DIMENSIONS DURING HANDLING AND THROUGHOUT PLACEMENT OF CONCRETE. 12. WELDING IS PROHIBITED ON REINFORCING STEEL AND EMBEDMENTS. 13. MINIMUM CONCRETE COVER FOR REINFORCEMENT SHALL BE 3 INCHES (76 mm) UNLESS OTHERWISE NO TED. APPROVED SPACERS SHALL BE USED TO INSURE A 3 INCH (76 mm) MINIMUM COVER ON REINFORCEMENT. 14. 15. CONCRETE COVER FROM TOP OF FOUNDATION TO ENDS OF VERTICAL REINFORCEMENT SHALL NOT EXCEED 3 INCHES (76 mm) NOR BE i FSS THAN 21NCHES (51 mm). SPACERS SHALL BE ATTACHED INTERMITTENTLY THROUGHOUT THE ENTIRE LENGTH OF VERTICAL REINFORCING CAGES TO INSURE CONCENTRIC PLACEMENT OF CAGES IN EXCAVATIONS. 16. FOUNDATION DESIGNS ASSUME STRUCTURAL BACKFILL TO BE COMPACTED IN 8 INCH (200 mm) MAXIMUM LAYERS TO 95% OF MAXIMUM DRY DENSITY AT OPTIMUM MOISTURE CONTENT IN ACCORDANCE WITH ASTM 0698. ADDITIONALLY, STRUCTURAL BACKFILL MUST HAVE A MINIMUM COMPACTED UNIT WEIGHT OF 100 POUNDS PER CUBIC FOOT (16 kN/m3L 17. FOUNDATION DESIGNS ASSUME LEVEL GRADE AT THE SITE 18. FOUNDATION INSTALLATION SHALL BE SUPERVISED BY PERSONNEL KNOWLEDGEABLE AND EXPERIENCED WITH THE PROPOSED FOUNDATION TYPE. CONSTRUCTION SHALL BE IN ACCORDANCE WITH GENERALLY ACCEPTED INSTALLATION PRACTICES. 14, 20. FOR FOUNDATION AND ANCHOR TOLERANCES SEE STRUCTURE ASSEMBLY DRAWING. LOOSE MATERIAL SHALL BE REMOVED FROM BOTTOM OF EXCAVATION PRIOR TO CONCRETE PLACEMENT. SIDES OF EXCAVATION SHALL BE ROUGH AND FREE OF LOOSE CUTTINGS. 21. CONCRETE SHALL BE PLACED IN A MANNER THAT WILL PREVENT SEGREGATION OF CONCRETE MATERIALS AND OTHER OCCURRENCES WHICH MAY DECREASE THE STRENGTH OR DURABILITY OF THE FOUNDATION. 22. FREE FALL CONCRETE MAY BE USED PROVIDED FALL IS VERTICAL DOWN WITHOUT HITTING SIDES OF EXCAVATION, FORMWORK, REINFORCING BARS, FORM TIES, CAGE BRACING OR OTHER OBSTRUCTIONS. UNDER NO CIRCUMSTANCES SHALL CONCRETE FALL THROUGH WATER. 23. CONCRETE SHALL BE PLACED AGAINST UNDISTURBED SOIL EXCEPT FOR PIERS OF PIER AND PAD FOUNDATIONS. FORMS FOR PIERS SHALL BE REMOVED PRIOR TO PLACING STRUCTURAL BACKFILL. 24. CONSTRUCTION JOINTS, IF REQUIRED IN PIER MUST BE AT LEAST 12 INCHES (30S mm) BELOW BOTTOM OF EMBEDMENTS AND MUST BE INTENTIONALLY ROUGHENED TO A FULL AMPLITUDE OF 1/4 INCH (6 mm). FOUNDATION DESIGN ASSUMES TO OTHER CONSTRUCTION JOINTS. 25. TOP OF FOUNDATION OUTSIDE LIMITS OF ANCHOR BOLTS SHALL BE SLOPED TO DRAIN WITH A FLOATED FINISHED. AREA INSIDE LIMITS OF ANCHOR BOLTS SHALL BE LEVEL WITH A SCRATCHED FINISH. 26. EXPOSED EDGES OF CONCRETE SHALL BE CHAMFERED 3/4' X 3/4' (19 mm X 19 mm) MINIMUM. 27. FOR ANCHOR BLOCK TYPE FOUNDATIONS, THE PORTION OF ALL STEEL ANCHORS, FROM TOP OF ANCHOR BLOCK TO GROUND LEVEL, SHALL BE COATED WITH BITUMEN. DESIGN ASSUMES PERIODIC INSPECTIONS WILL BE PERFORMED OVER THE LIFE OF THE STRUCIURE TO DETERMINE IF ADDITIONAL ANCHOR CORROSION PROTECTION MEASURES MUST BE IMPLEMENTED BASED 014 OBSERVED SITE-SPECIFIC CONDITIONS. FILE NO. Standard -SSV REVISIONS REV DESCRIPTION OWN CNK APP 11 NEOMANd ANOGG NEM VINO= 1w DWG REFERENCE RADIAN ,w,w.,,ei."rPracor, PEORIA. L, NSA +l 93O 727 ROME OA ' ILLE. ON, CANADA .1.1 866 4RAOIAN cwrim"• 13.15ration. "bMaux."a.,s ENO. FOUNDATION MATERIAL INSTALLATION NOTES OWN: CHK.O; OATS: CSR HA ) x/1711984 ENC'R: I ENGR AVD' XK ORAwING NO, B841300 REV: 11 DATE -05/16/07 ROHN SELF-SUPPORTING TOWER ANALYSIS FOR Chevron USA TIME -08:37:03 Output is NOT to be reproduced without Rohn's written consent.- FILE NO. 0603828 LEVEL - 5R0.7NT PAGE NO. 1 BY: EEH NOTE -TOWER DESIGN, WIND PRESSURES, AND SHAPE FACTORS CONFORM TO STANDARDS SET BY TIA/EIA-222-F-1996. A BRIEF DESCRIPTION OF THE DESIGN REQUIREMENTS FOLLOWS - 1. 30', (32' ACTUAL HT), SSV STRESS ANALYSIS 2. DESIGN WIND LOAD PER 2003 INTERNATIONAL BUILDING CODE (IBC) 3. USING ANSI/TTA/EIA-222-F-1996 IN ACCORDANCE WITH SECTION 3108.4, 4. 120 MPH 3 -SECOND GUST WIND SPEED (0.5" RADIAL ICE LOAD) AND 5. 100 MPH BASIC WIND SPEED (FASTEST MILE) (0.5" RADIAL ICE LOAD) 6. CUSTOMER: CHEVRON USA 7. TOWER SITE: GARFIELD, CO 8. This data is located@ W:\Engr\W\eeh\58053EH.sav 1 4T TOWER HEIGHT = 30.0 FEET BASE ELEVATION = .0 FEET WIND VELOCITY = 100.00 MPH INPUT PARAMETERS s#FgrY G404.6 tors EXPOSURE - C PROJ. AREA OF lBfiwR, ROUND = .031 SQ.FT/FT FACE = N IMPORTANCE FACTOR = 1.000 PROJ. AREA OF LADDER, FLAT a .000 SQ.FT/FT FACE = N RADIAL ICE - .00 IN. UNIFORM WEIGHT OF LADDER = .001 RIPS/FT Gh = 1.250 ESCALATED WXNDLOADS ARE CALCULATED AT EACH SECTION MID -HEIGHT, WINDLOADS ARE LISTED FROM TOP TO BOTTOM : FROM 30.0 FEET TO 20.0 FEET USE .0320 K8F FROM 20.0 FEET TO .0 FEET USE .0320 KU' ANTENNA WIND EFF. ANT. DEAD LOAD PROJ. AREA OF APPURTENANCES DEAD LOM EFF.PROJ. ASSUMED ELEVATION PRESSURE PROJ.AREA OF ANT. (SQ.FT./FT.) OF APPUR. ARE-A.M.A. TORQUE (FEET) (K/SQ-FT) (SQ.FT.} (KIPS) (KIPS/FT) (SQ.FT-FT) (FT -K) DESCRIPTION OF LOADS ROUNDS FACE FLATS FACE W.STATION + STUB MT + L.R 33.0 , .0320 9.00 .25 / .000 0 .000 0 .000 24.30 .78 6' 01804 W/ RAD 30.0 .0320 37.40 / .60 / .427 1 .326 1 / .006 / 150.00 7 4.80 2- 4 SQ FT TWO-WAY ANT 30.0 .0320 .00 .00 .000 0 .000 0 .000 .00 .00 3- OMNI ON 3' S.A. 28.0 .0320 35.40 . .65 / .651 1 / .000 0 .007 / .00 .00 + 4 YAGI LEG MOUNTED 28.0 .0320 .00 .00 .000 0 .000 0 .000 50.00 / 1.60 2' DISH W/ RAD 25.0 .0320 2.80 / .03 .093 1 / .000 0 .001 -3.30 / -.11 WVG LADDER 20.0 / .0320 .00 .00 /.000 0 .326 2 / .004 / .00 .00 2' DISH W/ RAD 18.0 1 .0320 2.00 / .03 .093 1 / .000 0 .001 -5.00 ,. -.16 2' DISH W/ RAD 15.5 .0320 2.00 / .03 / .093 2 f .000 0 .001 -5.00 7 -.16 3- TWO WAY ANT. LEG MTD. 15.0 1 .0320 20.00 .27 .279 2 ' .000 0 .002 / 35.00 1.12 6' DISH 04/ RAD 10.0 0320 25.40 .30 .188 2.000 0 .001 100.00 3.20 4- 2'x4' SOLAR PANELS 7.0 ( .0320 44.80 .40 .053 2 000 0 .401 45.00 1.44 2- BATTERY / EQUIP BOXES 4.0 .0320 10.00 .40 % 106 2 000 0 .001 20.00 / .64 DATE -05/16/07 ROHN SELF-SUPPORTING TOWER ANALYSIS FOR Chevron USA PAGE NO. 2 TIME -08:37:03 Output is NOT to be reproduced without Rohn's written consent.- FILE NO. 0603828 BY: EEA LEVEL - 5R0.7NT WINDLOAD ON TOWER SECTIONS AND SUMMARY OF WEIGHTS ********** ********** ********** ********** ********** ********** ********** *COLUMN 1* *COLUMN 2* *COLUMN 3* *COLUMN 4* *COLUMN 5* * COLUMN 6 * *COLUMN 7* *COLUMN 8* *COLUMN 9* * TOWER * *WIND ON * *WIND ON * * TOTAL * * WEIGHT * *WT. OF EA.* * TOTAL * *WT./SEC.* * ACCUM. * * * * SECTION* *CONCENT.R. *WIND FOR* *OF HDWE.* *SECTION W/* * ACCUM- * *OF TOWER* * WEIGHT * *SECTION * * 4 UNIF,* *EFF.PR0.7* *EA. TWR,* *FOR EACH* *ICE/HDWE.-* * ULATED * * STEEL * *O$ TOWER* * * APPURT.* * AREAS * * SECTION* * SECTION* *IF PRESENT* *SEC.WT9.* * ONLY * * STEEL * * NUMBER * * (KIPS) * * (KIPS) * *, (KIPS) * * (KIPS) * * (KIPS) * * (KIPS) * * (KIPS) * * (KIPS) * ********** ********** *****k**** ********** ************ ********** ********** ********** 6NB **N 1.031 2.707 3.739 2.66 2.12 2.12 .45 ( .15) .45 6NST **N 2.476 3.334 5.811 1.89 2.70 4.81 .80 ( .29) 1.26 TOTAL INCREASED TOWER WEIGHT, IN ADDITION TO THE STANDARD TOWER SECTIONS = .45 KIPS ***** SECTION STATUS INDICATORS ***** FOR EXAMPLE, 6N8 **N ^^^HORIZONTAL BRACE INDICATOR I1DIAOONAL BRACE INDICATOR 1 LEG INDICATOR INDICATORS ARE: (PERIOD) ---- = MEMBER NOT BEEFED * (ASTERISK) -- = MEMBER BEEFED ! (EXCLAMATION) = NO MEMBER LARGE ENOUGH ? (QUESTION) -- = INCORRECT DATA N - NOT APPLICABLE DATE -05/16/07 ROHN SELF-SUPPORTING TOWER ANALYSIS FOR Chevron USA PAGE NO. 3 TIME -08:37:03 Output is NOT to be reproduced without Rohn'a written consent.- FILE NO. 0603828 BY: EEH LEVEL - 5R0.7NT SHEARS, OVERTURNING MOMENTS AND LEG DATA **************************************** *********** *********** *********** *********** *********** *********** *********** *********** *********** *COLUMN 10* *COLUMN 11* *COLUMN 12* *COLUMN 13* *COLUMN 14* *COLUMN 15* *COLUMN 16* *COLUMN 17* *COLUMN 18* *********** *********** *********** *********** *********** *********** *********** *********** * TOWER * * DIST- * * APPROB. * * TOTAL * * TOTAL * * MAXIMUM * * MAXWAI * * MAXIMUM * * TOWER * * * * ONCE * * CENTER- * * ACCUM. * * OVER- * * TENSION * * COMP. * *ALLOWABLE* * LEG * * SECTION * * BELOW * * CENTER * * SHEAR ON* * TURNING * * FOR ONE * * FOR ONE * * LEG * *DIMENSION* * * * Top * * OF LEGS * * TOWER * * MOMENTS * * LEG * * LEG * *CAPACITY * * * * NUMBER * * (PT,) * * (FT.) * * (KIPS) * *(FT -KIPS)* * (KIPS) * * (KIPS) * * (KIPS) * *(INCHES) * *********** *********** *********** *********** *********** *********** *********** 6NS **N 10.0 4.58 3.74 30.26 6.96 8,42[ .15] 56.91 PIPE2.5STD 6NST **N 30.0 4.58 9.55 160.42 39.02 42.43( .75] 56.91 PIPE2.5STD ««< NOTE »»> THE ALLOWABLE CAPACITIES ON TESS ANALYSIS INCLUDE A 33.3 PERCENT INCREASE. ««< NOTE »»> ( ] SHOWS LOAD/CAPACITY RATIO. REACTIONS FOR FOUNDATION DESIGN ******************************* � COMPRESSION/LEG 71 j, 76 -42-43- KIPS TENSION/LEG 39.02 KIPS SHEAR/LEG 6.37 KIPS TOTAL SHEAR 9.55 KIPS OVERTURNING MOMENT 160.42 FT -KIPS ANCHOR BOLTS REQUIRED r--44INvotrlom A947- DATE -05/16/07 TIME -08:37:03 LEVEL - 5R0.7NT ROHN SELF-SUPPORTING TOWER ANALYSIS FOR Chevron USA PAGE NO. 4 Output is NOT to be reproduced without Rohn's written consent.- FILE NO. 0603828 BY: EEH BRACING LOADS, SIZES AND BOLTS ****************************** *********** *********** *********** *********** *********** ************ *********** *********** *COLUMN 19* *COLUMN 20* *COLUMN 21* *COLUMN 22* *COLUMN 23* *COLUMN 24* *COLUMN 25 * *COLUMN 26* *COLUMN 27* *********** *********** *********** *********** *********** *********** ************ *********** *********** * TOWER * * RORIZ. * * HORIZ. * *REMAINING* *MAX.AXIAL* *AXIAL LD.* *ANGLE/PIPE* * * *NO.& SIZE* * * * COMP. OF* * COMP. * * SHEAR TO* *LOAD FOR.* * COLUMN * */SOLID RD.* * BRACE * * OF BRACE* * SECTION * * SHEAR IN* * OF LEG * * BE TAKEN* * TOWER * *CAPACITY * *BAR/ RRACE* * CONNECT.* * BOLTS * * * * ONE FACE* * LOAD * *BY BRACES* * BRACING * *OF BRACES* * DIMENSION* * CAPACITY* *REQUIRED * * NUMBER * * (KIPS) * * (KIPS) * * (KIPS) * * (KIPS) * * (KIPS) * * (INCHES) * * (KIPS) * *PER CONN.* *********** *********** *********** *********** *********** *********** ************ *********** *********** ENE **N 4.275 .000 4.275 2.849 [ .42] 10.598 L1.75X3/16 aD 6.80 1-5/8 IN. DIA. • .250 IN. CLIP 6NST **N 9.681 .000 9.681 6.452 [ .951 10.598 L1.75X3/16 4D 6.80 1-5/8 IN. DIA. .250 IN. CLIP ««< NOTE »»> THE ALLOWABLE CAPACITIES ON THIS ANALYSIS INCLUDE A 33.3 PERCENT INCREASE. ««< NOTE »»> [ 1 SHOWS MAX.LOAD/CAPACITY RATIO. IF THE SYMBOL --(*)--APPEARS AFTER THE BOLT SIZE, IT INDICATES THAT THREADS MUST BE EXCLUDED FROM SHEAR PLANES. IF THE SYMBOL--(H)--APPEARS ASTER THE LOADS ABOVE, IT INDICATES THAT THE LOADS ARE WOR THE MAIN HORIZONTAL. IF THE SYMBOL --*--APPEARS AFTER THE CLIP SIZE, IT INDICATES THAT THE HORIZONTAL BRACE CONTROLLED THE CLIP AND BOLT SIZE. IF THE SYMBOL --(+)--APPEARS AFTER THE DIAGONAL CAPACITY(COL. 24), IT INDICATES THE HORIZONTAL BRACE CAPACITY CONTROLS THE DIAGONAL BRACE CAPACITY. THE LETTER APPEARING BEWORE THE CONNECTION CAPACITY IN COLUMN 26 INDICATES THE CONTROLLING FACTOR. <B> = BRACE BOLT CONTROLS CONNECTION CAPACITY; <C> = BRACE CLIP CONTROLS; QD = BRACE CONTROLS. DATE -05/16/07 ROAN SELF-SUPPORTING TOWER ANALYSIS FOR Chevron USA TIME -08:37:03 Output is NOT to be reproduced without Rohn's written consent.- FILE NO. 0603828 LEVEL - 5R0.7NT TWIST AND DEFLECTION DATA ************************* *********** *********** *********** *********** *COLUMN 28* *COLUMN 29* *COLUMN 30* *COLUMN 31* *COLUMN 32* *********** *********** *********** *********** *********** * TOWER * * TWIST * * TOTAL * * DEFLEC- * * TOTAL * * * * FOR EACH* * ACCUM- * *TION FOR * * ACCUM- * * SECTION * * TOWER * * ULATED * *EA. TOWER* * ULATED * * * * SECTION * * TWIST * * SECTION * * DEFL. * * NUMBER * *(DEGREES)* *MEGAUS)* *(DEGREES)* *IDEGREES)* *********** *********** *********** *********** *********** 6NB **N .070 .286 .017 .227 6NST **N .216 .216 .211 .211 PAGE NO. 5 BY: EEH DATE -05/16/07 TIME -08:26:01 LEVEL - 5R0,7NT f ROHN SELF-SUPPORTING TOWER ANALYSIS FOR Chevron USA PAGE N0. 1 Output is NOT to be reproduced without Rohn's written consent.- FILE NO. 0603828 BY: EEH NOTE -TOWER DESIGN, WIND PRESSURES, AND SHAPE FACTORS CONFORM TO STANDARDS SET BY TIA/EIA-222-F-1996. O, A BRIEF DESCRIPTION OF THE DESIGN REQUIRE11ENTS FOLLOWS - 1, 30', (32' ACTUAL HT), SSV STRESS ANALYSIS 2. DESIGN WIND LOAD PER 2003 INTERNATIONAL BUILDING CODE (IECy USING ANSI/TIA/EIA-2 3. 120 MPH 3 -SECOND GUST WIND SPEED (0.5" RADIAL ICE LOAD) AND 4. 100 MPH BASIC WIND SPEED (FASTEST MILE) (0.5" RADIAL ICE LOAD) 5, CUSTOMER: CHEVRON USA 6. TOWER SITE: GARFIELD, CO 7. This data is located@ W:\Engr\W\eeh\58053EHIC.s ;k>llil /1/: TOWER HEIGHT - 30.0 FEET BASE ELEVATION = .0 FEET WIND VELOCITY = 100.00 MPH INPUT PARAMETERS **************** EXPOSURE = C PROJ. AREA OF BRIMM5R, ROUND = .122 SQ.FT/FT FACE = N IMPORTANCE FACTOR = 1.000 PROJ. AREA OF LADDER, FLAT n .000 SQ-FT/FT FACE = N RADIAL ICE = .50 IN. UNIFORM WEIGHT OF LADDER = .002 HIPS/FT Gh = 1.250 ESCALATED WINDLOADS ARE CALCULATED AT EACH SECTION MID -HEIGHT, WINDLOADS ARE LISTED FROM TOP TO BOTTOM FROM 30.0 FEET TO 20.0 FEET USE .0240 KSF FROM 20.0 FEET TO .0 FEET USE .0240 ESE »»» »> NOTE ALL WIND PRESSURES HAVE BEEN REDUCED TO 75% OF ORIGINAL PRESSURES «< ««« ANTENNA WIND EFF. ANT. DEAD LOAD PROJ. AREA OF APPURTENANCES DEAD LOAD EFF.PROJ. ASSUMED ELEVATION PRESSURE PROJ.AREA OF ANT. (SQ.FT./FT.) OF APPUR. AREA*M.A. TORQUE (FEET) IK/SQ-FT) (SQ.FT.) (KIPS) (KIPS/FT) (SQ,FT-FT) (FT -K) DESCRIPTION OF LOADS ROUNDS FACE FLATS FACE W.STATION + STUB MT + L.R 33.0 .0240 10.50 / .35 .000 0 .000 0 .000 27,00 ( .65 / 6' DISH W/ RAD 30.0 .0240 44.00 / .85 .624 1 / .445 1 / .014 / 175.00 / 4.20 + 2- 4 SQ FT TWO-WAY ANT, 30.0 .' .0240 .00 .00 .000 0 .000 0 .000 .00 .00 3- OMNI ON 3' S.A. 28.0 .0240 49.80 / 1.00 1.237 1 / .000 0 .011 / 75.00 / 1,80 + 4 VAGI LEG MOUNTED 28.0 / .0240 .00 .00 .000 0 .000 0 .000 .00 ,00 2' DISH W/ RAD 25.0 .0240 2.90 / .05 .177 1 / .000 0 .002 -3.30 -.OB WVG LADDER 20.0 / .0240 .00 .00 .000 0 .445 2 l .008 / .00 .00 2' DISH W/ RAD 18.0 / .0240 2.10 .05 .137 1 ( .000 0 .002 -5.00 -.12 2' DISE W/ RAD 15.5 .0240 2.10 F .05 .177 2/ .000 0 .002 ( -5.00 -.12 3- Two WAY ANT. LEG MTD. 15.0 ( .0240 29.60 / .45 .531 2/ .000 0 .005 / 35.00 / .84 6' DISH W/ RAD 10.0 / .0240 26,00 / .45 .271 2 .000 0 .002 / 110.00 2.64 4- 2'x4' SOLAR PANELS 7.0 / .0240 47.60 / .60 .137 2 I .000 0 .001 ( 47.00 1,13 2- BATTERY / EQUIP BOXES 4.0f .0240 15.00 .50 .274 2 .000 0 .002 30.00 / .72 ( DATE -05/16/07 ROHN SELF-SUPPORTING TOWER ANALYSIS FOR Chevron USA PAGE NO. 2 TIME -08:26:01 Output is NOT to be reproduced without Rohn's written consent.- FILE NO. 0603828 BY: EEH LEVEL - 5R0.7NT WINDLOAD ON TOWER SECTIONS AND SUMMARY OF WEIGHTS ************************************************* ********** ********** ********** ********** ********** ************ ********** ********** ********** *COLUMN 1* *COLUNM 2* *COLUMN 3* *COLUMN 4* *COLUMN 5* * COLUMN 6 * *COLUMN 7* *COLUMN 8* *COLUMN 9* * TOWER * *WIND ON * *WIND ON * * TOTAL * * WEIGHT * *WT. OF EA.* * TOTAL * *WT./SEC,* * ACCTJM. * * * * SECTION* *CONCENTR. *WIND FOR* *OF HDWE.* *SECTION W/* * ACCUM- * *OF TOWER* * WEIGHT * *SECTION * * & UNIF.* *EFF.PROJ* *EA. TWR.* *FOR EACH* *ICE/BDWE.-* * ULATED * * STEEL * *OF TOWER* * * * APPURT.* * AREAS * * SECTION* * SECTION* *IF PRESENT* *SEC.WTS.* * ONLY * * STEEL * * NUMBER * * (KIPS) * * (KIPS) * * (KIPS) * * (KIPS) * * (KIPS) * * (KIPS) * * (KIPS) * * (KIPS) * ********** ********** ********** ********** ************ ********** 6NB-1 **N 1.123 6NST-1 **N 2.658 2.573 3.696 2.51 3.19 3.19 .45 ( .15) .45 2.938 5.595 3.02 4.19 7.38 .80 ( .29) 1.26 TOTAL INCREASED TOWER WEIGHT, IN ADDITION TO THE STANDARD TOWER SECTIONS = .45 KIPS SECTION STATUS INDICATORS FOR EXAMPLE, 6NB-1 **N INDICATORS ARE: . (PERIOD) ---- = MEMBER NOT BEEFED ""HORIZONTAL BRACE INDICATOR * (ASTERISK} -- a MEMBER BEEFED HDIAGONAL BRACE INDICATOR ! (EXCLAMATION) = NO MEMBER LARGE ENOUGH LEG INDICATOR ? (QUESTION) -- m INCORRECT DATA N n NOT APPLICABLE , DATE -05/16/07 TIME -08:26:01 LEVEL - 5R0.7NT ROHN SELF-SUPPORTING TOWER ANALYSIS FOR Chevron USA PAGE NO. 3 Output is NOT to be reproduced without Rohn's written consent.- FILE NO. 0603828 BY: EER SHEARS, OVERTURNING MOMENTS AND LEG DATA **************************************** *********** *********** *********** *********** *********** *********** *COLUMN 10* *COLUMN 11* *COLUMN 12* *COLUMN 13* *COLUMN 14* *COLUMN 15* *********** *********** *********** *********** *********** *********** * TOWER * * DIST- * * APPROX. * * TOTAL * * TOTAL * * MAXIMUM * * * * ANCE * * CENTER- * * ACCUM. * * OVER- * * TENSION * * SECTION * * BELOW * * CENTER * * SHEAR ON* * TURNING * * FOR ONE * * * * TOP * * OF LEGS * * TOWER * * MOMENTS * * LEG * * NUMBER * * (FT.) * * [FT.) * * (KIPS) * *(FT -KIPS)* * (KIPS) * *********** *********** *********** *********** *********** *********** 6NB-1 **N 10.0 4.58 3.70 29.19 6.3E 6NST-1 **N 30.0 4.58 9.29 156.89 37.47 *********** *COLUMN 16* * MAX * * COMP. * * FOR ONE * * LEG * * (KIPS) * *********** *********** *COLUMN 17* * MAXIMUM * *ALLOWABLE* * LEG * *CAPACITY * * (KIPS) * *********** 8.59[ .15] 56.91 42.78( .75] 56.91 «<C< NOTE »»> THE ALLOWABLE CAPACITIES ON THIS ANALYSIS INCLUDE A 33.3 PERCENT INCREASE. * C«< NOTE »»> [ ] SHOWS LOAD/CAPACITY RATIO. REACTIONS FOR FOUNDATION DESIGN ******************************* COMPRESSION/LEG 42.78 KIPS TENSION/LEG . 1.(re.37- 47 RIPS SHEAR/LEG 477 6-ai9 KIPS TOTAL SHEAR .41s .L.2.8 KIPS OVERTURNING MOMENTFT-KIPS . / rj. 6.,,8.9 *********** *COLUMN 18* *********** * TOWER * * LEG * *DIMENSION* * * *(INCHES) * *********** PIPE2.5STD PIPE2.5STD ANCHOR BOLTS REQUIRED J 2- 5.4! f%`• X r ry 6(5.• DATE -05/16/07 ROHN SELF-SUPPORTING TOWER ANALYSIS FOR Chevron USA PAGE NO, 4 TIME -08:26:01 Output is NOT to be reproduced without Rohn's written consent.- FILE NO. 0603828 BY: ZEN LEVEL - 5R0.7NT BRACING LOADS, SIZES AND BOLTS ****************************** *********** *********** *********** *********** *********** * * * * * * * * * * * *COLUMN 19* *COLUMN 20* *COLUMN 21* *COLUMN 22* *COLUMN 23* *COLUMN 24* *COLUMN 25 * *COLUMN 26* *COLUMN 27* *********** *********** *********** *********** *********** *********** ************ *********** * TOWER * * HORIZ, * * HORIZ. * *REMAINING* *MAX.AXIAL* *AXIAL LD.* *ANGLE/PIPE* * * *N0.4 SIZE* * * * COMP. OF* * COMP. * * SHEAR TO* *LOAD FOR * * COLUIYN7 * */SOLID RD.* * BRACE * * OF BRACE* * SECTION * * SHEAR IN* * OF LEG * * BE TAKEN* * TOWER * *CAPACITY * *BAR/ BRACE* * CONNECT.* * BOLTS * * * * ONE FACE* * LOAD * *BY BRACES* * BRACING * *OF BRACES* * DIMENSION* * CAPACITY* *REQUIRED * * NUMBER * * (KIPS) * * (KIPS) * * (KIPS) * * (KIPS) * * (KIPS] * * (INCHES) * * (KIPS) * *PER CONN.* *********** *********** *********** *********** *********** *********** ************ *********** *********** 6NB-1 **N 4.120 .000 4.120 2.746 [ .40] 10.598 L1.75X3/16 <M> 6.80 1-5/8 IN. DIA. / .250 IN. CLIP 6NST-1 **N 9.132 .000 9.132 6.086 [ .90] 10.598 L1.75X3/16 <IA> 6.80 1-5/8 IN. DIA. .250 IN. CLIP ««< NOTE »»> THE ALLOWABLE CAPACITIES ON THIS ANALYSIS INCLUDE A 33.3 PERCENT INCREASE. ««< NOTE »»> [ ] SHOWS MAX.LOAD/CAPACITY RATIO. IF THE SYMBOL- -(*)--APPEARS AFTER THE HOLT SIZE, IT INDICATES THAT THREADS MUST BE EXCLUDED FROM SHEAR PLANES. IF THE SYMBOL--(H)--APPEARS AFTER THE LOADS ABOVE, IT INDICATES THAT THE LOADS ARE FOR THE MAIN HORIZONTAL. IF THE SYMBOL- -*- -APPEARS AFTER THE CLIP SIZE, IT INDICATES THAT THE HORIZONTAL BRACE CONTROLLED THE CLIP AND BOLT SIZE. IF THE SYMBOL --(+)--APPEARS AFTER THE DIAGONAL CAPACITY(COL. 24), IT INDICATES THE HORIZONTAL BRACE CAPACITY CONTROLS THE DIAGONAL BRACE CAPACITY. THE LETTER APPEARING BEFORE THE CONNECTION CAPACITY IN COLUMN 26 INDICATES THE CONTROLLING FACTOR. <3> = BRACE BOLT CONTROLS CONNECTION CAPACITY; <C> = BRACE CLIP CONTROLS; <> = BRACE CONTROLS. DATE -05/16/07 TIME -08:26:01 LEVEL - 5R0.7NT ROEN SELF-SUPPORTING TOWER ANALYSIS FOR Chevron USA PAGE NO. 5 Output is NOT to be reproduced without Rohn's written consent.- FILE NO. 0603828 BY: EEH *********** *COLUMN 28* *********** * TOWER * * * * SECTION * * * * NUMBER * *********** 6NB-1 **N 6NST-I **N TWIST AND DEFLECTION DATA ************************* *********** *********** *********** *COLUMN 29* *COLUMN 30* *COLUMN 31* *********** *********** *********** * TWIST * * FOR EACH* * TOWER * * SECTION * * (DEGREES)* *********** * TOTAL * * ACCUM- * * ULATED * * TWIST * *(DEGREES)* *********** * DEFLEC- * *TION FOR * *EA. TOWER* * SECTION * *(DEGREES)* *********** .065 .257 .016 .7.92 .192 .206 *********** *COLUMN 32* *********** * TOTAL * * ACCUM- * * ULATED * * DEFL. * *(DEGREES)* *********** .222 .206 Chevron — Tom Creek Integrated Vegetation and Noxious Weed Management Plan Garfield County, Colorado Looking north along Tom Creek drainage Prepared for: Chevron North America Exploration and Production Company Prepared by: WestWater Engineering 2516 Foresight Circle #1 Grand Junction, CO 81505 April 2008 1.0 INTRODUCTION 1.1 Project Description Chevron North America Exploration and Production Company (Chevron) is planning a series of projects in the Clear Creek / Tom Creek drainages in Garfield County, approximately 17 miles northwest of Parachute, Colorado. These projects include existing and proposed well pads, a central production facility site, fresh water and produced water ponds, and pipeline alignments. The project area referred to in this report is approximately 400 acres in size (Figure 1). 2.0 LANDSCAPE SETTING 2.1 Terrain and Vegetation Communities The terrain ranges from very steep mountain side -slopes to gently sloping valley bottoms (Appendix C. Photos 2 and 3). Elevations in the project area range from 6,850 feet in the Tom Creek drainage to 5,950 feet in the Clear Creek bottom land. The predominant vegetation community in the northem Tom Creek drainage bottom is mountain boxelder (Acer negundo), scattered Douglas -fir (Pseudotsuga menziesii), redosier dogwood (Cornus sericea), mountain big sagebrush (Artemisia tridentata Nutt. ssp. vaseyana), and oakbrush (Quercus gambelii). The mountain side -slope vegetation includes mountain big sage, Wyoming big sagebrush (Artemisia tridentata Nutt. ssp. wyomingensis), Utah serviceberry (Amelanchier utahensis), oakbrush, and Indian ricegrass (Achnatherum hymenoides). The mountain side -slopes also contain barren areas of steep shale talus, which supports small populations of sun -loving meadowrue (Thalictrum heliophilum). Vegetation in the Potts Creek drainage and the Tom Creek drainage south of the Potts Creek confluence are similar. Mountain boxelder and narrowleaf cottonwood (Populus angustifolia) are common trees. Shrubs are dominated by basin big sagebrush (Artemisia tridentata Nutt. ssp. tridentata) and Wyoming big sagebrush, although some mountain big sagebrush is also found. Vegetation on the steep side -slopes is mountain big sagebrush, oakbrush, Utah serviceberry, and often thick Indian ricegrass. The mountain side -slopes also contain barren areas of steep shale talus, which support small populations of sun -loving meadowrue and Roan Cliffs blazingstar (Mentzelia rhizomata). Along Clear Creek the dominant trees are boxelder, New Mexico locust (Robinia neomexicana) and narrow leaf cottonwood. Basin big sagebrush is the predominant shrub along with various (often weedy) forbs and grasses. The vegetation on the east -facing side -slope of Clear Creek drainage consists of very thick Utah serviceberry, scattered oakbrush, and abundant creeping barberry (Mahonia repens). Vegetation on the drier west -facing slope includes Utah juniper (Juniperus osteosperma), shadscale saltbush (Atriplex confertifolia), Osterhout's penstemon (Penstemon osterhoutii), rubber rabbitbrush (Ericameria nauseosa), basin big sagebrush and Indian ricegrass. 2.2 Soil Types The Chevron Clear Creek / Tom Creek Weed Survey project area includes just three main types of soil. The northerly portion of the project area includes part of the Tom Creek drainage and the WestWater Engineering Page 1 of 14 4/21/2008 Legend a Weed Patches Infested Areas TARA 1=1 VETH, CYCF VETH. CYOF. BRTE I -I VETH. CYOF CANU Weed Survey Area ALM Figure 1: Chevron Clear Creek Tom Creek IVNWMP Westwater Engineering March 2008 0.t Miles 0.2 0.4 lower end of the Potts Creek drainage in Sections 24 and 25, T.5 S., R.98 W. This portion of the survey area lies entirely on Grobutte very channery loam, 30-60% slopes. The Grobutte soil formed on mountain sides and hills from mixed colluvium parent material. Characteristic native vegetation is Wyoming big sagebrush, bluebunch wheatgrass (Pseudoroegneria spicata), needle and thread grass (Hesperostipa comata), and Indian ricegrass. South of Section 25, the Tom Creek drainage broadens and the terrain becomes less steep along the creek. The soil here consists of Happle very channery sandy loam, 12-25% slopes. The Happle soil formed on toeslopes and alluvial fans from Green River formation alluvium or colluvium. Characteristic native vegetation on the Happle soil is Wyoming big sagebrush, bluebunch wheatgrass, needle and thread grass, and Indian ricegrass. The steeper areas on either side of Tom Creek are on Grobutte soil as described above. The southern portion of the project area includes short stretches of Clear Creek drainage both above and below the confluence with Tom Creek. The very steep areas lie on Grobutte soil. Gentler slopes near Clear Creek consist of the Happle soil. The almost level flood plain of Clear Creek lies on Cumulic Haploboroll, 1-3% slopes. The Cumulic Haploboroll formed from Wasatch shale or Green River shale alluvium and has a thickened surface horizon from material added during seasonal flooding. Vegetation observed on the Cumulic Haploboroll soil is primarily mountain boxelder and introduced and naturalized New Mexico locust. The New Mexico locust has crowded out most native shrubs one would expect such as skunkbush sumac (Rhus trilobata) and willows (Salix spp.), see Appendix C, Photo 4. 3.0 NOXIOUS WEEDS Noxious weeds are plants that are not native to an area. Most have come from Europe or Asia, either accidentally or as ornamentals that have escaped. Once established in a new environment they tend to spread quickly since insects, diseases and animals that normally control them are absent. Noxious weeds are spread by man, animals, water, and wind. Prime locations for the establishment of noxious weeds include roadsides, sites cleared for construction, areas that are overused by animals or humans, wetlands, and riparian corridors. Subsequent to soil disturbances, vegetation communities can be susceptible to infestations of invasive or exotic weed species. Vegetation removal and soil disturbance during construction can create optimal conditions for the establishment of invasive, non-native species. Construction equipment traveling from weed -infested areas into weed -free areas could disperse noxious or invasive weed seeds and propagates, resulting in the establishment of these weeds in previously weed -free areas (Photo 1). The Colorado Noxious Weed Act (State of Colorado 2005) requires local governing bodies to develop noxious weed management plans. Both the State of Colorado and Garfield County (Garfield County Vegetation Management and Garfield County Weed Advisory Board 2002)maintain a list of plants that are considered to be noxious weeds. The State of Colorado noxious weed list includes three categories. List A species must be eradicated whenever detected (none were found). List B species include weeds whose spread should be halted (4 species found). List C species are widespread, but the State will assist local jurisdictions which choose to manage those weeds (2 species found). WestWater Engineering Page 3 of 14 4/21/2008 Photo 1. Potential weed vector — accumulated soil on equipment The Garfield County Weed Advisory Board has compiled a list of 21 plants from the State list considered to be noxious weeds within the county (see Appendix A). Three of those weed species were found in, or near, the project area. The Garfield County Weed Advisory Board has duties to: 1) develop a noxious weed list; 2) develop a weed management plan for designated noxious weeds; and 3) recommend to the Board of County Commissioners (BOCC) that identified landowners submit an integrated weed management plan for their properties. 3.1 Survey Methods Mapped soil types, as published by the Natural Resources Conservation Service (NRCS), U.S. Department of Agriculture (USDA), were reviewed to determine the soil types and vegetation characteristics of the plant site and surrounding property (NRCS 2008). A field inspection of the project area was conducted by WestWater Engineering (WWE) biologists on April 1, 3, 11, and 15, 2008. WWE biologists surveyed the area to identify vegetation communities and to search for, identify, and map noxious weed species. Vegetation types were determined through field identification of plants, aerial photography, and on -the -ground assessments of plant abundance visible during the survey. Identification of plant species was aided by using pertinent published field guides (Whitson et al. 2001, CWMA 2007, Kershaw et al. 1998, Weber 2001). Photographs were taken of the general project location, vegetation, terrain, and other specific biological findings and can be found in Appendix C. Locations of weeds and other features included in this report were recorded with the aid of a handheld global positioning system instrument (GPS) using NAD83/WGS84 map datum, with all coordinate locations based on the Universal Transverse Mercator (UTM) coordinate system in Zone 12S. WcstWater Engineering Page 4 of 14 4/2I/2008 3.2 Observations The most prevalent listed weeds were common mullein, musk thistle, houndstongue, and downy brome. A problematic (but not listed) weed found in the project area was purple mustard (Chorispora tenella). It was found primarily in disturbed areas and abandoned fields. See Table 1 for the general location of listed weeds. Specific UTM coordinates of weeds can be found in Appendix B. Table 1. Observed Noxious Weed Locations in the Project Area Common Name* Scientific Name USDA Symbol General Location and Comments Bull Thistle' Cirsium vulgare CIVU Very thinly scattered in the Tom Creek drainage bottom. Common Mullein' Verbascum thapsus VETH _ Very common from dry hillsides to valley bottoms. Scattered thinly on dry mountainsides and occasionally found in thick infestations, especially along riparian areas. See Appendix C, Photo 5. Downy Brome Bromus tectorum BRTE Also known as cheatgrass. Can be found throughout much of the project area. Scattered very thinly on steeper mountain side -slopes. Some bottomland in Clear Creek and near the mouth of Tom Creek has denser infestations. HoundstongueB Cynoglossum officinale CYOF Thinly scattered on dry hillsides but can be found in consistently higher concentrations in drainage bottoms. See Appendix C, Photo 6. Musk Thistle' Carduus nutansScattered CANU among common mullein in lower Tom Creek and in Clear Creek drainages. A few isolated small clusters were found in drier sites. TamariskB Tamarix sp. TARA Also called Salt Cedar. Common along Clear Creek. * Government weed listing: Bold - Garfield County, Colorado. Superscript - Colorado State B or C list. 3.3 Treatment and Control of Noxious Weed Infestations Invasive and noxious weeds commonly occur along ditches, creek corridors and adjacent drainages, especially along riparian areas, pipeline routes, disturbed areas such as well pads, and roadsides, and abandoned fields. Areas near Clear Creek and Tom Creek were frequently noted to have infestations of common mullein and houndstongue. Three weed species from the Garfield County list were found in the project area and are indicated by bold type in Table 2. Included in Table 2 are weed life cycle type, state listing category, and recommended control methods for each weed species. Those in regular type were also observed during the survey and are listed by the State of Colorado as noted (CWMA 2007). The locations of these weeds were plotted on the project map (Figure 1). Except for a dense infestation on the east side of Clear Creek, south of the confluence of Tom Creek, downy brome was not plotted as it is very widespread throughout the area. WestWater Engineering Page 5 of 14 4/21/2008 Table 2. Weed Control Methods Common Name* Scientific Name USDA Symbol Type** Control Methods Bull Thistle' Cirsium vulgar' CIVU B/A Tilling or, because of the small number of plants, hand grubbing in the rosette stage. Mow at bolting or early flowering; Cut and bag mature seed heads. Herbicides in rosette stage. Common Mullein' Verbascum thapsus VETH 13 Cut and dig rosettes and bolting plants prior to seed set; re -seed with aggressive grasses. Herbicides may be necessary on dense infestations. Downy Brome" Bromus tectorum BRTE A Eliminate seed source; re -vegetate with native grasses; herbicide treatment in early spring and fall. Avoid overgrazing. Houndstongueg Cynoglossum officinale CYOF 13 Re -seed with aggressive grasses, remove at flowering or early seed; dig or grub at pre -bud or rosette stage or apply herbicides prior to bud stage. Musk Thistle' Carduus nutans CANU 13 Tillage or hand grubbing in the rosette stage, mowing at bolting or early flowering; seed head & rosette weevils, leaf feeding beetles, herbicides in rosette stage. TamariskB Tamarix sp. TARA P Repeated flooding prevents seedling establishment. Herbicide treatment on basal portion of young plants; cut larger plants and treat with herbicide plus adjuvant within 30 minutes. Plant area with native species to shade out tamarisk. Biological with Diorhabda elongata deserticola, the tamarisk leaf beetle, if available (Tamarisk Coalition 2007). * Government weed listing: Bold — Garfield County, Colorado. Superscript - Colorado Slate B or C list. ** Type: A -annual, B -Biennial, P -Perennial 3.4 Recommended Treatment Strategies It is important to know whether the target is annual, biennial, or perennial to select strategies that effectively control and eliminate the target. Treatment strategies are different depending on plant type, which are summarized in Tables 3 and 4. Herbicides should not always be the first treatment of choice when other methods can be effectively employed. Table 3. Treatment Strategies for Annual and Biennial Noxious Weeds Target: Prevent Seed Production 1. Hand grub (pull), hoe, till, cultivate in rosette stage and before flowering or seed maturity. If seeds develop, cut and bag seed heads. 