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HomeMy WebLinkAbout1.10 Middle Colorado Ag Collaborative - Roseman (Project 4)_Part1Floodplain Development Report for Middle Colorado Agriculture Collaborative Fish Passage Design in New Castle, Colorado 211-020.020 Wright Water Engineers, Inc. Attachments July 2024 C.3 Project 4 Site Plan Middle Colorado Ag Collaborative - Roseman (Project 4) - Bid Set.pdf PROJECT COORDINATOR: TROUT UNLIMITED 115 NORTH 5TH STREET GRAND JUNCTION, CO 81501 ENGINEER: WRIGHT WATER ENGINEERS, INC. 818 COLORADO AVENUE SUITE 307 GLENWOOD SPRINGS, CO 81601 SURVEYOR: BOOKCLIFF SURVEY SERVICES, INC. 163 EAST 3RD STREET RIFLE, CO 81650 STRUCTURAL ENGINEER: GEI CONSULTANTS 2750 S. WADSWORTH BLVD SUITE D-200 DENVER, CO 80227 FISHERIES BIOLOGIST: GEI CONSULTANTS 2750 S. WADSWORTH BLVD SUITE D-200 DENVER, CO 80227 TELEMETRY CONSULTANT: HYDROLOGIK, LLC 10790 W. 50TH AVENUE UNIT 700 WHEAT RIDGE, CO 80033 CONTACT: RICHARD VAN GYTENBEEK 307-690-1267 CONTACT: SCOTT SCHREIBER, P.E., CFM 970-945-7755 (OFFICE) 423-943-7500 (CELL) CONTACT: WAYNE KIRKPATRICK 970-625-1330 (OFFICE) CONTACT: MARGARET PROVENCHER, P.E. 303-264-1038 (OFFICE) 970-895-7692 (CELL) CONTACT: ASHLEY FICKE, PHD 303-625-9502 (OFFICE) 970-290-4374 (CELL) CONTACT: BRUCE BACON 720-799-2828 (OFFICE) 720-480-6639 (CELL) COVER SHEET 211-020.020 ---- GNO1 JBH/DTL JBH/DTL SDS 4/26/2024 SHOWN MEMBER UTILITIES FOR THE MARKING OF UNDERGROUND BEFORE YOU DIG, GRADE, OR EXCAVATE CALL 3-BUSINESS DAYS IN ADVANCE CENTER OF COLORADO OR CALL UTILITY NOTIFICATION 1-800-922-1987 811 CALL COLORADO NO.BY DATE COMMENTS SCALE DETAIL CHECK DESIGN Pl o t D a t e / T i m e : 0 4 / 2 5 / 2 0 2 4 , 0 8 : 1 2 : 1 4 P M ; G : \ W W E \ 2 1 1 - 0 2 0 \ 0 2 0 \ C A D \ 0 2 _ D W G S \ G N X X - C O V E R A N D N O T E S . D W G - G N 0 1 P R O J 4 C O V E R S H E E T SHEET NO. JOB NO. REVISION NO. DATE DESCRIPTIONWRIGHT WATER ENGINEERS, INC. GLENWOOD SPRINGS, CO 81602 (970)945-7755 FAX(970)945-9210 818 COLORADO AVE. P.O. BOX 219 DRAFT NOT FOR CONSTRUCTION BID SET 4/26/2024 4/26/2024 GARFIELD COUNTY, COLORADO MIDDLE COLORADO AG COLLABORATIVE ROSEMAN DIVERSION (PROJECT 4) SHEET INDEX VICINITY MAP CONTACTS PROJECT LOCATION COUNTY ROAD 245 ELK CREEK NORTH 1000 2000 FT10000 MAP SOURCE: GOOGLE EARTH SHEET NUMBER SHEET TITLE GNO1 COVER SHEET GN02 GENERAL NOTES OV01 OVERALL PLAN SW01 STORMWATER MANAGEMENT PLAN SW02 STORMWATER MANAGEMENT PLAN DM01 DEMOLITION PLAN SV01 ROSEMAN DIVERSION SURVEY SV02 THOMPKINS DITCH SURVEY HZ01 HORIZONTAL CONTROL PLAN PP01 FISH PASSAGE PLAN & PROFILE PP02 DIVERSION PLAN & PROFILE PP03 RETURN FLOW PLAN & PROFILE PP04 OVERFLOW CHANNEL PLAN & PROFILE XS01 SECTIONS XS02 SECTIONS XS03 SECTIONS XS04 SECTIONS XS05 SECTIONS TS01 TYPICAL SECTIONS TD01 THOMPKINS DITCH TURNOUTS TD02 THOMPKINS DITCH PROFILE TE01 OVERALL TELEMETRY PLAN TE02 THOMPKINS DITCH TELEMETRY PLANS DT01 ROCK VANE DETAILS DT02 TYPICAL DETAILS DT03 TYPICAL DETAILS DT04 TYPICAL DETAILS DT05 TYPICAL DETAILS DT06 SWMP DETAILS DT07 SWMP DETAILS DT08 SWMP DETAILS S-01 STRUCTURAL NOTES S-02 STRUCTURAL NOTES S-03 PROJECT 4 DIVERSION STRUCTURE S-04 PROJECT 4 DIVERSION WALL (SHEET 1 OF 2) S-05 PROJECT 4 DIVERSION WALL (SHEET 2 OF 2) S-06 CONCRETE DETAILS S-07 CONCRETE DETAILS S-08 CONCRETE DETAILS S-09 TYPE 2 TRASHRACK DETAILS S-10 TYPE 2 FISH SCREEN DETAILS S-11 SHEETPILE DETAILS S-12 MISCELLANEOUS DETAILS ROSEMAN DIVERSION 1.THE GOAL OF THIS PROJECT IS TO REMOVE IN-STREAM BARRIERS TO FISH PASSAGE BY UPGRADING THE DIVERSION STRUCTURE. THIS PROJECT COMPLEMENTS AND FURTHERS THE OBJECTIVES, GOALS, AND ACTIONS IDENTIFIED IN THE COLORADO WATER PLAN, AS WELL AS THE THEMES, GOALS, AND STRATEGIES RECENTLY STATED IN THE COLORADO BASIN ROUNDTABLE'S UPDATED BASIN IMPLEMENTATION PLAN. 2.DIVERSION INFRASTRUCTURE UPGRADES INCLUDE BUT ARE NOT LIMITED TO MODIFICATIONS TO THE DIVERSION CREST ELEVATION, CONCRETE DIVERSION STRUCTURE, TRASH RACKS, FISH SCREEN, HEADGATES, AUTOMATION, TELEMETRY, FLOW MEASUREMENT, DITCH ENHANCEMENTS AND DITCH SPLITTER STRUCTURE. 3.FISH PASSAGE IS ENHANCED VIA MINOR ADJUSTMENTS TO THE EXISTING STREAMBED AND DIVERSION DAM CREST. INSTREAM WORK IS DESIGNED TO CAUSE MINIMAL DISTURBANCE TO THE EXISTING CONDITIONS AND IS LIMITED TO IMPROVEMENTS TO THE DIVERSION CREST AND FORMALIZING THE OFFLINE DIVERSION CHANNEL. 4.THE CONTRACTOR SHALL ASSUME SOME FIELD FITTING WILL BE REQUIRED IN COORDINATION WITH THE ENGINEER TO PROVIDE A SUCCESSFUL PROJECT. MOST FIELD FITTING WILL BE ASSOCIATED WITH THE FISH PASSAGE ELEMENTS. 5.THIS PROJECT CAN BE CONSTRUCTED INDIVIDUALLY OR BE LUMPED TOGETHER WITH THE OTHER MIDDLE COLORADO AGRICULTURE COLLABORATIVE (MCAC) PROJECTS. 6.THE PROJECT WILL BE CONSTRUCTED DURING THE NON-IRRIGATION SEASON. PROJECT DESCRIPTION LOCATION MAP NORTH 5000 10000 FT50000 MAP SOURCE: GOOGLE EARTH NEW CASTLE I-70 I-70 PROJECT LOCATION C R 2 4 5 CR 2 4 3 CR 2 4 1 GENERAL NOTES 1.ALL STREAM WORK SHALL BE DONE IN ACCORDANCE WITH MILE HIGH FLOOD DISTRICT (MHFD) STANDARDS AND SPECIFICATIONS. DIVERSION AND DITCH APPURTENANCES SHALL BE INSTALLED FOLLOWING MANUFACTURERS RECOMMENDATIONS. CONCRETE WORK SHALL FOLLOW COLORADO DEPARTMENT OF TRANSPORTATION SPECIFICATIONS. NOTES ON PLANS, PROJECT SPECIFIC SPECIFICATIONS, AND PROJECT CONTRACT DOCUMENTS SUPERSEDE STANDARD SPECIFICATIONS. 