2. Cut roots with a spade just below soil Ievel. 3. Treat with herbicide in rosette or bolting stage, before flowering. 4. Mow biennials after bolting stage, before seed set. Mowing annuals will not prevent flowering but can reduce total seed production. (Sirota 2004) WestWater Engineering Page 6 of 14 4/21/2008 Table 4. Treatment Strategies for Perennials Target: Deplete nutrient reserves in root system, prevent seed production 1. Allow plants to expend as much energy from root system as possible, do not treat when first emerging in spring, but allow growth to bud/bloom stage. If seeds develop, cut and bag if possible. 2. Herbicide treatment at bud to bloom stage or in the fall (recommended, after August 15 when natural precipitation is present). In the fall, plants draw nutrients into the roots for winter storage. Herbicides will be drawn down to the roots more efficiently at this time due to translocation of nutrients to roots rather than leaves. If the weed patch has been present for a long period of time, another season of seed production is not as important as getting the herbicide into the root system. Spraying in fall (after middle August) will kill the following year's shoots, which are being formed on the roots at this time. 3. Mowing usually is not recommended because the plants will flower anyway; seed production should be reduced. Many studies have shown that mowing perennials and spraying the re -growth is not as effective as spraying without mowing. Effect of mowing is species dependent; therefore, it is imperative to know the species and its basic biology. Timing of application must be done when biologically appropriate, which is not necessarily convenient. 4. Tillage may or may not be effective. Most perennial roots can sprout from pieces only '/2" — 1" long. Clean machinery thoroughly before leaving the weed patch. 5. Hand pulling is generally not recommended for perennial species unless you know the plants are seedlings and not established plants. Hand pulling can be effective on small patches but is very labor intensive because it must be done repeatedly. (Sirota 2004) Herbicide treatment with two or more herbicide modes of action in fall (after approximately August 15 when natural precipitation is present) is the best method to control difficult species. Some weeds, particularly annuals and biennials, can develop resistance to herbicides. The ability to quickly develop immunity to herbicides, especially they are used incorrectly, makes it imperative to use the proper chemicals at the correct time in the specified concentration. Most misuse seems centered around excessive use either in frequency or concentration. This results in mostly top kill and an immune phenotype. 3.5 Life Cycle and Management Calendars Best results in the control of tamarisk, houndstongue, bull and milk thistles can be achieved by following the recommended timetable presented in Table 5. Table 5. Noxious Weed Biology Species Type' ;Jan ;Feb ;March April ;May !June !July !Aug Sept ':,Oct Houndstongue B !rosettes [.3 prebttd ;:;flowering, seed set !germination !-3 -> !Thistle, Bull - l st year Thistle, Bull - ,B 2nd year Thistle, Musk `B 1st year Thistle, Musk B 2 year ,Tamarisk* germination :!--> :rosettes [4 14 dormattc es ting !flowering !se d germination .se40,s :flowering !:setSeed ;growth :3 ;rosettes i- - 14 !flowering, :Semi dormancy ;seed set I '1: A = annual; B = biennial; P = perennial Shaded areas indicate best control timing. * Tamarisk control can be done any time of the year, but is easier when leaves are absent and weather is cooler. (Sirota 2004) WestWater Engineering 'Nov Dec 4_ 4 Page 7 of 14 4/21/2008 Figure 2 is an alternative schedule for life cycle and control of biennial thistles such as bull thistle and musk thistle. It is also appropriate to control common mullein. One column that should be added is cutting of rosettes, which can be done any time during growing. Figure 2. Life Cycle and Management strategies for biennial thistles Herbicide Herb Mowing Application Appl. Ernes`f►ste 4 Palette Spring Surr/nor wz/N1 red* .,.+r — Bohr fk70,ws Dh$9 Fall rier Spring Surr►rriK Year 1 Year 2 (Hartzler 2006) 3.6 Commercial Applicator Recommendations A certified commercial applicator is a good choice for herbicide control efforts. Regulations may require a Colorado licensed applicator. An applicator has the full range of knowledge, skills, equipment and experience desired when dealing with tough noxious weeds. Reclamation farming services using multiple seed bin range drills and specialized related equipment is available and should be used for reclamation seeding projects. Common chemical and trade names may be used in this report. The use of trade names is for clarity by the reader. Inclusion of a trade name does not imply endorsement of that particular brand of herbicide and exclusion does not imply non -approval. Certified commercial applicators will decide which herbicide to use and at what concentration according to label directions. Landowners using unrestricted products must obey all label warnings, cautions, and application concentrations. The author of this report is not responsible for inappropriate herbicide use by readers. 3.7 Best Management Practices — Noxious Weeds The following practices should be adopted for any construction project to reduce the costs of noxious weed control. The practices include: WestWater Engineering Page 8 of 14 4/21/2008 • top soil, where present, should be segregated from deeper soils and replaced as top soil on the final grade, a process known as live topsoil handling; • wetland vegetation, if encountered, should be live handled like sod, temporarily watered if necessary, and placed over excavated sub -soil relative to the position from which the wetland sod was removed; • cut-off collars should be placed on all wetland and stream crossings to prevent back washing or draining of important aquatic resources; • in all cases, temporary disturbance should be kept to an absolute minimum; • equipment and materials handling should be done on established sites such as the northern point of origin to reduce area and extent of soil compaction; • disturbances should be immediately re -seeded with the recommended mix in the re - vegetation section; • topsoil stockpiles should be seeded with non-invasive sterile hybrid grasses, if stored longer than one growing season; • prior to delivery to the site, equipment should be cleaned of soils remaining from previous construction sites which may be contaminated with noxious weeds; and • if working in sites with weed -seed contaminated soil, equipment should be cleaned of potentially seed -bearing soils and vegetative debris prior to moving to uncontaminated terrain. In areas with slope greater than 3%, imprinting of the seed bed is recommended. Imprinting can be in the form of dozer tracks or furrows perpendicular to the direction of slope. When utilizing hydro -seeding followed by mulching, imprinting should be done prior to seeding unless the mulch is to be crimped into the soil surface. If broadcast seeding and harrowing, imprinting should be done as part of the harrowing. Furrowing can be done by several methods, the most simple of which is to drill seed perpendicular to the direction of slope in a prepared bed. Other simple imprinting methods include deep hand raking and harrowing, always perpendicular to the direction of slope. Herbicides: Difficult species respond better to an application of a combination of two or more chemical modes of action (biological reason for plant death) rather than one (Boerboom 1999). It has also been found that use of two different groups of chemicals in the same mode of action can increase effectiveness on difficult species, e.g., phenoxys and benzoic acids or carboxylic acids and benzoic acids in a mix. Some come commercially pre -mixed, e.g., Crossbow and Super Weed -be -Gone Max, which are available over the counter. However, some of the most effective herbicides are restricted use and available only for licensed applicators. Professionals or landowners using herbicides must use the concentration specified on the label of the container in hand. Herbicides generally do not work better at higher concentrations. Most herbicide failures observed by WWE are related to incomplete control caused by high concentrations killing top growth before the active ingredient can be transported to the roots through the nutrient translocation process. Most herbicide applications should use a surfactant if directed on the herbicide label or other adjuvants as called for on the herbicide label. WestWater Engineering Page 9 of 14 4/21/2008 Grazing: Grazing should be deferred, in reclaimed areas, until the desired grass species are established. Mechanical: Bull thistle was found in low density and is an example where control could be accomplished mechanically. Effectiveness can be increased by severing the root just below the crown of noxious weeds instead of at greater depths. Alternative Methods: An alternative method, particularly for downy brome infestations and poor or destroyed topsoil, is the application of vesicular-arbuscular mycorrhizal fungi typically referred to as AMF. These fungi, mostly of the genus Glomus are symbiotic with about 80% of all vegetation. Endo-mycorrhizal fungi are associated mostly with grasses and forbs and could be helpful when reclaiming this project. In symbiosis, the fungi increase water and nutrient transfer capacity of the host root system by as much as several orders of magnitude (Barrow and McCaslin 1995). Over-the-counter commercial products, which are better adapted to coating seeds when re- seeding and treating roots of live seedling trees and shrubs at time of planting, come in powder form and are available from many different sources. Some also come in granular form to be spread with seed from a broadcast spreader. The best AMF products should contain more than one species. All Colorado State Forest Salida District tree and shrub plantings include the application of AMF. According to District Forester Crystal Tischler, "AMF is worth it" (Tischler 2006). Most, if not all, Colorado Department of Transportation re-vegetation/re-seeding projects now require use of AMF and BioSol, a certified by-product of the penicillin manufacturing process composed primarily of mycelium. Compacted soils respond well to fossilized humic substances and by- products called humates. These humates, including humic and fulvic acids and humin were formed from pre -historic plant and animal deposits and work especially well on compacted soils when applied as directed. Biological control of widespread infestations, in the project area, using natural insect agents are available for tamarisk (see Table 2) and musk thistle. This later weed may be controlled by the musk and plumeless thistle rosette weevil, Trichosirocalus horridus, and the thistle defoliating beetle, Cassida rubiginosa, which feeds on the foliage of Canada, musk, and plumeless thistles (Sullivan 2004). 4.0 REVEGETATION — RECLAMATION 4.1 Project Area The project area includes a variety of terrain including steep mountain side -slopes, rolling hillsides, and gently sloping bottomland. Successful reclamation of the project area is dependent upon soil type and texture, aspect, slope, proper weed control and re -vegetation with suitable plant species. Based on the soil types, terrain, and the presence of noxious weeds in the project area, successful reclamation is most likely if a seed mix of grasses is used (Tables 6 and 7). This will allow control of noxious weeds while establishing vegetation in the disturbed areas. Two seed mixes WestWater Engineering Page 10 of 14 4/21/2008 Table 6. Seed Mix for Pinyon -Juniper Woodland and/or Mountain/Wyoming Big Sagebrush Shrubland. Project area mountain toeslopes, alluvial fans, and drainage bottoms Common Name Scientific Names Variety Season Form PLS Ibslacre* Plant the Following (10% Total) Indian Ricegrass Achnatherum [Oryzopsis] hymenoides Nezpar, Paloma, Rimrock Cool Bunch 1.9 and Both of the Following (15% Each, 30% Total) Galleta Pleuraphis [Hilaria] jamesii Viva florets Warm Bunch 2.5 Bluebunch Wheatgrass Pseudoroegneria spicata, Agropyron spicatum Secar, P-7, Anatone Cool Bunch 2.8 and One of the Following (20% Total) Thickspike Wheatgrass Elymus lanceolatus ssp. lanceolatus, Agropyron dasystachyum Critana, Schwendimar Cool Sod -forming 3.4 Slender Wheatgrass Elymus trachycaulus, Agropyron trachycaulum San Luis Cool Bunch 3.3 and Two of the Following (40% Total) Muttongrass Poa fendleriana Cool Bunch 0.6 Sandberg Bluegrass Poa sandbergii, Poa secunda Cool Bunch 0.6 Bottlebrush Squirreltail Elymus elymoides, Sitanion hystrix Cool Bunch 2.7 *Based on 60 pure live seeds (PLS) per square foot, drill -seeded. Double this rate (120 PLS per square foot) if broadcast or hydroseeded WestWater Engineering Page 11 of 14 4/21/2008 Table 7. Seed Mix for Mountain Shrubland, including Oakbrush (Project area mountain side -slopes) Common Name Scientific Names Variety Season Form PLS lbs/acre* Plant Both of the Following (20% Each, 40% Total) Thickspike Wlteatgrass Elymus lanceolatus ssp. lanceolatus, Agropyron dasystachyum Critana, Schwendimar Cool Sod -forming 3.4 Bluebunch Wheatgrass Pseudoroegneria spicata, Agropyron spicatum Secar, P-7, Anatone Cool Bunch 3.7 and One of the Following (20% Total) Bottlebrush Squirreltail Elymus elymoides, Sitanion hystrix Cool Bunch . 2.7 Slender Wheatgrass Elymus trachycauum, Agropyron trachycaulum San Luis Cool Bunch 3.3 and One of the Following (20% Total) Canby Bluegrass Poa canbyi, P. secunda Canbar Cool Bunch 0.6 Mutton Bluegrass Poa fendleriana Cool Bunch 0.6 and One of the Following (10% Total) Letterman Needlegrass Achnatherum [Stipa] lettermanii Cool Bunch 1.7 Columbia Needlegrass Achnatherum [Stipa] nelsonii, Stipa columbiana Cool Bunch 1.7 and One of the Following (10% Total) Indian Ricegrass Achnatherum [Oryzopsis] hymenoides Nezpar, Paloma, Rimrock Cool Bunch 1.9 Junegrass Koeleria macrantha, K cristata Cool Bunch 0.1 *Based on 60 pure live seeds (PLS) per square foot, drill -seeded. Double this rate (120 PLS per square foot) if broadcast or hydroseeded. WestWater Engineering Page 12 of 14 4/21/2008 are presented based on soil type and available moisture; one for the gentler, often drier, lower slopes and one for the higher altitude steeper sites. Note: Re -vegetation on very steep or west facing mountain side -slopes may be difficult due to thin soil and harsh climatic conditions. Surface disturbance should be minimized in those areas. For best results and success, the recommended grass mixture reseeding should be done in late autumn. The reseeding rate should be doubled for broadcast application (CNHP 1998). Preferred seeding method is multiple seed bin rangeland drill with no soil preparation other than simple grading to slope and imprinting and waterbars, where applicable. Alternative seeding methods include, but are not limited to: • harrow with just enough soil moisture to create a rough surface, broadcast seed and re - harrow, preferably at a 90 degree angle to the first harrow; • hydro -seeding (most economical in terms of seed cost); and • hand raking and broadcast followed by re -raking at a 90 degree angle to the first raking. • These are not the only means of replanting the site. However, these methods have been observed to be effective in similar landscapes. After desired grasses are established and control of target weed species is successful, then shrubs, forbs and trees can be planted without concern for herbicide damage. Few native forb seeds are available commercially as cultivars. Most are collected from natural populations. Native shrubs and forbs often do not establish well from seed, particularly when mixed with grasses. Past experience has shown that stabilizing the soil with grasses, accomplishing weed control, and then corning back to plant live, containerized woody species in copses has been the most cost effective method for establishing the woody species component of the plant community. For sites where soil disturbance will be temporary, grasses should be drilled after construction activities cease and the equipment removed from the site. After two years of controlling weeds (with herbicides) and allowing the grasses to become established, forbs and woody species should be inter -seeded or hand -planted to increase the diversity and value of the reclamation plantings. 5.0 REFERENCES Barrow, J. R., and Bobby D. McCaslin. 1995. Role of microbes in resource management in arid ecosystems. In: Barrow, J. R., E. D. McArthur, R. E. Sosebee, and Tausch, R. J., comps. 1996. Proceedings: shrubland ecosystem dynamics in a changing environment. General Technical Report, INT -GTR -338, Ogden, Utah: U.S. Department of Agriculture, U.S. Forest Service, Intermountain Resource Station, 275 pp. Boerboom, C. 1999. Herbicide mode of action reference. Weed Science, University of Wisconsin, 5 pp. WestWater Engineering Page 13 of 14 4/21/2008 CNHP. 1998. Native Plant Re -vegetation Guide for Colorado. Colorado Natural Heritage Program, Caring for the Land Series, Vol. III, State of Colorado, Division of Parks and Outdoor Recreation, Department of Natural Resources, Denver, 258 pp. CWMA. 2007. S. Anthony, T. D'Amato, A. Doran, S. Elzinga, J. Powell, I. Schonle, K. Uhing. Noxious Weeds of Colorado, Ninth Edition. Colorado Weed Management Association, Centennial. Garfield County Vegetation Management and Garfield County Weed Advisory Board. 2002. Garfield County Noxious Weed Management Plan. Resolution #2002-94, October 21. Hartzler, B. 2006. Biennial thistles of Iowa. ISU Extension Agronomy. www.weeds.iastate.edu/mgmt/2006/iowathistles.shtml Kershaw, L., A. MacKinnon, and J. Pojar. 1998. Plants of the Rocky Mountains. Lone Pine Publishing, Auburn, Washington. NRCS. 2008. Web Soil Survey, U.S. Department of Agriculture, Natural Resource Conservation Service, URL: http://websoilsurvey.nres.usda.gov. Sirota, J. 2004. Best management practices for noxious weeds of Mesa County. Colorado State University Cooperative Extension Tri River Area, Grand Junction, Colorado. URL: http://www.coopext.colostate.edu/TRA/VVeeds/weedmgmt.html State of Colorado. 2005. Rules pertaining to the administration and enforcement of the Colorado Noxious Weed Act, 35-5-1-119, C.R.S. 2003. Department of Agriculture, Plant Industry Division, Denver, 78 pp. Sullivan, P.G. 2004. Thistle control alternatives. Appropriate Technology Transfer for Rural Areas, National Sustainable Agriculture Information Service, Fayetteville, Arkansas, 9 pp. Tamarisk Coalition. 2007. Grand Junction, CO. URL: http://www.tamariskcoalition.org/tamariskcoalition/index.php Tischler, C. 2006. District Forester, Colorado State Forest Service, Salida, Colorado. Personal communication with Bill Clark, WestWater Engineering, Grand Junction, Colorado. Weber, W. A. and R. C. Wittmann. 2001. Colorado Flora: Western Slope, Third Edition. University Press of Colorado, Boulder Colorado. Whitson, T. D. (editor), L. C. Burrill, S. A. Dewey, D. W. Cudney, B. E. Nelson, R. D. Lee, and R. Parker. 2001. Weeds of the West — 9th edition. Western Society of Weed Science in cooperation with Cooperative Extension Services, University of Wyoming, Laramie WestWater Engineering Page 14 of 14 4/21/2008 APPENDIX A Garfield County Noxious Weed List Species Common name Species Code Growth Form' Life History2 State "A" List State "B" List State "C" List Garfield List Acroptilon repens Russian knapweed ACRE 3 F P X X Aegilops cylindrica Jointed goatgrass AECY G A X X Arctium minus Common (Lesser) burdock ARMI 2 F B X X Cardaria draba Hoary cress, Whitetop CARR F P X X Carduus acanthoides Spiny plumeless thistle CAAC F B, WA X X Carduus nutans Musk (Nodding plumeless) thistle CANU 4 F B X X Centaurea diffusa Diffuse knapweed CEDI 3 F P X X Centaurea maculosa Spotted knapweed CEMA 4 F P X X Centaurea solstitialis Yellow starthistle CESO 3 F A X X Chrysanthemum Ieucanthemum Oxeye daisy CHLE 80 F P X X Cichorium intybus Chicory CI IN F P X X Cirsium arvense Canada thistle CIAR 4 F P X _ X Cynoglossum officinale Houndstongue, Gypsytlower CYOF F B X X Elaeagnus angustifolia Russian olive ELAN T P X X Euphorbia esula Leafy spurge EUES F P _ X X Linaria dalmatica Dalmatian toadflax, broad-leaved LIDA F P X X Linaria vulgaris Yellow toadflax LIVU 2 F P X X Lythrum salicaria Purple Ioosestrife LYSA 2 F P X X Onopordum acanthium Scotch thistle ONAC F B X X Tamarix parviflora Smallflower tamarisk TAPA 4 T P X X Tamarix ramosissima Salt cedar, Tamarisk TARA T P X X 1 — Growth form: T = treelshrub; F = forblvine; G = graminoid 2 — Life history: A = annual; B = biennial; P = perennial; WA = winter annual WestWater Engineering Appendix A — Page 1 4/21/2008 APPENDIX B Noxious Weed Location UTM's (Garfield County listed weeds in bold) Weed WestWater Engineering Appendix B — Page 1 4/21/2008 UTM ni g UTM Northing Comments Bull Thistle 12S 0727952 4386277 4 plants 12S 0728221 4385607 1 plant 12S 0728098 4385829 2 plants Common Mullein 12S 0728303 4385550 100 ft long row along road. 12S 0727845 4383099 Few 12S 0727916 4383043 50 ft circle 12S 0727939 4383025 Moderate amount along old road bed. See Appendix D, Photo 7. 12S 0728088 4382934 Few 12S 0727933 4386123 Few 12S 0727954 4386138 Few 12S 0727977 4386089 30 plants. 12S 0728034 4385972 Few 12S 0728158 4385668 20 plants 12S 0728310 4385571 Dense; 100 plants. 12S 0728369 4385571 Dense; 100 plants. 12S 0728602 4385710 5 plants. 12S 0728623 4385739 Dense; 300 plants. Common Mullein / Houndstongue 12S 0727482 4383991 Polygon Start. These are west boundary points. Polygon goes east to Clear Creek 12S 0727479 4383930 12S 0727548 4383898 Cont. 12S 0727541 4383816 Cont. 12S 0727466 4383711 Cont. 12S 0727493 4383669 Polygon Stop 12S 0727705 4383795 Polygon Start. North of access road to new pad 12S 0727490 4384050 Cont. 12S 0727580 4384025 Cont. 12S 0727750 4383865 Polygon Stop. 12S 0728145 4383105 Polygon Start. 12S 0728138 4383205 Very dense infestation. 12S 0728075 4383220 Cont. 12S 0728035 4383185 Polygon Stop WestWater Engineering Appendix B — Page 1 4/21/2008 Weed UTM UTM Northing Comments Common Mullein / Houndstongue 12S 0727985 4383505 Polygon Start. 12S 0728181 4383740 Low density but continuous 12S 0728200 4384020 coverage. 12S 0728060 4383755 Polygon Stop. 12S 0728200 4384205 75 ft row on talus slope 12S 0727840 4383168 50 ft. circle Common Mullein / Musk Thistle 12S 0727764 4383251 Moderately thick musk thistle. 12S 0727981 4383020 Few musk thistle Common Mullein / Houndstongue 1 Musk Thistle 12S 0728266 4383771 Start row. 12S 0728260 4383794 End row. Downy Brome Scattered almost everywhere there is vegetation. Most dense in disturbed areas and in sagebrush. Little to none on talus slopes Houndstongue 12S 0727820 4383194 Few Musk Thistle 12S 0727663 4383827 4 plants 12S 0727679 4383344 Few plants. 12S 0727482 4383991 20 plants 12S 0727568 4384005 7 plants 12S 0728183 4383701 5 plants 12S 0728261 4383841 24 plants 12S 0728275 4383860 50 plants 12S 0728105 4383760 34 plants 12S 0728105 4383540 4 plants 12S 0728232 4385557 2 plants Tamarisk 12S 0727700 4383665 Polygon Start. 12S 0727745 4383635 Cont. 12S 0727710 4383590 Cont. 12S 0727708 4383625 Polygon Stop. 12S 0727695 4383845 10 ft. diameter clump. 12S 0727750 4383570 Linear feature Start. 12S 0727765 4383475 Cont. WestWater Engineering Appendix B -- Page 2 4/21/2008 Weed East g UTM Northing Comments Tamarisk 12S 727805 4383425 Cont. 12S 727800 4383385 Cont. 12S 727815 4383350 Linear feature Stop. 12S 728340 4382895 Start row. 12S 728355 4382885 Stop row. WestWater Engineering Appendix B — Page 3 4/21/2008 APPENDIX C Additional Photos Photo 2. Clear Creek drainage near the Tom Creek confluence, looking north Photo 3. Steep side -slopes of Tom Creek drainage, looking south WestWatcr Engineering Appendix C — Page 1 4/21/2008 APPENDIX C Additional Photos Photo 4. New Mexico locust near Clear Creek; Common mullein in foreground Photo 5. Common mullein infestation near Clear Creek WestWater Engineering Appendix C — Page 2 4/21/2008 APPENDIX C Additional Photos Photo 6. First year houndstongue rosette Photo 7. Weeds, such as common mullein, often frequent disturbed areas such as this old roadbed WestWater Engineering Appendix C — Page 3 4/21/2008 Washington Division Piceance Basin Natural Gas Development Project URS Corporation — Washington Division Project Number 29454 Chevron Contract No.: C537211 SITE PREPARATION/ STABILIZATION, SOIL MANAGEMENT, EARTH WORK AND BACKFILL FOR Chevron %11. CHEVRON DOCUMENT NUMBER PBSR-ALL-CIV-SPC-URS-00000-04001-00 Prepared by: URS Washington Division 10550 Richmond Avenue Suite 300 Houston, TX 77042 Revision: UO3 Status: Issued for Construe ion URS Washington DMSlon SITE PREPARATION/ STABILIZATION, SOIL MANAGEMENT, EARTHWORK AND BACKFILL Protect No.: 29454-000 Revision No.: UO3 Specification No.: PBSR-ALL-CIV-SPC-URS-00000- 04001-00 SPECIFICATION REVISION PAGE Project Name: Client: Piceance Basin Natural Gas Discipline: Civil Development Project CHEVRON Revision Signatures 03/16/2009 G23‘ 03/16/2009 Prepar •• .y, oan. a •r=scu dif‘aA f /lam ,��, . ,.. Checked by Steve ,/ • zines Date Approved by Abdul Helal (SDE) Issue Date 03/16/2009 ;i 03/16/2009 Date Approved by Harold Craft (PEM) Date Status No. Dev ate Prepared By Pages Description of Changes CR AFC IFC IFC A 0 1 UO2 UO3 07/18/07 04/15/08 07/29/06 01121/09 02/27/09 MN TM SMC/TM IL SAM 11 11 11 5'6 All 1 2 10 11 12 Issued for review and Comments Approved for Construction Addition of erosion control / soil management requirements & Section 11.7 revised base course Revised Section 4: Documents; Section 6: Specifications; Section 8.1 erosion potential Revised Specification No. as PBSR-ALL-CIV-SPC- URS -00000-04001-00 Revised Specification No. as PBSR-ALL-CIV-SPC- URS-00000-04001-00 Revised Section 13: Additional Requirement for Tank Subgrade Added Section 16: Additional Requirements for Containment Berm Construction Page 2 of 12 Confidenbel: This Is Confidential information. Disclosure by the recipient Is therefore subject to the leans of applicable U.S. trade end export control laws and regulations. My disclosure or re-export of this information (as defined in the U.S. Regulations) Is prohibited. ORS Washington Division SITE PREPARATION/ STABILIZATION, SOIL MANAGEMENT, EARTHWORK AND BACKFILL Project No.: 29454-000 Revision No.: UO3 Specification No.: PBSR-ALL-CIV SPC -URS -00000- 04001.00 TABLE OF CONTENTS SECTION PAGE 1.0 SCOPE 4 2.0 DEFINITIONS 4 3.0 REQUIRED REFERENCES 4 4.0 DOCUMENTS 5.0 REPORTS 5 6.0 SPECIFICATIONS 7.0 SITE EVALUATION / EXISTING VEGETATION DOCUMENTATION 6 8.0 CLEARING / GRUBBING / DRAINAGE 1 PRELIMINARY EROSION CONTROL 6 9.0 TOPSOIL REMOVAL 1 MANAGEMENT 7 10.0 EXCAVATION - GENERAL 7 11.0 FILL 1 BACKFILL / COMPACTION 8 12.0 QUALITY ASSURANCE 9 13.0 ADDITIONAL REQUIREMENTS FOR TANK SUBGRADE 10 14.0 GRADING 10 15.0 ADDITIONAL REQUIREMENTS FOR ROADWAY SUBGRADE 11 16.0 ADDITIONAL REQUIREMENTS FOR CONTAINMENT BERM CONSTRUCTION 11 5 5 Page 3 of 12 Confidential: This Is ConAdentld Information. Disclosure by the recipient is therefore subject to the terms of applicable U.S. Erode and export control laws and • emulations. My disclosure or re.ruahrt of Ills Information (as deAned In the U.S. Reputational is protbbited. URS Washington Division SITE PREPARATION/ STABILIZATION, SOIL MANAGEMENT, EARTHWORK AND BACKFILL Project No.: 29454-000 Revision No.: UO3 Specification No.: PBSR-ALL-CIV-SPC-U RS -00000- 04001-00 1.0 SCOPE 1.1 This scope covers the requirements for site preparation, soil management, general earthwork, preparation of tank sub -grades and tank dikes. 2.0 DEFINITIONS 2.1 Owner: Chevron North America Exploration and Production 2.2 Engineer: URS Corporation Washington Division 2.3 Contractor: TBD 2.4 Subcontractor: Firm undertaking the scope of work as defined in this Specification 2.5 State: Refers to State of Colorado 3.0 REQUIRED REFERENCES This Section lists Standards, Codes and Specifications that are referenced and assumed to be a part of this document. Unless otherwise specified herein, use the latest edition. 3.1 ASTM—American Society for Testing and Materials ASTM C 33-03 Standard Specification for Concrete Aggregates. ASTM C117-04 Standard Test Methods for Material Finer Than # 200 Sieve in Aggregates by Washing. ASTM C 136-06 Standard Test Method for Sieve Analysis of Fine and Coarse Aggregates. ASTM D 422-63 Standard Test Method for Particle -size Analysis of Soils. ASTM D 1140 Standard Test Methods for Amount of Material in Soils Finer Than the No. 200 (75 -Micrometer) Sieve ASTM 1556 Standard Method for Density and Unit Weight of Soil in Place by the Sand Cone method. ASTM D 1557 Standard Test Methods for Laboratory Compaction Characteristics of Soil Using Modified Effort (56,000 ft-lbf/ft3 (2,700 kN-mfm3)) ASTM D 2167 Standard Test Method for Density and Unit Weight of Soil in Place by the Rubber Balloon Method ASTM D 2216 Standard Test Methods for Laboratory Determination of Water (Moisture) Content of Soil and Rock by Mass. Page 4 of 12 Confidential; This Is Ccn deritial Information. Disclosure by the recipient Is therefore subject to the tams cf applicable U.S. trade and export control laws and rag -dada**. My dlsdosure or reexport of Vas Information (as defined In the U.S. Regulations) Is prohibited. URS Washington OMSion SITE PREPARATION! STABILIZATION, SOIL MANAGEMENT, EARTHWORK AND BACKFILL Protect No.: 29464-000 Revision No.: UO3 Specification No.: PBSR-ALL-CIV-S PC -URS -00000- 04001.00 ASTM D 2922 Standard Test Methods for Density of Soil and Soil -Aggregate in Place by Nuclear Methods (Shallow Depth) ASTM D 2937 Standard Test Method for Density of Soil in Place by the Drive -Cylinder Method ASTM D 3017-05 Standard Method for Water Content of Soil and Rock in Place by Nuclear Methods (Shallow Depth) ASTM D 4253 Standard Test Methods for Maximum Index Density and Unit Weight of Soils Using a Vibratory Table ASTM D 4254 Standard Test Methods for Minimum Index Density and Unit Weight of Soils and Calculation of Relative Density ASTM D 4318 Standard Test Methods for Liquid Limit, Plastic Limit, and Plasticity Index of Soils 4.0 DOCUMENTS Typical Best Management Practices (BMPs) Details, URS Document Number: PBSR-ALL-RGL-PMT- URS-00000-00003-00. Chevron Piceance Basin Natural Gas Development Program, Storm Water Management Plan, Construction Storm -Water Field Permit, URS Document Number: PBSR-ALL-RGL-PMT-URS-00000- 00002-00 and PBSR-ALL-RGL-PMT-URS-00000-00003-00. Rust Constructors, Chevron Piceance Project, Project Safety Pian, Fugitive Dust Control Plan, Rev. 1, Procedure Number: REC-06. 5.0 REPORTS 5.1 Geotechnical Investigation for facility specific area. 6.0 SPECIFICATIONS 6.1 PBSR-ALL-CIV-SPC-URS-00000-04002-00 6.2 PBSR-ALL-CIV-SPC-URS-00000-04005-00 6.3 PBSR-ALL-CIV-SPC-URS-00000-04006-00 6.4 PBSR-ALL-CIV-SPC-URS-00000-04007-00 6.5 PBSR-ALL-CIV-SPC-URS-00000-04008-00 6.6 PBSR-ALL-CIV-SPC-URS-00000-04010-00 Civil Design Basis Seeding, Hydro -Mulching and Re -Vegetation Fences and Gates Sanitary Sewer and Storm Drainage Systems Re -Vegetation of Disturbed Areas Underground Pipe Bedding Details Page 5 of 12 Confidential: This to Confidential Information. Disclosure by the recipient is therefore subject to the terms of appscabie U.S. trade and export control laws and regulations. My disclosure or re-egio t of this informationjae defined in the U.S, Reguiatical is prohibited. VMS Washington Division SITE PREPARATION/ STABILIZATION, SOIL MANAGEMENT, EARTHWORK AND BACKFILL Project No.: 29454-000 Revision No.: 1.103 Specification No.: PBSR-ALL-CIV SPC -URS -00000- 04001.00 7.0 SITE EVALUATION 1 EXISTING VEGETATION DOCUMENTATION 7.1 The site shall be evaluated to determine potential problem areas for control of storm -water runoff. Erasion control drawings, the master storm -water management plan, and the site specific storm - water management plan shall be reviewed prior to any land disturbance activities. 7.2 Photos of existing site conditions shall be obtained to document pre -construction vegetative cover. This Information is needed to determine when the site has reached sufficient re -vegetative cover to meet regulatory requirements. Pre -construction site photos shall be provided to the on- site storm -water management plan coordinator. B.0 CLEARING I GRUBBING 1 DRAINAGE I PRELIMINARY EROSION CONTROL 8.1 All earthwork construction shall be evaluated for erosion potential. Appropriate control measures (Best Management Practices — BMPs) shall be specified and installed to mitigate soil erosion. Refer to URS Documents: PBSR-ALL-RGL-PMT-URS-00000-00002-00 and Specification 12-0- 003. 8.1.1 Preliminary erosion controls (e.g., silt fencing, straw wattles, berms, etc.) shall be installed as soon as sufficient vegetation has been removed to allow installation. Some areas with high erosion risk may require the installation of several interim control measures. 8.2 Active dust control methods shall be implemented, as necessary, throughout the clearing and grubbing operations. Dust control procedures for this project are documented in the Rust Constructors, Chevron Piceance Project, Project Safety Plan, Fugitive Dust Control Plan, Rev. 1, Procedure Number: REC-06. 8.3 Clearing, at the specified site work areas, shall include the removal of all trees, bushes, and other vegetation. It shall also include the removal of dense growth of ground plants, matted dead vegetation and rubbish resting on natural grade. 8.4 Clearing shall include the specified (as identified on the drawings) removal of any existing structures, foundations, buried service piping and conduits. 8.5 Grubbing, at the specified site work areas, shall include the excavation and complete removal of tree stumps. Grubbing also shall include the excavation and complete removal of all other plant life, including root structures, plus rubbish. 8.6 Exceptions to the depth for grubbing are as follows for the specific site work areas shown below: 8.6.1 Drainage ditches shall be grubbed to a depth no less than one (1) foot (300 mm) beneath the finished side slopes and bottom. 8.6.2 Areas directly under tanks shall be grubbed to a depth of two (2) feet (600 mm) below the tank bottom but not less than six (6) inches (150 mm) below natural grade over the entire tank bottom. 8.6.3 Areas under earth dikes for tanks and pit areas around tanks shall be grubbed to a depth of two (2) feet (600 mm) below finished grade but not less than six (6) Inches (150 mm) below natural grade. Page6of12 l CpMdenbei: This Is Confidential lnfamatton. Disclosure by the recipient is therefore sutjeel to ohs terms of eppicabia U.S. trade end export control laws end mai OWL My diedosure c, re-export of Ws infarmetion (as defined in the U.S. Reoufeticnsj Is prrhiteed. URS Washington Division SITE PREPARATION/ STABILIZATION, SOIL MANAGEMENT, EARTHWORK AND BACKFILL Protect No.: 29454000 Revision No.: UO3 Specification No.: PBSR-ALL-CIV-SPC-URS-00000- 04001-00 8.6.4 Embankment slopes shall be grubbed to a depth of at least one (1) foot (300 mm) beneath the finished slope. 8.6.5 Areas for piping between unit area limits and ditches, and along roads, shall be grubbed to a depth of two (2) feet (600 mm) below finished grade but not less than six (6) Inches. (150 mm) below natural grade. 8.6.6 All organic material, including trees, stumps, roots, and brush shall be removed from the site work areas as directed by the Contractor. 8.7 All storm -water controls should be inspected for functional integrity following clearing and grubbing operations and repaired as necessary. 9.0 TOPSOIL REMOVAL 1 MANAGEMENT 9.1 Topsoil is an extremely valuable resource necessary for re -vegetation activities that are mandated by several regulatory agencies (CDPHE, COGCC, Garfield County). Because topsoil formation is a very slow process [ranges from <0.25 mm per year for cold, dry climates (similar to Colorado) to >1.5 mm per year in humid, warm climates], every effort shall be made to conserve existing topsoil by careful excavation and placement in a dedicated topsoil stockpile. 9.2 Appropriate interim and permanent erosion control measures shall be installed on the topsoil stockpile, as soon as practical, to protect the topsoil resource from wind and water erosion. 9.3 Active dust control methods shall be implemented, as necessary, throughout all topsoil removal and stockpiling operations. Dust control procedures for this project are documented in the Rust Constructors, Chevron Piceance Project, Project Safety Pian, Fugitive Dust Control Plan, Rev. 1, Procedure Number: REC-06. 9.4 A vegetative cover shall be established on the topsoil stockpile (or equivalent control technique) to stabilize the resource until it is needed for site reclamation / re -vegetation. 9.5 All storm -water controls should be inspected for functional integrity following topsoil stockpiling operations and repaired as necessary. 10.0 EXCAVATION - GENERAL 10.1 All excavation activities shall be reviewed to determine if erosion control measures are necessary. Appropriate erosion interim and/or permanent controls shall be installed as soon as practical. 10.2 Active dust control methods shall be implemented, as necessary, throughout all excavation operations. Dust control procedures for this project are documented in the Rust Constructors, Chevron Piceance Project, Project Safety Pian, Fugitive Dust Control Plan, Rev. 1, Procedure Number: REC-06. 10.3 Rock, if encountered in pipe trenches, shall be removed to at least six (6) inches (150 mm) below bottom of pipe. Page 7 of 12 Confidential: This is ConfidentimY Information. Disclosure by the redolent Is therefore subject to the terms of applicable V.S. trade and export control laws and reoula5oms. My dsdosure or re-export of this information (as defined In the U.S. Regulations) Is prohi ted. URS Washington DNision SITE PREPARATION/ STABILIZATION, SOIL MANAGEMENT, EARTHWORK AND BACKFILL Project No.: 29454-000 Revision No.: 1.103 Specification No.: PBSR-ALL-CIV SPC -URS -00000- 04001-00 10.4 If trench bottom materials are soft, they shall be stabilized as recommended by the appropriate geotechnical firm representative. One potential method of stabilization included the soft zone be removed and replaced with coarse granular material, leveled and compacted to the prescribed grade. 10.5 if soft or unstable materials are encountered near the bottom of a foundation excavation, the Contractor shall be advised immediately. Measures taken to remedy such conditions shall be approved by the geotechnical firm representative. 10.6 If a structure or foundation is founded on rock, the rock shall be stripped clean and cut level, stepped or serrated. Foundations shall not be supported by mixed foundation types or mixed ground support strata. 10.7 Excavated materials shall be disposed of as fill if suitable or transported to designated contractor spoil or stockpile areas. 10.8 Foundation excavations shall be kept free of water until either a seal slab or the foundation is placed. Any water -softened soils shall be removed prior to pouring the foundation. 10.9 Where the locations of existing underground utilities are not known, controlled localized excavation shall be made to identify their location prior to general excavation. 10.10 Remove all existing organic material and soil to a minimum depth of four (4) inches. 10.11 Scarify, moisture condition, and re -compact exposed soil to a minimum depth of 12 inches. 10.12 All storm -water controls should be inspected for functional Integrity following excavation activities and repaired as necessary. 11.0 FILL 1 BACKFILL 1 COMPACTION Ail fill 1 backfill 1 compaction activities shall be reviewed to determine if erosion control measures are necessary. Appropriate erosion interim and/or permanent controls shall be installed as soon as practical. 11.2 Active dust control methods shall be implemented, as necessary, throughout all fill / backfill / compaction operations. Dust control procedures for this project are documented in the Rust Constructors, Chevron Piceance Project, Project Safety Plan, Fugitive Dust Control Plan, Rev. 1, Procedure Number: REC-06. 11.3 Native overburden and excavated, consisting of four (4) inches well graded maximum 15 -percent passing the No. 200 sieve, maximum liquid limit 30 -percent, and six (6) inch maximum coarse rock, may be used for Granular Structural Fill. 11.4 Coarse aggregate structural fill shall to be placed around finished pile caps. 11.5 Top layer is to consist of % inch and smaller gravel placed at sub -grade elevation. 11.6 All fill and backfill should be placed in uniform lifts, moisture content adjusted between two percent below optimum moisture content to two percent above optimum moisture and compacted Page 8 of 12 Confldentiar: This is Confidential inform on. Disclosure by the redpient is therefore subject to the tame of applicable US. trade end export contrd lees and reguraticns. My disclosure or reexport of this Information (as defined In the U.S. Regulations) Is prohibited. URS Washington Division SITE PREPARATION/ STABILIZATION, SOIL MANAGEMENT, EARTHWORK AND BACKFILL Protect No.: 29454-000 Revision No.: 1.103 Specification No.: PBSR-ALL-CIV-SPC•URS-00000- 04001.00 to the following minimum percent of maximum dry density as determined by ASTM D698 (standard Proctor) a. Foundations, Skids, PDC's 95% b. Building Floor Slabs 95% c. Condensate Storage/Produced Liquid Tanks95% d. General Backfill 90% e. Roads storage areas and any traveled surface. 95% 11.7 Work lay down area top layer is to consist of 4 inches of one (1) inch maximum size aggregate base course gravel placed at sub -grade elevation. 6 inches of pit run with road base cap shall be an acceptable alternative to the 4 inch aggregate mentioned above. At least 12 inches of well compacted granular fill will produce a maximum bearing pressure of 1,750 pounds per square foot (psf). Bearing pressures over 1,750 psf, foundation dimensions over 60 -inches or structures with settlement tolerances less than four (4) inches movement require structure geotechnical analysis and may require deep foundations, such as driven piles. 11.8 All storm -water controls should be inspected for functional Integrity following fill / backfill / compaction activities and repaired as necessary. 12.0 QUALITY ASSURANCE 12.1 All soil testing shall be performed by a representative of the appropriate geotechnical firm. 12.2 At least one optimum moisture -maximum density curve for each class of soil will be prepared. The exact number of tests shall be dependent on the variation of material properties for each class of soil, and shall be determined by the soil engineer. 12.3 Maximum densities: Determined based on ASTM D698, standard Proctor. 12.4 Quality assurance testing during construction shall be performed using in-place density test per ASTM D 1557, ASTM D 2167 or ASTM 2922 or ASTM D 425314254 for non -cohesive material. 12.5 Location of test will be determined be the appropriate geotechnical firm representative. 12.6 Minimum Test Frequency: a. Minimum of three tests shall be performed under each facility / equipment foundation. Additional test requirements for foundations include: One for each Independent foundation or one every 1000 square feet of each lift. b. Under area paving and building slab areas: One every 2,000 square feet of each lift but in no case less than three tests. c. Road base and sub -base: One every 2,000 square feet of each lift. Page 9 of 12 Confidential: TNI Is Confidential rnfocmatbn. Disclosure by the recipient is therefore subject to the leans of appocable U.S. trade and export control laws and regulations. Mydiadoaure or re-export of this Information las defined In the U.S. Regulstionsj Is prohlbited. 1 URS Washington Division SITE PREPARATION/ STABILIZATION, SOIL MANAGEMENT, EARTHWORK AND BACKFILL Project No.: 29454-000 Revision No.: UO3 Specification No.: PBSR-ALL-CIV-SPC-URS-00000- 04001-00 d. Trench Backfill: One test for every 50 linear feet of each lift. e. General fill: One every 2,000 square feet of each lift. 12.7 Quality Assurance Tests: When a test Indicates results below specified density, the Subcontractor shall re -compact the area to the proper density and pay for the re -testing expense. 12.8 Compaction test locations serve as an indication and not a guarantee that compacted areas meet the minimum requirements, however the Subcontractors remains responsible that all soils meet at least the minimum requirements. ADDITIONAL REQUIREMENTS FOR TANK SUBGRADE Earth subgrade under tank subgrade shall be prepared as follows: Remove any rock found under the tank bottom or within two (2) feet (600 mm) of the tank bottom. Sub -grade shall be proof -rolled using overlapping passed with a loaded dump truck or heavy compactor prior to fill placement or construction. Any soft material encountered shall be removed and the excavation area backfilled and compacted as by the soil Engineer. 13.1.3 Cement stabilized material shall be placed under the tank and ring wall where shown on the design drawings. 14.0 GRADING 14.1 All rough grading activities shall be reviewed to determine if erosion control measures are necessary. Appropriate erosion interim and/or permanent controls shall be Installed as soon as practical. 14.2 Active dust control methods shall be implemented, as necessary, throughout all rough grading operations. Dust control procedures for this project are documented in the Rust Constructors, Chevron Piceance Project, Project Safety Pian, Fugitive Dust Control Pian, Rev. 1, Procedure Number: REC-06. 14.3 Rough grading shall be installed to within a vertical tolerance of 0.2 foot (60 mm) of final lines, grades and slopes. 14.4 Final grades shall be carried to the lines, grades and slopes shown on the drawings, within a tolerance of 0.1 foot (30 mm). 14.5 All storm -water controls should be Inspected for functional integrity following rough grading activities and repaired as necessary. Page 10of12 Confdei1d: This Is Conildenthd Information. Disclosure by the recipient Is therefore subject to the terms of applicable U.S. trade and export control laws and regulations. My dsdosure or re-4sgrt of this Infcrmallon fel def nod In the U.S. Regdedaml Is prohibited. URS Washington Division SiTE PREPARATION/ STABILIZATION, SOIL MANAGEMENT, EARTHWORK AND BACKFILL Project No.: 29454-000 Revision No.: UO3 Specification No.: PBSR-ALL-CIV-SPC-URS-00000- 04001-00 15.0 ADDITIONAL REQUIREMENTS FOR ROADWAY SUBGRADE 15.1 The existing sub -grade shall be compacted by proof -rolling and any soft material removed prior to placing fill, sub -base or base course materials 15.2 Remove any rock that protrudes above the final road bed sub -grade or above the face of the side ditches. Tolerance for the bottom of road to be ± four (4) inches from finish grade. 16.0 ADDITIONAL REQUIREMENTS FOR CONTAINMENT BERM CONSTRUCTION 16.1 All fill materials, method of placement, moisture content and percent compaction, shall be approved by the Owner's representative. 16.2 After the foundation for the fill has been cleared and scarified, it shall be disked or bladed until it is free of large clods, brought to the proper moisture content (within 2 percent above or below optimum) and compacted to not less than 95 percent of maximum density as determined in accordance with ASTM D 698. If soft/yielding sub -grade conditions are encountered, stabilization may be required. 16.3 Fill sods shall be free from vegetable matter or other deleterious substances, and shall not contain rocks or lumps having a diameter greater than six (6) inches. Fill materials shall be obtained from cut areas staked in the field by the Owner's Geotechnical Engineer. On-site materials classifying as CL, SC, SM, SW, SP, GP, GC and GM are acceptable. Concrete, asphalt, organic matter and other deleterious materials or debris shall not be used as fill. 16.4 Fill materials shall be moisture treated to within 2 +- percent of optimum moisture content as determined from Proctor compaction tests. Sufficient laboratory compaction tests shall be made to determine the optimum moisture content for the various soils encountered. The Contractor may be required to add moisture to the excavation materials in the borrow area if, in the opinion of the Owner's representative, it is not possible to obtain a uniform moisture content by adding water on the fill surface. The Contractor may be required to rake or disk the fill soils to provide uniform moisture content through the soils. The application of water to embankments shall be made with any type of watering equipment as approved by the Owner's representative, which will give the desired results. Water jets shall not be directed at the embankment. Should too much water be added to any part of the fill, such that the material is too wet to permit the desired compaction from being obtained, rolling and all work on that section of the fill shall be delayed until the material has been allowed to dry to the required moisture content. The Owner's representative may permit reworking of the wet material in an approved manner to hasten it's drying. 16.5 Selected fill material shall be placed and mixed in evenly spread layers. After each fill layer has been placed, it shall be uniformly compacted to not less than the specified percentage of maximum density. Expansive soils classifying as CL or SC shall be compacted to al least 95 percent of the maximum dry density as determined in accordance with ASTM D 698 (100 percent for fill deeper than 15 feet below final grade). At the option of the Geotechnical Engineer, soils classifying as SW, SP, GP, GC or GM may be compacted to 90 percent of the maximum density as determined in accordance with ASTM D 1557 (95 percent for fill deeper than 15 feet below Page 11 of 12 Confidential: This Is Confidential Information. Disclosure by the redolent is therefore subject to the terms of applicable U.S. trade and export control laws and regulations. Any disclosure or re-export of this information (as defined In the U.S. Regulations i__prohibited. Washington Dsvlslon SITE PREPARATION/ STABILIZATION, SOIL MANAGEMENT, EARTHWORK AND BACKFILL Project No.: 29454-000 Revision No.: UO3 Specification No.: PBSR-ALL-C$V-SPC-URS•00000- 04001-00 final grade). Fill materials shall be placed such that the thickness of the loose material does not exceed 10 inches and the compacted fill thickness does not exceed 6 inches. Compaction, as specified above, shall be obtained by the use of sheepsfoot rollers, multiple - wheel pneumatic -tired rollers, or other equipment approved by the Owner's representative for soils classifying as CL or SC. Granular fill shall be compacted using vibratory equipment or other equipment approved by the Geotechnical Engineer. Compaction shall be accomplished while the fill material is at the specified moisture content. Compaction of each layer shall be continuous over the entire area. Compaction equipment shall make sufficient trips to Insure that the required density is obtained. 16.6 Fill slopes shall be compacted by means of sheepsfoot rollers or other suitable equipment. Compaction operations shall be continued until slopes are stable, but not too dense for planting, and there is no appreciable amount of loose soil on the slopes. Compaction of slopes may be done progressively in increments of three to five feet in height or after the fill is brought to its total height. Permanent fill slopes shall not exceed 3:1 (horizontal to vertical) except as noted on the drawings. 16.7 Field density tests shall be made by the Geotechnical Engineer at locations and depths where necessary. Where sheepsfoot rollers are used, the soil may be disturbed to a depth of several inches. Density tests shall be taken in compacted material below the disturbed surface. When density tests indicate that the density or moisture content of any layer of fill or portion thereof is below that required, the particular layer or portion shall be reworked until the required density or moisture content has been achieved. 16.8 Observations by the Geotechnical Engineer shall be continuous during the placement of fill and compaction operations so that he can declare that the fill was placed In general conformance with specifications. All inspections necessary to test the placement of fill and observe compaction operations will be approved the Chevron's Representative in advance. Initial, replacement and final grading staking shall be done by the Contractor. 16.9 No fill material shall be placed, spread or rolled while it is frozen, thawing or during unfavorable weather conditions. When work is interrupted by heavy precipitation, fill operations shall not be resumed until the Geotechnical Engineer indicates that the moisture content and density of previously placed materials are as specified. 16.10 Density tests made by the Geotechnical Engineer shall be submitted progressively to the Chevron representative. Dry density, moisture content, of each test taken and percentage compaction shall be reported in each test. 16.11 The Geotechnical Engineer shall provide a written declaration stating that the site and berm was filled in accordance with acceptable materials, and was placed in general accordance with the specifications. Page 12 of 12 Confidential: This is Confidential Information. Disclosure try the recipient is therefore subject to the terms of applicable U.S. trade and export control laws and regulations. My disclosure or re-export of this Information (as defined In the U.S. Regulations) Is prohibited. REVIEWED By Tim Toale, P.F. at 9:19 am, Dec 15, 2008 Washington Division Piceance Basin Natural Gas Development Project Garfield/Mesa, Colorado URS Corporation `Washington Division Project Number 29454 Chevron Contract No.: C53721 Document Number PBSR-ALL-CIV-SPC-URS-00000-04005-00 For Code 1: Approved Tim Toale 12-17-2008 SEEDING, HYDRO -MULCHING AND RE -VEGETATION Prepared For Chevron 111110 Chevron North America Exploration and Production Prepared by URS Washington Division 10550 Richmond Avenue Houston, Texas 77042 Revision: 101 Status: IFA Confidential: This is Confidential Information. Disclosure by the recipient is therefore subject to the terms of applicable U.S. trade and export control laws and regulations. Any disclosure or re-export of this information (as defined in the U.S. Regulations) is prohibited. URS Washington DMsron SEEDING, HYDRO -MULCHING AND RE -VEGETATION Chevron Contract No.: C537211 Project No.: 29454 Specification No.: PBSR-ALL-CIV-SPC-URS-00000- 04005-00 Revision No.: 1.01 SPECIFICATION REVISION PAGE Project Name: Client: Piceance Basin Natural Gas Development Project Discipline: Civil CHEVRON fJ� _ 1 by CHarvey /1l srrn.2._ Revision Signatures 12/09/08 ' . 12/09/08 Prepared "/,,,�,,.. Date • •prove 12/09/08 ror,,,/)/ Steve Mezines (SDE) Issue Date 12/09/08 Checleed by Trey Moore Date Approved by told Craft (PEM) Date Status No.ate ev.Prepared Pages Description of Changes IDR IFA H01 L01 11/17/08 12/09/08 GGH GGH ALL ALL Issue for Inter -Discipline Review Issue for Approval r Confidential: This is Confidential Information. Disclosure by the recipient is therefore subject to the terms of applicable U.S. trade and export control laws and regulations. AnLdisclosure or reexport of This information (as defined in the U.S. Regulations} is prohibited. Page 2 of 10 URS Washington Dmsion SEEDING, HYDRO -MULCHING AND RE -VEGETATION Chevron Contract No.: C537211 Protect No.: 29454 Specification No.: PBSR-ALL-CIV-SPC-U RS -00000- 04005-00 Revision No,: L01 TABLE OF CONTENTS SECTION PAGE 1.0 GENERAL 4 1.1 Scope .......4 1.2 Related Specifications 4 1.3 Definitions 4 1.4 References and Standards 4 1.5 Submittals 5 1.6 Quality Assurance 5 1.7 Delivery, Storage, and Handling 5 1.8 Warranty 5 2.0 PRODUCTS 6 2.1 Materials 6 3.0 EXECUTION 7 3.1 General 7 3.2 Preparation for Seeding 7 3.3 Seed Placement - 7 3.4 Mulching 8 3.5 Maintenance 8 3.6 Workmanship 9 3.7 Field Quality Control 9 3.8 Adjusting and Cleaning 9 3.9 Protection 9 Confidential: This is Confidential Information. Disclosure by the recipient Is Iherefore subject to the terms of applicable U.S. trade and export 1 control laws and regulations. Any disclosure or re-export of this information (es defined in the U.S. Regulations) is prohibited. Page 3 of 10 URS Washington Dlwsion SEEDING, HYDRO -MULCHING AND RE -VEGETATION Chevron Contract No.: C537211 Protect No.: 29454 Specification No.: PBSR-ALL-CIV-S PC -URS -00000- 04005-00 Revision No.: L01 1. GENERAL 1.1 Scope This Specification covers the site conditions, materials and construction requirements for native grass seeding for the Chevron Piceance Basin Natural Gas Development Project. Services for this work shall consist of, but not necessarily be limited to the following: general preparation, preparation for seeding, seed placement, mulching, maintenance, workmanship, field quality control, adjusting, cleaning and protection. State and local laws concerning pollution abatement will be followed. 1.2 Related Specifications 1.2.1 Specification No.PBSR-ALL-CIV-SPC-URS-00000-04001-00 — Site Preparation Stabilization, Soil Management, Earthwork and Backfill 1.2.2 Specification No.PBSR-ALL-CIV-SPC-URS-00000-04008-00 — Re -Vegetation of Disturbed Areas 1.3 Definitions 1.3.1 Owner: Chevron North America Exploration and Production Company 1.3.2 Engineer: Washington Group international, Inc. 1.3,3 Contractor: TBN 1.3.4 Subcontractor: Firm undertaking the scope of work as defined in this Specification 1.3.5 State: Refers to the state of Colorado 1.4 References and Standards The codes, standards and regulations of the following organizations in effect as of August 10, 2007 form a part of this Specification to the extent indicated by the references thereto: 1.4.1 Occupational Safety and Health Act (OSHA), 24, CFR 1926, OSHA Standards for the Construction industry. 1.4.2 Colorado Department of Transportation (CDOT), Standard Specifications for Road and Bridge Construction. 1.4.3 Bureau of Land Management (BLM) — Oil and Gas, Surface Operating Standards for 011 and Gas Exploration and Development. Fourth Edition. Should a conflict be found to exist between any applicable portion of the referenced codes and standards and this Specification, the conflict shall be submitted to the Engineer for resolution before proceeding with the affected work. Confidential: This is Confidential Information. Disclosure by the recipient is therefore subject to the terms of applicable U.S. trade and export control laws and reuulations Any disclosure w ra-export of this information (as defined in the U.S, Re Mations} Is prohibited. Page 4 of 10 URS Washington OMsion SEEDING, HYDRO -MULCHING AND RE -VEGETATION Chevron Contract No.: C537211 Protect No.: 29454 Specification No.: PBSR-ALL-CIV-SPC-URS-00000- 04005-00 Revision No.: 1.01 1.5 Submittals 1.5.1 If requested by the Engineer or its designated representative, furnish an affidavit from each manufacturer or producer certifying that the materials or products delivered to the Project site meet the specified requirements. A. However, such certification shall not relieve the Subcontractor from the responsibility of complying with added requirements specified herein. 1.5.2 Furnish to Engineer or its designated representative, a signed statement certifying that the seed furnished is from a lot that has been tested by a recognized laboratory for seed testing, six months prior to date of delivery. 1.5.3 Samples: Submit to Engineer or its designated representative for review at the Project site, samples of the following: A. Fertilizer: One bag. B. Mulch: One bag. C. Seed: Certification lags. 1.6 Quality Assurance Qualifications: Work to be performed shall be executed by a single firm who specializes and has full knowledge and experience in seeding, mulching and fertilizing and who has satisfactorily performed work of this type on other projects of comparable size and scope as this Project. 1.7 Delivery, Storage, and Handling 1.7.1 Fertilizer Deliver fertilizer to Project site in original unopened containers bearing manufacturers guaranteed chemical analysis, name, trade name, trademark, and compliance with state laws. A. Store fertilizer in a weatherproof location with care to prevent loss of effectiveness. 1.7.2 Seed: Deliver all seed to Project site in sealed, original containers which show an analysis of the seed made by an approved authority. A. Seed shall be fresh stock and labeled in accordance with U.S. Department of Agriculture Rules and Regulations under the Federal Seed Act. B. Upon request of the Engineer or its designated representative, submit two copies of invoices showing type and quantity of seed materials. 1.7.3 Mulch: Do nol use old dry straw that breaks in the crimping process in lieu of bending. A. Such straw will not be accepted, and shall be removed from the Project site. 1.8 Warranty 1.8.1 Work under this Contract shall be under warranty for two years or for not less than one growing season, whichever period Is greater. Confidential: This is Confidential Information. D sclosu,e by the recipient is therefore subject to the terms of applicable U,S. trade and export control laws and regulations. Any disclosure or re export of this information (as defined in Iho U.S. Rulalions) is prohibited. Page 6 of 10 r Confidential: This Is Confidential Information. Disclosure by the recipient Is therefore subject to the terns of applicable U.S. trade and export 1 control taws and regulations, Any dleclosure or re-export of this Information (as defined in the U.S. Regulations) is prohibited. UPS Washington Dmsion SEEDING, HYDRO -MULCHING AND RE -VEGETATION Chevron Contract No.: C537211 Project No.: 29454 Specification No.: PBSR-ALL-CIV-SPC-URS•00000- 04005-00 Revision No.: L01 A. Warranty period shall commence upon acceptance of Work by the Engineer or their designated representative. 1.8.2 Reseed and re -fertilize all areas where there Is not a satisfactory stand of grass at the expiration of a five week period. A. Repeat this process until there Is a satisfactory stand of grass over all areas designated to receive grass. Reseeding and re -fertilizing shall be at the Subcontractor's expense. 2. PRODUCTS 2.1 Materials 2.1.1 Fertilizer: Fertilizer shall be suitable material for the work specified and meet the requirements of Garfield County. 2.1.2 Seed: Seed shall be in accordance with the Garfield County requirements. Seed and seed labels shall comply with all current state and federal regulations and shall be subject to the testing provisions of the association of official seed analysis. A. Provide fresh, clean, new -crop seed complying with the tolerance for purity and germination established by the Official Seed Analysts of North America. B. Provide seed of the grass species, proportions and minimum percentages of purity, germination, and maximum percentage of weed seed specified as follows. 1, Notify the Engineer or their designated representative in writing prior to installing the seed, for review of the following: • Type of seed to be used. • Percentage of purity and germination. • Pounds of pure live seed per pound of seed. C. Seed to conform to the specification PBSR-ALL-CFV-SPC-URS-00000-04008-00 — "Re - Vegetation of Disturbed Areas". D. Furnish seed free from noxious seeds. E. Do not use seed which has become wet, moldy or otherwise damaged in transit or in storage. F. Use only seeds from a lot tested by a recognized laboratory within six months prior to delivery. G. Seed Purity, Germination, and Mixture Proportions shall meet the requirements of Garfield County. 2.1.3 Topsoil: Topsoil shall be in accordance with the County requirements. Use only topsoil without admixture of subsoil or rocks, clean and reasonably free from clay lumps, roots, stones or similar substances 2 inches or more In diameter. Page 6 of 10 URS Washington Durston SEEDING, HYDRO -MULCHING AND RE -VEGETATION Chevron Contract No.: C537211 Protect No.: 29454 Specification No.: PBSR-ALL-CIV-SPC•URS-00000- 04005-00 Revision No.: L01 A. Obtain topsoil from naturally well -drained areas, not excessively alkaline nor containing toxic substances which may be harmful to plant growth. B. If soil needs to be prepared for seed installation, prepare in accordance with the County requirements. 2.1,4 Mulch for Seed: Shall be in accordance with the County for loose mulch, turf mulch blankets, mulch anchoring, and netting for mulching. 2.1.5 Water: Free of matter harmful to plant growth. 2.1.6 Weed Control: Shall be in accordance with Garfield County. 3. EXECUTION 3.1 General 3.1.1 Do not start preparation work until after all related site work including site utilities have been completed, tested and backfilled to the satisfaction of the Contractor or its designated representative within the areas to be fertilized, seeded or mulched. 3.1.2 All construction work shall be in accordance with the Garfield County, and requirements specified herein. 3.2 Preparation for Seeding 3.2.1 Top 4 Inches of Surface: Till and bring to desired line and grade, except where seeding follows so closely behind the initial grading as to make special seedbed preparation unnecessary. 3.2.2 Fertilizer of Type Specified: Apply uniformly at the rate specified by the County for the Class of fertilizer used. Fertilizer shall be placed by broadcast or hydro -methods and meet county requirements 3.2.3 Water dry topsoil to a depth of 4 Inches at least 48 hours prior to seeding to obtain a loose friable seedbed. 3.3 Seed Placement 3.3.1 Condition of Seed: Do not use wet seed or seed which is moldy or otherwise damage in Transit or storage. 