2.IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO ENSURE THAT ALL WORK IS PERFORMED IN ACCORDANCE WITH APPLICABLE STANDARDS AND REGULATIONS AS SET FORTH BY THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION (O.S.H.A.). 3.CONTRACTOR SHALL VERIFY ALL PERMITS FOR THE PROJECT AND HAVE BEEN ACQUIRED. ENGINEER WILL ACQUIRE FLOODPLAIN PERMIT AND US ARMY CORPS OF ENGINEERS 404 PERMIT FOR THE PROJECT. PERMITS REQUIRED FOR THE WORK THE CONTRACTOR MIGHT NEED TO ACQUIRE ARE GRADING PERMIT, RIGHT OF WAY PERMIT, DEWATERING PERMIT, AND STORMWATER PERMIT. OTHER PERMITS MIGHT BE REQUIRED EITHER THROUGH LOCAL OR STATE JURISDICTION AND ARE THE CONTRACTORS RESPONSIBILITY TO ACQUIRE. CONTRACTOR REQUIRED TO PROVIDE TRAFFIC CONTROL PLANNING AS REQUIRED BY COUNTY AND TO PROVIDE SAFE WORK AREA. 4.NO FIELD CHANGES SHALL BE MADE WITHOUT PRIOR APPROVAL OF THE ENGINEER AND OWNER. 5.SUBMITTALS AND SHOP DRAWINGS SHALL BE MADE FOR ALL MATERIALS TO BE INCORPORATED INTO THE PROJECT. 6.CONTRACTOR SHALL PROVIDE SCHEDULE TO ENGINEER AT ONSET OF PROJECT. 7.THE PHYSICAL FEATURES WITHIN THE LIMITS OF THE PROJECT HAVE BEEN SHOWN BASED ON THE AVAILABLE INFORMATION AT THE TIME OF DESIGN. THE CONTRACTOR SHALL REVIEW AND VERIFY EXISTING PHYSICAL FEATURES AND ELEVATIONS. 8.ALL CONSTRUCTION IS TO INCLUDE COMPACTION AND FINISH GRADING IN THE RELATED WORK ITEM. 9.ALL WORK SHALL BE DONE TO THE LINES, GRADES, SECTIONS, AND ELEVATIONS SHOWN ON THE PLANS UNLESS OTHERWISE NOTED OR APPROVED BY THE ENGINEER. 10.ALL MATERIALS AND WORKMANSHIP SHALL BE SUBJECT TO INSPECTION AND APPROVAL BY THE ENGINEER. 11.THE ENGINEER SHALL BE NOTIFIED WITHIN 48 HOUR PRIOR TO THE COMMENCEMENT OF ANY CONSTRUCTION. 12.THE CONTRACTOR SHALL LIMIT CONSTRUCTION ACTIVITIES, INCLUDING STORAGE AREAS, TO THOSE AREAS WITHIN THE LIMITS OF DISTURBANCE AND/OR TOES OF SLOPE AS SHOWN ON THE PLANS. ANY DISTURBANCE BEYOND THESE LIMITS SHALL BE RESTORED TO ORIGINAL CONDITIONS BY THE CONTRACTOR AT HIS/HER OWN EXPENSE. 13.THE CONTRACTOR SHALL PROTECT THE CONDITION OF THE EXISTING CREEK AND ASSOCIATED STRUCTURES, AND REROUTE ANY RUNOFF AS NECESSARY DURING CONSTRUCTION ACTIVITIES TO PREVENT EROSION AND DAMAGE. 14.THE CONTRACTOR SHALL CLOSELY MONITOR ACCESS FOR HEAVY CONSTRUCTION EQUIPMENT THROUGH THE PROJECT. 15.THE PHYSICAL FEATURES REQUIRING REMOVAL OR OBLITERATION WITHIN THE PROJECT SHALL BECOME THE PROPERTY OF THE CONTRACTOR AND BE DISPOSED OF OFF-SITE. 16.THE CONTRACTOR SHALL BE RESPONSIBLE FOR PRESERVING ANY MONUMENT, RANGE POINTS, TIES, BENCHMARKS AND/OR SURVEY CONTROL POINTS WHICH MAY BE DISTRIBUTED OR DESTROYED BY CONSTRUCTION. SUCH POINTS SHALL BE REFERENCED AND REPLACED WITH APPROPRIATE MONUMENT BY A REGISTERED PROFESSIONAL LAND SURVEYOR AUTHORIZED TO PRACTICE LAND SURVEYING IN THE STATE OF COLORADO. 17.ANY DISCREPANCY WITHIN THESE PLANS SHOULD BE BROUGHT TO THE IMMEDIATE ATTENTION OF THE ENGINEER AND WORK SHALL STOP UNTIL THE DISCREPANCY IS DISCUSSED AND DECISIONS/AGREEMENTS HAVE BEEN MADE. 18.THE CONTRACTOR SHALL COMPLY WITH ALL LOCAL, STATE, AND FEDERAL LAWS AND REGULATIONS THAT ARE PERTINENT TO THIS WORK. 19.ALL MATERIALS AND WORKMANSHIP SHALL BE SUBJECT TO INSPECTION BY THE OWNER. THE OWNER RESERVES THE RIGHT TO ACCEPT OR REJECT ANY SUCH MATERIALS AND WORKMANSHIP THAT DOES NOT CONFORM TO THE STANDARDS AND SPECIFICATIONS. 20.THE CONTRACTOR SHALL HAVE ONE SIGNED COPY OF THE APPROVED PLANS, ONE COPY OF THE APPROPRIATE STANDARDS AND SPECIFICATIONS, AND A COPY OF ANY PERMITS NEEDED AT THE JOB SITE AT ALL TIMES. 21.PRIOR TO COMMENCING CONSTRUCTION ACTIVITIES THE CONTRACTOR SHALL MEET WITH THE ENGINEER AND OWNER'S REPRESENTATIVE AND RECORD NOTES AND PICTURES OF EXISTING CONDITIONS OF THE SITE AND ADJACENT PROPERTY DURING PRE-CONSTRUCTION MEETING. 22.UNAUTHORIZED CHANGES AND USES: THE ENGINEER WHO PREPARED THESE PLANS WILL NOT BE RESPONSIBLE OR LIABLE FOR UNAUTHORIZED CHANGES TO OR USES OF THESE PLANS. ALL CHANGES TO THE PLANS AND SPECIFICATIONS MUST BE IN WRITING AND MUST BE APPROVED BY THE OWNER AND THE PREPARER OF THESE PLANS. 23.THE CONTRACTOR SHALL NOTIFY THE OWNERS REPRESENTATIVE IMMEDIATELY OF ANY FIELD CONDITION NOT CONSISTENT WITH THE CONSTRUCTION DOCUMENTS. 24.THE CONTRACTOR SHALL PERFORM ALL WORK WITHIN THE CONSTRUCTION LIMITS AS SHOWN ON THE DRAWINGS AND IN THE CONTRACT DOCUMENTS. IF THE CONTRACTOR DAMAGES ANY EXISTING SITE OR PUBLIC/PRIVATE AMENITIES (PAVEMENTS, CURBS, CURB AND GUTTER, SOD, GRASS, LANDSCAPING, TREES, FENCES, ETC.) OUTSIDE OR WITHIN THE EASEMENTS OR CONSTRUCTION LIMITS, THEY SHALL REMOVE AND REPAIR SUCH TO THE SATISFACTION OF THE INDIVIDUAL PROPERTY OWNERS. 25.ITEMS TO BE REMOVED SHALL BECOME THE PROPERTY OF THE CONTRACTOR, UNLESS NOTED OTHERWISE IN THE PLANS OR SPECIFICATIONS. 26.ALL ITEMS NOT INCLUDED IN THE BID TAB AND NECESSARY TO PROVIDE A COMPLETE AND FUNCTIONAL PROJECT OR NOTED AS 'INCIDENTAL' IN THE PLANS OR SPECIFICATIONS WILL NOT BE MEASURED AND PAID FOR SEPARATELY BUT ARE INCLUDED IN THE WORK. 27.DIMENSIONS AND NOTATIONS SUPERSEDE SCALE OF THE DRAWINGS. GRADES SHOWN ARE FINISHED GRADES EXCEPT WHERE OTHERWISE NOTED ON THE DRAWINGS. 28.ALL SURVEY INFORMATION AND PROPOSED DESIGNS AVAILABLE IN CAD UPON REQUEST. PLANS TAKE PRECEDENCE OVER CAD. UTILIZATION OF CAD BASED SURFACES DOES NOT RELIEVE CONTRACTOR TO MEET OVERALL PROJECT INTENT. IT SHOULD BE UNDERSTOOD CAD BASED SURFACES ARE NOT ALWAYS ACCURATE DESCRIPTION OF DESIGN INTENT. CONTRACTOR SHALL COORDINATE WITH ENGINEER ON ANY DISCREPANCIES. ALL PROPOSED GRADES SHALL TIE INTO EXISTING GRADES SMOOTHLY. 