3.3.2 Sowing: Sow seed using a spreader or seeding machine. A. Do not seed when wind velocity exceeds five miles per hour. B. Distribute seed evenly over entire area by sowing equal quantity in two directions at right - angles to each other. C. Sow not less than the quantity of seed specified. D. Rake seed lightly Into top 1/8 inch of soil, roll lightly and water with a fine spray to set the seed. Confidential. This is Confidential Information. Disclosure by the recipient is therefore subject to the terms of applicable U.S. trade and export control laws and regulations. Any disclosure or reexport of this information (as defined in the U.S. Regulations) isprohibited. Page 7 of 10 URS Washington Division SEEDING, HYDRO -MULCHING AND RE -VEGETATION Chevron Contract No.: C537211 Project No.: 29454 Specification No.: P BSR-ALL-C1V-SPC-U RS -00000- 04005.00 Revision No.: 1.01 3.3.3 Hydraulic Seeding Equipment: Where permitted by the Engineer or its designated representative, include a pump capable of being operated at 100 gallons per minute and at 100 pounds per square inch pressure. A. Storage Tanks: Shall have a means of agitation and means of estimating the volume used or remaining in the tank. 3.3.4 Application Rates: A. Sow seeds at the rates specified for the turf seed mixture used per requirements of the County. 3.4 Mulching Mulching shall by done by the use of temporary and permanent erosion control blankets as shown on the drawings unless otherwise noted. 3.5 Maintenance Maintain for a period of three months from the date of completion of seeding and mulching. 3.5.1 Begin maintenance of seeded and mulched areas immediately after each area is planted and continue until the Owner's acceptance of the Project. 3.5.2 Maintain seeded and mulched areas by watering, fertilizing, rolling, re -grading, and replanting as required to establish a smooth, acceptable grassed area free of eroded or bare areas. 3.5.3 Replant bare areas using the same materials specified herein. 3.5.4 Watering: Provide and maintain temporary piping, hoses and watering equipment or provide truck watering, as required to convey water from water sources and to keep seeded areas uniformly moist as required for proper growth. A. Arrange watering schedule to avoid walking over muddy and newly seeded areas. B. Use equipment and water to prevent puddling and water erosion and displacement of seed or mulch, if any. 3.5.5 When maintenance Is taken over by the Owner during the guarantee period, the Subcontractor shall periodically Inspect the maintenance operation of the Owner. A. The Subcontractor shall promptly report to the Owner any methods, practices or operations which he considers unsatisfactory, not in accord with his interest or not In accord with good horticultural practices. B. Failure of Subcontractor to inspect and report shall be construed as an acceptance of Engineer operations. 1. No claims from the Subcontractor will be recognized thereafter should any defects develop later that are the result of such methods, practices or operations. Confidential; This is Confidential Information. Disclosure by the recipient is therefore subject to the terms of applicable U.S. trade and export control laws and regulations. Any disclosure or re-export of this information (as defined in the U.S. Regulations) Is prohibited. Page 8 of 10 URS Washington Drvtsion SEEDING, HYDRO -MULCHING AND RE -VEGETATION Chevron Contract No.: C537211 Project No.: 29454 Specification No.: PBSR-ALL-CIV-SPC-URS-00000- 04005-00 Revision No.: L01 3.6 Workmanship 3.6.1 Perform all Work in a careful and orderly manner with due consideration for the protection of adjoining property. 3.6.2 Keep sidewalks, paved areas, and drainage structures clean during installation of Work. 3.7 Field Quality Control 3.7.1 Acceptance for Start of Maintenance: Notify the Contractor or its designated representative of completion of ail seeding required. A. Review of seeded areas will be by the Contractor or Its designated representative, and he will determine whether Work is acceptable and whether the maintenance period can begin. 3.7.2 Final Acceptance: Notify Contractor in writing of completion of the required maintenance. A. Within ten days of owners notification, inspection for final acceptance will be made by a representative for the Contractor and the Subcontractor. t3. For final acceptance the terms of the warranty must be met and the Project site shall be in acceptable clean condition. 3.8 Adjusting and Cleaning 3.8.1 At completion of Work, clean premises of all rubbish, refuse and debris, leaving premises in a clean and orderly condition. 3.8.2 Repair damage done to property on or off premises by reason of required Work without additional cost to the Contractor. 3.9 Protection Restrict foot and vehicular traffic from seeded areas after mulching to the end of the established period. [ Confidential: This is Confidential Information. Disclosure by the recipient is therefore subiect to the terms of applicable U.S. (rade and export conlrot laws and regulations. Any dlsdosure or re-export of this information (as defined in the U.S. Regulations) is prohibited. Page 9 of 10 Confidential: This Is Conffdentiat Information. Disclosure by the recipient is therefore subject to the terms of applicable U.S. trade and export control laws and regulations. Any disclosure or re-export of this Information (as defined in the U.S. Regulations) Is prohibited. URS Washington Dmsion SEEDING, HYDRO -MULCHING AND RE -VEGETATION Chevron Contract No.: C537211 Protect No.: 29454 Specification No.: PBSR-ALL-CIV-SPC-URS-00000- 04005-00 Revision No.: L01 THIS PAGE INTENTIONALLY LEFT BLANK Page 10 of 10 REVIEWED By Tim Teale. P.E. at 9:21 am, Dec 15, 2008 URS Washington Division Piceance Basin Natural Gas Development Project GarfieldlMesa, Colorado IJRS Corporation —Washington Division Project Number 29454 Chevron Contract No.: C53721 Document Number PBSR-ALL-CIV-SPC-URS-00000-04006-00 For FENCES AND GATES Prepared For Chevron Chevron North America Exploration and Production Prepared by URS Washington Division 10550 Richmond Avenue Houston, Texas 77042 Revision: L01 Status: IFA Code 1: Approved Tim Toale 12-17-2008 Confidential: This is Confidential information. Disclosure by the recipient is therefore subyecl to the terms of applicable U.S. trade and export control laws and regulations. Any disclosure or re-export of this Information (as defined in the V.S. Regulations) is prohibited. Confidential: This is Confidential Information. Disclosure by the recipient is therefore subject to the terms of applicable U.S. trade and export 1 control laws and regulations. Any disclosure or re-export of this information (as defined in the U.S. Regulations) is prohibited. URS Washington Division FENCES AND GATES Chevron Contract No.: C537211 Protect No.: 29454 Specification No.: PSSR-ALL-CIV-SPC-U RS -00000- 04008-00 Revision No.: L01 SPECIFICATION REVISION PAGE Project Name: Client: Piceance Basin Natural Gas Discipline: Civil Development Project CHEVRON Revision Signatures }�� 12/09/08 , DapprovedveMzines(SDE) ::9z?e iLiktJ z 12/09/08iti '/ri/i ,-1 12109/08 Checked by Trey Moore Date Ap .roved by :raid Craft (PEM) Date Status No 'ev Date Prepared Pages Description of Changes IDR IFA H01 L01 11114108 12/09/08 GGH GGH ALL ALL Issued for Inter -Discipline review Issue for Approval Page 2 of 21 URS Washington Dry cion FENCES AND GATES Chevron Contract No.: C537211 Project No.: 29454 Specification No.: PBSR-ALL-CIV-SPC•URS.00000- 04006.00 Revision No.: L01 TABLE OF CONTENTS SECTION PAGE 1.0 GENERAL 5 1.1 SUMMARY 5 1.2 CODES AND STANDARDS 5 1.3 DEFINITIONS 5 1.4 GENERAL REQUIRMENTS 6 1.5 SUBMITTALS 6 1.6 PRODUCT DELIVERY, STORAGE, AND HANDLING 6 1.7 ALTERNATIVES: POST ANCHORS 6 2.0 PRODUCTS 6 2.1 MATERIALS 6 2.2 VINYL -COATED STEEL (PVC) 6 2.3 ALUMINUM -COATED STEEL 7 2.4 GALVANIZED STEEL 7 2.5 POSTS AND POST TOPS 7 2.6 TOP RAIL.... 8 2.7 TRUSS BRACES 8 2.8 CHAIN-LINK FABRIC: GALVANIZED, VINYL -COATED, ALUMINUM -COATED 8 2.9 STRETCHER BARS AND ASSOCIATED BANDS 8 2.10 TIE WIRES 8 2.11 TENSION WIRE.... 8 2.12 SWING GATES 8 2.13 FITTINGS 9 2.14 CONCRETE 9 2.15 GROUT 9 Confidential: This is Confidential Information. Disclosure by the recipient is therefore subject to the terms of applicable V.S. hada and export oonlrol laws and re_yulations. Any disclosure or re-export of this Information jos defined In the U.S. Requlallons) Is prohibited. Page 3 of 21 DRS Washington Division FENCES AND GATES Chevron Contract No.: 0537211 Project No.: 29454 Specification No.: PBSR-ALL-CIV-SPC-U RS -00000- 04006.00 Revision No.: L01 2.16 PIPE SOCKET BASE 9 217 ANGLE BAR ANCHORS 9 2.18 BITUMINOUS PAINT 9 2.19 LEAD WOOL CAULKING 9 2.20 BARBED WIRE 10 3.0 EXECUTION 10 3.1 INSPECTION 10 3.2 PREPARATION 10 3.3 ERECTION 10 4.0 TABLES 12 Table 1: Schedule of Post, Rail, and Gate Frame Material 13 Table 2: Schedule of Post, Rail, and Gate Frame Material 15 Table 3: Tie Wire Schedule 16 Table 4: Schedule of Post Foundation Depths 16 5.0 APPENDIX: DETAILS 17 Figure 1: P -02710A -Fences and Gates 17 Figure 2: P -02710B -Fences and Gates 18 Figure 3: P -02710C -Fences and Gates 19 Figure 4: P -02721 -Guardrails 20 Confidential: This is Confidential Information. Disclosure by the recipient is therefore subject to the terms of applicable U.S. trade and export control laws and regulations. Any_disclosure or re-export of this information (as defined in the U.S. Regulations) isprohibited. Page 4 of 21 ORS Washington OMsIon FENCES AND GATES Chevron Contract No.: C537211 Project No.; 29454 Specification No.: PBSR-ALL-CIVSPC-URS-00000- 04006.00 Revision No.: L01 1.0 GENERAL 1.1 SUMMARY 1.1.1 This section defines the requirements for the Installation of chain-link fences and gates. 1.2 CODES AND STANDARDS 1.2.1 Specifications 12-0-011 Concrete Selection and Design Grounding Design Criteria 1.2.2 Details P -02710A Fences and Gates P -02710E Fences & Overhead Sliding Gates P -02710C Fences & Overhead Sliding Gates P -02721A Guardrails 1.2.3 ASTM ASTM A 531A 53M Standard Specification for Pipe, Steel, Black and Hot -Dipped, Zinc -Coated, Welded and Seamless ASTM A 121 Standard Specification for Metallic -Coated Carbon Steel Barbed Wire ASTM A 123/A 123M Standard Specification for Zinc (Hot -Dip Galvanized) Coatings on Iron and Steel Products ASTM A 153/A 153M Standard Specification for Zinc Coating (Hot -Dip) on Iron and Steel Hardware ASTM A 392 Standard Specification for Zinc -Coated Steel Chain -Link Fence Fabric ASTM A 491 Standard Specification for Aluminum -Coated Steel Chain -Link Fence Fabric ASTM A 585 Standard Specification for Aluminum -Coated Steel Barbed Wire ASTM A 641/A 641 M Standard Specification for Zinc -Coated (Galvanized) Carbon Steel Wire 1.3 DEFINITIONS 1.3.1 Owner: Chevron North America Exploration and Production 1.3.2 Engineer: Washington Division, URS Confidential: This is Confidential Information. Disclosure by the recipient Is therefore subject to the terms of applicable U.S. trade and export control laws and regulations. Any disclosure or re-export of thls information (as defined in the U.S. Regulations) is prohibited. Page 5 of 21 URS Washington DnnsIon FENCES AND GATES Chevron Contract No.: C537211 Protect No.: 29454 Specification No.: PBSR-ALL-CIV-SPC-URS-00000- 04008.00 Revision No.: L01 1.3.3 Contractor: TBD 1.3.4 Subcontractor Firm undertaking the scope of work as defined in this Specification. 1.3.5 State: Refers to the State of Colorado 1.4 GENERAL REQUIRMENTS 1.4.1 Subcontractor shall comply with all contract documents. 1.4.2 Grounding to be done by others. 1.5 SUBMITTALS 1.5.1 Subcontractor shall provide the following: A. Three samples of approximately 6 In. (15.24 cm) square of fabric material, post section, and typical accessories for Contractors approval prior to start of installation. Shop drawings are not required, B. Mill certifications listing compliance with zinc coatings, weights, Polyvinyl Chloride (PVC) coating types and material lot source. 1.6 PRODUCT DELIVERY, STORAGE, AND HANDLING 1.6.1 Contractor shall deliver materials with manufacturer's tags and labels intact and handle and store materials so as to avoid damage. 1.7 ALTERNATIVES: POST ANCHORS 1.7.1 Subcontractor shall provide separate alternate proposal where posts are set with angle bar anchors (Section 5 3 1 _ Item 'I ). 2.0 PRODUCTS 2.1 MATERIALS 2.1.1 General A. Subcontractor shall install new material only: un -rejected, undamaged, and properly coated. B. Posts, rails, and swing -gate frames shall be installed in accordance with Tables 1 and 2, Schedule of Post, Rail, and Gate Frame Material. C. Sliding gates, overhead and cantilever, shall be installed in accordance with Details P- 02710 -A, B, and C referenced in Section 1.2 (see Appendix). 2.2 VINYL -COATED STEEL (PVC) 2.2.1 Steel framework shall consist of posts, top rail braces, truss rods, gate frames, and connecting fittings coated outside 10-15 mils (254-381 microns) thick with Woodland Green PVC, applied by Confidenliel: This is Confidential Information. Disclosure by the recipient is therefore subject to the terms of applicable U.S. trade and export conl rot laws and regulations. Any disclosure or ro-export of This information (as defined in the U.S. Regulations), is prohibited. Page 6 of 21 Washington Drnsron FENCES AND GATES Chevron Contract No.: C537211 Project No.: 29454 Specification No.: PBSRALL-CIV-SPC•URS-00000- 04006.00 Revision No.: L01 fusion method over thermoset plastic bonding agent. (Note: Hinges, latches, and other moving parts are not vinyl -coated.) 2.2.2 Steel fabric, tension wire, and barbed wire shall be uniformly galvanized in accordance with ASTM A 641/A 641M and coated with dark Woodland Green PVC, applied by fusion method over thermoset plastic bonding agent. Cut ends shall be coated with vinyl during weaving process. 2.2.3 Barbed wire shall consist of PVC fusion -bonded line wires with aluminum barbs. 2.2.4 Fencing components with PVC fused evenly shall be free of blisters, undispersed pigments, stabilizers, or other discrete particles and have a minimum specific gravity of 1.3. Bond between vinyl coating and metals shall be equal to or greater than cohesive strength of vinyl. 2.3 ALUMINUM -COATED STEEL 2.3.1 Steel fabric and tension wire shall be coated with a minimum of 0.40 oz of aluminum per ft2 (12.73 cm3/m2) of uncoated wire surface in accordance with ASTM A 491. Clear paint shall be applied after the fabric Is woven to prevent premature discoloration of wires and rusting of cut ends. 2.3.2 Steel barbed wire shall be coated with a minimum of 0.30 oz of aluminum per ft2 (9.55 cm3/m2) of uncoated wire surface—with all aluminum barbs in accordance with ASTM A 585, Class 2. 2.3.3 Other associated hardware shall be in accordance with Section 4.1.3, "Galvanized Steel." 2.4 GALVANIZED STEEL 2.4.1 Galvanized steel framework may be used with galvanized PVC -coated or aluminum -coated fabric; tension wire; and barbed wire. 2.4.2 Steel framework shall consist of posts, top rail, braces, truss rods, gate frames, and connecting fittings and tension wire coated inside and outside in accordance with following specifications: A. Pipe -ASTM A 53/A 53M B. Tubing -1.5 oz zinc per ft2 (47.75 cm3/m2) of uncoated steel surface C. Hardware -ASTM A 153/A 153M D. Square and Rolled Posts -ASTM A 123/A 123M 2.4.3 Steel fabric and tension wire shall be galvanized in accordance with ASTM A 392, Class 2, (2 oz of zinc per 1t2 [63.67 cm3/m2])• 2.4.4 Barbed wire shall be galvanized in accordance with ASTM A 121, Class III, 2.4.5 Steel shall be galvanized by hot dip after rolling, forming, or weaving of the fence component. 2.5 POSTS AND POST TOPS 2.5.1 The posts shall be closed -seam or seamless tubular posts equipped with a closed top unit, including top -rail carrier and apron securely fitted around the outside of the post. 2.5.2 End -posts shall be complete with necessary fittings, including one compression brace bar and one truss rod with adjustable takeup. Confidential: This is Confidential Information. Disclosure by the redplent is therefore subject to the terns of applicable W.S. trade and export control laws and regulations. Any disclosure or re -expo( of this Information (as defined In the U.S. Regulations} Is prohibited. Page 7 of 21 Confidential; This is Confidential Information, Disclosure by the redptent Is therefore subject to the terms of applicable U.S. trade and export control laws and regulations. Any disclosure or re-export of this information (as defined In the U.S. Regulations) is prohibited. J URS Washington Division FENCES AND GATES Chevron Contract No.: 0537211 Project No.: 29454 Specification No.: PBSR-ALL-CIV-SPC-URS-00000- 04006-00 Revision No.; 1.01 2.5.3 Comer and pull posts shall be complete with necessary fittings, including two compression brace bars and two truss rods with adjustable takeup. 2.5.4 Note: Open -typo posts (such as C -Posts, H -Beams, and I -Beams) do not require a post top unless the top rail is specified, 2.6 TOP RAIL 2.6.1 The top rail shall be a closed -seam or seamless top rail to form continuous brace from end to end of fence and be securely fastened to the gate, terminal, end, comer, and pull posts, Couplings shall be of outside sleeve type, approximately 7 in. (17.78 cm) long, spaced approximately 20 ft (6.10 m) apart, with one coupling in five fitted with a heavy spring to provide expansion and contraction in top rail. 2.7 TRUSS BRACES 2.7.1 The compression brace bar 1 518 in. (4.13 cm) O.D. truss bar shall have 5118 In. (0,79 cm) minimum diameter steel tension truss rods with adjustable takeup, brace bands, tension bands, or comer connections for attaching the braces and truss rods to the posts. 2.8 CHAIN-LINK FABRIC: GALVANIZED, VINYL -COATED, ALUMINUM -COATED 2.8.1 The chain-link fabric shall meet the following requirements: A. Minimum height 8 ft (2.44 m) unless modified In Contract Documents; woven in one piece for widths up to maximum 12 ft (3.66 m) B. Uniform 2 in. (+ 1!8 in.) [5.08 cm (+ 0.32 cm)] diamond mesh woven of #9 finished gauge steel wire with 1200 Ib minimum breaking strength C. Twisted and barbed selvage on one edge and knuckled on the other; barbs formed by cutting wire on bias 2.9 STRETCHER BARS AND ASSOCIATED BANDS 2.9.1 Stretcher bars shall be in one piece, equal to the full fabric height and a minimum 311$ in. x 314 in, (0.48 cm x 1.91 cm) section; associated bands shall be a minimum 1f8 in. x 314 in. (0.318 cm x 1.91 cm) section, both in heavy pressed steel or malleable iron. 2.10 TIE WIRES 2.10.1 Tie wire and hog rings for attaching fabric to posts, rails, and tension wire shall be in accordance with Table 3, Tie Wire Schedule. 2.11 TENSION WIRE 2.11.1 Tension wire shall be a minimum 7 -gauge coiled -spring steel wire coated to match fabric ffnish.in addition at the Evaporation Pond location, the use of a woven wire cloth 1" mesh type 304 stainless steel MCMASTER-CARR or approved equal Is to be placed 24" below grade and 18" above grade. 2.12 SWING GATES 2.12.1 Swing gates shall meet the following requirements: Page 8 of 21 URS Washington DMsrOn FENCES AND GATES Chevron Contract No.: C537211 Project No.: 29454 Specification No.: PBS R -ALL -CIV -SPC -URS -00000- 04006-00 Revision No.: L01 A. Same height and coating as fence fabric, constructed of 1.900 in.(4.83 cm) O.D. steel pipe or 2 in. (5.08 cm) square materials, In accordance with Tables 1 and 2, Schedule of Post, Rail, and Gate Frame Material B. Corners welded on galvanized steel gates and fastened by specially designed corner fittings on vinyl -coated gates. Coating shall protect external weld surface liable to corrode. C. Fabric matching fence fabric, attached to gate frame by tension rods and hook bolts on four sides or vertical stretcher bars and associated bands with tie wires at top and bottom edges D, Frame rigidity held without sag or twist by 318 in. (0.95 cm) diameter adjustable diagonal truss rods, horizontal center rails, or vertical center uprights as appropriate E. Gate completely equipped with: 1. Two hinges per gate leaf, non -lift-off type and permitting 180 -degree (3.14 rad) gate opening 2. Fork -type latch (single leaf) or center -drop bar (double leaf), both of which can be operated or padlocked from either side 3. Plunger bar catch, complete (double leaves only) 2.13 FITTINGS 2.13.1 The fittings shall be of malleable Iron or pressed tubular, or bar stool. 2.14 CONCRETE 2.14.1 Concrete shall have a minimum 28 -day compressive strength of 3000 psi (20.10 MPa). 2.15 GROUT 2.15.1 Grout shall consist of one part Portland cement and two parts clean, well -graded sand. 2.16 PIPE SOCKET BASE 2.16.1 The pipe socket base shall be galvanized, fitted to post at base where set in masonry; 42 in. (106.68 cm) and 48 in. (121.92 cm) lengths. 2.17 ANGLE BAR ANCHORS 2.17.1 Angle bar anchors shall be of 11/2 in. x 11/2 in. x 1/4 in. x 30 in. (3.81 cm x 3.81 cm x 0.64 cm x 76.20 cm) long, cold -rolled iron. 2.18 BITUMINOUS PAINT 2.18.1 Bituminous paints shall be Black Asphalt Paint, Valspar coatings, or equal. 2.19 LEAD WOOL CAULKING 2.19.1 Lead wool caulking shall be string -shredded, pure metallic lead wool. Confidential: This is Confidential Information. Disclosure by the recipient is therefore Subject to the terms of applicable U.S. trade and export control laws and regulations. Any disclosure or re-expod of this Information (as defined In the U.S. Regulations) Is prohibited. Page 9 of 21 URS Washington Division FENCES AND GATES Chevron Contract No.: C537211 Project No.: 29454 Specification No.: PBSR-ALL-CIV-SPC-URS-00000- 04006-00 Revision No.: L01 2.20 BARBED WIRE 2.20.1 Barbed wire shall meet the following requirements: A. High security -type, two -strand, twisted steel wire—each strand 0.099 in. (0.25 cm) diameter; four -point 14 -gauge barbs spaced not more than 3 In. (7.62 cm) apart B. Barbed wire extension arrns-45-degree (0.79 rad) angle post mounted, fitted to carry three equally spaced rows of barbed wire; adds approximately 1 ft (0.30 m) to fence height C. Extension arms are to be constructed of malleable iron, pressed steel, or aluminum finished to match fabric D. Note: Vertical barbed wire extension arms on gates adding 1 ft (0.30 m) in height to gate frame. 3.0 EXECUTION 3.1 INSPECTION 3.1.1 Subcontractor shall verify that final grading In the fence location is completed with no irregularities that would interfere with fence installation. 3.1.2 Subcontractor shall not commence Work until unsatisfactory conditions have been corrected. 3.2 PREPARATION 3.2.1 Subcontractor shall: A. Measure and layout complete fence line parallel to surface of ground B. Locate and mark the positions of line posts at equal distance spacing, maximum 10 ft (3.0 m) centers C. Locate corner pull posts at positions where the fence changes direction more than 30 degrees (0.52 rad) 0. Bend top rail (when specified) true to curves of less than 500 ft (152.40 m) radius E. Locate pull posts in line positions at equal distance spacing maximum 500 ft (152.40 rn) intervals or where changes in horizontal alignment or grade alignment occur 3.3 ERECTION 3.3.1 Posts A. Subcontractor shall Install posts as follows: 1. Set posts vertical to within 8 in. (20.32 cm) in 10 ft (3.05 m), true to line and grade in concrete bases, pipe sleeves, or sockets in masonry walls or with angle bar anchors in accordance with Section 3.3. 2. Brace corner and pull posts to both adjoining line posts 3. Brace end and gate posts to adjoining line post 4. Stop chain-link fabric at terminal posts and attach 10 terminal posts as follows: r Confidential: This fs Confidential Informalion. Disclosure by the recipient is therefore subject to the terms of applicable U.S. trade and export _ control laws and regulations. Any disclosure or re-export of this information as defined in the U.S. Regulations) is prohibited. Page 10 of 21 URS Washington Division FENCES AND GATES Chevron Contract No.: C537211 Protect No.: 29454 Specification No.: PBSR-ALL-CIV-SPC-URS•00000- 04006-00 Revision No.: L01 a. Square Terminal Posts: Attach fabric by means of tension bar held in place by specially designed clips b. Pipe Terminal Posts: Attach fabric by means of bands, minimum 7181n. (2.22 cm) wide, spaced at 15 in.(38.10 cm) Intervals c. Rolled (Channel C) Terminal Posts: Weave fabric into loops stamped Into post 3.3.2 Fondation Bases (Post) A. Subcontractor shall: 1. Drill a base hole in solid rock 1 in. larger in diameter than the largest dimension of post section to be set and fill annular space after post is set with grout to the depth specified in Table 4, Schedule of Post Foundation Depths 2. Set bases in combination solid rock and overburden to the full depth specified in Table 4 unless penetration into solid rock reaches minimum depth first, grouting post in ledge and installing concrete footing from ledge to finished grade 3. In firm or undisturbed soil. Set bases to the full depths specified in Table 4 4. At masonry walls, set bases into embedded galvanized pipe socket, inside and outside surface liable to corrode painted with bituminous paint, or grout into place with appropriate fast -setting cement and caulked with lead wool 5. Assure rigid, secure fence installation where bases are set in wet conditions 6. Crown concrete base tops by 2 in. (5.08 cm) to shed water 3.3.3 Tension Wire A. Bottom: 1. Subcontractor shall Install one continuous length of tension wire that passes through the bottom mesh of fence fabric between pull posts and tied to pull posts before stretching the fabric. B. Top: 1. Subcontractor shall Install one continuous length of tension wire between pull posts and secured to pull posts and connected to fine posts within 6 in. (15.24 cm) of the top of the fence fabric to tension wire with hog rings at 24 In. (60.96 cm) intervals. 3.3.4 Fence Fabric A. Subcontractor shall: 1. Stretch the fabric taut between terminal posts and fasten it securely to posts, rails, and tension wires. (Note: Do not stretch by motor vehicle; use proper equipment secured to pull posts.) 2. Fasten to end, corner, pull, and gate posts by integrally weaving fabric into post or by stretcher bars and associated bands spaced at 12 in. (30.48 cm) intervals 3. Install fabric on the side of posts away from the area being protected except on curved layouts where fabric is installed on the side of the post on the outside of the curve. Confidenlial: 3 his is Confidential information. Disclosure by the recipient 15 therefore subject to the terms of applicable U.S. trade and export control taws and mutations. Anidisclosure or re-export of this information (as defined fn the U.S. Regulations) Is prohibited. Page 11 of 21 URS Washington Durston FENCES AND GATES Chevron Contract No.: C537211 Project No.: 29454 Specification No.: PBS R -ALL -CIV -SPC -URS -00000- 04006-00 Revision No.: L01 4. Cut fabric to form one continuous piece between and attached independently at pull, corner, end, and gate posts or join ends of fabric by weaving a single strand of fabric wire to form a continuous mesh pattern 5. Erect individual barriers at depressed openings to maintain a secure, Impenetrable perimeter at the areas where the fence runs through drainage ways 6. Leave approximately 2 in. (5.08 cm) between finished grade and' bottom selvage 3.3.5 Barbed Wire A. Subcontractor shall: 1. Install three taut rows of barbed wire, supported on 45 -degree (0.79 rad) angle extension arms which are inclined upward and outward from area being protected 2. Incline 45 -degree (0.79 rad) extension arms toward the area being protected where outward inclination would infringe on property of others 3. Install vertical barbed wire extension arms on the gates 3.3.6 Swing Gates A. Subcontractor shall Install swing gates as follows: 1. Fasten fabric to gate frames in accordance with Section 4.9 (Rem 3) 2. Match gate frame top rails to height of fence top rail 3. Install bottom rail of gate to swing clear of finished grade for full 180 -degree (3.14 rad) swing 3.3.7 Miscellaneous A. Subcontractor shall install nuts for stretcher band and hardware bolts on side of posts facing the area being protected. B. All hardware must be adjusted and lubricated as necessary for smooth operation. 4.0 TABLES 4.1.1 This Section includes four tables containing Schedules referred to throughout this Specification. Confidential: This is Confidential Information. Disclosure by the recipient is therefore subject to the terms of applicable U.S. trade and export control laws and regulations. Any disclosure or re-export of this information (as defined in the U.S. Regulations} is prohibited. Page 12 of 21 Chevron Contract No.: C537211 Project No.: 20454 Specification No.: P BSR-ALL-CIV-SPC-tJ RS -00000- 04006-00 URS Washington Dnaston FENCES AND GATES Revision No.: L01 Table 1: Schedule of Post, Rail, and Gate Frame Material Galvanized Steel and (1) Aluminum Alloy 6063-T6 Component Dimensions Shape Iblft (kg/m) Line Post Max. 6 ft (2.44 m) fabric 1.875 in. x 1.625 in. C -Post 2.34 height (4.763 cm x 4.128 cm) (3.482) 1.875 in. x 1.625 in. H -Beam 2.72 (4.763 cm x 4.128 cm) (4.048) 2.375 in. O.D. Pipe 3.65 (6.033 cm O.D.) (5.432) 2.250 in. x 1.875 In. H-Beam(1) 1.26 (5.715 cm x 4.763 cm) (1.875) Over 6 ft (2.44 m) fabric 2.250 in. x 1.703 In. C -Post 2.73 height (5.715 cm x 4.326 cm) (4.063) 2.250 in. x 1.875 In. H -Beam 4.10 (5.715 cm x 4.763 cm) (6.102) 2.375 in. O.D. Pipe 3.65 (6.033 cm O.D.) (5.432) 2.250 in. x 1.875 In. H-Beam(1) 1.26 (5.715 cm x 4.763 cm) (1.875) End, Corner, and Pull Posts 2.500 In. x 2.500 in. Square 5.10 (6.350 cm x 6.350 cm) (7.590) 3.500 In. x 3.500 In, **Channel 5.14 (8.890 cm x 8.890 cm) (7.649) 2.875 in. Q.D. Pipe 5.79 (7.303 cm O.D.) (8.617) Note: ** denotes maximum 12 ft (3.658 m) fabric height. Gate Posts, single leaf width Max. 6 ft 2.500 in. x 2.500 in. Square 5.10 (1.829 m) (6.350 cm x 6.350 cm) (7.590) 3.500 In. x 3.500 in. Channel 5.10 (8.890 cm x 8.890 cm) (7.590) 2.875 in. Q.D. Pipe 5.79 (7.3035 cm O.D.) (8.617) 3.000 in. x 3.000 In. I -Beam 6.50 (7.620 cm x 7.620 cm) (9.670) Confidential: This is Confidential Information, Disclosure by the recipient is therefore subiect to the terms of applicable U.S.. trade and export control laws and regulations. Any disclosure or re-export of this information (as defined in the U.S. Regulations) is prohibited. Page 13 of 21 URS Washington DMsion FENCES AND GATES Chevron Contract No.: C537211 Project No.: 29454 Specification No.: PBSR-ALL-CIV-SPC-URS-00000- 04006-00 Revision No.: 1.01 Component Dimensions Shape Iblft (kg/m) 6 ft to 12 ft 4.000 in. O.D. Pipe 9.11 (1.829 m to 3.658 m) (10.160 cm x 10.160 cm) (13.557) 3.000 in. x 3.000 in. Square 9.10 (8.890 cm x 8.890 cm) (13.543) 4.000 in. x 4.000 In. H -Beam 11.56 (10.160 cm x 10.160 cm) (17.203) 12 ft to 19 ft 6.625 In. O.D. Pipe 18.97 (3.658 m to 5.791 m) (16.828 cm O.D.) (28.230) 19 ft to 23 ft 8.625 In. O.D. Pipe 24.70 (5.791 m to 7.01 m) (21.908 cm O.D.) (36.758) 23 ftto 30 ft 10.750 in. O.D. Pipe 31.20 (7.010 m to 9.144 m) (27.305 cm O.D.) (46.431) Top and Bottom Rails 1.625 in. O.D. Tubing 1.35 (4.128) (2.010) 1.625 in. x 1.250 in. Channel 1.35 (4.128 cm x 3.175 cm) (2.010) 1.660 in. O.D. Pipe 2.27 1 (4,216 cm O.D.) (3.378) 1.500 in. x 1.500 in. 1 -Beam 2.27 (3.810 cm x 3.810 cm) (3.378) Swing Gate Frame 2.000 in. x 2.000 in. Square 2.72 (5.080 cm x 5.080 cm) (4.048) 1.900 in. O.D. Pipe 2.72 (4.826 cm O.D.) (4.048) Confidential: This is Confidential Information. Disclosure by the recipient is therefore subject to the terms of applicable U.S. trade and export I control laws and regulations. Any disclosure or re-export of this information (as defined In the U.S. Regulations) is prohibited. Page 14 of 21 URS Washington Division FENCES AND GATES Chevron Contract No.: C537211 Project. No.: 29454 Specification No,: PBS R -ALL -CIV -SPC -URS -00000- 04006-00 Revision No.: L01 Table 2: Schedule of Post, Rail, and Gate Frame Material Vinyl Coated Steel, except Aluminum Swing Gate Component Dimensions Shape Ib/ft (kg/m) Line Post Max. 8 ft (2.44 m) fabric height 1.875 in. x 1.625 in. C -Post 2.34 (4.763 cm x 4.128 cm) (3.482) Over 8 ft (2.44 m) fabric height 2.250 In. x 1.703 in. C -Post 2.73 (5.715 cm x 4.326 cm) (4.063) End, Corner, and Pull Posts 2.500 in. x 2.500 In, Square 5.10 (6.350 cm x 6.350 cm) (7.590) Gate Posts, single leaf width Max. 6 ft 2.500 in. x 2.500 in. Square 5.10 (1.829 m) (6.350 cm x 6.350 cm) (7.590) 6 ft to 12 ft 4.000 in. O.D. Pipe 9.11 (1.829 m to 3.658 m) (10.160 cm O.D.) (13.557) 12 ftto 19 ft 6.625 In, O.D. Pipe 18.97 (3.658 m to 5.791 m) (16.828 cm Oa) (28.230) 19 ft to 23 ft 8.625 in. O.D. Pipe 24.70 (5.791 m to 7.01 m) (21.908 cm O.D.) (36.758) 23 ft to 30 ft 10.750 in. O.D. Pipe 31.20 (7.010 m to 9.144 m) (27.305 cm O.D.) (46.431) Top and Bottom Rail 1.625 in. O.D. Tubing 1.35 (4.128 cm O.D.) (2.009) Swing Gate Frame 2.000 in. x 2.000 in. Square (1)Vinyi-Coated Aluminum (5.080 cm x 5.080 cm) Confidential: This Is Confidential Information. Disclosure by the recipient Is therefore subject to the terms of applicable U.S. trade and export control laws and regulations. Any disclosure or re-export of this information (as defined in the U.S. Regulations) is prohibited. Page 15 of 21 Washington Drvtsion FENCES AND GATES Chevron Contract No.: C537211 Project No.: 29454 Specification No.: PBSR-ALL-CIV-SPC-URS-00000- 04006-00 Revision No.: L01 Table 3: Tie Wire Schedule Component Size and Material Fabric Tie Wire Spacing Post H -Beam 6 gauge steel 12 in. (30.48 cm) on centers Tubular 9 gauge steel 15 in. (38.10 cm) on centers Rails and Braces 9 gauge aluminum 13 gauge steel 24 In. (60.96 cm) on centers 24 in. (60.96) on centers (Double Wrap) Tension Wire 11 gauge hog ring 24 in. (60.96 cm) on centers Note: Tie wire and hog ring coatings to match fabric finish Table 4: Schedule of Post Foundation Depths Foundation Condition Fence Component Solid Rock Without Overburden Solid Rock with Overburden Soil and Masonry Line Post 14 In. (35.56 cm) minimum 14 in. (35.56 cm) minimum in solid rock or 42 in. (106.68 cm) below finished grade a) b) c) 10 in. (25.40 