29.BID SCHEDULE PROVIDED IN CONTRACT DOCUMENTS SHALL BE REVIEWED BY CONTRACTOR. ANY DISCREPANCIES BETWEEN PLANS AND BID SCHEDULE SHOULD BE BROUGHT TO ENGINEERS ATTENTION. BID FOR PROJECT SHALL INCLUDE ALL WORK NECESSARY TO IMPLEMENT ASPECTS COVERED IN PLANS, SPECIFICATIONS AND CONTRACT DOCUMENTS. CONTRACTOR SHALL ASSUME ALL WORK NOT SPECIFICALLY CALLED OUT IN PLANS, SPECIFICATIONS OR CONTRACTS DOCUMENTS IS INCIDENTAL TO CONSTRUCTING A FUNCTIONAL PROJECT. IF CONTRACTOR NOTICES ITEMS NOT INCLUDED IN BID SCHEDULE THAT SHOULD BE INCLUDED SHOULD BE BROUGHT TO ENGINEERS ATTENTION, NOTED ON BID SCHEDULE AND COSTS TO COMPLETE INCLUDED. INTENT IS TO HAVE CONTRACTOR VERIFY APPROACH AND INTENT WITH BID SCHEDULE AS PAYMENT WILL NOT BE MADE FOR ITEMS NOT INCLUDED IN THE BID SCHEDULE. CONTRACTOR SHALL ALSO NOTIFY ENGINEER OF ANY DISCREPANCIES. INTENT IS TO LIMIT THE POSSIBILITY FOR CHANGE ORDERS. SITE CONDITION NOTES 1.ANY CONSTRUCTION DEBRIS OR MUD TRACKING ONTO THE PUBLIC RIGHT-OF-WAY, RESULTING FROM THE PROJECT, SHALL BE IMMEDIATELY REMOVED BY THE CONTRACTOR. THE CONTRACTOR SHALL IMMEDIATELY FIX ANY EXCAVATION, OR PAVEMENT FAILURE CAUSED BY THE PROJECT, AND SHALL PROPERLY BARRICADE THE SITE UNTIL CONSTRUCTION IS COMPLETE. 2.THE CONTRACTOR SHALL BE SOLELY AND COMPLETELY RESPONSIBLE FOR THE CONDITIONS AT, AND ADJACENT TO, THE JOB SITE, INCLUDING BUT NOT LIMITED TO TRENCH EXCAVATIONS AND SHORING, TRAFFIC CONTROL, SECURITY, AND SAFETY OF ALL PERSONS AND PROPERTY, DURING THE PERFORMANCE OF THE WORK. THIS REQUIREMENT SHALL APPLY CONTINUOUSLY, AND SHALL NOT BE LIMITED TO NORMAL WORKING HOURS. THE DUTY OF THE OWNERS TO CONDUCT CONSTRUCTION REVIEW OF THE CONTRACTOR'S PERFORMANCE IS NOT INTENDED TO INCLUDE REVIEW OF THE ADEQUACY OF THE CONTRACTOR'S SAFETY MEASURES IN OR NEAR THE CONSTRUCTION SITE. 3.THE CONTRACTOR SHALL PROVIDE A SANITARY FACILITY AT THE SITE AT ALL TIMES. 4.THE CONTRACTOR SHALL BE RESPONSIBLE FOR THE ACCEPTANCE, CONVEYANCE, AND CONTROL OF ALL SURFACE AND SUBSURFACE WATER FLOWS IN AND ENTERING THE AREA AFFECTED BY THIS PROJECT. THE CONTRACTOR SHALL BE RESPONSIBLE FOR OPERATIONS OR ANY OTHER ACCEPTABLE MEANS TO PREVENT POLLUTION OF THE AREA. THE CONTRACTOR SHALL BE RESPONSIBLE FOR ANY NEEDED DEWATERING OPERATIONS INCLUDING ANY REQUIRED PERMITS FOR DEWATERING OPERATIONS. THE CONTRACTOR SHALL MAINTAIN AND PROVIDE DRAINAGE THROUGH THE SITE DURING CONSTRUCTION. 5.CONTRACTOR SHALL PROVIDE A 2-YEAR, 70% COVER WARRANTY ON ALL REVEGETATION COMPONENTS. 6.THE CONTRACTOR SHALL BE RESPONSIBLE FOR EROSION CONTROL THROUGHOUT THE CONSTRUCTION DURATION AND SHALL INSTALL EROSION CONTROL MEASURES AS NECESSARY. 7.THE CONTRACTOR SHALL BE HELD RESPONSIBLE FOR REMEDIATION OF ANY ADVERSE IMPACTS TO ADJACENT WATERWAYS, WETLANDS, VEGETATION, STRUCTURES ETC., RESULTING FROM WORK DONE AS PART OF THIS PROJECT. THE CONTRACTOR SHALL REMOVE ALL SEDIMENT, MUD, CONSTRUCTION DEBRIS, OR OTHER POTENTIAL POLLUTANTS THAT MAY HAVE BEEN DISCHARGED TO OR, ACCUMULATE IN, THE FLOW LINES AND PUBLIC RIGHTS OF WAYS AS A RESULT OF CONSTRUCTION ACTIVITIES ASSOCIATED WITH THIS SITE DEVELOPMENT OR CONSTRUCTION PROJECT. SAID REMOVAL SHALL BE CONDUCTED IN A TIMELY MANNER. 8.SOILS THAT WILL BE STOCKPILED FOR MORE THAN 30 DAYS SHALL BE PROTECTED FROM WIND AND WATER EROSION WITHIN 14 DAYS OF STOCKPILE CONSTRUCTION. IF STOCKPILES ARE LOCATED WITHIN 100 FEET OF A DRAINAGEWAY, ADDITIONAL SEDIMENT CONTROLS SUCH AS TEMPORARY DIKES OR SILT FENCE SHALL BE REQUIRED. 9.UNDERGROUND UTILITIES IN THE AREA OF CONSTRUCTION WILL NEED TO BE LOCATED BY THE CONTRACTOR. THE CONTRACTOR SHALL ASSUME FULL RESPONSIBILITY FOR THE PROTECTION OF ANY UTILITIES AFFECTED BY THE EXECUTION OF THIS CONTRACT. THE CONTRACTOR SHALL BE RESPONSIBLE FOR CONTACTING ALL UTILITY COMPANIES AND AGENCIES AND FOR THE COORDINATION OF ALL WORK IN THE PROXIMITY OF THE UTILITIES. THE CONTRACTOR SHALL NOTE THAT ALL UTILITIES MAY NOT APPEAR ON THESE PLANS. UTILITIES SHOWN ARE APPROXIMATE AND BASED ON INFORMATION PROVIDED BY OTHERS. PROJECT NOTES 1.THE GOAL OF THIS DESIGN IS TO PROVIDE BETTER FISH PASSAGE AT AN EXISTING DIVERSION STRUCTURE. WORK IN THE CREEK IS PROPOSED TO PROVIDE REDUCED VELOCITY AND HOLDING AREAS FOR FISH AS THEY PROGRESS UPSTREAM. BOULDERS SHALL BE PLACED IN A WAY TO DISSIPATE VELOCITY VECTORS AND PROVIDE INCREASED ROUGHNESS TO REDUCE OVERALL VELOCITY OF FLOWS IN ORDER TO ACHIEVE THE DEIGN INTENT. 2.CONTRACTOR SHALL LIMIT DISTURBANCE TO EXISTING CREEK TO ONLY WHAT IS REQUIRED. ANY DISTURBANCES TO THE CREEK SHALL BE REPAIRED TO MIMIC PREVIOUS CONDITIONS. EXCAVATION TO PLACE BOULDERS AND DIVERSION STRUCTURE APPURTENANCES SHALL BE LIMITED TO ONLY WHAT IS NECESSARY TO REDUCE REBUILDING CREEK TO PROVIDE FOR FISH PASSAGE. REPLACEMENT OF MATERIAL SHALL BE COMPLETED AS MATERIAL WAS PREVIOUSLY, ESPECIALLY AS IT RELATES TO SIZE OF MATERIAL. THE LEAST DISTURBANCE TO IMPLEMENT THE PROJECT WILL REQUIRE LESS REBUILDING. ANY MATERIAL EXCAVATED TO INSTALL STRUCTURES SHALL BE REPLACED TO MIMIC EXISTING CONDITIONS AND IN COORDINATION WITH THE ENGINEER. 3.ALL EARTHWORK, GRADING, BACKFILL, ETC. SHALL BE COMPACTED TO SPECIFICATIONS TO LIMIT SEEPAGE. IMPORT OF STRUCTURAL BACKFILL FOR CONCRETE STRUCTURES MIGHT BE REQUIRED TO SUPPLEMENT ONSITE MATERIAL AND WILL BE CONSIDERED INCIDENTAL TO THE PROJECT WORK. 4.CONTRACTOR CAN ACQUIRE FILL MATERIAL FOR PIPES AND APPARATUSES FROM RANCH AS DIRECTED BY ENGINEER. CONTRACTOR SHALL RESTORE AREAS WHERE FILL MATERIAL REMOVED FROM WITH SMOOTH GRADING AND SEEDING WITH HYDROMULCH. 