cm) diameter concrete - 42 in. (106.68 cm) two 11/2 in. x 11/2 in. x 30 in. (3.81 cm x 3.81 cm x 76.20 cm) angle anchors galvanized pipe socket - 42 in. (106.68 cm) End, Corner, Gate, and Pull Posts 20 in. (50.80 cm) minimum 20 in. (50.8 cm) minimum in solid rock or 48 in. (121.92 cm) below finished grade b) c) 12 In. (30.48 cm) min. diameter concrete - 48 in. (121.92 cm) two 11/2 in. x 11/2 in. x 30 in. (3.81 cm x 3.81 cm x 76.20 cm) angle anchors galvanized pipe socket - 48 in. (121.92 cm) Confidential: This is Confidential Information. Disclosure by the recipient Is therefore subject to the terms of applicable U.S. trade and export control laws and regulations. My disclosure or re-export of this information (as defined in the U.S. Regulations) is prohibited. Page 16 of 21 URS Washington Division FENCES AND GATES Chevron Contract No.: C537211 Project No.: 29454 Specification No.: PBSR-ALL-CI V -S PC -URS -00000- 04006-00 Revision No.: L01 5.0 APPENDIX: DETAILS Figure 1: P -02710A -Fences and Gates 35 in.) THE APPROPRIATE SCALE RATIO CAN BE SUBSTITUTED FOR SITE w r Confidential: This is Confidential Information. Disclosure by the recipient is therefore subject to the terms of applicable U.S. trade and export control laws and regulations. Any disclosure or re-export of this information as defined in the U.S. Regulations) is prohibited. Page 17 of 21 URS Washington Dinsron FENCES AND GATES Chevron Contract No.: C537211 Protect No.: 29454 Specification No.: PBSR-ALL-CI V -SPC -URS -00000- 04006.00 Revision No.: L01 Figure 2: P -02710B -Fences and Gates Confidential: This is Confidential Information. Disclosure by the recipient Is therefore subject to the terms of applicable U.S. trade and export control laws and re • ulations. An disclosure or re-exrt of this Information as defined in the U.S. Re • ulations is . rohibited. Page 18 of 21 URS Washington Division FENCES AND GATES Chevron Contract No.: C537211 Project No.: 29454 Specification No.: PBSR-ALL-CIV-SPC-U RS -00000- 04006.00 Revision No.: L01 Figure 3: P -027100 -Fences and Gates s9 i Confidential: This is Confidential Information. Disclosure by the recipient Is therefore sublecl to the terms of applicable U.S. trade and export control laws and re.ulations. An disclosure or re•ex. •rt of this information as defined in the U.S. Rerulafions is .rohibited. Page 19 of 21 UR.S Weslnngton Division FENCES AND GATES Chevron Contract No.: C537211 Project No.: 29454 Specification No.: PBSR-ALL-CI V -SPC -URS -00000- 0400s.00 Revision No.: 101 Figure 4: P -02721 -Guardrails Confidential: This is Confidential Information. Disclosure by the recipient Is therefore subject to the terms of applicable U.S. trade and export control laws and regulations. Any disclosure or re-export of this information (as defined in the U.S. Regulations) Is prohibited. Page 20 of 21 URS Washington Dtwsion FENCES AND GATES Chevron Contract No.: C537211 Project No.: 29454 Specification No.: PBSR-ALL-CIV-SPC-URS-00000- 0400640 Revision No.: 1.01 Confidential: This is Confidential Information. Disclosure by the recipient Is therefore subject to the terms of applicable U.S. trade and export control laws and regulations. My disclosure or re-export of this Information (as defined in the U.S. Regulations) is prohibited. Page 21 of 21 REVIEWED By Tim Toale, P.P. at 11:51 am, Dec 15, 2008 URS Washington Division Piceance Basin Natural Gas Development Project Garfield/Mesa, Colorado URS Corporation —Washington Division Project Number 29454 Chevron Contract No.: C53721 Document Number PBSR-ALL-CIV-SPC-URS-00000-04008-00 For RE -VEGETATION OF DISTURBED AREAS Prepared For Chevron Chevron North America Exploration and Production Prepared by URS Washington Division 10550 Richmond Avenue Houston, Texas 77042 Revision: L01 Status: PFA Code 1: Approved Tim Toale 12-17-2008 Confidential: This is Confidential Information. Disclosure by the recipient is therefore subject to the terms of applicable U.S. trade and oxport control laws and regulations. Any disclosure or re e port of this information (as defined in the U.S. Regulations) is prohibited. URS Washington Divistan RE -VEGETATION OF DISTURBED AREAS Chevron Contract No.: C537211 Protect No.: 29454 Specification No.: PBSR-ALL-CI V -SPC -U RS -00000- 04008-00 Revision No.: L01 SPECIFICATION REVISION PAGE Project Name: Client: Piceance Basin Natural Gas Discipline: Civil Development Project CHEVRON Revision Signatures _ 1 12109108 � ` 12109108 Prepared by Harvey Date pproved by ICI i( - /rrp-ri--�1 12109108407 ve Mezines (SDE) Issue Date 12/09/08 Checked by Trey Moore Date ' pproved by H old Craft (PEM) Date Status Noy' o Date Prepared Pages Description of Changes IDR IFA H01 L01 11/14/08 12/09/08 GGH GGH ALL ALL Issue for Inter -Discipline Review Issued for Approval I Confidential: This is Confidential Information. Disclosure by the recipient is therefore subject to the terms of applicable U.S. trade and export control laws and regulations. Any disclosure or re -wiped of this information (as defined in the U.S. Regulations) is prohibited. Page 2 of 11 URS Washington Orwtsion RE -VEGETATION OF DISTURBED AREAS Chevron Contract No.: C537211 Project No.: 29454 Specification No.: PBSR-ALL-CI V -SPC -URS -00000- 04009.00 Revision No.: 1.01 TABLE OF CONTENTS SECTION PAGE 1.0 GENERAL 4 1.1 Scope 4 1.2 Related Specifications 1.3 Definitions 4 1.4 References, Standards, and Guidance 4 1.5 Submittals 5 1.6 Quality Assurance 5 1.7 Delivery, Storage, and Handling 5 1.8 Warranty 5 2.0 PRODUCTS 6 2.1 Materials 6 3.0 EXECUTION . 7 3.1 General 7 3.2 Seeding Methods for Slopes Less than 3% 7 3.3 Seeding Methods for Slopes Greater than 3% 8 3.4 Mulching 8 3.5 Maintenance 8 3.6 Workmanship 9 3.7 Field Quality Control 9 3.8 Adjusting and Cleaning 9 3.9 Protection 9 Attachment 1: Seed Mixes for Environments above 7000 ft 10 Confidential: This is Confidential Information, Disclosure by the recipient is therefore subject to the terms of applicable U.S. trade and export control laws and regulations. Any disclosure or re-export of this information as defined in the U.S. ReguIaliona) is prohibited. Page 3 of 11 URS Washington Durston RE -VEGETATION OF DISTURBED AREAS Chevron Contract No.: C537211 Protect No.: 29454 Specification No.: PBSR-ALL-CIV-SPC-URS-00000- 04008.00 Revision No.: L01 1.0 GENERAL 1.1 Scope This Specification covers the site conditions, materials and construction requirements for native grass seeding for the Chevron Piceance Basin Natural Gas Development Program. Services for this work shall consist of, but not necessarily be limited to the following: general preparation, preparation for seeding, seed placement, mulching, maintenance, workmanship, field quality control, adjusting, cleaning and protection. State and local laws concerning pollution abatement will be followed. 1.2 Related Specifications 1.2.1 Specification: PBSR-69822DVF-CIV-SPC-URS-00000-04001-00 -Site Preparation 1 Stabilization, Soil Management, Earthwork and Backfill 1.2.2 Specification: PBSR-69822DVF-CIV-SPC-URS-00000-04005-00 —Seeding, Hydro -Mulching and Re -Vegetation 1.3 Definitions 1.3.1 Owner: Chevron North America Exploration and Production Company 1.3.2 Engineer: Washington Group International, Inc. All references to Engineer refer to the Engineer or his/her designated representative. 1.3.3 Contractor: TBN 1.3.4 Subcontractor: Firm undertaking the scope of work as defined In this Specification 1.3.5 State: Refers to the state of Colorado 1.4 References, Standards, and Guidance The codes, standards, regulations, and guidance documents of the following organizations in effect as of August 10, 2007 form a part of this Specification to the extent indicated by the references thereto: 1.4.1 Occupational Safety and Health Act (OSHA), 24, CFR 1926, OSHA Standards for the Construction Industry. 1.4.2 Colorado Department of Transportation (CDOT), Standard Specifications for Road and Bridge Construction. 1.4.3 Bureau of Land Management (BLM) -- OiI and Gas, Surface Operating Standards for OiI and Gas Exploration and Development. Fourth Edition. 1.4.4 Garfield County Vegetation Management Guidance Noxious Weed List, Reclamation Standards, Weed Management Plan, Re -vegetation Guidelines r Confidential: This is Confidential Information. Disclosure by the recipient is therefore subject to the terms of applicable U.S. trade and export control laws and regulations. Ally disclosure or ro-oxport of this information (as defined in the U.S. Regulations) is prohibited. Page 4 of 11 URS Washington Dmsion RE -VEGETATION OF DISTURBED AREAS Chevron Contract No.: 0537211 Protect No.: 29454 Specification No.: PBSR-ALL-CIV-SPC-URS-00000- 04008-00 Revision No.: L01 Should a conflict be found to exist between any applicable portion of the referenced codes and standards and this Specification, the conflict shall be submitted to the Engineer for resolution before proceeding with the affected work. 1.5 Submittals 1.5.1 If requested by the Engineer, furnish an affidavit from each manufacturer or producer certifying that the materials or products delivered to the Project site meet the specified requirements. A. However, such certification shall not relieve the Subcontractor from the responsibility of complying with added requirements specified herein. 1.5.2 Furnish to Engineer, a signed statement certifying that the seed furnished is from a lot that has been tested by a recognized laboratory for seed testing, six months prior to date of delivery. A. Provide certification tags for the seeds. 1.6 Quality Assurance Qualifications: Work to be performed shall be executed by a single firm who specializes and has full knowledge and experience in re -vegetating disturbed areas in Colorado using native species and who has satisfactorily performed work of this type on other projects of comparable size and scope as this Project. 1.7 Delivery, Storage, and Handling 1.7.1 Seed: Deliver each specified seed species to Project site in separate, sealed, original containers which show an analysis of the seed made by an approved authority. A. Seed shall be fresh stock and labeled in accordance with U.S. Department of Agriculture Rules and Regulations under the Federal Seed Act. B. Upon request of the Engineer or its designated representative, submit two copies of invoices showing type and quantity of seed materials. 1.7.2 Mulch (if used): Do not use old dry straw that breaks in the crimping process in lieu of bending. A, Such straw will not be accepted, and shall be removed from the Project site. B. All mulch shall be certified noxious weed free. 1.8 Warranty 1.8.1 Photographic documentation of the construction site is required to establish the baseline for the warranty. 1.8.2 Subcontractor shall continue to monitor the re -vegetated area and reseed areas as required until the conditions In B. are met. A. Warranty period shall commence upon acceptance of work by the Engineer. B. Warranty period shall end when the Engineer has determined that the vegetation density of the reseeded area has reached 70 percent of the original vegetation density. Confidential: This Is Confidential Information. Disclosure by the recipient is therefore subiect to the terms of applicable U.S trade and exp •rt control laws and regulations. Any disclosure or re-export of this Informabon (as defined in the U.S. Regulations) is prThihited. Page 5 of 11 Washington Division RE -VEGETATION OF DISTURBED AREAS Chevron Contract No.: C537211 Project No.: 29454 Specification No.: PBSR-ALL-CIV-SPC•URS-00000- 04008-00 Revision No.: L01 1.8.3 Reseed all areas where there is not a satisfactory stand of native grass as determined by the Engineer. The length of the warranty period will vary by season and will be agreed to between Subcontractor and Engineer at the time of re -vegetation activities. A. Process will be repeated until the stand of native grass over all areas designated for re - vegetation has met the 70 percent of original vegetation criterion. Reseeding shall be at the Subcontractor's expense. 2.0 PRODUCTS 2.1 Materials 2.1.1 Seed: Seed shall be in accordance with the seed mix identified in B. Seed and seed labels shall comply with all current state and federal regulations and shall be subject to the testing provisions of the association of official seed analysis. A, Provide fresh, clean, new -crop seed complying with the tolerance for purity and germination established by the Official Seed Analysts of North America. B. Provide seed of the grass species, proportions, and minimum percentages of purity, germination, and maximum percentage of weed seed specified as follows. Seed Mix for Sites below 7000 ft Scientific Name Seeds per pound Common Name! Preferred Cultivar PLS) ft2 % of mix by PLS weight Application Rate {lbs PLS/acre) Achnathernurn hymenoides 140,000 Indian ricegrassl Paloma* 4 12.5 1.25 Hesperostffpa comata comata 115,000 Needle and thread 4 15 1.5 Pascopyrum smithii 140,000 Western wheatgrass/ Arriba* 10 31 3.1 Pseudoroegneria splcata spicata 140,000 t3luebunch wheatgrass/ P7 10 31 3.1 Sitanion hystrix 192,000 Bottlebrush/squirreltail 4 10 0.90 Poa canbyi 925,000 Canby bluegrass/ Canbar 4 0,5 0.19 v Total 36 100 10.04 * Use only this cultivar, as recommended by Natural Resources Conservation Service and the Colorado Natural Heritage Program, 1998. Seed Mix for Sites above 7000 ft See Attachment 1, which describes seed mixes for three higher -elevation environments developed by the Bureau of Land Management Glenwood Springs Energy Office (memo dated April 16, 2007). C. Notify the Engineer in writing prior to seeding, for review of the following: 1. Seed mix to be used. Confidential; This is Confidential Information. Disclosure by the redpient is therefore subject to the terms of applicable U.S. trade and export control laws and regulations. Any disclosure or re-export of this Information (as defined in the U.S. Reguialinns) is prohibited. Page 6 of 11 URS Washington Division RE -VEGETATION OF DISTURBED AREAS Chevron Contract No.: C537211 Protect No.: 29454 Specification No.: PBSR-ALL-CIV-SPC-URS-00000- 04008-00 Revision No.: L01 2. Percentage of purity and germination. 3. Pounds of pure live seed per pound of seed. 4. Selected method of seeding. D. Furnish seed free from noxious weeds. E. Do not use seed that has become wet, moldy or otherwise damaged in transit or In storage. F. Use only seeds from a lot tested by a recognized laboratory within six months prior to delivery. G. Seed purity, germination, and mixture proportions shall meet the requirements listed in B above. 2.1.2 Topsoil: Use nearby topsoil stockpiles that were set aside as part of the excavation. Areas with minimal topsoil may require the addition of mulch. A. See 3.2 and 3.3 for soil preparation requirements. 3.0 EXECUTION 3.1 General 3.1.1 Do not start preparation work until after all related site work within the areas to be revegetated, including site utilities, has been completed, tested, and backfilled to the satisfaction of the Contractor. The following general requirements apply: A. Seeding activities should be limited to cooler, wetter months (typically September through June) when conditions are favorable for germination, B. Fertilization Is not required (promotes rapid weed growth), C. Do not seed when wind velocity exceeds five miles per hour, and D. Sow no less than the quantity of seed specified. 3.2 Seeding Methods for Slopes Less than 3% 3.2.1 Each species of seed shall be in separate bags so that each size group of seed can be metered at the appropriate rate. 3.2.2 Small seeds, such as canby bluegrass (Poa canbyl), can be difficult to apply at the small rates required. Use of wheat bran or rice hulls or other adjuvant to assist metering of the small seeds may be required. 3.2.3 Preferred Method: Multiple Seed Bin Rangeland Drill A. No soil preparation required other than simple grading to slope and waterbars at 50 -foot spacing. 3.2.4 Alternative Methods A. Broadcast seeding methods: Seeding rate must be doubled for broadcast application. Confidential: This is Confidential Information. Disclosure by the redolent Is therefore subject to the terms of applicable U.S. trade end export control laws and regulations. My disclosure or re-export of Oils Informati n (as def ned in the U.B. Re 3u1aiions) is prohibled. Page 7 of 11 URS Washington DMSron RE -VEGETATION OF DISTURBED AREAS Chevron Contract No.: C537211 Project No.: 29454 Specification No.: PBSR-ALL-CIV-SPC-URS-00000- 04008-00 Revision No.: L01 1. Harrow: Harrow with just enough soil moisture to create a rough surface; broadcast seed and re -harrow at 90' to first harrow. 2. Hand raking and broadcast seeding followed by re -raking at a 90' angle to the first raking. B. Hydro -seeding C. Other methods as agreed to by Engineer. 3.2.5 Application Rates: A. See application rates in 2.1.1B. 3.3 Seeding Methods for Slopes Greater than 3% 3.3.1 Imprinting seedbed is required. A. Imprinting can be accomplished using dozer tracks or furrows perpendicular to the direction of the slope. B. When hydro -seeding, imprinting shall be conducted prior to seeding. C. Harrowing and broadcast seeding: imprinting shall be done as part of harrowing. D. Furrowing: obtain approval for method from Engineer. 3.3.2 if mulch will be crimped into the soil surface, Imprinting is not required. 3.4 Mulching Mulching is not required for most methods. Temporary and permanent erosion control blankets may be used or straw can be crimped into soil during drill seeding. 3.5 Maintenance Maintain until the revegetated area has reached 70 percent of original vegetation density. 3,5.1 Begin maintenance of seeded areas Immediately atter each area is planted and continue until the Owner's acceptance of the Project. 3.5.2 Maintain seeded by preventing erosion and replanting as required to meet the 70 percent of original vegetation criterion. 3.5.3 Replant bare areas using the same materials specified above. 3. r.4 When maintenance is taken over by the Owner during the guarantee period, the Subcontractor shall periodically inspect the maintenance operation of the Owner. A. The Subcontractor shall promptly report to the Owner any methods, practices or operations which he considers unsatisfactory, not in accord with his Interest or not In accord with good horticultural practices. r Confidential: This is Confidential Information. Disclosure by the recipient is therefore subject to the terms of applicable U.S. trade and export control laws and regulations. Any disclosure or re-export of this Information (as defined in the U.S. R ulalions) is prohibited. Page 8 of 11 URS Washington Divtsion RE -VEGETATION OF DISTURBED AREAS Chevron Contract No.: C537211 Protect No.: 29454 Specification No.: PBSR-ALL•CIV-SPC•URS•00000- 04008410 Revision No.: L01 B. Failure of Subcontractor to inspect and report shall be construed as an acceptance of Engineer operations. 1. No claims from the Subcontractor will be recognized thereafter should any defects develop later that are the result of such methods, practices or operations. 3.6 Workmanship 3.6.1 Perform all Work in a careful and orderly manner with due consideration for the protection of adjoining property. 3.6.2 Keep drainage structures clean during Installation of Work. 3.7 Field Quality Control 3.7.1 Acceptance for Start of Maintenance: Notify the Contractor or its designated representative of completion of all seeding required. A. Review of seeded areas will be by the Contractor or its designated representative, and he will determine whether Work is acceptable and whether the maintenance period can begin. 3.7.2 Final Acceptance: Notify Contractor In writing of completion of the required maintenance. A. Within ten days of owner's notification, inspection for final acceptance will be made by a representative for the Contractor and the Subcontractor. B. For final acceptance the terms of the warranty must be met and the Project site shall be in acceptable clean condition.. 3.8 Adjusting and Cleaning 3.8.1 Work is complete when the premises are clear of all rubbish, refuse and debris, leaving premises in a clean and orderly condition. 3.8.2 Repair damage done to property on or off premises by reason of required Work without additional cost to the Contractor. 3.9 Protection Restrict foot and vehicular traffic on seeded areas until the completion of the established period. Confidential: This is Confidential Information. Disclosure by the recipient is therefore subject to the terms of applicable U.S. trade and export control laws and reilulatione. Any disclosure or re -ex ort of this information Las defined in the U.S. fie ulations is roh oiled. Page 9 of 11 URS Washington Kion RE -VEGETATION OF DISTURBED AREAS Chevron Contract No.: C537211 Project No.: 29454 Specification No.: PBSR-ALL-CIV-SPC-URS-00000- 04008-00 Revision No.: 1.01 Attachment 1: Seed Mixes for Environments above 7000 ft Source: Bureau of Land Management, Glenwood Springs Energy Office, Memo, April 16. 2000 Table 1-2, Pinyon -Juniper Woodland andfor Mountainfwyoming Big Sagebrush Shrubtand Common Name Scientific Names Variety Season Form PLS ibsiacre* Plant the Following (109/4 Total) Indian ltirrgass Arhnathervnt (tfiy:apstsJ 1q ntalatda NRitnr, c� akoma, Cool Bunch l 9 end Both of the Following (15% Each, 301/4 Total) Galleta Plaiaaphis (ifllarfa) fantail Viva florets Warm Bunch 2.5 Bluebunch Wheatgrass Pseudornegner to sprcata, Agrappron sprcatum Saar, P-7, Anetone Cool Bunch 2 8 and One of the Following (201/4 Total) Thickspilre Wheatgass l ly mus lanceolatus ssp lancealahu, Agropyrorr dasystachyum Critana, Schwendunax Cool Sod -forming 3-4 Slender Wheatgrass Elymus ttachycaulus, Agropyou track cautanr San Luis Cool Bunch 3 3 and Two of the Following 001/4 Total) Muttongrass Poa fendleriana Cool Bunch 0.6 Sandberg Bluegrass Poa sandbergtr, Poa secunda Cool Bunch 0.6 Bottlebrush Snuirreltail Elpmas elymaides, Sftanron Iiystrir Cool Bunch 2 7 *Based on 60 pure lire seeds (PLS) per square foot, drill -seeded Doubly this rate (120 PLS per square foot) (f broadcast or Il) droreeded Confidential: This is Confidential Information. Disclosure by the recipient is therefore subject to the terms of applicable U.S. trade and export contro! laws and regulations. Any disclosure or re-export of this Information (as defined in the U.S. Regulations i rohibited. Page 10 of 11 Washington GNTSlan RE -VEGETATION OF DISTURBED AREAS Chevron Contract No.: C531211 Project No.: 29454 Specification No.: PBSR-ALL-CIV-SPC•URS-00000- 04008.00 Revision No.: L01 Table 1-3. Mixed Mountain Shrubland, Including Oakbrush Common Name Scientific Names Variety Season Form PLS lbsiaere" Plant Both of the Following (20% Each, 40% Total) Thickspike Wheatgrass Elymus lanceolatus ssp lanceolatus, Agrnpyron dasy rtacbyunr Cntana, Schwendimar Cool Sod -forming 3 4 Biuebunch Wheatgrass Praudomegneria spfcata, Agropyron splcalum Secar, P-7. Anatoae Cool Bunch 3 7 and One of the Following (20% Total) Bottlebsush Squirreltarl £tymus elymoldes, Sftanlolr hystrfx Cool Bunch 2 7 Slender Wheatgtass Etymus tr'achysaulus. Agrop)ron trach)raulum! San Luis Cool Bunch 3 3 and One of the Following (20% Total) Canby Bluegrass Poa canbyl, P. secunda Calabar Cool Bunch 0 6 Mutton Bluegrass Poa fendier1arra Cool Cool Bunch 0.6 and One of the Following (10% Total) Letterman Needlegrass AchnaIhavm (Stipa) letterman!! Sod-fornuug Cool Bunch 1 7 Columbia Needlegrass Achnatherlr (Stipa] nelson!!, Stipa calumbiana Cool Bunch 17 y and One 011ie Following (10% Total) Indian Rrcegtass Aclmathenrin (Ory.opslsJ hyrnenord s Nezpae. Palma, Rsmrock Cool Bunch 1 9 Jucegrass Koelerla ntacrantha, K. cristata Cool Bunch 0 1 'Based en 60 pure Ike seeds (PLS) per square fool, drill -seeded Double this rate (120 PLS per square foot) If broadcast or hi-droseeded Table 1-4. Spruce -Fir Forest, Including Mountain Mtadows Common Name Scientific Names Variety Season Form PLS + lb:here Plant Both of the Following (204s Each, 40% Total) Mountain Brume Bromops1s promos) margtnahss Garnet Cool Bunch 5 8 Slender Wheatgrass El) mus trachyrou us. Agropyron trachycaulun! -I San Luis Cool Bunch 3 3 and Three of the Following (20% Each, 60% Total) Lenerman Needlegrass Achnatherbm (Stipa] letterman!! Cool Bunch 3 5 Blue Wildrye Elymus glaucus Arlington Cool Bunch 4 8 Thnekspdce Wheatgrass lancsolatus ssp lancealahrs, Agnnpyron dasystachyum Cntana. Schwendimar Cool Sod farming 3 4 Idaho Fescue Ferhtca idahoensfi Joseph Cool Bunch 1 2 Wheeler Bluegrass Poa F1113 am Cool Sod-fornuug 0 6 *Boyd on 60 parr HI* sends (PLS/ per square foot, drlit-seeded. Double this rate (J20 PLS per square foot) If broadcast or hydrorrrded Confidential: This is Confidential Information. Disclosure by the recipient is therefore subject to the terms of applicable U.S. trade and export control laws and regulations. Any disclosure or re-export of This information has defined n the U.S. Regulat ons) is prohibited. J Page 11 of 11 REVIEWED By Tim Toale, P.E. at 12:01 pm, Jan 05, 2009 URS Washington Division Piceance Basin Natural Gas Development Project Garfield/Mesa, Colorado URS Corporation —Washington Division Project Number 29454 Chevron Contract No.: 0537211 Document Number PBSR-ALL-CIV-SPC-URS-00000-04010-00 For UNDERGROUND PIPE BEDDING DETAILS Prepared For Chevron Chevron North America Exploration and Production Prepared by URS Washington Division 10550 Richmond Avenue Houston, Texas 77042 Revision: L01 Status: IFA Code 1: Reviewed Tim Toale 1-12-2009 Confldentlal: This is Confidential Information. Disclosure by the recipient Is Iherefore subject to the berms of applicable U.S. trado and export control laws and regulations. Any disclosure or re-export of thle Information (as defined in the U.S. Regulations) is prohibited. Project Name: Client: Piceance Basin Natural Gas Discipline: Civil Development Project CHEVRON Revision Signatures 12/11/08 12/30/08 Prepar:. •y teve Ines Date Approved by Abdul Halal (SDE) Issue Date 12/30/08 12130/08 Checked by I na Lazarescu Date Approved b arold Graft (PEM) Date Status No' Date Prepared Pages Description of Changes IDR IFA H01 L01 12/11/08 12/30/08 SAM SAM ALL ALL Issue for Inter -Discipline Review Issued for Approval URS Washington Division UNDERGROUND PIPE BEDDING DETAILS Chevron Contract No.: C537211 Project No.: 29454 Specification No.: PBSR-ALL-CIV-SPC-U RS -00000- 04010-00 Revision No.: L01 SPECIFICATION REVISION PAGE Confidential: This is Confidential Information. Disclosure by the recipient is therefore subject 10 the terms of applicable U.S. trade and export control laws and regulations. Any disclosure or re-export of this information has defined in the U.S. Regulations) is prohibited. Page 2 of 9 Confidenfiat: This is Conlideniiaf Information. Disclosure by the recipient is therefore subject to the terns of applicable U.S. trade and expoil control laws and regulations. Any disclosure or re-export of this information (as defined in the U.3. Regltions) Is prohibited. URS Washington Division UNDERGROUND PIPE BEDDING DETAILS Chevron Contract No.: C537211 Project No.: 29454 Specification No.: PBS R -AL L -CIV -SPC -U RS -00000- 04010-00 Revision No.: L01 GENERAL 1.1 Scope This Specification covers the underground pipe bedding details. This specification, together with project specifications and/or other referenced specifications defines minimum technical requirements for installation of underground pipe. 1.2 Related Specifications 1.2.1 Specification: PBSR-69822DVF-CIV-SPC-URS-00000-04001-00 -Site Preparation / Stabilization, Soil Management, Earthwork and Backfill 1.2.2 Specification: PBSR-All-CIV-SPC-URS-00000-04005-00 -Seeding, Hydro -Mulching and Re - Vegetation 1.2.3 Specification: PBSR-ALL-CIV-SPC-URS-00000-04011-00: Onshore Pipeline Construction 1.2.4 Specification: PBSR-ALL-CIV-SPC-URS-00000-04007-00: Sanitary Sewer and Storm Drainage Systems 1.3 References, Standards, and Guidance The codes, standards, regulations, and guidance documents of the following organizations in effect as of December 01, 2008 form a part of this Specification to the extent Indicated by the references thereto: 1.3.1 Occupational Safety and Health Act (OSHA), 24, CFR 1926, OSHA Standards for the Construction Industry. 1.3.2 Colorado Department of Transportation (COOT), Standard Specifications 1.3.3 Bureau of Land Management (BLM) — Oil and Gas, Surface Operating Standards for Oil and Gas Exploration and Development. Fourth Edition. 1.3.4 Garfield and Mesa County, Colorado Building Codes and Garfield County Resolution No. 2008- 87, dated June 16, 2008. Should a conflict be found to exist between any applicable portion of the referenced codes and standards and this Specification, the conflict shall be submitted to the Engineer for resolution before proceeding with the affected work. 1.4 Submittals 1.4.1 If requested by the Engineer, furnish an affidavit from each manufacturer or producer certifying that the materials or products delivered to the Project site meet the specified requirements, A. However, such certification shall not relieve the Subcontractor from the responsibility of complying with added requirements specified herein. Page 4 of 9 URS Washington Division UNDERGROUND PIPE BEDDING DETAILS Chevron Contract No.: C537211 Project No.: 29454 Specification No.: P BSR-ALL-CIV-SP C -U RS -00000- 04010-00 Revision No.: L01 TABLE OF CONTENTS SECTION PAGE 1.0 GENERAL 4 1.1 Scope 4 1.2 Related Specifications 4 1.3 References, Standards, and Guidance 4 1.4 Submittals 4 1.5 Quality Assurance 5 2.0 SOILS ANALYSIS 5 3.0 TRENCHING AND BED PREPARATION 5 4.0 FINAL BACKFILL AND CLEANUP 5 5.0 PROTECTION OF WORK 6 6.0 ATTACHMENT 1: TYPICAL PIPE BEDDING DETAILS 7 A. SAND BEDDING DETAIL 8 B. GRAVEL BEDDING DETAIL 9 Confidential: This is Confidential Information. Disclosure by the recipient is therefore subject to the terms of appficabre U.S. trade and export control laws and regulations. Any disclosure or re-export of this information (as defined in the U.S. Regulations) Is Erohibited. Page 3 of 9 Washington Division UNDERGROUND PIPE BEDDING DETAILS Chevron Contract No.: C537211 Project No.: 29454 Specification No.: P B S R -ALL -CIV -SPC -URS -0000 0- 04010-00 Revision No.: L01 1.5 Quality Assurance Qualifications: Work to be performed shall be executed by a single firm who specializes and has full knowledge and experience in installation of buried pressure pipes in Colorado and who has satisfactorily performed work of this type on other projects of comparable size and scope as this Project. 2.0 SOILS ANAYSIS A. Prior to installation, Supplier shall be provided with soil analysis report of project site. 3.0 TRENCHING AND BED PREPARATION A. Trenching and bed preparation shall be as shown in Attachment 1 and per the manufacturer's recommendations B. Excavation shah be protected from any source of surface water and storm water runoff at all times. Contractor shall provide temporary drainage structures at their cost to detour runoff from the excavated work area. 4.0 FINAL BACKFILL AND CLEANUP A. Unless specified otherwise, final backfill shall consist of the materials shown in the Bedding Details included in Attachment 1 and if approved by Chevron's on site construction manager may consist of excavated material, provided material is free of unsuitable matter, such as: a. lumps of clay, b. stones, c. construction debris, d. boulders, e. frozen clods. B. Refer to the attached Bedding Details included in Attachment 1. C. Entire area shall be cleaned and leveled to original grade. D. Construction debris shall be disposed of by the contractor as directed by Chevron's on site Construction Manager. E. Disturbed surfaces shall be restored and/or replaced to condition equal to or better than that before work began. F. Disturbed surfaces can include; a. paving, b. curbing, c. sidewalks, d. gutters, r Confidential: This is Confidential Information. Disclosure by the recipient is therefore subject le the terms of applicable U.S. trade and export control laws and regulations. Any disclosure or re-export of this Information (as defined in the U.S. Regulations) is prohibited. Page 5 of 9 URS Washington Dirislon UNDERGROUND PIPE BEDDING DETAILS Chevron Contract No.: C537211 Project No.: 29454 Specification No.: PBSR-ALL-CIV-SPC-URS-00000- 04010-00 Revision No.: LO1 e. shrubbery, f. fences, g. other existing items in the path of the pipe. 5.0 PROTECTION OF WORK A. All excavations shall be protected by barriers lights tape flagging, etc. as required by governing Federal, State and local construction codes and regulations. Confidential: This is Confidential information. Disclosure by the recipient is therefore subiect to the terms of applicable U.S. trade and export control laws and regulations. Any disclosure or re-export of this information Las defined in the U.S. Regulations) Is prohibited. Page 6 of 9 URS Washington Division UNDERGROUND PIPE BEDDING DETAILS Chevron Contract No.: 0537211 Project No.: 29454 Specification No.: P BS R -ALL -CIV -SPC -U RS -00000- 04010.00 Revision No.: LO1 A. SAND BEDDING DETAILS RE?LACE TO MATCH EXISTING ``—`- GROUND COVER -4° • • • •• • • • •• • MINIMUM COVER 42" 300 mm -- (12") •"••$. • • • • •• PIPE O.D. •150 mm (.6") 1C P PE Q D. 150 mm— (6") • • • •. . • • 1 • •.•.• • • • . NATURAL GROUND COMPACTED BACKFILL SELECT NATURAL MATERIAL CENTER PIPE IN TRENCH BEDDING ENVELOPE CLASS 11/111 BACKFILL (1) UNDISTURBED EARTH PIPE O.D. •300 co (•12") MIN. PIPE O.D. •600 mm (•24") MAX. (*) DIMENSION VARIES ACCORDING TO PIPE SIZE (1) BEDDING SHALL BE LAID IN 8 INCH LOOSE LIFTS. NOTES; 1. PIPE BEDDING MATERIAL TO BE WELL GRADED CLEAN CLASS [I/111 MEDIUM TO COARSE SAND WITH MAXIMUM 5 PERCENT FINES. 2, ALL TRENCH BACKFILL SOILS TO BE COMPACTED TO AT LEAST 95 PERCENT OF MAXIMUM DRY DENSITY AS DETERMINED BY STANDARD PROCTOR METHOD. (ASTM D-898) 3. TRENCH BOTTOM BELOW PERCHED GROUND WATER MAY NEED DEWATERING USING SUMP PUMPS. [Confidential: This is Confidential Inforrnat{on. Disclosure by the recipient is therefore subject to the terms of applicable U.S. trade and export control laws and regulations. Any disclosure or re•eprt of this Information las defined In the U.S. Regulations) is prohibited. Page 8 of 9 URS Washington DMslon UNDERGROUND PIPE BEDDING DETAILS Chevron Contract No.: C537211 Project No.: 29454 Specification No.: P BS R -ALL -CIV -SPC -U RS -00000- 04010-00 Revision No.: L01 6.0 ATTACHMENT 1 PIPE BEDDING DETAILS A. Sand Bedding B. Gravel Bedding Confidential: This is Confidential Information. Disclosure by the recipient Is therefore subject to the terms of applicable U.S. trade and export control laws and regulations. Any disclosure or re-export of this information (as defined in the U.S. Regulations) Is prohibited. Page 7 of 9 URS Washington DMsIon UNDERGROUND PIPE BEDDING DETAILS Chevron Contract No.: C537211 Project No.: 29454 Specification No.: PB SR -ALL -CIV -SPC -LI RS -00000- 04010-00 Revision No.: L01 B. GRAVEL BEDDING DETAILS REPLACE TO MATCH EXISTING GROUND COVER -'I MINIMUM COVER 42" • • : • •• ` • • • • • • • r • • • • • •• PIPE O.D. •150 mm (•s") 1 PIPE O.D. •300 mrn (42") MIN. PIPE O.D. •600 mm (•24") MAX. NATURAL GROUND COMPACTED BACKFILL SELECT NATURAL MATERIAL CENTER PIPE IN TRENCH BEDDING ENVELOPE TYPE 67 OR 78 CRUSHED LIMESTONE ('), (1) • UNDISTURBED EARTH (+) DIMENSION VARIES ACCORDING TO PIPE SIZE (1) BEDDING SHALL BE LAID IN 8 INCH LOOSE LIFTS. NOTES: 1. PIPE BEDDING MATERIAL TO BE ANGULAR TO SUB -ANGULAR GRADATION NO. 87 OR 78 CRUSHED LIMESTONE. 2. ALL TRENCH BACKFILL SOILS TO BE COMPACTED TO AT LEAST 95 PERCENT OF MAXIMUM DRY DENSITY AS DETERMINED BY STANDARD PROCTOR METHOD. (ASTM D-898) 3. TRENCH BOTTOM BELOW PERCHED GROUND WATER MAY NEED DEWATERING USING SUMP PUMPS. Confidential; This is Confidential Information. Disclosure by the recipient is therefore subject to the terms of applicable U.S. trade and oxport control laws and re_guiations. Any disclosure or re-export of this information (as defined in the U.S. Ite9ulations) is prohibited. Page 9 of 9 URs Washington Division Piceance Basin Natural Gas Development Project URS Corporation Washington Division Project Number 29454 Chevron Contract No.: C537211 SURVEYING AND MAPPING REQUIREMENTS FOR Chevron CHEVRON DOCUMENT NUMBER PBSR-ALL-CIV-SPC-U RS -00000-04012-00 Prepared by: URS Washington Division 10550 Richmond Avenue Suite 300 Houston, TX 77042 Revision: U01 Status: Issued for Construction Project Name: Client: Piceance Basin Natural Gas Discipline: Civil Development Project CHEVRON Revision Signatures 01/21/2009 t°4.‘101/21/2009 Prepare.:. 1"� loana Lazare u Date Approved by Abdul Helal (SDE) IssuielD7 01121/2009'rt.,- 01/212009 Checked by Ste e ' ezines Date App oved by Harold Craft (PEM) Date Status Na ' Date � Prepared Pages Description of Changes DRAFT IFA IFC A B U01 5/28/07 10/24/07 01121/09 TA,GG CHM IL ALL ALL 7 For Initial Review Incorporate PIP CVS02005 Section 1.1 Replace Geopack with InRoads Section 1.2 B Update Washington Group International, Inc. as URS Washington Division Section 3.2 Updated Engineer Liaison contact information Washington Dmston SURVEYING AND MAPPING REQUIREMENTS Protect No.: 29454-000 Revision No.: U01 Specification No.: PBSR-ALL-CIV-SPC-URS-00000- 04012.00 SPECIFICATION REVISION PAGE Page 2 of 18 Collidentiel: This Is CceAdeneal rnlonnatlon. Disclosure by the recipient Is theretore sub}ed to the terms of applicable U.S. trade and export contrd laws and regulations. Any disdosure or re-export of this information (as defined In the U.S.. Regulations) is prohibited. UPS Washington Division SURVEYING AND MAPPING REQUIREMENTS Project No.: 29464-000 Revision No.: U01 Specification No.: PBSR-ALL-CIV-SPC-U RS -00000- 04012-00 TABLE OF CONTENTS SECTION PAGE 1.0 GENERAL 4 1.1 Scope 4 1.2 Definitions 4 1.3 Standards 4 1.4 Site Access / Safety 5 1.5 Supplements for the Plceance Basin Gas Development Project 6 2.0 PRODUCTS 6 2.1 Work Product Deliverables 6 3.0 EXECUTION 7 3.1 Schedule and Sequence, Progress and Status 7 3.2 Liaison and Coordination of Work 7 TABLE 1 - Topographic Mapping Symbology Configuration ATTACHMENT 1— PIP CVS02005, Topographic and Plant Surveys Specification and Checklist ATTACHMENT 2 — 2005 Minimum Standard Detail Requirements for ALTA/ACSM Land Title Surveys Page3of 18 Confidential; This Is Confidential IMornhadon. Disclosure by the recipient Is therefore subject to the terms of *Facade U.S. trade and export contrd lava and regulations. My dadosure a re-esport 0104 Inlomstlon fee domed In the U.S. ReuNatanal is Prohibited. URS Washington Diwston SURVEYING AND MAPPING REQUIREMENTS Project No.: 29454-000 Revision No.: U01 Specification No.: P BS R -ALL -CIV -SPC -U RS -00000- 04012-00 1.0 GENERAL 1.1 Scope The work to be performed hereunder consists of furnishing all materials, equipment, tools, supplies, and competent, qualified personnel to perform the surveying and mapping services specified herein. Personnel and equipment will be subject to the approval of the Engineer. The Contractor shall be a licensed Professional Land Surveyor, registered in the State of Colorado, responsible for professional land surveying services in support of preliminary engineering, right of way, construction, and boundaries. The Contractor shall perform all work necessary to provide the Engineer with complete Right of Way surveys, design and construction surveys, horizontal and vertical control, and land surveying. All data transferred will be in an approved format that is compatible with the Engineer's automation applications, such as AutoCAD, Microstation and lnRoads. 1.2 Definitions A. Owner or Buyer: Chevron North America Exploration and Production B. Engineer: URS Washington Division C. Contractor or Surveyor: Firm undertaking the scope of work in this Specification. D. Location site: Piceance Basin Project - The site is located in Mesa and Garfield Counties, approximately 25 miles east of Grand Junction, Colorado, near De Beque, Colorado 1.3 Standards 1.3.1 All work shall be done in accordance with generally recognized standards of good surveying practice and good workmanship for the type of surveying and mapping required herein. Additionally, all work shall be done in accordance with: A. The Laws of the State of Colorado B. Rules and Policies of the Colorado State Board Of Licensure For Architects, Professional Engineers, And Professional Land Surveyors C. 2005 Minimum Standard Detail Requirements for ALTA/AGSM Land Title Surveys Any discrepancy(s) between the above mentioned shall be resolved between the Contractor and Engineer prior to commencing any work activities. Accuracy of surveys and survey tolerances shall be as specified in Attachment 1 or the COOT Survey Manual. If a discrepancy should occur, the higher degree of accuracy or the more restrictive tolerance shall apply. All Boundary surveys shall conform to the 2005 Minimum Standard Detail Requirements for ALTAIACSM Land Title Surveys. Page 4 of 18 Confidential: This Is Confidential Infonnallen. Olsdosure by the recipient Is therefore subjed to the terms of epptcable U.S. trade and export control laws and regulations. My dsdosure or reexport d this Information (as defined in the UES. Regulations) Is prohibited. URS Washington Demon SURVEYING AND MAPPING REOUIREMENTS Protect No.: 29454-000 Revision No.: U01 Specification No.: P B S R -ALL -CIV -SPC -URS -00000- 04012-00 1.3.2 Project Datum: A. The project horizontal coordinates are NAD83/92, Colorado Central Zone (502), U.S. Foot, State Plane Coordinates. B. Project Elevations are North American Vertical Datum of 1988 (NAVD 88). 1.3.3 References: A. Colorado DOT Survey Manual (version May/2007) B. Colorado DOT ROW Manual (version May/2007) C. Chevron's "MidContinent Business Unit Contractor Handbook" 1.4 Site Access / Safety 1.4.1 All personnel entering the Piceance Basin Development Program area must observe the requirements for safety and security programs and the directives of Chevron's safety and security personnel. All Contract Personnel are required to attend Chevron's Field Safety Orientation prior to mobilizing to the work site and beginning any work. Scheduling for the survey work and obtaining approvals required for the location site shall be coordinated through Chevron's Construction Manager, Mr. David Qualls. 1.4.2 Field Survey Safety A. The Contractor will ensure that their personnel have adequate safety equipment, such as first aid kits, personal protective equipment, traffic control devices, and other items, along with the necessary safety training to ensure that their personnel can perform and provide surveying services while meeting federal, state and local requirements and guidelines for safety in the work place, including but not limited to such potential hazard areas as roadways and their Right of Way, areas near water, and all construction sites. Prior to digging or penetrating the ground, the Contractor will call phone number 811, "Call Before You Dig", and follow all procedures and safety guidelines. When surveying within the road Right of Way of any political subdivision of Colorado, the Contractor must furnish and use all traffic control devices, as required by the jurisdiction having authority for surveying and/or staking operations within the road Right of Way. The Contractor will ensure all field surveying personnel who work on jobs covered by this contract are familiar with the applicable surveying safety requirements when working within road Right of Ways. The Contractor shall take all safety precautions and shall furnish all safeguards necessary for the prevention of accidents, and shall comply with all federal, state, and local laws, rules, regulations and executive orders in adherence to safe field surveying practices and procedures, and all other applicable industry standards. The Contractor shall abide by and require all of its field surveyors to abide by Chevron's safety requirements, including, but not limited to Chevron's "MidContinent Business Unit contractor Handbook". Page 5 of 18 Confidential: The Is Conrdentlal bdomuticn. Mildew re by the recipient Is Mentors Bab(eel loth terms of applicable U.S. Inde and export oontrd laws and r.Driatlans. My d sdosure or reexport of this Intonation (as debned In the U.S. Repclatlms) Is Prohibited. URS Washington Oirition SURVEYING AND MAPPING REQUIREMENTS Project No.: 29454-000 Revision No.: U01 Specification No.: PBSR-ALL-CIV-SPC-URS-00000- 04012-00 By executing the Contract, the Contractor acknowledges receipt of a copy of Chevron's "MidContinent Business Unit Contractor Handbook" and agrees that the "MidContinent Business Unit Contractor Handbook" does not waive or abrogate in any manner the Contractor's responsibility and obligations to Chevron. 1.5 Supplements for the Plceance Basin Gas Development Project 1.5.1 Table 1 - Topographic Mapping Symbology Configuration 1.5.2 Attachment 1 - PIP CVS02005, Topographic and Plant Surveys Specification and Survey Checklist 1.5.3 Attachment 2 - 2005 Minimum Standard Detail Requirements for ALTA/ACSM Land Title Surveys 2.0 PRODUCTS 2.1 Work Product Deliverables 2.1.1 One (1) Digital "ASCII Text" file on Project Datum and One (1) Certified, Signed, and Sealed, ".PDF" file of same, of all surveyed points. This file shall be formatted as shown within these parentheses - (point number, north coordinate, east coordinate, elevation, point/connect code; description/comment). All strings shall be listed in the file in plotting order. 2.1.2 One (1) Digital "ASCII Text" file on Project Datum and One (1) Certified, Signed, and Sealed, ".PDF" file of same, of all Survey Control points. This file shall be formatted as shown within these parentheses - (point number, north coordinate, east coordinate, elevation, point/connect code; description/comment). This file shall be Cumulative of all project Survey Control points to date. This file shall be updated and delivered with each Scope of Work. 2.1.3 One (1) Digital "3-D", AutoCAD or MicroStation drawing file on Project Datum. This file will contain all natural and cultural topographic data required by the Engineer, one fool contour intervals and 10 foot index contours, the Triangular Irregular Network (TIN), details, complete map sheeting parameters, legend(s), border(s), title block(s), notes, special circumstances, etc. In generating the topography, a contour smoothing routine shall not be used. Information in the CADD drawing file shall be placed on separate levels/layers as defined in Table 1. 2.1.4 One (1) Certified, Signed, Sealed, and in completed form, reproducible copy of the map(s) from Section 2.1.2 (without the TIN) at a scale and size specified by the Engineer. Lettering/Text shall be a minimum eight -hundredths (0.08) Inch high. 2.1.5 One (1) Certified, Signed, and Sealed, set of ".PDF" files of all Instrument calibrations, equipment maintenance records, and equipment repair records. 2.1.6 One (1) Certified, Signed, and Sealed, set of ".PDF" files of all field notes. Field notes are all the data gathered during the course of the field survey. Field notes shall include all hand written Information, data, and sketches. Field notes also include digital photographs, the un -edited output from electronic data collection equipment (RAW data), and the specific survey request instructions provided by the Engineer. 2.1.7 One (1) set of all data and records gathered, used, and/or developed in the performance of the work, preferably in ".PDF' file format. Page 6 of 18 Confidential: This is Confidenttai Information. Disclosure by the recipient Is therefore subject to the terms d applicable U.S. trade and export oontrd laws and regulations. My disclosure or re-export atthls Information (as defined In the U.S. Reputations) is prohibited URS Washington Division SURVEYING AND MAPPING REQUIREMENTS Project No.: 29454-000 Revision No.: U01 Specification No.: PSSR-ALL-CIV-SPC-URS-00000- 04012-00 2.1.8 One (1) Digital copy of the survey "Point Code/Connect Code" library. This library shall clearly define all survey "Point Codes" and string "Connect Codes". 2.1.9 Two (2) CDROM/DVDROM disks containing all digital files. 3.0 EXECUTION 3.1 Schedule and Sequence, Progress and Status 3.1.1 Schedule and Sequence The Work Product Deliverables from Section 2.1 and subsections thereof shall be completed and submitted to Chevron and the Engineer according to the schedule defined on the completed "Survey Checklist" for the particular Scope of Work. 3.1.2 Progress and Status The Contractor shall keep Chevron and the Engineer informed of the status and progress of the work and shall immediately notify Chevron and the Engineer of any delays and special problems encountered. 3.2 Liaison and Coordination of Work Contractor will contact Mr. Abdul Helel of URS Washington Division (Engineer Liaison) at telephone number 281-529-2153 and at e-mail abdul.helal@wgint.com for clarification of questions. Page 7 of 18 CodIdeat d: This Is Confidential Information. Disclosure by the Weevils therefore subject lathe terns of eppGeabie U.B. trade and won cored laws end roodatfons. My dsdosure or re- lcPon d Ws Information {as defined In the 0.8. Reputations) is prdddled. URS Washington Division SURVEYING AND MAPPING REQUIREMENTS Project No.: 29454-000 Revision No.: L101 Specification No.: PBSR-ALL-CIV-SPC-URS-00000- 04012-00 TABLE 1 Topographic Mapping Symbology Configuration r item Level Layer Color Weight Line Code CELL Symbol NSRSI CORS (NGS Published) 1 162 2 0 HARN Bench Marks (NGS Published) 153 2 0 BM Project Control Monuments - Primary 2 153 2 0 CPP Project Control Monuments - Secondary 152 1 0 CPS Aerial Control - Panel Points, Photo Center 152 1 0 ACP Tertiary Control 151 1 0 KIN USGS Marker (other) 171 1 0 USGS NOAA Marker (other) 171 1 0 NOAA BLM Marker (other) 171 1 0 BLM Misc. Survey Markers 173 1 0 SMRKR Section, 114 Section, 1/16 Section Comers, etc. 3 183 2 0 SEC ROW Markers / Property Pins / Boundary Evidence 182 1 0 PROP Outside Border 4 9 9 0 Title Block Lines 5 5 0 Title Block Text (Large) 4 4 0 1 Title Block Text (Small) 2 1 0 Survey Point Descriptive Text 1 Comments 5 10 1 0 Survey Point number Text 6 1 1 0 Grid Ticks / Labels 7 154 1 0 Edge of Roadway Pavement - Asphalt 8 164 2 0 Edge of Roadway Pavement - Concrete 184 2 0 Edge of Roadway - Gravel 163 2 3 Page B of 18 Ccnfidenfiat This is Confidential Information. Disclosure by the redolent is therefore subied to the terms of applicable U.S. trade and e>poil owed laws and regulations. Ary dlsdosare or reexport of this Information (as defined In the U.S. Regulations) is prohibited. URS Washington Division SURVEYING AND MAPPING REQUIREMENTS Project No.: 29454-000 Revision No.: U01 Specification No.: PBSR-ALL-CIV-SPC-URS-00000- 04012-00 CL of Roadway I Profile of Roadway 161 1 4 Edge of Asphalt (other) 162 1 0 Edge of Concrete (other) 172 1 0 Edge of Gravel (other) 152 1 2 Lane Line/Shoulder Line - White 9 172 2 0 Lane Line/Shoulder Line - Yellow 182 2 0 Stop Bar 196 4 0 Lip of Curb 10 153 1 0 Lip of Cross Pan, Lip of Gutter 163 1 0 Back of Curb 162 1 0 Curb Flowlines 191 0 0 Wheel Stops 172 2 0 Edge of Sidewalk 193 2 0 Curb Rarnp, Curb Cut 191 1 0 Edge of Bike Trail - Paved 153 2 0 Edge of Bike Trail - Gravel 152 2 2 Sidewalk Drain 184 3 0 Edge of Driveway - Asphalt 162 1 0 Edge of Driveway - Concrete 172 1 0 Edge of Driveway - Gravel 152 1 2 Stone Pavement 182 1 0 Legend 11 4 2 0 Details 12 3 2 0 Bubbles 13 5 3 0 Open 14 5 3 0 Open 15 Guardrail - Steel 16 163 1 Type3exist Page 9 of 18 Confidential: This Is Confidential Information. Died osure by the recipient Is therefore sublectto the terms of applicable U.S. trade and mod control laws and regulations. Any disclosure or re-export of this Information (as defined in the U.S. Regulations) Is prehibhed. us Washington Division SURVEYING AND MAPPING REQUIREMENTS Project No.: 29454-000 Revieion No.: U01 Specification No.: PBS R -ALL -CIV -SPC -URS -00000- 04012.00 Guardrail - Concrete Barrier 193 2 Type7exist Guardrail - End Anchorage 172 1 0 ENDANC Guardrail - Other 162 1 0 Handrail 152 1 0 Impact Attenuator/Crash Cushion 153 1 0 ATTEN Guard Post 153 1 0 GPOST Traffic Signal Conduit 17 153 2 0 Traffic Signal Pole 152 1 0 SWPOLE Traffic Signal Controller 152 1 0 CCAB Traffic Pull Box 191 1 0 TRFBOX Traffic Detector Loop 191 0 0 Traffic - Other 191 1 0 Traffic Sign - Ground Class I 18 183 1 0 SIGN1 Traffic Sign - Ground Class II 183 1 0 SIGN2 Traffic Sion - Ground Class III 183 1 0 SIGN3 Traffic Sign - Butterfly Str. 164 2 0 SIGNBF Traffic Sign - Cantilever Str. 164 2 0 SIGNCL Traffic Sign - Overhead 164 2 0 Traffic Sign - Mile Marker 172 1 0 MPOST Barricades 151 1 0 Delineators 151 1 0 DELIN Fence - Wire/Barbed Wire 19 172 1 BarbedFence Fence- ROW/Combination Wire 172 1 ROWFence Fence - Chain Link 172 1 CLinkFence Fence - Wood/Wood Rail 172 1 WoodFence Fence - Deer/Snow 172 1 DeerFence Fence - Sound Barrier 172 1 SoundFence Fence - Electric 172 1 ElecFence Fence - Other 171 1 BarbedFence Fence Post 182 1 0 FPOST Gate - All Types 182 1 0 GATE Page 10 of 18 Confidential: This Is Confidential Information. Disclosure by the recipient is therefonesubject to the terms of applicable U.S. trade and export contrd laws rind regufatIons. My dsdosure or re-export of this Information (as defined in the U.S. Regulations) Is prohibited. URS Washington Division SURVEYING AND MAPPING REQUIREMENTS Project No.: 29464-000 Revision No.: U01 Specification No.: PBSR-ALL-CIV-SPC-URS-00000- 04012-00 Cattleguard 182 1 CattleGuard Tree - Deciduous 20 153 1 0 DTREE Tree - Coniferous 153 1 0 CTREE Tree - Deciduous Grove r 153 1 Tree Deciduous Tree - Coniferous Grove 153 1 Tree Coniferous Shrub 192 1 0 DSHRUB Vegetation - Hedge/Grove 192 1 Tree Coniferous Edge of Landscaping 153 1 0 Edge of Lawn 192 1 0 Landscaping - Other 161 1 0 Open 21 Edge of Creek, Stream, Lake 22 185 2 Stream Edge of Canal, Ditch, Flume - Concrete 173 2 0 Edge of Canal, Ditch, Flume - Dirt 182 1 6 Edge of Dam, Dike 172 1 3 Rundowns - Concrete, Asphalt 182 2 0 Ditch Flowlines 173 2 Ditch Wetlands 23 153 2 Stream Marshes 192 2 Stream Buildings - Office/Business 24 183 2 0 Buildings - Residential 182 2 0 Buildings - ShedlBarn, Silo, Well House 172 1 0 Buildings - Patio, Deck, Outhouse 172 1 0 Buildings - Canopy, Bus Shelter, Stairs 162 1 0 Buildings - Foundation, Concrete Pad 151 1 2 Buildings - Billboard 164 2 Billboard Buildings - Pump Island, Fuel Tank 161 2 0 Buildings - Mail Box 161 1 0 MBOX Buildings - Archaeological Site, Grave 171 2 2 Page 11 of 18 Confidential'. file is Confdenliel Information. Disclosure by the redpient la therefore subject W the terms of appAcable U.S. trade and etgport contrd laws and reguleticns. My disdosure or re•axpod d this Information (as defined In the U.B. Regulations) is prohibited. URS Washington Division SURVEYING AND MAPPING REQUIREMENTS Project No.: 29454-000 Revision No.: U01 Specification No.: PBSR-ALL-CIV-SPC-URS-0000o- 04012.00 Buildings - Hazardous Waste Site 181 2 2 Buildings - Other 161 1 0 Bridges - Edge/Approach. Slab, (Superstructure) 25 175 3 0 Bridges - Curb 152 2 0 Bridges - Wingwalls, Abutment (Substructure) 26 172 2 0 Bridges - Piers, Slope Paving 27 171 1 0 Bridges - Bridge Rail 151 1 0 Bridges - Other 181 1 0 Open 28 Box/Arch Culvert 29 174 3 0 Top of Wall - Concrete, Block, Brick 153 2 0 Top of Wall - Timber 162 1 0 Top of Wall - Rock 183 1 0 Top 01 Wall - Sheet Piling 152 1 0 Structure - Misc. 151 1 0 Wall - Back Face 30 172 1 0 Wall - Bottom Front Face 172 1 0 Irri. Structure, spillway, HG, flume, diversion, other 31 152 1 0 Irrigation - Lines 183 1 IRexist Irrigation - Valve Box, Pull Box 162 1 0 VBOX Irrigation - Sprinkler, misc. 172 1 0 SPRINK Open 32 Open 33 Page 12of18 1 Confdentlat: This Is Confidential information. Disclosure by the recipient to therefore subject to the terms of applicable U.S. trade end export central laws end leans. My disclosure or re-export of this Information (aa defined in the U.S. Regulations) ie Prohibited URS Washington Division SURVEYING AND MAPPING REQUIREMENTS Project No.: 29454-000 Revision No.: U01 Specification No.: PBSR-ALL-CIV-SPC-URS-00000- 04012-00 Culvert/Storm Sewer Pipe - RCP, CSP, Plastic, DIP 34 156 4 0 Culvert End Section - RCP, CSP, Plastic 155 3 0 ENDSEC Storm Inlets - Area, Grate 153 2 0 INLETC Storm Inlets - Curb 153 2 0 INLR10 Storm Manhole 154 2 0 STMH Siphon, Underdrain 183 2 UnderDrainR T Rip Rap, Energy Dissipater 152 1 0 Misc. Drainage Items 152 2 0 Culvert/Storm Sewer Text 35 1 1 0 Sanitary Sewer Pipe - RCP, Plastic, Clay, DIP 36 165 3 SSexist Sanitary Sewer - Manhole, Vault, Pump Station 153 2 0 SAMH Sanitary Sewer - Leach Field, Septic Tank, Lagoon 153 1 0 Sanitary Sewer - Vent, Cleanout, misc. 153 1 0 SAVENT Electric - Underground Lines 37 154 2 UGEexist Electric - Manhole, Vault 193 2 0 EMH Electric - Transformer Box, Pull Box, Junction Box 162 1 0 EBOX Electric - Power Poles, Guys 162 1 0 EPOLE Electric - Light Poles 173 1 0 LP Electric - Transmission Tower 154 2 0 TT Electric - Meter 162 1 0 EMETER Electric - Markers, misc. 162 1 0 EMRKR Electric - Overhead Lines 38 154 2 OHEexist Telephone - Overhead Lines 174 2 OHTexist Cable TV - Overhead Lines 184 2 OHTVexist Communications Line - Overhead (Fiber, ETC.) 194 2 OHFOexist Telephone - Underground Lines 39 174 2 UGTexist Telephone - Manholes, Vaults 182 2 0 TMH Telephone - Riser, Pull Box, Junction Box 182 1 0 TRISER Page 13of18 Confidential: This Is Confidential Intametlon. Disclosure by the redplent is therefore subject lothe terns of applicable U.S. trade and export oontrd laws and regulations. Any disdosure or re -effort d this information (as defined In the U.S. Regdatlens) is prohibited. URS Washington Dmsion SURVEYING AND MAPPING REQUIREMENTS Project No.: 29454-000 Revision No.: U01 Specification No.: PBSR-ALL-CIV•SPC-U RS.00000- 04012-00 Telephone - Poles, Guys, Booth Telephone - Markers, misc. 182 1 0 TPOLE 182 1 0 TMRKR Open 40 Cable TV • Underground Lines 41 174 2 UGTVexist Cable TV - Manholes, Vaults 182 2 0 TVMH Cable TV - Riser, Pull Box, Junction Box 182 1 0 TVRISR Cable TV - Poles, Guys 182 1 0 TVPOLE TV Antenna, Satellite Dish, Transmission Tower 182 1 0 ANT Cable TV - Markers, misc. 182 1 0 TVMRKR Open 42 Communications Line - Underground (Fiber, ETC.) 43 174 2 UGFOexist Communications - Manholes, Vaults 182 2 0 FOMH Communications - Riser, Pull Box, Junction Box 182 1 0 FORISR Communications - Markers, misc. 182 1 0 FOMRKR Open 44 Gas - Lines 45 155 2 GASexist Oil - Lines 155 2 OlLexist Gas/Oil - Vaults 172 2 0 GVAULT Gas/OiI - Valves, Meters, Junction Box 172 1 0 GVALVE Propane Tank 172 1 0 TANK Gas/Oil - Well 172 1 0 OWELL Gas/Oil - Markers, misc. 172 1 0 Water - Lines 46 185 2 WTRexist Water - Manholes, Vaults, misc. 173 2 0 WMH Water - Valves, Meters, Vents 152 1 0 WVALVE Water - Hydrants 152 1 0 FH Water - Well, Monitoring Well, Tank 152 1 0 MWELL Page 14 of 18 Confidential: This Is Confidential Information. Disclosure by the redolent is thereto(' subject to the terms of applicable U.S. trade and export control taws and regulations. My dsdosure a re•espart of this information (as defined In the U.S. Regulations) Is prohibited. URS Washington OMeion SURVEYING AND MAPPING REQUIREMENTS Protect No.: 29454-000 Revision No.: U01 Specification No.: PBSR-ALL-CIV-SPC-URS-00000- 04012-00 Pa. a 15 o118 Canfidentiai: This is Confidential Information. Disclosure by the redprorR is therefore subject to the terms of appfiade U.S. trade and export control laws and regulations. My disclosure or reexport of this Information (as defined In the U.S. Regulations) is prohlbFed• Section Lines 47 28 4 0 1/4 Section Lines 36 3 3 1/16 Section Lines / GOVT. Lot Lines 4 2 2 1/64 Section Line 3 1 1 Existing Property Lines /Boundary Lines 12 2 PropertyLine Existing Right Of Way Lines 74 2 4 Existing Easement Lines 41 0 2 Open 48 Utility Casing/Sleeve, other-misc. 49 163 3 UTCASexist Utility ID Text 50 12 1 0 Open 51 State, City, Town, County, Corporate Limits 52 6 6 7 Railroad - CL of Track 53 197 2 RRTrack Railroad - Top of Rail 0 Guage 152 1 0 Railroad - Crossing,Building 153 1 0 Railroad - Switch, Frog, Controller Cabinet, Signals 172 1 0 RRCAB Railroad - Utility Pole, Guys 172 1 0 RRPOLE Railroad - Mile Marker 162 1 0 RRMRKR Railroad - Other-misc. 182 1 0 Test Holes/Borings 54 2 2 0 THOLE Rock Outcrop, Boulder, Geological Feature 55 163 1 0 Slide Area, Avalanche Chute 184 2 0 Intermediate Contours 56 191 1 0 Pa. a 15 o118 Canfidentiai: This is Confidential Information. Disclosure by the redprorR is therefore subject to the terms of appfiade U.S. trade and export control laws and regulations. My disclosure or reexport of this Information (as defined In the U.S. Regulations) is prohlbFed• URS Washington Division SURVEYING AND MAPPING REQUIREMENTS Project No.: 29454-000 Revision No.: U01 Specification No.: PBSR-ALL-CIV-SPC-U RS -00000• 04012-00 Index Contours and Text 57 192 3 0 Spot Elevations, Terrain Shots 58 192 1 0 SPOT Break Lines 59 150 0 0 TIN 60 157 0 0 State, City, Town, County, Corporate Limits - Text 61 159 2 0 Survey Point Elevations 62 2 1 0 Open 63 Page 16 of 18 Cordoscolt This to Cantdrrld Information. Dladosure by tM rodplant fa iharafors subject to Ito Isms d apptlabla U.8. trade and effort COMM laws end rpQula or . Any disdgeure or vs port of thle InfOrrnaipn (aa d&Aned In the U.B. Rom ions)1s prohibited. URS Washington DMsion SURVEYING AND MAPPING REQUIREMENTS Project No.: 29454-000 Revision No.: U01 Specification No.: PSSR-ALL-CIV-SPC-URS-00000- 04012-00 ATTACHMENT 1 PIP CVS02005 Topographic and Plant Surveys Specification and Survey Checklist Page 17 of 18 Conlfd•nij : Tho b Confldentlp Information. Disclosure by the rcdplent la therefore attiedt to th s terns of workable U.& trade and export control laws and I rewlatigs. My risclosure or re•e:mort of tia Information Las defined In the U.S. Regulations) la Drahibited. URS Washington DivisfOn SURVEYING AND MAPPING REQUIREMENTS Protect No.: 29454-000 Revision No.: U01 Specification No.: P BS R -ALL -CIV -SPC -URS -00000- 04012-00 ATTACHMENT 2 2006 Minimum Standard Detail Requirements for ALTAIACSM Land Title Surveys Page lBof 18 Codidsn1ai: TNM is Con/dsn iI Intimation. Uhdaure by to n�lent b) aublad fo the tarns d applicable U.B. trails and export control tars and rayisalens. Nri_dsdaura «»-expad d this Intonation to 4MMQ in the U.B. Redutatonolls prohibited. May 2002 Process Industry Practices Civil PIP CVS02005 Topographic and Plant Surveys Specification PURPOSE AND USE OF PROCESS INDUSTRY PRACTICES In an effort to minimize the cost of process industry facilities, this Practice has been prepared from the technical requirements in the existing standards of major industrial users, contractors, or standards organizations. By harmonizing these technical requirements into a single set of Practices, administrative, application, and engineering costs to both the purchaser and the manufacturer should be reduced. While this Practice is expected to incorporate the majority of requirements of most users, individual applications may involve requirements that will be appended to and take precedence over this Practice. Determinations concerning fitness for purpose and particular matters or application of the Practice to particular project or engineering situations should not be made solely on information contained in these materials. The use of trade names from time to time should not be viewed as an expression of preference but rather recognized as normal usage in the trade. Other brands having the same specifications are equally correct and may be substituted for those named. All Practices or guidelines are intended to be consistent with applicable laws and regulations including OSHA requirements. To the extent these Practices or guidelines should conflict with OSHA or other applicable laws or regulations, such laws or regulations must be followed. Consult an appropriate professional before applying or acting on any material contained in or suggested by the Practice. This Practice is subject to revision at any time by the responsible Function Team and will be reviewed every 5 years. This Practice will be revised, reaffirmed, or withdrawn. Information on whether this Practice has been revised may be found at www.pip.org. © Process Industry Practices (PIP), Construction Industry Institute, The University of Texas at Austin, 3925 West Braker Lane (R4500), Austin, Texas 78759. PIP member companies and subscribers may copy this Practice for their internal use. Changes, overlays, addenda, or modifications of any kind are not permitted within any PIP Practice without the express written authorization of PIP. PIP will not consider requests for interpretations (inquiries) for this Practice. Not printed with State funds May 2002 Process Industry Practices Civil PIP CVS02005 Topographic and Plant Surveys Specification Table of Contents 1. Introduction 2 1.1 Purpose 2 1.2 Scope 2 2. References 2 2.1 Government Regulations 2 3. Definitions 2 4. General 3 4.1 Quality Control 3 4.2 Permits 4 4.3 Submittals 4 5. Deliverables 4 5.1 Field Notes, Calculations, and Survey Drawings 4 5.2 Computer Compatible Data Format5 6. Execution 5 6.1 General 5 6.2 Examination of Site 6 6.3 Utilities 6 6.4 Field Work 6 6.5 Topographic Survey 7 APPENDIX - Survey Checklist 9 Process Industry Practices Page 1 of 13 PIP CVS02005 Topographic and Plant Surveys Specification May 2002 1. Introduction 1.1 Purpose The purpose of this Practice is to provide the surveyor with requirements for furnishing adequate field data and information on existing facilities, utilities, site topography, and boundaries. 1.2 Scope This Practice establishes requirements for quality control, permits, deliverables, and survey execution. An electronic checklist is included allowing the owner or the engineer to define the scope of work and requirements for individual surveys. 2. References When adopted in this Practice or in the contract, the edition of the following codes, standards, and specifications in effect on the date of the contract award shall be used unless otherwise specified. Short titles will be used herein when appropriate. 2.1 Government Regulations • U. S. Department of Labor, Occupational Safety and Health Administration (OSHA) — OSHA 29 CFR 1926 - Safety and Health Regulations for Construction • U. S. Department of Commerce, National Oceanic and Atmospheric Administration, National Geodetic Survey (NGS) — Input Formats and Specifications of the National Geodetic Survey Data Base — National Geodetic Survey Data Base — Standards and Specifications for Geodetic Control Networks, Federal Geodetic Control Subcommittee (FGCS) (FGCS Standards) 3. Definitions buyer: The party who awards the contract. The buyer may be the owner or the owner's authorized agent. contract: The legal agreement between the buyer and the surveyor to perform the work described in this Practice contract documents: The complete set of documents that defines the specific obligations and rights of the parties involved in the accomplishment of the work covered by this Practice engineer: The buyer's authorized representative with overall authority and responsibility for project design Page 2 of 13 Process Industry Practices PIP 0V802005 May 2002 Topographic and Plant Surveys Specification key plan: Drawing by the surveyor that details the layout of individual survey drawings with corresponding drawing numbers. Used when the survey covers a large plat of land that involves multiple drawings. survey drawing(s): The drawings developed and submitted by the surveyor surveyor: The individual, partnership, firm, or corporation that is contractually obligated to perform the specified survey services. The surveyor shall be qualified to practice land surveying under the laws of the state in which the property is located. 