5.CONTRACTOR SHALL DEVELOP WATER MANAGEMENT PLAN WITH ENGINEER. ALL CONCRETE WORK SHALL BE PERFORMED IN A DRY ENVIRONMENT. WORK WITHIN THE CREEK CAN BE COMPLETED IN THE WET, BUT AS MUCH WORK AS POSSIBLE SHOULD BE COMPLETED IN THE DRY TO PROVIDE FOR BETTER APPLICATION. CONTRACTOR IS RESPONSIBLE FOR ACQUIRING A DEWATERING PERMIT IF REQUIRED. 6.ALL NATURAL MATERIAL BROUGHT ON SITE SHALL MIMIC EXISTING MATERIAL ONSITE. ENGINEER SHALL APPROVE ALL IMPORTED MATERIAL. 7.CONTRACTOR SHALL VERIFY LEAD TIMES WITH ALL PRODUCT VENDORS AND PROVIDE SCHEDULE OF ORDERING AND DELIVERY. IF A SPECIFIED PRODUCT IS NOT AVAILABLE OR WOULD DELAY THE PROJECT IT IS THE CONTRACTORS RESPONSIBILITY TO BRING THIS TO THE ENGINEERS ATTENTION. COORDINATION WITH VENDORS REQUIRED DUE TO SPECIALIZED AND MADE TO ORDER PARTS AND APPURTENANCES. 8.HYDROLOGIK, INC HAS BEEN INVOLVED IN THE DESIGN OF HEADGATE ACTUATORS, FLUMES, FLOW MEASUREMENT DEVICES AND TELEMETRY. INTENT IS FOR CONTRACTOR TO HIRE HYDROLOGIK AS SUBCONTRACTOR TO IMPLEMENT THESE ITEMS. CONTRACTOR SHALL FOLLOW TYPICAL US BUREAU OF RECLAMATION STANDARDS AND SPECIFICATIONS FOR FLUME INSTALLATION. 9.PROPOSED PIPE AND APPURTENANCES RECOMMENDED TO BE ADS PRODUCTS. CONTRACTOR CAN PROVIDE EQUIVALENT. PIPE SHOULD MEET SPECIFICATIONS OF ADS N-12 DUAL WALL HDPE PIPE. INSTALLATION SHALL FOLLOW MANUFACTURES RECOMMENDATIONS. ALL PIPE SHALL HAVE AT LEAST 1' OF COVER. CONTRACTOR SHOULD ASSUME SOME GROUND PREPARATION PRIOR TO PLACING PIPE AND APPURTENANCES. EXISTING GROUND IS ASSUMED TO BE ADEQUATE TO PLACE PIPE ON WITHOUT BEDDING. SOME MINOR WORK MIGHT BE REQUIRED TO PREPARE SUBGRADE FOR PIPE AND APPURTENANCES BY REMOVING LARGE ROCKS AND SUPPLEMENTING WITH ONSITE FILL. 10.HEADGATES SHALL BE FRESNO SLIDE GATES AS NOTED ON PLANS. CONTRACTOR SHALL PROVIDE SHOP DRAWINGS FOR APPROVAL PRIOR TO ORDERING. CONTRACTOR SHALL UNDERSTAND LEAD TIMES TO NOT IMPACT PROJECT SCHEDULE. ALL HEADGATES SHALL BE MANUFACTURED SO THAT FRAME AND HANDLE ARE AT SAME HEIGHT/ELEVATION IN PROXIMITY TO OTHER HEADGATES. (I.E. HEADGATES AT DIVERSION STRUCTURE SHALL HAVE SIMILAR HEIGHT ABOVE TOP OF CONCRETE). 11.CIVIL PLANS BY WRIGHT WATER ENGINEERS SHOW SOME OF STRUCTURAL CONCRETE, GRATING, TRASH RACKS AND FISH SCREEN FOR REFERENCE ONLY. CONTRACTOR SHALL USE PLANS DEVELOPED BY GEI FOR IMPLEMENTATION OF THESE ELEMENTS. 12.REVEGETATION SHALL CONSIST OF WILLOW STABINGS AND UPLAND SEEDING. WILLOWS SHALL BE HARVESTED ONSITE WHILE DORMANT AND KEPT WET FOLLOWING SPECIFICATIONS. UPLAND SEED MIX SHALL MEET GARFIELD COUNTY UPLAND SEED SPECIFICATION AS APPROVED BY ENGINEER AND APPLIED VIA HYDROMULCH. ALL AREAS DISTURBED SHALL BE REVEGETATION. DISTURBED AREAS OUTSIDE SHOWN REVEGETATION AREA SHALL BE REVEGETATED AT CONTRACTORS EXPENSE DUE TO UNKNOWNS OF ACCESS AND STAGING AREAS REQUIRED FOR WORK. ADDITIONAL REVEGETATION REQUIRED SHALL BE COVERED UNDER MOBILIZATION. 13.VOID FILLED RIPRAP PLACED WITHIN DITCH SHALL BE 2' THICK AND PLACED IN BOTTOM AND ON SIDES OF DITCH. 14.ALL RIVER WORK SHALL BE COMPACTED AND WASHED IN. 15.ALL STRUCTURES AND APPURTENANCES SHALL BE INSTALLED TO LIMIT LEAKAGE. 16.ALL WORK IS SUPPORTED WITH BASIS OF DESIGN REPORT WHICH CAN BE PROVIDED UPON REQUEST. 17.PRIOR TO CONSTRUCTION, THE CONTRACTOR IS RESPONSIBLE FOR VERIFYING MATERIAL QUANTITIES. SOME MATERIAL ON SITE MAY BE ABLE TO BE USED WITH APPROVAL FROM THE ENGINEER AND OWNER THE CONTRACTOR WILL NEED TO WORK WITH THE OWNER IN EVALUATING ON SITE MATERIALS AND SUPPLEMENTING WITH AN OFF SITE SOURCE. 18.USE OF ON SITE MATERIALS WILL NEED TO BE VERIFIED BY ENGINEER. THE BOULDERS LISTED IN THE QUANTITIES ARE MINIMUM SIZES. BOULDERS CAN BE FOUND ON SITE AND USED TO SUPPLEMENT OFF SITE MATERIALS. ANY DISTURBANCE CAUSED BY THE USE OF ONSITE MATERIALS SHALL BE RECLAIMED BY THE CONTRACTOR AND CONSIDERED INCIDENTAL TO THE BID ITEM. 19.THIS DESIGN IS INTENDED TO BE FIELD ENGINEERED DEPENDING ON THE CONDITIONS ENCOUNTERED DURING CONSTRUCTION AND IT IS UNDERSTOOD FIELD CHANGES MIGHT BE REQUIRED. 20.SALVAGEABLE MATERIAL FOUND ON SITE MAY BE USED AT THE DISCRETION OF THE ENGINEER AND OWNER. SALVAGEABLE MATERIAL INCLUDES LARGE BOULDERS, WILLOWS AND EXISTING STREAM SUBSTRATE. 21.COORDINATION WITH TROUT UNLIMITED, THE OWNER, AND OTHERS WILL BE REQUIRED THROUGHOUT THE PROJECT. 22.CONSTRUCTION OBSERVATION TO BE PROVIDED BY ENGINEER AND OWNERS REPRESENTATIVE. ADEQUATE NOTICE SHALL BE GIVEN TO CONSTRUCTION OBSERVATION PERSONNEL AT THE ONSET OF THE PROJECT, DURING MAJOR CONSTRUCTION MILESTONES, SUBSTANTIAL COMPLETION, AND FINAL COMPLETION. 23.EXISTING GRADES AND FEATURES SHALL BE VERIFIED BY THE CONTRACTOR. NOTIFY THE ENGINEER OF ANY ELEVATION DISCREPANCIES. 24.A CHECK DAM WILL BE REQUIRED AT THE DOWNSTREAM END OF THE PROJECT TO REDUCE SEDIMENT LOADS DOWNSTREAM AND WILL NEED TO BE IN PLACE BEFORE WORK STARTS AND REMOVED ONCE PROJECT IS COMPLETE. 