4. General 4.1 Quality Control Final drawings/report(s) shall be submitted under the seal and signature of a surveyor legally entitled to practice surveying in the state in which the project is located. 4.1.1 Horizontal Control The accuracy of horizontal measurements for establishing primary horizontal control shall meet the requirements of a third -order, class I survey, as defined by FGCS Standards, Table 2.1. Secondary horizontal control networks shall be closed, and traverses shall be tied to primary horizontal controls. The accuracy of controls shall meet the requirements of a third -order, class II survey, as defined by FGCS Standards. 4.1.2 Vertical Control The accuracy of vertical measurements to establish primary vertical control shall meet the requirements of a second -order, class II survey, as defined by FGCS Standards, Table 2.2. Secondary vertical control networks shall be level loops tied to primary vertical controls. The accuracy of controls shall meet the requirements of a third -order, class 11 survey, as defined by FGCS Standards. 4.1.3 Tolerances The surveyor shall meet the following tolerances when making both vertical and horizontal measurements unless otherwise specified in other standards/specifications as listed in the contract documents. a. ±0.10 foot (30 mm) for ground elevations b. ±3 inches (75 mm) for surface contours c. ±1/4 inch (6 mm) for measurements on concrete d. ±1/8 inch (3 mm) for tie-in work and survey of existing facilities 4.1.4 Errors If any errors are observed either in the field work or in calculations, notes, maps, plats, survey drawings, etc., they shall be corrected by the surveyor at no expense to the buyer. Process Industry Practices Page 3 of 13 PIP CVS02005 Topographic and Plant Surveys Specification May 2002 4.2 Permits The surveyor shall obtain all work permits or authorizations required by the buyer or by governmental or regulatory agencies and/or local jurisdictions for performance of the work. 4.3 Submittals The following requirements apply to the surveyor. 4.3.1 Include a schedule of beginning and completion dates of field and office work and dates for submittal of preliminary and final survey. 4.3.2 Include descriptions of any structures, equipment, utilities, vegetation, or other facilities that exist on site. 5. Deliverables 5.1 Field Notes, Calculations, and Survey Drawings 5.1.1 Provide two sets of legible copies of field notes to the buyer. All field notes, calculations, maps, and survey drawings provided by surveyor shall be in English unless otherwise specified in the contract documents or in the Appendix (this Practice). 5.1.2 Provide two sets of prints of all maps, plats, and/or survey drawings. The originals of survey drawings, plats, and maps shall be retained by the surveyor for a minimum of 2 years or longer if requested by the buyer. The document size shall be as approved by the engineer. Unless noted otherwise, survey drawings shall be drawn to the scale, 1 inch equaling 40 feet (1:500). Minimum lettering height shall be 1/8 inch (3 mm). On the drawings, an appropriate grid shall be provided for the coordinate system being used for the survey. The vertical and horizontal datum used for the survey shall be noted on the drawings. 5.1.3 Give the location of power poles, structural columns, manholes, etc., to the centerlines unless clearly noted otherwise. 5.1.4 Draw the surface contours at 1 -foot (300 -mm) contour intervals and reference them to plant datum or mean sea level. High and low points and tree lines shall be identified and be shown on survey drawings. Unless specified otherwise, ground surface elevations shall be taken at regular 50 -foot (15-m) grid intervals. All elevations and coordinates shall be described to the second decimal point of a foot for English system, i.e., 102.35 feet, or to the third decimal point of a meter for metric system, i.e., 98.156 meters. In flat areas where contours cannot accurately define the terrain, appropriate spot elevations shall be provided. 5. I.5 On the survey drawings, show all easements, rights-of-way, property lines, and all new and existing benchmarks and reference monuments used for the survey. Page 4 of 13 Process Industry Practices PIP CVS02005 May 2002 Topographic and Plant Surveys Specification 5.1.6 Show and clearly identify any area designated as protected wetlands (by any governmental agency) within or adjacent to the area surveyed. 5.1.7 Provide 100 -year flood elevations. 5.1.8 Provide data collection printouts (both hardcopy and ASCII formats) if data collection or total station technology is used. 5.1.9 If the survey covers a large plat of land and involves multiple drawings/sheets, provide a key plan detailing the layout of individual drawings with corresponding drawing numbers. 5.1.10 On the drawings/maps, include a legend that describes symbols, abbreviations, and/or graphics, and a graphic scale and north arrow. If the buyer or engineer has typical symbols or mapping guidelines, then show these on the legend and use them to define features. 5.2 Computer Compatible Data Format 5.2.1 The surveyor shall provide a diskette or a CD compatible for use with the specified software format. The electronic format shall contain all contours, artificial features, topographic details, monument locations, and utility locations both above and below ground. The computer data shall match all requirements listed in Section 5.1. The surveyor shall comply with any level/layering, colors, line types, and other guidelines provided by the engineer. 5.2.2 The CAD files shall include the cross section, planimetric, and topographic detail. 5.2.3 American Standard Code for Information Interchange (ASCII) computer files, where required in the Appendix (this Practice), shall include all coordinate points used or calculated with plant coordinates, elevations, and descriptions for each point. Each line in the file shall contain only one point. 5.2.4 Where required in Appendix (this Practice), files shall contain a three- dimensional (3-D) representation of the data. When contours, points, and other ground features are represented in 3-D form, individual contour elements shall each be properly positioned at the correct z-coordinate elevation. 6. Execution 6.1 General 6.1.1 The surveyor shall comply with OSHA 29 CFR 1926 and any other applicable federal, state, and local codes and with any safety requirements of the buyer. 6.1.2 The scope of work, limits of work, schedules, and deliverables are detailed in the Appendix (this Practice). 6.1.3 The survey execution shall be in accordance with FGCS Standards. Process Industry Practices Page 5 of 13 PIP CVS02005 Topographic and Plant Surveys Specification May 2002 6.1.4 The surveyor shall use all reference materials from the National Geodetic Survey (NGS), state plane coordinate systems, and/or local governmental authorities to establish horizontal control and to locate existing monuments, benchmarks, and other markers near the proposed plant site. 6.1.5 If initial field work indicates a need for modification of the work scope, the surveyor shall immediately inform buyer. 6.1.6 In the interest of maintaining good will and of avoiding liability, it is recommended that notification of intentions to survey be given to the land occupant and that permission to enter private lands be obtained by the field party chief before commencement of any field work. 6.1.7 All survey work shall be performed by qualified surveyors and under the direct supervision of a licensed surveyor. 6.2 Examination of Site Surveyors shall examine the site, become familiar with all existing conditions, and evaluate the conditions with respect to performance of the work. 6.3 Utilities If the surveyor is required to perform excavation (to install permanent monuments or for any other reason), he or she shall ensure that no underground utilities are in the area by contacting the owner of underground utilities in the region. To protect personnel and utilities, the surveyor shall perform all work a sufficient distance away from underground and aboveground utilities. 6.4 Field Work 6.4.2 If site modifications are required to perform the survey, the site shall be restored to the original condition or as required by the contract. 6.4.3 All traverses and level loops shall have a minimum of two common points. 6.4.5 Measurement of structures, concrete surfaces, pipe inverts, manholes, and tie-in points shall be made from the primary control points. Measurement of asphalt surfaces, overhead clearances, ditch flow lines, graded areas, and natural terrain may be made from the secondary control points. 6.4.6 Ordinary wooden hubs or stakes shall be considered as temporary benchmarks only. Such benchmarks shall be marked for identification by lath and flags. 6.4.7 Permanent monuments shall be set in concrete and shall be protected from construction traffic. These monuments shall furnish date of survey, unique identification number, and horizontal and vertical control using plant coordinate and vertical datum system. 6.4.8 All field measurements of angles and distances shall be performed to satisfy closure and tolerance requirements. Page 6 of 13 Process Industry Practices PIP CVS02005 May 2002 Topographic and Plant Surveys Specification 6.5 Topographic Survey 6.5.1 The scope of work of the topographic survey is shown in the Appendix (this Practice). 6.5.2 The topographic survey may be accomplished by aerial photogrammetric methods if requirements of these specifications and other contract documents are satisfied. If aerial photography is used, a complete set of prints of all photographs taken shall be furnished to the buyer. 6.5.3 Elevation measurements shall be taken between grid points to cover the following features: a. Full outlines of surface features b. Grade breaks such as top and toe of embankment, crown of roads, edge of shoulders, high point and low point of pavements, and ridge and valley lines 6.5.4 The description of topographic features shall include type, composition, and other relevant data. 6.5.5 All results from the control survey in Section 2 of the Appendix (this Practice) and the land/property survey in Section 5 of the Appendix shall also be shown on the topographic survey drawings. 6.5.6 Typical natural and artificial features to be surveyed are as follows: a. Roads, driveways - centerline, edge of roads and each paving surface in roads, edge of shoulders, curbs and gutters, top and toe of embankments, walkways/sidewalks, width, surface type and composition, etc. b. Paving, slabs, graded areas - edge of each surface, top and toe of embankments, high points and low points, surface type and composition, etc. c. Railroads - centerlines, top of tie, top of rails, point of switch and half point of frog, sufficient points to depict curves, top of ballast, mile post station, type of rail by weight, etc. d. Buildings, structures, foundations, retaining walls (top and bottom of wall), miscellaneous supports - exterior corners and dimensions, top of finish floor/supports, top of grate at drains, description of construction, etc. e. Storm drainage facilities - sumps, catch basins, manholes with covers, headwalls, flared end -sections, top of grate, top of manhole cover, and other drainage features. Include the invert, size, material (e.g., reinforced concrete pipe [RCP], high-density polyethylene [HDPE] pipe, vitrified clay pipe [VCP], etc.), and direction of all connecting pipes. In addition, provide the material, size, square or round, length, and inlet/outlet elevations of all culverts. Process Industry Practices Page 7 of 13 PIP CVS02005 Topographic and Plant Surveys Specification May 2002 f. Sanitary and chemical sewers - manholes with covers, clean outs, and hubs. Include invert, size, material (e.g., RCP, HDPE, VCP, etc.), and direction of all connecting pipes. g. Ditches, swales, flumes, creeks, ponds, shorelines - top and toe of slopes, bottom width, flow lines, waterlines, description of linings and riprap, etc. h. Large trees 1 Miscellaneous facilities - location, outline of fences and utility appurtenances such as poles, manholes, hydrants, monitors, valves, meters, pipeline markers, etc. Clearances - vertical and horizontal clearance for roads, railroads, pipes, and piperacks k. Boundaries and peripheral areas - horizontal and vertical location of boundaries such as property lines, rights-of-way, easements, and battery limits. See Section 5 of the Appendix (this Practice) for property lines, rights-of-way, easements, and battery limits. J. Page 8 of 13 Process Industry Practices PIP CVS02005 May 2002 Topographic and Plant Surveys Specification APPENDIX - Survey Checklist 1.0 GENERAL 1.1. introduction 1.1.1. This checklist defines the scope, limits of work, deliverables, and schedule for conducting a topographic and specified survey. 1.1.2. Items appropriate for the project are checked, and additional information is specified in the space provided or on separate sheets as attachments. 1.2 Site Data 1.2.1. Country: 1.2.2. State: 1.2.3. City or nearest town: 1.2.4. Description of tract: 1.2.5. Description of topography: 1.2.6. Local survey reference system (survey datum): a. Horizontal: b. Vertical: 1.3 References 1.3.1. Drawing no(s).: 1.4 Language English Spanish 1.5 Electronic Files 3-D Microstation (.dgn) file (Version: ) Digital terrain model (DTM) file Process Industry Practices Page 9 of 13 PIP CVS02005 Topographic and Plant Surveys Specification May 2002 AutoCAD (.dwg) file (Version: ) ASCII file (XYZ order: YXZ order: ) Other: 2.0 HORIZONTAL AND VERTICAL CONTROL 2.1 Work to Be Performed Verify existing horizontal and vertical control network by checking agreement among benchmarks. Verify existing horizontal and vertical control network by checking benchmarks with outside local survey monuments. Establish new horizontal and vertical control network, and tie it to existing network if applicable. Tie horizontal control to local survey datum as described in Art. 1.2.6.a. Tie vertical control to local survey datum as described in Art. 1.2.6.b. Show all horizontal and vertical locations with respect to the plant grid system and the plant vertical datum, respectively. 2.2 Limits of Work Drawings: 2.3 Deliverables Provide deliverables required in Section 5.1 of this Practice plus the following: Control network sketches Control network drawings Others: 2.4 Schedule Page 10 of 13 Process Industry Practices PIP CV302005 May 2002 Topographic and Plant Surveys Specification 3.0 TOPOGRAPHIC SURVEY 3.1 Work to Be Performed 3.1.1 Provide complete horizontal and vertical locations and description of all natural and artificial surface features described in Section 6.5 of this Practice. 3.1,2 Elevation measurements shall be taken at grid intervals. 3.1.3 Off-site features to be surveyed: 3.2 Limits of Work Drawings: 3.3 Deliverables Field notes Survey sketches Key plan survey drawings at 1 inch = 1600 feet (1:20000) or larger Individual survey drawings at 1 inch = 40 feet scale (1:500) Others: 3.4 Schedule 4.0 TIE-IN SURVEY 4.1 Work to Be Performed Locations, dimensions, and elevations of the items checked below shall be field verified: Grade elevations: Structure survey: Equipment survey: Anchor bolt survey: Process Industry Practices Page 11 of 13 PIP GVS02005 Topographic and Plant Surveys Specification May 2002 Nozzle locations: Pipe tie-in survey: Others: 4.2 Limits of Work Drawings: 4.3 Deliverables 4.4 Schedule: 5.0 BOUNDARY/LAND SURVEY 5.1 Work to Be Performed Engineering Survey: Provide as part of topographic survey if required. All results shall be shown and fully described on the topographic drawings. a. Locate all rights-of-way and easements within and near the boundaries of the areas to be surveyed. b. Survey boundaries of the area(s) to be surveyed and provide all boundary corner monuments and identify with the plant grid coordinates. c. Conduct all necessary document research and field surveys to accomplish the work as described above. Legal Survey: For land acquisition and/or leasing. Comply with local legal requirements. 5.2 Limits of Work Page 12 of 13 Process Industry Practices PIP CVS02005 May 2002 Topographic and Plant Surveys Specification 5.3 Deliverables 5.4 Schedule Process industry Practices Page 13 of 13 2005 MINIMUM STANDARD DETAIL REQUIREMENTS FOR ALTA/ACSM LAND TITLE SURVEYS as adopted by American Land Title Association and National Society of Professional Surveyors (a member organization of the American Congress on Surveying and Mapping) It Is recognized that members of the American Land Title Association (ALTA) have specific needs, peculiar to title Insurance matters, which require particular Information for acceptance by title Insurance companies when said companies are asked to insure title to land without exception as to the many matters which might be discoverable from survey and inspection and not be evidenced by the public records. In the general interest of the public, the surveying profession, title insurers and abstracters, ALTA and the National Society of Professional Surveyors, Inc. (NSPS) jointly promulgate and set forth such details and criteria for standards. It is recognized and understood that local and state standards or standards of care, whlch surveyors in those respective jurisdictions are bound by, may augment, or even require variations to the standards outlined herein. Where conflicts between the standards outlined herein and any jurisdictional statutes or regulations occur, the more restrictive requirement shall apply. It is also recognized that title Insurance companies are entitled to rely on the survey furnished to them to be of an appropriate professional quality, both as to completeness and as to accuracy. It Is equally recognized that for the performance of a survey, the surveyor will be provided with appropriate data which can be relied upon In the preparation of the survey. For a survey of real property and the plat or map of the survey to be acceptable to a title insurance company for purposes of insuring tide to said real property free and clear of survey matters (except those matters disclosed by the survey and indicated on the plat or map), certain specific and pertinent information shall be presented for the distinct and clear understanding between the client (Insured), the title insurance company (Insurer), and the surveyor (the person professionally responsible for the survey). These requirements are: 1. The client shall request the survey or arrange for the survey to be requested and shall provide a written authorization to proceed with the survey from the person responsible for paying for the survey. Unless spedfically authorized in writing by the Insurer, the Insurer shall not be responsible for any costs associated with the preparation of the survey. The request shall specify that an "ALTAIACSM LAND TITLE SURVEY" is required and shall designate which of the optional Items listed in Table A are to be incorporated. The request shall set forth the record description of the property to be surveyed or, in the case of an original survey, the record description of the parent parcel that contains the property to be surveyed. Complete copies of the record description of the property (or, in the case of an original survey, the parent parcel), any record easements benefiting the property; the record easements or servitudes and covenants burdening the property ("Record Documents"); documents of record referred to in the Record Documents; and any other documents containing desired appropriate information affecting the property being surveyed and to which the survey shall make reference shall be provided to the surveyor for notation on the plat or map of survey. 2. The plat or map of such survey shall bear the name, address, telephone number, and signature of the professional land surveyor who performed the survey, his or her official seal and registration number, the date the survey was completed, the dates of all of the surveyor's revisions and the caption "ALTA/AGSM Land Title Survey" with the certification set forth In paragraph 8. 3. An "ALTNACSM LAND TITLE SURVEY" shall be in accordance with the then -current "Accuracy Standards for Land Tale Surveys" ("Accuracy Standards") as adopted, from time to time by the National Society of Professional Surveyors and the American Land Title Association and incorporated herein by reference. 4. On the plat or map of an "ALTAIACSM LAND TITLE SURVEY" the survey boundary shall be drawn to a convenient scale, with that scale clearly indicated. A graphic scale, shown In feet or meters or both, shall be included. A north arrow shall be shown and when practicable, the plat or map of survey shall be oriented so that north Is at the top of the drawing. Symbols or abbreviations used shall be identified on the face of the plat or map by use of a legend or other means. If necessary for clarity, supplementary or exaggerated diagrams shall be presented accurately on the plat or map. The plat or map shall be a minimum size of 8'% by 11 Inches. 5. The survey shall be performed on the ground and the plat or map of an "ALTNACSM LAND TITLE SURVEY' shall contain, In addition to the required items already specified above, the following applicable information: All data necessary to Indicate the mathematical dimensions and relationships of the boundary represented, with angles given directly or by bearings, and with the length and radius of each curve, together with elements necessary to mathematically define each curve. The point of beginning of the surveyor's description shall be shown as well as the remote point of beginning if different. A bearing base shall refer to some well -fixed line, so that the bearings may be easily re-established. The North arrow shall be referenced to its bearing base and should that bearing base differ from record title, that difference shall be noted. (a) (b) When record bearings or angles or distances differ from measured bearings, angles or distances, both the 2005 Version 1 record and measured bearings, angles, and distances shall be dearly Indicated. If the record description fails to form a mathematically closed figure, the surveyor shall so indicate. (c) Measured and record distances from corners of parcels surveyed to the nearest right-of-way lines of streets In urban or suburban areas, together with recovered lot corners and evidence of lot corners, shall be noted. For streets and highways abutting the property surveyed, the name, the width and location of pavement relative to the nearest boundary line of the surveyed tract, and the width of existing rights of way, where available from the controlling jurisdiction, shall be shown. Observable evidence of access (or lack thereof) to such abutting streets or highways shall be indicated. Observable evidence of private roads shall be so Indicated. Streets abutting the premises, which have been described in Record Documents, but not physically opened, shall be shown and so noted. (d) The identifying titles of all recorded plats, filed maps, right of way maps, or similar documents which the survey represents, wholly or in part, shall be shown with their appropriate recording data, filing dates and map numbers, and the lot, block, and section numbers or letters of the surveyed premises. For non -platted adjoining land, names, and recording data identifying adjoining owners as they appear of record shall be shown. For platted adjoining land, the recording data of the subdivision plat shall be shown. The survey shall indicate platted setback or building restriction lines which have been recorded In subdivision plass or which appear in Record Documents whfch have been delivered to the surveyor. Contiguity, gores, and overlaps along the exterior boundaries of the surveyed premises, where ascertainable from field evidence or Record Documents, or interior to those exterior boundaries, shall be clearly indicated or noted. Where only a part of a recorded lot or parcel is included in the survey, the balance of the lot or parcel shall be Indicated. (h) (1) All evidence of monuments shall be shown and noted to indicate which were found and which were placed. All evidence of monuments found beyond the surveyed premises on which establishment of the comers of the surveyed premises are dependent, and their application related to the survey shall be indicated. The character of any and all evidence of possession shall be stated and the location of such evidence carefully given In relation to both the measured boundary lines and those established by the record. An absence of notation on the survey shah be presumptive of no observable evidence of possession. The location of all buildings upon the plot or parcel shall be shown and their locations defined by measurements perpendicular to the nearest perimeter boundaries. The precision of these measurements shall be commensurate with the Relative Positional Accuracy of the survey as specified In the current Accuracy Standards for ALTNACSM Land Title Surveys. if there are no buildings erected on the property being surveyed, the plat or map shall bear the statement, 'No buildings." Proper street numbers shall be shown where available. Alt easements evidenced by Record Documents which have been delivered to the surveyor shall be shown, both those burdening and those benefiting the property surveyed, indicating recording information. if such an easement cannot be located, a note to this effect shall be included. Observable evidence of easements and/or servitudes of all kinds, such as those created by roads; rights-of-way; water courses; drains; telephone, telegraph, or electric lines; water, sewer, oil or gas pipelines on or across the surveyed property and on adjoining properties if they appear to affect the surveyed property, shall be located and noted. If the surveyor has knowledge of any such easements and/or servitudes, not observable at the time the present survey is made, such lack of observable evidence shall be noted. Surface Indications, if any, of underground easements and/or servitudes shall also be shown. The character and location of all walls, buildings, fences, and other visible improvements within five feet of each side of the boundary lines shall be noted. Without expressing a legal opinion, physical evidence of all encroaching structural appurtenances and projections, such as fire escapes, bay windows, windows and doors that open out, flue pipes, stoops, eaves, cornices, areaways, steps, Vim, etc., by or on adjoining property or on abutting streets, on any easement or over setback lines shown by Record Documents shall be Indicated with the extent of such encroachment or projection. If the client wishes to have additional information with regard to appurtenances such as whether or not such appurtenances are independent, division, or party walls and are plumb, the client will assume the responsibility of obtaining such permissions as are necessary for the surveyor to enter upon the properties to make such determinations. (J) Driveways, alleys and other ways of access on or crossing the property must be shown. Where there is evidence of use by other than the occupants of the property, the surveyor must so Indicate on the plat or map. Where driveways or alleys on adjoining properties encroach, In whole or in part, on the property being surveyed, the surveyor must so indicate on the plat or map with appropriate measurements. (k) As accurately as the evidence permits, the location of cemeteries and burial grounds (I) disclosed In the Record Documents provided by client or (II) observed in the process of performing the field work for the survey, shall be shown. (1) Ponds, lakes, springs, or rivers bordering on or running through the premises being surveyed shall be shown. 6. As a minimum requirement. the surveyor shall furnish two sets of prints of the plat or map of survey to 2005 Version 2 the title insurance company or the dient. If the plat or map of survey consists of more than one sheet, the sheets shall be numbered, the total number of sheets indicated and match lines be shown on each sheet. The prints shall be on durable and dimensionally stable material of a quality standard acceptable to the title Insurance company. The record title description of the surveyed tract, or the description provided by the client, and any new description prepared by the surveyor must appear on the face of the plat or map or otherwise accompany the survey. When, In the opinion of the surveyor, the results of the survey differ significantly from the record, or If a fundamental dedsfon related to the boundary resolution Is not clearly reflected on the plat or map, the surveyor may explain this information with notes on the face of the plat or map or in accompanying attachments. If the relative positional accuracy of the survey exceeds that allowable, the surveyor shall explain the site conditions that resulted in that outcome with a note on the face of the map or plat. 7. Water boundaries necessarily are subject to change due to erosion or accretion by tidal action or the flow of rivers and streams. A realignment of water bodies may also occur due to many reasons such as deliberate cutting and filling of bordering lands or by avulsion. Recorded surveys of natural water boundaries are not relied upon by title insurers for location of title. When a property to be surveyed for tide insurance purposes contains a natural water boundary, the surveyor shall measure the location of the boundary according to appropriate surveying methods and note on the plat or map the date of the measurement and the caveat that the boundary is subject to change due to natural causes and that it may or may not represent the actual location of the limit of title. When the surveyor is aware of changes in such boundaries, the extent of those changes shall be Identified. 8. When the surveyor has met all of the minimum standard detail requirements for an ALTNACSM Land Title Survey, the following certification shall be made on the plat: To (name of client), (name of lender, if known), (name of title insurance company, If known), (name of others as Instructed by client): This is to certify that this map or plat and the survey on which itis based were made in accordance with the "Minimum Standard Detail Requirements for ALTNACSM Land Title Surveys," Jointly established and adopted by ALTA and NSPS in 2005, and Includes Items of Table A thereof. Pursuant to the Accuracy Standards as adopted by ALTA and NSPS and in effect on the date of this certification, undersigned further certifies that in my professional opinion, as a land surveyor registered In the State of the Relative Positional Accuracy of this survey does not exceed that which is specified therein. Date: (signed) (seal) Registration No. NOTE: If, as otherwise allowed in the Accuracy Standards, the Relative Positional Accuracy exceeds that which is specified therein, the following certification shall be made on the plat: To (name of client), (name of lender, If known), (name of title Insurance company, If known), (name of others as instructed by client): This is to certify that thls map or plat and the survey on which It Is based were made In accordance with the "Minimum Standard Detail Requirements for ALTA/ACSM Land Title Surveys," jointly established and adopted by ALTA and NSPS In 2005, and Includes Items of Table A thereof. Pursuant to the Accuracy Standards as adopted by ALTA and NSPS and In effect on the date of this certification, undersigned further certifies that In my professional opinion, as a land surveyor registered In the State of the maximum Relative Positional Accuracy Is feet. Date: (signed) Laid Reotstrallon No, The 2005 Minimum Standard Detail Requirements for ALTA/ACSM Land Title Surveys are effective January 1, 2006. As of that date, all previous versions of the Minimum Standard Detail Requirements for ALTNACSM Land Title Surveys are superseded by these 2005 standards. Adopted by the American Land Title Association on October 5, 2005. Adopted by the Board of Directors, National Society of Professional Surveyors on October 24 2005. American Land Title Association, 1828 L St., N.W., Suite 705, Washington, D.C. 20038. National Society of Professional Surveyors, Inc., 6 Montgomery Village Avenue, Suite 403, Gaithersburg MD 20879 2005 Version 3 TABLE A OPTIONAL SURVEY RESPONSIBILITIES AND SPECIFICATIONS NOTE: The items of Table A must be negotiated between the surveyor and client It may be necessary for the surveyor to qualiiy or expand upon the description of these items, e.g., In reference to Item 6, there may be a need for an interpretation of a restriction. The surveyor cannot make a certification on the basis of an interpretation or opinion of another party. Items 16, 17 and 18 are only for use on projects for the U.S. Department of Housing and Urban Development (HUD). if checked, the following optional Items are to be Included In the ALTA/ACSM LAND TITLE SURVEY, except as otherwise negotiated: 1. Monuments placed (or a reference monument or witness to the corner) at all major comers of the boundary of the properly, unless already marked or referenced by an existing monument or witness to the comer. 2. Vicinity map showing the property surveyed in reference to nearby highway(s) or major street Intersection(s). 3. Flood zone designation (with proper annotation based on federal Flood Insurance Rate Maps or the state or Local equivalent, by scaled map location and graphic plotting only.) 4. Gross land area (and other areas if specified by the client). 5. Contours and the datum of the elevations. 6. List setback, height, and floor space area restrictions disclosed by applicable zoning or building codes (beyond those required under paragraph 5d of these standards). If none, so state. The source of such information must be disclosed. See Note' above. 7. (a) Exterior dimensions of all buildings et ground level (b) Square footage of (1) exterior footprint of ail buildings et ground level (2) gross floor area of all buildings; or (3) other areas to be defined by the client (c) Measured height of all buildings above grade at a defined location. If no defined location is provided, the point of measurement shall be shown. 8. Substantial, visible improvements (in addition to buildings) such as billboards, signs, parking structures, swimming pools, etc. 9. Parking areas and, if striped, She striping and the type (e.g. handicapped, motorcycle, regular, etc.) and number of parking spaces. 10. Indication of access to a public way on land such as curb cuts and driveways, and to and from waters adjoining the surveyed tract, such as boat slips, launches, piers and docks.. 11. Location of utilities (representative examples of whkh are shown below) existing on or serving the surveyed property as determined by: (a) Observed evidence (b) Observed evidence together with evidence from plans obtained from utility companies or provided by client, and markings by utility companies and other appropriate sources (with reference as to the source of information) • railroad tracks and sidings; manholes, catch basins, valve vaults or other surface indications of subterranean uses; wires and cables (including their function, if readrly identifiable) crossing the surveyed premises, all poles on or within ten feet of the surveyed premises, and the dimensions of all crossmembers or overhangs affecting the surveyed premises; and utility company installations on the surveyed premises. 12. Governmental Agency surveyaelated requirements as specified by the client. 2005 Version 4 13. Names of adjoining owners of platted lands. 14. The distance to the nearest intersecting street as designated by the client 15. Rectified orthophotography, photogrammetric mapping laser scanning and other similar products, tools or technologies may be utilized as the basis for the location of certain features (excluding boundaries) where ground measurements ere not otherwise necessary to locate those features to en appropriate and acceptable accuracy relative to a nearby boundary. The surveyor shall (a) discuss the ramifications of such methodologies (e.g. the potential accuracy and completeness of the data gathered thereby) with the title company, lender and client prior to the performance of the survey and, (b) place a note on the face of the survey explaining the source, date, relative accuracy and other relevant qualifications of any such data. Observable evidence of earth moving work, building construction or building additions within recent months. Any changes in street right of way lines either completed or proposed, and available from the controlling jurisdiction, Observable evidence of recent street or sidewalk construction or repairs, Observable evidence of site use as a solid waste dump, sump or sanitary landfill. 2005 Version 5 Accuracy Standards for ALTAIACSM Land Title Surveys Introduction accurately the surveyor Is able to monument or report those positions. These Accuracy Standards address Relative Positional Accuracies for measurements that control land boundaries on ALTAIACSM Land Title Surveys. In order to meet these standards, the surveyor must assure and certify that the Relative Positional Accuracies resulting from the measurements made on the survey do not exceed that which is allowable. If the size or configuration of the property to be surveyed, or the relief, vegetation or improvements on the property will result in survey measurements for which the allowable Relative Positional Accuracies will be exceeded, the surveyor must alternatively certify as to the Relative Positional Accuracy that was otherwise achieved on the survey. Definition: "Relative Positional Accuracy" means the value expressed in feet or meters that represents the uncertainty due to random errors in measurements in the location of any point on a survey relative to any other point on the same survey at the 95 percent confidence level. Background The lines and comers on any property survey have uncertainty in location which is the result of (1) availability and condition of reference monuments, (2) occupation or possession lines as they may differ from record lines, (3) clarity or ambiguity of the record descriptions or plats of the surveyed tracts and its adjoiners and (4) Relative Positional Accuracy. The first three sources of uncertainty must be weighed as evidence in the determination of where, in the professional surveyor's opinion, the boundary lines and corners should be placed. Relative Positional Accuracy is related to how 2005 Version 6 Of these four sources of uncertainty, only Relative Positional Accuracy is controllable, although due to the inherent error in any measurement, it cannot be eliminated. The first three can be estimated based on evidence; Relative Positional Accuracy can be estimated using statistical means. The surveyor shall, to the extent necessary to achieve the standard contained herein, (1) compensate or correct for systematic errors, including those associated with instrument calibration, (2) select the appropriate equipment and methods, and use trained personnel and (3) use appropriate error propagation and other measurement design theory to select the proper instruments, field procedures, geometric layouts and computational procedures to control random errors. If radial survey methods, GPS or other acceptable technologies or procedures are used to locate or establish points on the survey, the surveyor shall apply appropriate procedures in order to assure that the allowable Relative Positional Accuracy of such points is not exceeded. Computation of Relative Positional Accuracy Relative Positional Accuracy may be tested by: (1) comparing the relative location of points in a survey as measured by an independent survey of higher accuracy or (2) the results of a minimally constrained, correctly weighted feast square adjustment of the survey. Allowable Relative Positional Accuracy for Measurements Controlling Land Boundaries on ALTA/ACSM Land Title Surveys 0.07 feet (or 20 mm) + 50 ppm Chevron Piceance Fugitive Dust Control Plan (FDCP) Docurnent No. PSSR-ALL-CIV-SPC-URS-00000-04013-00 Revised March 11, 2009 The scope of this document is to outline the basic requirements to minimize and control fugitive dust emissions during land development activities. These guidelines will be reviewed periodically and will be shared with employees and contractors to ensure that they have adequate knowledge to minimize fugitive dust emissions. Introduction Land development activities, including clearing, excavating, and grading, release dust to the atmosphere. This fugitive dust is regulated as an air pollutant by the Air Pollution Control Division (APCD) at the Colorado Department of Public Health and Environment. Land development projects ranging from 25 to 1,850 acres in size require permitting through the APCD and the implementation of fugitive dust controls. Projects exceeding 1,850 acres will be subject to a construction permit and public notice proceedings. Small land development activities that are less than 25 contiguous acres and less than 6 months in duration are exempt from permitting and do not need to report air emissions to the APCD, but must use appropriate control measures to minimize the release of fugitive dust from the site. This Fugitive Dust Control Plan addresses how dust will be kept to a minimum on all applicable sites in Piceance. This plan focuses action on: 1.0 General Operating Conditions 2.0 Control Measures for Unpaved Roadways and Disturbed Areas 3.0 Recordkeeping and Permit Registration 4.0 Contingency Planning 1.0 General Operating Conditions Field personnel and contractors are required to limit fugitive particulate matter (fugitive dust) from all specific sources by taking the following steps: • Fugitive dust from all activities, on-site haul roads, and haul trucks operating on Chevron property must not result in off -property transport of visible emissions • Fugitive dust on off-site haul roads must not interfere with or cause an inconvenience on public or private property • Fugitive dust from material in haul trucks must not result in visible emissions when operating off-site of Chevron property 2.0 Control Measures for Unpaved Roadways and Disturbed Areas Construction or maintenance work of any unpaved roadway may cause fugitive dust emissions. Wind erosion of disturbed areas, including new roads, well pads, parking and staging areas, and materials storage areas that have been cleared of vegetation, leveled, or excavated, can also be a major source of fugitive dust emissions. The following mitigation methods and controls are required to minimize these emissions: • All unpaved roads and disturbed surface areas on site shall be watered as necessary to prevent off -property transport of visible fugitive particulate emissions • Vehicle speeds on all unpaved roads and disturbed areas on the project site shall not exceed a maximum of 30 miles per hour. Speed limit signs must be posted along these roads. • Land clearing, grading, earthmoving, and excavation activities must be suspended when wind speeds exceed a velocity of 30 miles per hour • All disturbed surface areas shall be revegetated within one year and completed according to the information submitted in the permit application • Gravel entryways shall be utilized to prevent mud and dirt carryover onto paved surfaces. Any mud and dirt carryout onto paved surfaces shall be cleaned up daily. Other control measures that are recommended at the site but not required include: • Compacting foundation soil on a daily basis to within 90% of maximum compaction • Installing silt fencing prior to earthmoving activities along property borders that are adjacent to developed areas 3.0 Recordkeeping and Permit Registration All records of current approved fugitive dust permits, Air Pollutant Emission Notices, and approval letters from the APCD shall be kept and maintained on site. Chevron must receive approval from the APCD prior to commencement of a new land development project. Conditional approval for a fugitive dust general permit is effective from the date the complete registration request is received by the APCD. A modified permit registration must be submitted to the APCD when: • An increase in project size will result in greater emissions • An increase in the duration of the project will result in fugitive particulates being released longer than initially reported • An increase in the amount of paving will occur on the site • A decrease in dust control measures will be implemented from those initially reported 4.0 Contingency Planning Alternative control measures may become necessary in the event that the current dust control strategy is not adequate or effective for conditions. An alternative plan may require additional planning, permitting, or other regulatory compliance requirements be implemented. When an alternative plan is needed, the current activities at the project site must be suspended until such time as the alternate dust control methods are put into place. These methods may include: • Provide field personnel and contractors with contact information for responsible individuals in cases where control measures need to be escalated in response to weather conditions (i.e. shut down of operations due to increase in wind speed) • Use an appropriate alternative dust inhibitor if water does not prove to be effective, and obtain all regulatory permissions for the use of chemical suppressants on the project site • Use vegetative blankets or other methods for cover of topsoil, spoil, and bulk material storage piles if immediate cover becomes necessary • Attempt to locate alternative sources of bulk material closer to the project site if fugitive dust emissions or other impacts from contract haul trucks on state or federal highways become an issue with public safety or regulatory compliance Bond No.: 6574073 RECLAMATION (REVEGETATION) BOND KNOW ALL MEN BY THESE PRESENTS, that the undersigned Chevron U.S.A. Inc. as Principal and SAFECO INSURANCE COMPANY OF AMERICA as Surety are held and firmly bound unto Board of County Commissioners of Garfield County, Colorado, as Obligee in the penal sum of Five Thousand, Six Hundred and No /00—($5,600.00) for the payment of which, well and truly to be made the said principal and the said Surety, bind themselves, their heirs, executors, administrators, successors and assigns, jointly and severally, firmly by these presents. WHEREAS, the Principal has applied for a Special Use Permit for "Processing and Material Handling of Natural Resources" for a service pad and booster compressor station and the Garfield County Vegetation Director has required a Revegetation bond securing Principal's performance under the "Garfield County Weed Management Plan" as a condition of approval of the Special Use Permit for the service pad and booster compressor station, all as more specifically set out in the Garfield County's Building and Planning Department report dated August 4, 2008. NOW, THEREFORE, if such permit is granted and if the Principal shall faithfully perform its duties under the terms of the permit, then this obligation shall be null and void, otherwise to remain in full force and effect. PROVIDED, that if Surety shall so elect, this bond may be cancelled as to subsequent liability by giving thirty (30) days notice in writing to both the Principal and Obligee. IN WITNESS WHEREOF, the Principal and Surety have hereunto set their hands and seals this 3r'D day of SEPTEMBER, 2008. The effective date of this bond is SEPTEMBER 3, 2008. (Seal) (Seal) Chevron U.S.A. Inc. 19-r- MG.CAACK, s :- SAFECO INSURANCE COMPANY OF�AMERICA YINU Julia[JVio, Attorney-in-fact State of California County of San Francisco On 9/3/2oo8 before me, Romeo Shaw, Notary Public, personally appeared Julia Mo who proved to me on the basis of satisfactory evidence to be the person(s) whose name(s) is/are subscribed to the within instrument and acknowledged to me that helshelthey executed the same in his/her/ authorized capacity(tes), and that by #i-s/herI heh signature(s) on the instrument the person(s), or the entity upon behalf of which the person(s) acted, executed the instrument. I certify under PENALTY OF PERJURY under the laws of the State of California that the foregoing paragraph is true and correct. WITNESS my hand and official seal. (seal) Signature egraec',,24,-) ROMEO SHAW 'k COMM. # 1798551 NOTARY PUBLIC. CALIFORNIA SAN FRANCISCO COl1NTY tv My Comm, Expires May 19, 2012 �l POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS: That SAFECO INSURANCE COMPANY OF AMERICA and GENERAL INSURANCE COMPANY OF AMERICA, each a Washington corporation, does each hereby appoint **""'"""*TOM BRANIGAN: JOHN T. LET IlERl, JULIA MO; PATRICK T. MOUGHAN; San Francisco, Cah(omia•*444 " " No. Safeco Insurance Company of America Genera! Insurance Company of America Safeco Plaza • Seattle. WA 98185 2507 4 its true and lawful attorneys} -in -fact, with full authority to execute on its behalf fidelity and surety bonds or undertakings and other documents of a similar character issued in the course of its business, and to bind the respective company thereby. IN WITNESS WHEREOF. SAFECO INSURANCE COMPANY OF AMERICA and GENERAL INSURANCE COMPANY OF AMERICA have each executed and attested these presents this 16th day of August , 2007 STEPHANIE OALEY-WATSON,SECRETARY TIM M(KOLAJ£WSKI, SENIOR VICE-PRESIDENT, SURETY CERTIFICATE • Extract from the By -Laws of SAFECO INSURANCE COMPANY OF AMERICA and of GENERAL INSURANCE COMPANY OF AMERICA: "Article V, Section 13. - FIDELITY AND SURETY BONDS ... the President, any Vice President, the Secretary, and any Assistant Vice President appointed for that purpose by the officer in charge of surety operations, shall each have authority to appoint individuals as attorneys -in -fact or under other appropriate titles with authority to execute on behalf of the company fidelity and surety bonds and other documents of similar character issued by the company in the course of its business... On any instrument making or evidencing such appointment, the signatures may be affixed by facsimile. On any instrument conferring such authority or on any bond a undertaking of the company, the seal, or a facsimile thereof, may be impressed or affixed or in any other manner reproduced; provided. however, that the seal shalt not he necessary to ttie validity of any such instrument or undertaking Extract from a Resolution of the Board of Directors of SAFECO INSURANCE COMPANY OF AMERICA and of GENERAL INSURANCE COMPANY OF AMERICA adopted Jury 28, 1970. "On any certificate exec -Wed try the Secretary or an assistant secretary of the Company setting out, (i) The provisions of Article V, Section 13 of the 13y -Laws, and (if) A copy of the powerof-attomoy appointment, executed pursuant thereto, and (iii) Certifying that said power-of-attorney appointment is in full force and effect, the signature of the certifying officer may be by facsimile, andthe seal of the Company may be a facsimile thereof." 1, Stephanie Daley -Watson , Secretary of SAFECO INSURANCE COMPANY OF AMERICA and of GENERAL INSURANCE COMPANY OF AMERICA, do hereby certify that the foregoing extracts of the By -Laws and of a Resolution of the Board of directors of these corporations, and of a Power of Attorney issued pursuant thereto, are true and correct, and that both the 13y -Laws. the Resolution and the Power of Attorney are still in fuf force and effect. IN WITNESS WHEREOF,1 have hereunto set my hand and affixed the facsimile sea( of said corporation 11iis 3RD day of SEPTEMBER S 974IQS 4105 lektP-AourAJ Joi6f)41/4L. STEPHANIE DALEY-WATSON, SECRETARY Safec+>30 And the Safeco loop are registered trademarks of Safeco Corporation. WEB PDF CALIFORNIA ALL-PURPOSE ACKNOWLEDGMENT .sU'.�C2�i����•�'\�5.�.L�i�cri�?G'la.,'�S.:aa>'r'a>,r`\��5.�.��� �NrT{,. �5�: ».A��s1a��R,s �a,aj.%��c�.ica �<F j3;,TS;:jS;'��� s+a:L� Y'1, State of California County of co,t, Onq(2°4- Date personally appeared } before me, ke44In ,Gv, y ti, Here insert Name Title o the Officer `ie/tet in4 V ". Names) of Signer{sj KEVIN WANG Commission # 1791505 '''"Jo Notary Public - California f Contra Costa County Myy Camra. Ex /res Fed ttt 2Q1 Place Notary Seal Above who proved to me on the basis of satisfactory evidence to be the person(s) whose name(s) is/are subscribed to the within instrument and acknowledged to me that he/she/they executed the same in his/her/their authorized capacity(ies), and that by his/her/their signature(s) on the instrument the person(s), or the entity upon behalf of which the person(s) acted, executed the instrument. I certify under PENALTY OF PERJURY under the laws of the State of California that the foregoing paragraph is true and correct. WITNESS my hand and official seal. Signature OPTIONAL Signalure of Notary Public Though the Information below is not required by law, it may prove valuable to persons relying on the document and could prevent fraudulent removal and reattachment of this form to another document. Description of Attached Document /J Title or Type of Document:e�R-e vesete, io v.. BcA Document Date: 7 ? 20O Number of Pages: 1 Signer(s) Other Than Named Above: Capacity(les) Claimed by ySSiigner(s) Signer's Name: 1'tl•NcAri, ❑ Individual r Corporate Officer — Title(s): ❑ Partner --- O Limited 0 General L I Attorney in Fact L I Trustee O Guardian or Conservator O Other: Signer's Name: LI Individual tgts+ S t yr BGtSty 0 Corporate Officer — Title(s): ❑ Partner -- 0 Limited 0 General 0 Attorney in Fact ❑ Trustee ❑ Guardian or Conservator ❑ Other: Signer Is Representing. O'r n (% S. A -c RIGHT TH OF S UMBPRINT IGNER Top of th umb here Signer Is Representing: RIGHTTHUMBPR1NT OF SIGNERS.: Top of thumb here 4�4�✓L�r!< ✓ 6C�< :',v'.`' :�4`'Gvdt✓,<'ei4V6Y:4'.04W/W,G 4 4•A:<oleN ^A ✓ C++ 's.e.VMGW'.mei,4 ,,<`..�✓.�_.4��<'ef: r�✓.:�. !G "4\4 52007 National Notary Association • 9350 Oe Soto Ave., P.O. Box 2402 • Chatsworth,CA 91313-2402• wa w.NationalNotaryorg . item *5907 Reorder: Cal Toll -Free 1-800-870-6827 CONSIDER A SPECIAL USE PERMIT FORA SERVICE PAD/BOOSTER COMPRESSOR STATION TO SUPPORT NATURAL GAS PRODUCTION OPERATIONS WITHIN THE R/L ZONE DISTRICT, LOCATED 1.9 MILES NORTH OF THE END OF COUNTY ROAD 211, AND NORTHEAST OF DEBEQUE. SALLY E. CUFFIN, P.E. OF URS IS THE REPRESENTATIVE FOR THE APPLICANT, CHEVRON USA, INC. — DUSTY DUNBAR Dusty Dunbar, Sally Cuffin of URS. Julie Justice with Chevron and Carolyn Dahlgren were present. Carolyn reviewed the noticing requirements. Carolyn determined that the noticing requirements were accurate and timely and advised the Board they were entitled to proceed. Mailing on the notice was for both hearing but the publications are separate. Chairman Martin swore in the speakers. Dusty entered the following exhibits: Exhibit A — Mail Receipts; Exhibit B - Proof of Publication; Exhibit C -- Garfield County Zoning Regulations of 1978 as amended; Exhibit D - Staff Report; Exhibit E — Application; Exhibit F — Staff Power Point. Chairman Martin entered Exhibits A — D into the record REQUEST The Building & Planning Department received a Special Use Permit (SUP) application for "Processing and Material Handling of Natural Resource" for the installation of two booster compressors and related communication system on an existing well pad located atop a 54,000-acre property owned by Chevron USA, Inc. The site is located beyond the end of County Road 211, north of Debeque. The location of the approximate 4-acre facility is 1.4 miles beyond the private gate at the end of CR 211. The Applicant requests approval from the Board for installation of a Service Pad / Booster Compressor Station and an associated communications system. The proposed facility will make use of an existing well pad (Skinner Ridge 598-25-4) and an additional 1.4 acres of previously undisturbed ground for the project. Available space on the existing pad will also be used for `frac' equipment and supplies. By adding two Caterpillar G3516 LE combination compressor / generators, two adjacent well pads tinder construction can transfer natural gas to the Central Production Facility. Construction Air Permits for the two compressors were approved by the CDPHE on January 29, 2008. Approval of a renewed storm water permit took place in August, 2007. BACKGROUND Referral to Planning Commission Staff brought the application to the attention of the BOCC to determine if a referral to the Planning Commission was necessary. The BOCC did not refer the application to the Planning Commission. SITE DESCRIPTION The proposed site where the Compressor is located is situated on flat stream basin land bordering Tom Creek, northeast of the confluence of Torn Creek and Clear Creek. The Compressor is located on approximately 4 acres of a 54,000-acre parcel owned by Chevron USA. The area where the Compressors are to be located is surrounded by steep slopes and canyon terrain. Dense, mature riparian vegetation exists along the creeks as They pass through the area. STAFF RECOMMENDATION Due to the following conditions: • 1) the limited nature of potential impacts to surrounding properties, • 2) the remote location of the property such that it is situated at the end of a dead-end county road which is used primarily for industrial traffic serving the existing industrial uses in the area with very limited general population traffic, • 3) and the fact that the site itself will be situated in an industrial area already characterized by intense industrial activity from processing activities, • 4) the proposed expansion is to an existing facility, Staff recommends the Board approve the request for a Special Use Permit for a Service Pad/ Booster Compressor Station with the following conditions: 1. That all representations of the Applicant, either within the application or stated at the hearing before the Board of County Commissioners, shall be considered conditions of approval unless explicitly altered by the Board. 2. That the operation of the facility be done in accordance with all applicable Federal, State, and local regulations governing the operation of this type of facility. 3. That the Applicant shall comply with the fire protection provisions included in the rules and regulations of the Colorado Oil and Gas Conservation Commission (COGCC) and the International Fire Code as the Code pertains to the operation of this facility. 4. Volume of sound generated shall comply with the standards set forth in the Colorado Revised Statutes. 5. Vibration generated: the Compressor shall be so operated that the ground vibration inherently and recurrently generated is not perceptible, without instruments, at any point of any boundary line of the property on which the use is located. 6. Emissions of smoke and particulate matter: the Compressor shall be so operated so as to comply with all Federal, State and County air quality laws, regulations and standards. 379 7. Emission of heat, glare, radiation and fumes: the Compressor shall be so operated that it does not emit heat, glare, radiation or fumes which substantially interfere with the existing use of adjoining property or which constitutes a public nuisance or hazard. . 8. Any storage area for uses not associated with natural resources shall not exceed ten (10) acres in size. 9. Any lighting of storage area shall be pointed downward and inward to the property center and shaded to prevent direct reflection on adjacent property. 10, Water pollution: in a case in which potential hazards exist, it shall be necessary to install safeguards designed to comply with the Regulations of the Environmental Protection Agency before operation of the facilities may begin. All percolation tests or ground water resource tests as may be required by local or State Health Officers must be met before operation of the facilities may begin. 11. That all proper building permits are obtained for the structures associated with the operation of the Compressor prior to the issuance of a Special Use Permit. 12. Additional permit bonding shall be put into place for the previously undisturbed 1.4 acres of the compressor site, and an updated reclamation plan for this acreage shall be submitted prior to the issuance of the permit. Dusty called attention to the building permits in Conditions II and 12 and additional permit bonding shall be put into place for the previously undisturbed 1.4 acres of the compressor site and an updated reclamation plan for this acreage shall be submitted prior to the issuance of this permit. The well pad site on which they propose site this compressor booster station has not been disturbed and so it doesn't fall under the bond that exists for that well pad site so this is outside of that and I'm requesting that a bond be put forth for the reclamation and weed management recommendations for that to be newly disturbed part of that well site. The entire composing acreage is 4.1 and the rest of it is held under a bond for the existing well pad but that's for the disturbed area for that, Commissioner Houpt — You stated this has a reference to confluence of the Tom and Clear Creeks. Dusty — That's an error, its Potts Creek. It is a confluence but Tom Creek is a small intermittent stream and Potts even more so there are mitigation measures that are required of the well pad sites to meet this. Commissioner Houpt — So those conditions were put in with that in mind and my question was is there any additional concern because of the location of continuing to expand the industrial activity. Dusty - Because this is a compressor station and doesn't involve water or tanks, it's mainly a piece of equipment and the pipeline is contained and would be just gathering from those two sites. The present permitting is probably adequate but you could certainty pose that of the engineer that is representing URS to speak to some of the safeguards in place. Carolyn — There is storing of fracing equipment here as well. Dusty — There is some, not to my knowledge, not of containers of liquids, or water, it is mostly materials, pipes and those sorts of things. Carolyn — So in another context it might be called a laydown yard. Dusty — That's an adequate statement. Carolyn — No issues with screening or anything like that. Dusty — Screening usually applies to the affect on adjacent parcels and because this is a very sizable privately held parcel and because this site is also nested down in a very narrow canyon that you also do not see until you're within 2110'" of a mile. Carolyn— Because we permit uses in Garfield County, now really sites, just wanted to make sure that the word storage includes as a use as well as everything else is being asked for in the SUP. Dusty — Some of that activity is already held within permits that are for the well sites and it's unclear to me exactly where one stops and one begins because it's all this concentrated disturbed area that is under those particular permits. Carolyn — My understanding was that the storage would be on the 1.9 acres that is off the well pad. Commissioner Houpt — If that is additional storage on top of the separate SUPs. Sally — Basically on the existing well pads there is fracing operations for the two adjacent well pads at that location so there will be frac tanks with little pads but it will only be there until they done fracing those two wells. This is not on the newly disturbed area, not the compressor pad that is to be the newly disturbed area. Commissioner Houpt asked Sally to respond to the question that 1 had posed about what kind of cumulative impact could potentially be there since there is a confluence although they are small creeks or intermittent, they exist and if that's been considered in your application process and part of your plans. Sally — Basically the fracing operation is short term and the contractor is under requirements to adequately safeguard that operation. 1 don't, as Dusty mentioned the compressor itself is handling the natural gas through there and will not be a long tenn issue. There is adequate protection at this site for those creeks. Commisisoner Houpt— Well, 1 see this area expanding and when I heard there was a conflux it was a red flag for me and 1 need to somehow know that this was part of the planning process that's been taken into consideration and treated differently than it would be if you were far away from creeks or confluence of creeks. Sally —There are some layers of control plans in place and again this is a small drainage but basically and if you were to have a spill it could be contained rapidly under the spill control plans, again short term operation and if we had tong term tanks it may be major issue. She believes it is adequate. Again, very straight forward, this is to compliment the other site and trying to minimize the well pad size. Dusty — Storage is on the existing pad. Commissioner McCown — The existing well pad is where the fracing operation will take care under the auspices of the COGCC on an approved well pad. Carolyn — What about the storage of pipes. Commissioner McCown -- On that pad. Dusty — I understood it to be on the previously disturbed area where it says existing pad in this rather than the compressor pad itself, which is to house only the compressor. Chairman Martin — On the 1.4 acres will be on the compressor, all the other is contained with on the Oil and Gas Conservation pad. A motion was made by Commissioner McCown to close the public hearing; Commissioner Houpt seconded. In favor: Houpt — aye McCown — aye Martin - aye Commissioner McCown made a motion that we approve the Special Use Permit for the Natural Gas Booster Compressor Station for Chevron USA Inc with the twelve (12) conditions recommended by staff." Commissioner Houpt seconded. In favor: Houpt — aye McCown — aye Martin - aye CONSIDER THE ADOPTION OF FINAL AMENDMENTS TO TILE TEXT OF THE GARFIELD COUNTY ZONING RESOLUTION OF 1978, AS AMENDED, THE TEXT OF THE GARFIELD COUNTY SUBDIVISION REGULATIONS, OF 1984 AS AMENDED AND EXISTING "1041 REGULATIONS" (AREAS AND ACTIVITIES OF STATE INTEREST), AND ADOPT A NEW 380 CI) Washington Group International P.O. BOX 73 - BOISE, ID 83729 Four Hundred Dollars And 00 Cents********************************* PAY TO THE ORDER OF KEYBANK BROOKLYN, 01-1 56-704/412 GARFIELD COUNTY BUILDING AND PLANNING DEPT 108 8TH STREET SUITE 401 GLENWOOD SPRINGS, CO 81601 United States DATE: 10 -JAN -2008 30001 1 1636 AMOUNT *******400.00 r1 THIS DOCUMENT CONTAINS MICROPRINT BORDER, TRUE WATERMARK & VOID PANTO Q 03000LLL63611' 1:04L2070401:350993EL4578�E' APR 2 4 zoos GARF COUNTY BUILDING & PLANNING