25.PLAN ELEMENTS SHOWN (I.E., STREAM SUBSTRATE AND BOULDERS) REFLECT POTENTIAL WORK AREA ASSOCIATED WITH THE DIVERSION STRUCTURE IMPROVEMENTS RATHER THAN REQUIRED IMPORTED MATERIAL. EXISTING STREAM SUBSTRATE CAN BE UTILIZED FOR PROPOSED FISH PASSAGE WORK PENDING ON-SITE APPROVAL BY ENGINEER. AREAS WHERE STREAM SUBSTRATE IS CALLED OUT SHALL BE COORDINATED WITH ENGINEER TO UNDERSTAND EXISTING CONDITIONS AND EXCAVATION TO TAKE PLACE. INTENT IS TO ENSURE LARGE ENOUGH STREAM SUBSTRATE MATERIAL IS REPLACED AND SUPPLEMENTED FOLLOWING ANY EXCAVATION. STREAM SUBSTRATE AT THE SURFACE SHALL BE ROCK AND NOT FINES. STREAM SUBSTRATE SHALL BE USED AS BEDDING, BACKFILL AND TO FILL ANNULAR SPACES. INTENT IS NOT TO IMPORT STREAM SUBSTRATE UNLESS NEEDED. ALL EXCAVATION AND PLACEMENT OF EXISTING STREAM SUBSTRATE CONSIDERED INCIDENTAL TO CONSTRUCTION OF PROJECT ELEMENTS. 26.THE EXISTING CREEK DIMENSION AND BEDFORM SHOULD BE RESTORED IF DISTURBED. 27.FLUME INSTALLATION SHALL PROVIDE 1-FOOT OF FALL ON DOWNSTREAM SIDE OF FLUME. 28.ALL EXISTING TREES AND VEGETATION TO BE PROTECTED IN PLACE UNLESS OTHERWISE SPECIFIED. LEGEND EXISTING CONTOURS EXISTING DIVERSION STRUCTURE EXISTING DIVERSION PIPE PROPOSED CONTOURS PROPOSED DIVERSION PIPE PROPOSED FLARED END SECTION PROPOSED FLUME PROPOSED GRATE PROPOSED STREAM SUBSTRATE PROPOSED CONCRETE PROPOSED UPLAND SEED PROPOSED WILLOW STAKES PROPOSED TRASH RACK / FISH SCREEN PROPOSED BOULDERS ACCESS AREA 6555 6555 GENERAL NOTES 211-020.020 ---- GN02 JBH/DTL JBH/DTL SDS 4/26/2024 SHOWN MEMBER UTILITIES FOR THE MARKING OF UNDERGROUND BEFORE YOU DIG, GRADE, OR EXCAVATE CALL 3-BUSINESS DAYS IN ADVANCE CENTER OF COLORADO OR CALL UTILITY NOTIFICATION 1-800-922-1987 811 CALL COLORADO NO.BY DATE COMMENTS SCALE DETAIL CHECK DESIGN Pl o t D a t e / T i m e : 0 4 / 2 5 / 2 0 2 4 , 0 8 : 1 2 : 1 5 P M ; G : \ W W E \ 2 1 1 - 0 2 0 \ 0 2 0 \ C A D \ 0 2 _ D W G S \ G N X X - C O V E R A N D N O T E S . D W G - G N 0 2 P R O J 4 N O T E S SHEET NO. JOB NO. REVISION NO. DATE DESCRIPTIONWRIGHT WATER ENGINEERS, INC. GLENWOOD SPRINGS, CO 81602 (970)945-7755 FAX(970)945-9210 818 COLORADO AVE. P.O. BOX 219 DRAFT NOT FOR CONSTRUCTION BID SET 4/26/2024 4/26/2024 ROSEMAN DIVERSION x x ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ w w w w w w w w w w w w w w BOULDER (TYP.) STREAM SUBSTRATE (D50 = 18"), 3' THICK PROTECT EXISTING 48-INCH CONCRETE FLUME IN PLACE AND ADD FLOW MEASUREMENT TELEMETRY REVEGETATION: WILLOW STAKES PROPOSED ADDITIONS TO CONCRETE STRUCTURE, SEE SHEET XS01 FL O W E L K C R E E K EL K C R E E K RAISE EXISTING CONCRETE WALL BY 2-FEET, SEE SHEET XS02 F L O W SHEET PILE DIVERSION DAM WITH CONCRETE CAP OVERFLOW CHANNEL, SEE SHEETS PP04 & TS01 ROCK VANE (TYP.), SEE SHEET DT01 EXISTING DIVERSION DAM (UPSIDE DOWN BRIDGE DECK) STRUCTURE TO BE REMOVED, SEE SHEET DM01 PROPOSED STREAM THALWEG DAVIT CRANE PAD REVEGETATION: UPLAND SEED GRATE INSTALL RAILING, SEE SHEET XS01 5 7 0 5 5 7 1 0 5 7 1 5 5 7 2 0 57 2 5 5 7 0 0 5 7 0 5 5 7 1 0 57 1 5 5710 5715 5720 5725 573 0 5 6 9 5 5 6 9 5 5 6 9 5 5 6 9 0 5 6 9 0 5 6 9 5 56 9 0 5 6 9 0 5 6 9 5 5 6 9 5 5 7 0 0 56 9 5 570 0 569 5 5695 5695 5690 5 6 9 0 56 9 0 5 6 9 0 5 6 9 0 VOID-FILLED RIPRAP (D50 = 18"), 3' THICK VOID-FILLED RIPRAP (D50 = 18"), 3' THICK VOID-FILLED RIPRAP (D50 = 18"), 3' THICK PROPOSED MAINTENANCE ACCESS STREAM SUBSTRATE ALONG TOE OF BANK AT GRADE JBH/DTL JBH/DTL SDS 4/26/2024 SHOWN MEMBER UTILITIES FOR THE MARKING OF UNDERGROUND BEFORE YOU DIG, GRADE, OR EXCAVATE CALL 3-BUSINESS DAYS IN ADVANCE CENTER OF COLORADO OR CALL UTILITY NOTIFICATION 1-800-922-1987 811 CALL COLORADO NO.BY DATE COMMENTS SCALE DETAIL CHECK DESIGN Pl o t D a t e / T i m e : 0 4 / 2 5 / 2 0 2 4 , 0 8 : 1 5 : 3 6 P M ; G : \ W W E \ 2 1 1 - 0 2 0 \ 0 2 0 \ C A D \ 0 2 _ D W G S \ O V X X - P R O J E C T O V E R A L L P L A N S . D W G - O V 0 4 - P R O J 4 O V E R A L L SHEET NO. JOB NO. REVISION NO. DATE DESCRIPTIONWRIGHT WATER ENGINEERS, INC. GLENWOOD SPRINGS, CO 81602 (970)945-7755 FAX(970)945-9210 818 COLORADO AVE. P.O. BOX 219 DRAFT NOT FOR CONSTRUCTION BID SET 4/26/2024 4/26/2024 OVERALL PLAN 211-020.020 ---- OV01 NORTH 20 40 FT200 OVERALL PLAN ROSEMAN DIVERSION NORTH 0 500 1000 FT500 INSET PLAN DIVERSION STRUCTURE AND FISH PASSAGE WORK, THIS SHEET THOMPKINS DITCH WORK, SEE SHEET TD01 SF S F SF S F ELK C R E E K FLO W REVEGETATION: WILLOW STAKES, SEE SHEET DT06 REVEGETATION: UPLAND SEED, SEE SHEET DT06 ROCK VANE SEE SHEET DT01 VTC LOCATED AT COUNTY ROAD 243 ACCESS POINT (OFF SHEET), SEE SHEET SW02 AND NOTES SSA CWA ECB LOC LOC LOCLOC LOC LOC SF VTC JBH/DTL JBH/DTL SDS 4/26/2024 SHOWN NO.BY DATE COMMENTS SCALE DETAIL CHECK DESIGN Pl o t D a t e / T i m e : 0 4 / 2 5 / 2 0 2 4 , 0 8 : 1 8 : 5 5 P M ; G : \ W W E \ 2 1 1 - 0 2 0 \ 0 2 0 \ C A D \ 0 2 _ D W G S \ S W X X - S T O R M W A T E R M A N A G E M E N T P L A N . D W G - S W 0 1 - 4 S W M P SHEET NO. JOB NO. REVISION NO. DATE DESCRIPTIONWRIGHT WATER ENGINEERS, INC. GLENWOOD SPRINGS, CO 81602 (970)945-7755 FAX(970)945-9210 818 COLORADO AVE. P.O. BOX 219 DRAFT NOT FOR CONSTRUCTION BID SET 4/26/2024 4/26/2024 STORMWATER MANAGEMENT PLAN 211-020.020 ---- SW01 ROSEMAN DIVERSION NORTH 30 30 60 FT0 PLAN LIMITS OF CONSTRUCTION SILT FENCE STABILIZED STAGING AREA SEDIMENT CONTROL LOG STOCKPILE CONCRETE WASHOUT AREA CHECK DAM EROSION CONTROL BLANKET (NEDIA S400B) EROSION CONTROL BLANKET (NEDIA KOIRMAT 700) VEHICLE TRACKING CONTOL WILLOW STAKES UPLAND SEED SF SFSFSF SF SF SF SF SF SF SF SWMP LEGEND LOC SSA SCL SP SF CWA CD VTC ECB SWMP NOTES: 1.CONTRACTOR TO OBTAIN ALL NECESSARY GRADING, EROSION CONTROL AND DEWATERING PERMITS NECESSARY TO COMPLETE THE WORK. 2.STORMWATER MANAGEMENT PLAN (SWMP) BEST MANAGEMENT PRACTICES SHOWN ON THIS PLAN ARE FOR REFERENCE ONLY. ADDITIONAL BMPS NOT SHOWN ON THIS PLAN MAY BE REQUIRED AND IT IS THE RESPONSIBILITY OF THE CONTRACTOR TO PROVIDE BMPS TO LIMIT EROSION AND SEDIMENT TRANSPORT. 3.VEHICLE TRACKING CONTROL (VTC) IS NOT SHOWN ON THIS PLAN. CONTRACTOR SHALL COORDINATE WITH OWNER TO PLACE VTC AT ACCESS POINTS TO RANCH FROM COUNTY ROAD 243 AND OTHER LOCATIONS REQUESTED BY OWNER. 4.CLEARING AND GRUBBING WILL BE REQUIRED IN SOME LOCATIONS. 5.TOTAL DISTURBED AREA IS EQUAL TO APPROXIMATELY 1.0 ACRE. 6.SEE BEST MANAGEMENT PRACTICES (BMP) DETAILS ON SHEET DT07-DT09. 7.CONTRACTOR SHALL SEED AND MULCH ALL DISTURBED AREAS ONCE THEY REACH FINAL GRADE. 8.CONTRACTOR SHALL PROVIDE A 2-YEAR, 70% COVER WARRANTY ON ALL REVEGETATION COMPONENTS. 9.BEST MANAGEMENT PRACTICES (BMPS) SHOWN ON THIS PLAN ARE PROVIDED FOR CONTRACTOR REFERENCE ONLY. IF FIELD CHANGES (SUCH AS GRADING WORK) OCCUR THAT NECESSITATE THE MOVEMENT OF ANY BMPS OR THE PLACEMENT OF ADDITIONAL BMPS, CONTRACTOR SHALL REDLINE THIS PLAN WITH UPDATED BMP LOCATIONS. 10.LOCATION OF STABILIZED STAGING AREA, STOCKPILE, CONCRETE WASHOUT AREA, AND VEHICLE TRACKING CONTROL MAY NEED TO BE SHIFTED DURING CONSTRUCTION TO ACCOMMODATE PROPOSED GRADING SHOWN ON THESE PLANS. CONTRACTOR SHALL COORDINATE LOCATIONS OF THESE BMPS WITH THE OWNER AND REDLINE THIS PLAN WITH NEW BMP LOCATIONS. 11.CONTRACTOR MAY USE SILT FENCE OR SEDIMENT CONTROL LOGS AS PERIMETER CONTROLS WHERE INDICATED ON THIS PLAN. 12.CONTRACTOR SHALL INSPECT PAVED ROADS USED FOR ACCESS ON A DAILY BASIS AND MORE FREQUENTLY AS NEEDED. ACCUMULATED SEDIMENT SHALL BE REMOVED IMMEDIATELY. 13.AUTHORIZATION TO WORK ON PROPERTIES NEEDS TO BE SECURED PRIOR TO CONSTRUCTION. 14.CARE TO BE TAKEN ACCESSING THE SITE TO MINIMIZE IMPACTS TO EXISTING VEGETATION. 15.SEDIMENT ACCUMULATED IN DOWNSTREAM CHANNEL TO BE REMOVED BY CONTRACTOR AND HAULED OFF-SITE. 16.AREAS WITHIN THE RIPARIAN AREA BUT OUTSIDE THE ACTIVE CHANNEL WILL BE REVEGETATED WITH UPLAND SEED MIX OR PASTURE SEED MIX SPECIFIED IN PLANS. SEED MIX TO BE APPROVED BY ENGINEER PRIOR TO CONSTRUCTION. 17.SHOWN EXTENTS OF EROSION CONTROL BLANKET IS THE MINIMUM. EROSION CONTROL BLANKET SHALL BE EITHER NEDIA S400B OR NEDIA KOIRMAT 700 (OR APPROVED EQUAL) AS SHOWN ON THIS PLAN. SWMP PHASING NOTES: 1.SILT FENCE AND/OR SEDIMENT CONTROL LOGS SHALL BE PLACED PRIOR TO CONSTRUCTION AND REMAIN IN PLACE UNTIL FINAL STABILIZATION IS ACHIEVED. 2.STABILIZED STAGING AREA(S) AND VEHICLE TRACKING CONTROL SHALL BE PLACED PRIOR TO CONSTRUCTION AND REMAIN IN PLACE UNTIL CONSTRUCTION IS COMPLETED. 3.STOCKPILE CONTROLS SHALL BE PUT IN PLACE PRIOR TO ANY GRADING WORK AND REMAIN IN PLACE UNTIL GRADING WORK IS COMPLETED. 4.CONCRETE WASHOUT AREA SHALL BE PUT IN PLACE PRIOR TO ANY CONCRETE WORK AND REMAIN IN PLACE UNTIL ALL CONCRETE WORK IS COMPLETE. COLORADO PARKS AND WILDLIFE NOTES: 1.AVOID MOBILIZING SIGNIFICANT AMOUNTS OF FINE SEDIMENT DOWNSTREAM TO MINIMIZE IMPACTS TO AQUATIC ORGANISMS. 1.1.ISOLATE WORK AREAS INSTREAM AND “WORK IN THE DRY” TO AVOID MOBILIZING FINE SEDIMENTS DOWNSTREAM DURING EXTENDED CONSTRUCTION ACTIVITIES 1.2.UTILIZE COFFER DAMS AND TURBIDITY CURTAINS TO CAPTURE MOBILIZED FINE SEDIMENTS DOWNSTREAM OF CONSTRUCTION DISTURBANCES. REMOVE AND DISPOSE OF BUILT UP SEDIMENT DEPOSITS PRIOR TO DECOMMISSION OF COFFER DAMS OR TURBIDITY CURTAINS. UNINSTALL SEDIMENT CONTAINMENT INFRASTRUCTURE OUTSIDE OF SPAWNING PERIODS OR WHEN FLOWS NATURALLY INCREASE TO FLUSH ANY REMAINING SEDIMENTS. 1.3.MAINTAIN VISUALLY COMPARABLE TURBIDITY LEVELS UPSTREAM AND 300 YARDS DOWNSTREAM OF CONSTRUCTION ACTIVITIES. 1.4.INSTALL SEDIMENT CONTAINMENT INFRASTRUCTURE ON DISTURBED BANKS AND AREAS ADJACENT TO STREAMS AND RIVERS TO AVOID MOBILIZING SEDIMENT DURING RAIN EVENTS, SNOWMELT, OR HEAVY EQUIPMENT OPERATION INTO OR NEAR THE STREAM CHANNEL. ADDRESS ANY INPUTS THAT VISUALLY INCREASE STREAM TURBIDITY. 2.CLEAN AND DRY EQUIPMENT USED PREVIOUSLY IN FLOWING OR STANDING WATERS AND FOLLOWING CURRENT INSTREAM CONSTRUCTION ACTIVITIES TO AVOID SPREADING AQUATIC NUISANCE ORGANISMS INCLUDING PATHOGENS, PARASITES, AND INVASIVE SPECIES. 3.DISCOURAGE THE DEPOSITION OF FINE SEDIMENTS AND DEBRIS THAT INCREASE HABITAT FOR TUBIFEX WORMS, A HOST TO THE PATHOGEN THAT CAUSES WHIRLING DISEASE IN SALMONIDS. 4.CONTRACTOR IS RESPONSIBLE FOR MAKING PERIODIC TURBIDITY OBSERVATIONS DURING CONSTRUCTION. DURING THE FIRST TWO DAYS OF CONSTRUCTION, THE CONTRACTOR WILL MAKE OBSERVATIONS OF WATER CLARITY AT NO LESS THAN 1 HOUR INTERVALS AT THREE SPECIFIED POINTS. POINT #1 SHALL BE A REFERENCE POINT IMMEDIATELY ABOVE THE CONSTRUCTION SITE. POINTS #2 AND #3 SHALL BE LOCATED DOWNSTREAM OF THE CONSTRUCTION SITE APPROXIMATELY 150 YARDS AND 300 YARDS RESPECTIVELY. ONCE THE CONSTRUCTION SITE BECOMES STABLE CONTRACTOR WILL MAKE OBSERVATIONS 2 TIMES DAILY AT THE SPECIFIED POINTS. 5.IF TURBIDITY IS NOTICEABLY GREATER 300 YARDS DOWNSTREAM OF THE PROJECT AREA, THEN HALT CONSTRUCTION ACTIVITIES UNTIL THE STREAM CLEARS AND TURBIDITY IS COMPARABLE TO THE STREAM UPSTREAM OF THE PROJECT. INSTALL SEDIMENT CONTAINMENT INFRASTRUCTURE OR MODIFY CONSTRUCTION ACTIVITY TO ADDRESS SEDIMENT MOBILIZATION ISSUES. THEN RESUME 1-HOUR OBSERVATIONS UNTIL WATER CLARITY CONDITIONS REMAIN STABLE DOWNSTREAM OF THE PROJECT. 6.CONTRACTOR IS RESPONSIBLE FOR ENSURING THAT THE CONSTRUCTION SITE IS STABLE AT THE END OF EACH DAY AND NOT CONTRIBUTING ANY CONSTRUCTION RELATED TURBIDITY TO THE STREAM. ECB MEMBER UTILITIES FOR THE MARKING OF UNDERGROUND BEFORE YOU DIG, GRADE, OR EXCAVATE CALL 3-BUSINESS DAYS IN ADVANCE CENTER OF COLORADO OR CALL UTILITY NOTIFICATION 1-800-922-1987 811 CALL COLORADO SF SF S F S F ELK C R E E K FLO W ROSEMAN DIVERSION ACCESS ROAD REVEGETATION: WILLOW STAKES SEE SHEET DT06 REVEGETATION: WILLOW STAKES SEE SHEET DT06 REVEGETATION: WILLOW STAKES SEE SHEET DT06 REVEGETATION: WILLOW STAKES SEE SHEET DT06 CONCRETE DIVERSION STRUCTURE AND HEADGATE WITH AUTOMATION CONCRETE DIVERSION STRUCTURE AND HEADGATE WITH AUTOMATION CONCRETE DIVERSION STRUCTURE AND HEADGATE WITH AUTOMATION CONCRETE DIVERSION STRUCTURE AND HEADGATE WITH AUTOMATION 36" PARSHALL FLUME WITH FLOW MEASUREMENT AND TELEMETRY 36" PARSHALL FLUME WITH FLOW MEASUREMENT AND TELEMETRY TEMPORARY STREAM CROSSING, SEE SHEET DT06 VTC AT COUNTY ROAD 243 ACCESS POINT (OFF SHEET), SEE NOTES CONTRACTOR SHALL NOT USE EXISTING BRIDGE FOR PROJECT ACCESS JBH/DTL JBH/DTL SDS 4/26/2024 SHOWN NO.BY DATE COMMENTS SCALE DETAIL CHECK DESIGN Pl o t D a t e / T i m e : 0 4 / 2 5 / 2 0 2 4 , 0 8 : 1 9 : 4 4 P M ; G : \ W W E \ 2 1 1 - 0 2 0 \ 0 2 0 \ C A D \ 0 2 _ D W G S \ S W X X - S T O R M W A T E R M A N A G E M E N T P L A N . D W G - S W 0 2 - 4 S W M P SHEET NO. JOB NO. REVISION NO. DATE DESCRIPTIONWRIGHT WATER ENGINEERS, INC. GLENWOOD SPRINGS, CO 81602 (970)945-7755 FAX(970)945-9210 818 COLORADO AVE. P.O. BOX 219 DRAFT NOT FOR CONSTRUCTION BID SET 4/26/2024 4/26/2024 STORMWATER MANAGEMENT PLAN 211-020.020 ---- SW02 ROSEMAN DIVERSION NORTH 30 30 60 FT0 PLAN LIMITS OF CONSTRUCTION SILT FENCE STABILIZED STAGING AREA STOCKPILE CONCRETE WASHOUT AREA SF SFSFSF SF SF SF SF SF SF SF SWMP LEGEND VEHICLE TRACKING CONTROL TEMPORARY STREAM CROSSING WILLOW STAKES UPLAND SEED LOC SSA SP SF CWA VTC TRC VTC TRC LOC LOC LOC LOC LOC LOC LOC LOC SP SP SSA SSA SSA CWA CWA SWMP NOTES: 1.CONTRACTOR TO OBTAIN ALL NECESSARY GRADING, EROSION CONTROL AND DEWATERING PERMITS NECESSARY TO COMPLETE THE WORK. 2.STORMWATER MANAGEMENT PLAN (SWMP) BEST MANAGEMENT PRACTICES SHOWN ON THIS PLAN ARE FOR REFERENCE ONLY. ADDITIONAL BMPS NOT SHOWN ON THIS PLAN MAY BE REQUIRED AND IT IS THE RESPONSIBILITY OF THE CONTRACTOR TO PROVIDE BMPS TO LIMIT EROSION AND SEDIMENT TRANSPORT. 3.VEHICLE TRACKING CONTROL (VTC) IS NOT SHOWN ON THIS PLAN. CONTRACTOR SHALL COORDINATE WITH OWNER TO PLACE VTC AT ACCESS POINTS TO RANCH FROM COUNTY ROAD 243 AND OTHER LOCATIONS REQUESTED BY OWNER. 4.CLEARING AND GRUBBING WILL BE REQUIRED IN SOME LOCATIONS. 5.TOTAL DISTURBED AREA IS EQUAL TO APPROXIMATELY 1.0 ACRE. 6.SEE BEST MANAGEMENT PRACTICES (BMP) DETAILS ON SHEET DT06-DT08. 7.CONTRACTOR SHALL SEED AND MULCH ALL DISTURBED AREAS ONCE THEY REACH FINAL GRADE. 8.CONTRACTOR SHALL PROVIDE A 2-YEAR, 70% COVER WARRANTY ON ALL REVEGETATION COMPONENTS. 9.BEST MANAGEMENT PRACTICES (BMPS) SHOWN ON THIS PLAN ARE PROVIDED FOR CONTRACTOR REFERENCE ONLY. IF FIELD CHANGES (SUCH AS GRADING WORK) OCCUR THAT NECESSITATE THE MOVEMENT OF ANY BMPS OR THE PLACEMENT OF ADDITIONAL BMPS, CONTRACTOR SHALL REDLINE THIS PLAN WITH UPDATED BMP LOCATIONS. 10.LOCATION OF STABILIZED STAGING AREA, STOCKPILE, CONCRETE WASHOUT AREA, AND VEHICLE TRACKING CONTROL MAY NEED TO BE SHIFTED DURING CONSTRUCTION TO ACCOMMODATE PROPOSED GRADING SHOWN ON THESE PLANS. CONTRACTOR SHALL COORDINATE LOCATIONS OF THESE BMPS WITH THE OWNER AND REDLINE THIS PLAN WITH NEW BMP LOCATIONS. 11.CONTRACTOR MAY USE SILT FENCE OR SEDIMENT CONTROL LOGS AS PERIMETER CONTROLS WHERE INDICATED ON THIS PLAN. 12.CONTRACTOR SHALL INSPECT PAVED ROADS USED FOR ACCESS ON A DAILY BASIS AND MORE FREQUENTLY AS NEEDED. ACCUMULATED SEDIMENT SHALL BE REMOVED IMMEDIATELY. 13.AUTHORIZATION TO WORK ON PROPERTIES NEEDS TO BE SECURED PRIOR TO CONSTRUCTION. 14.CARE TO BE TAKEN ACCESSING THE SITE TO MINIMIZE IMPACTS TO EXISTING VEGETATION. 15.SEDIMENT ACCUMULATED IN DOWNSTREAM CHANNEL TO BE REMOVED BY CONTRACTOR AND HAULED OFF-SITE. 16.AREAS WITHIN THE RIPARIAN AREA BUT OUTSIDE THE ACTIVE CHANNEL WILL BE REVEGETATED WITH UPLAND SEED MIX OR PASTURE SEED MIX SPECIFIED IN PLANS. SEED MIX TO BE APPROVED BY ENGINEER PRIOR TO CONSTRUCTION. 17.SHOWN EXTENTS OF EROSION CONTROL BLANKET IS THE MINIMUM. ALL EROSION CONTROL BLANKET SHALL BE S400B OR APPROVED EQUAL.EROSION CONTROL BLANKET SHALL BE EITHER NEDIA S400B OR NEDIA KOIRMAT 700 (OR APPROVED EQUAL) AS SHOWN ON THIS PLAN. SWMP PHASING NOTES: 1.SILT FENCE AND/OR SEDIMENT CONTROL LOGS SHALL BE PLACED PRIOR TO CONSTRUCTION AND REMAIN IN PLACE UNTIL FINAL STABILIZATION IS ACHIEVED. 2.STABILIZED STAGING AREA(S) AND VEHICLE TRACKING CONTROL SHALL BE PLACED PRIOR TO CONSTRUCTION AND REMAIN IN PLACE UNTIL CONSTRUCTION IS COMPLETED. 3.STOCKPILE CONTROLS SHALL BE PUT IN PLACE PRIOR TO ANY GRADING WORK AND REMAIN IN PLACE UNTIL GRADING WORK IS COMPLETED. 4.CONCRETE WASHOUT AREA SHALL BE PUT IN PLACE PRIOR TO ANY CONCRETE WORK AND REMAIN IN PLACE UNTIL ALL CONCRETE WORK IS COMPLETE. COLORADO PARKS AND WILDLIFE NOTES: 1.AVOID MOBILIZING SIGNIFICANT AMOUNTS OF FINE SEDIMENT DOWNSTREAM TO MINIMIZE IMPACTS TO AQUATIC ORGANISMS. 1.1.ISOLATE WORK AREAS INSTREAM AND “WORK IN THE DRY” TO AVOID MOBILIZING FINE SEDIMENTS DOWNSTREAM DURING EXTENDED CONSTRUCTION ACTIVITIES 1.2.UTILIZE COFFER DAMS AND TURBIDITY CURTAINS TO CAPTURE MOBILIZED FINE SEDIMENTS DOWNSTREAM OF CONSTRUCTION DISTURBANCES. REMOVE AND DISPOSE OF BUILT UP SEDIMENT DEPOSITS PRIOR TO DECOMMISSION OF COFFER DAMS OR TURBIDITY CURTAINS. UNINSTALL SEDIMENT CONTAINMENT INFRASTRUCTURE OUTSIDE OF SPAWNING PERIODS OR WHEN FLOWS NATURALLY INCREASE TO FLUSH ANY REMAINING SEDIMENTS. 1.3.MAINTAIN VISUALLY COMPARABLE TURBIDITY LEVELS UPSTREAM AND 300 YARDS DOWNSTREAM OF CONSTRUCTION ACTIVITIES. 1.4.INSTALL SEDIMENT CONTAINMENT INFRASTRUCTURE ON DISTURBED BANKS AND AREAS ADJACENT TO STREAMS AND RIVERS TO AVOID MOBILIZING SEDIMENT DURING RAIN EVENTS, SNOWMELT, OR HEAVY EQUIPMENT OPERATION INTO OR NEAR THE STREAM CHANNEL. ADDRESS ANY INPUTS THAT VISUALLY INCREASE STREAM TURBIDITY. 2.CLEAN AND DRY EQUIPMENT USED PREVIOUSLY IN FLOWING OR STANDING WATERS AND FOLLOWING CURRENT INSTREAM CONSTRUCTION ACTIVITIES TO AVOID SPREADING AQUATIC NUISANCE ORGANISMS INCLUDING PATHOGENS, PARASITES, AND INVASIVE SPECIES. 3.DISCOURAGE THE DEPOSITION OF FINE SEDIMENTS AND DEBRIS THAT INCREASE HABITAT FOR TUBIFEX WORMS, A HOST TO THE PATHOGEN THAT CAUSES WHIRLING DISEASE IN SALMONIDS. 4.CONTRACTOR IS RESPONSIBLE FOR MAKING PERIODIC TURBIDITY OBSERVATIONS DURING CONSTRUCTION. DURING THE FIRST TWO DAYS OF CONSTRUCTION, THE CONTRACTOR WILL MAKE OBSERVATIONS OF WATER CLARITY AT NO LESS THAN 1 HOUR INTERVALS AT THREE SPECIFIED POINTS. POINT #1 SHALL BE A REFERENCE POINT IMMEDIATELY ABOVE THE CONSTRUCTION SITE. POINTS #2 AND #3 SHALL BE LOCATED DOWNSTREAM OF THE CONSTRUCTION SITE APPROXIMATELY 150 YARDS AND 300 YARDS RESPECTIVELY. ONCE THE CONSTRUCTION SITE BECOMES STABLE CONTRACTOR WILL MAKE OBSERVATIONS 2 TIMES DAILY AT THE SPECIFIED POINTS. 5.IF TURBIDITY IS NOTICEABLY GREATER 300 YARDS DOWNSTREAM OF THE PROJECT AREA, THEN HALT CONSTRUCTION ACTIVITIES UNTIL THE STREAM CLEARS AND TURBIDITY IS COMPARABLE TO THE STREAM UPSTREAM OF THE PROJECT. INSTALL SEDIMENT CONTAINMENT INFRASTRUCTURE OR MODIFY CONSTRUCTION ACTIVITY TO ADDRESS SEDIMENT MOBILIZATION ISSUES. THEN RESUME 1-HOUR OBSERVATIONS UNTIL WATER CLARITY CONDITIONS REMAIN STABLE DOWNSTREAM OF THE PROJECT. 6.CONTRACTOR IS RESPONSIBLE FOR ENSURING THAT THE CONSTRUCTION SITE IS STABLE AT THE END OF EACH DAY AND NOT CONTRIBUTING ANY CONSTRUCTION RELATED TURBIDITY TO THE STREAM. LOC LOC MEMBER UTILITIES FOR THE MARKING OF UNDERGROUND BEFORE YOU DIG, GRADE, OR EXCAVATE CALL 3-BUSINESS DAYS IN ADVANCE CENTER OF COLORADO OR CALL UTILITY NOTIFICATION 1-800-922-1987 811 CALL COLORADO xxx x x ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ w w w w w w w w w w w w w w w w w w w REMOVE EXISTING CONCRETE SLABS AND DRIFTWOOD LOCATED DOWNSTREAM OF DIVERSION STRUCTURE, SEE NOTES REMOVE EXISTING CONCRETE SLAB, SEE NOTES REMOVE EXISTING CONCRETE SLAB LOCATED BELOW SEDIMENT SLUICE CHUTE, SEE NOTES REMOVE EXISTING HEADGATES REMOVE EXISTING VEGETATION AND BOULDERS ADJACENT TO SEDIMENT SLUICE, SEE NOTES PROTECT EXISTING CONCRETE TO REMAIN IN PLACE, SEE SHEET OV01 FOR EXTENTS OF CONCRETE TO REMAIN REMOVE EXISTING TREES, SEE NOTES PROTECT EXISTING FLUME IN PLACE REMOVE AND REPLACE EXISTING FENCE IF NECESSARY TO CONSTRUCT IMPROVEMENTS SHOWN IN THESE PLANS. COORDINATE WITH ENGINEER ON REPLACEMENT LOCATION TO PROVIDE MAINTENANCE ACCESS REMOVE EXISTING CONCRETE SLAB REMOVE EXISTING CONCRETE BRIDGE DECK USED AS DIVERSION DAM, SEE NOTES CONTRACTOR TO CAREFULLY REMOVE AGGRADED MATERIAL IN FRONT OF WALL AT ONSET OF CONSTRUCTION TO VERIFY EXISTING CONDITIONS CONTRACTOR TO REMOVE PORTION OF EXISTING CONCRETE FLOOR SHOWN ON THIS PLAN AND PROTECT REMAINING EXISTING CONCRETE FLOOR IN PLACE CAREFULLY REMOVE CONCRETE DEBRIS AS DIRECTED BY ENGINEER 10 10 20 FT0 NORTH PLAN JBH/DTL JBH/DTL SDS 4/26/2024 SHOWN MEMBER UTILITIES FOR THE MARKING OF UNDERGROUND BEFORE YOU DIG, GRADE, OR EXCAVATE CALL 3-BUSINESS DAYS IN ADVANCE CENTER OF COLORADO OR CALL UTILITY NOTIFICATION 1-800-922-1987 811 CALL COLORADO NO.BY DATE COMMENTS SCALE DETAIL CHECK DESIGN Pl o t D a t e / T i m e : 0 4 / 2 5 / 2 0 2 4 , 0 8 : 2 2 : 0 2 P M ; G : \ W W E \ 2 1 1 - 0 2 0 \ 0 2 0 \ C A D \ 0 2 _ D W G S \ D M X X - D E M O P L A N S . D W G - D M 0 1 - P R O J 4 SHEET NO. JOB NO. REVISION NO. DATE DESCRIPTIONWRIGHT WATER ENGINEERS, INC. GLENWOOD SPRINGS, CO 81602 (970)945-7755 FAX(970)945-9210 818 COLORADO AVE. P.O. BOX 219 DRAFT NOT FOR CONSTRUCTION BID SET 4/26/2024 4/26/2024 DEMOLITION PLAN 211-020.020 ---- DM01 ROSEMAN DIVERSION NOTES: 1.ALL REMOVAL AND CUTTING OF CONCRETE TO BE VERIFIED IN THE FIELD WITH ENGINEER PRIOR TO CUTS. CUTS TO BE MARKED IN THE FIELD BY CONTRACTOR FOR APPROVAL BY ENGINEER. 2.CONTRACTOR SHALL REMOVE AND HAUL ALL CONCRETE FEATURES IDENTIFIED ON THIS PLAN OFFSITE.FURTHERMORE, ANY BROKEN OR DISCARDED PIECES OF CONCRETE NOT IDENTIFIED ON THIS PLAN BUT LOCATED ON SITE SHALL BE REMOVED AND HAULED OFFSITE. ONCE THE CONCRETE IS REMOVED FROM THE SITE, IT BECOMES THE PROPERTY OF THE CONTRACTOR. THE CONTRACTOR IS THEREFORE RESPONSIBLE FOR MATERIAL DISPOSAL. 3.CONTRACTOR SHALL REMOVE ALL VEGETATION IDENTIFIED ON THIS PLAN AND ANY ADDITIONAL VEGETATION REQUIRED TO CONSTRUCT THE PROPOSED IMPROVEMENTS IN THESE PLANS. 4.ANY AREAS DISTURBED OUTSIDE THE AREAS SHOWN SHALL BE REVEGETATED AS SHOWN ON THIS PLAN AND AS DIRECTED BY ENGINEER. 5.CONTRACTOR SHALL PROVIDE A 2-YEAR, 70% COVER WARRANTY ON ALL REVEGETATION COMPONENTS. 6.CONTRACTOR SHALL MEET WITH ENGINEER ONSITE PRIOR TO ANY DEMOLITION AND CONSTRUCTION ASSOCIATED WITH THE EXISTING DIVERSION STRUCTURE TO REVIEW CURRENT STRUCTURE CONDITION AND PROPOSED IMPROVEMENTS. DocuSign Envelope ID: 221F24D0-6B90-4A72-B0FB-421E2F4A7F77