Loading...
HomeMy WebLinkAboutEx 11 Grading & Drainage PlanXHIIIT11 TO LIMITED IMPACT REVIEW FOR STORAGE AND FABRICATION FACILITY (Including Request for Subdivision Plat Amendment) Parcel ID No. 2393-274-01-004 Page 159 G:\2019\19226\CIVIL\CIVIL DWGS\PLOT\19226-C1020-GRADING.DWG - Feb 21, 2020 - 1:21pm °d ° N \ \\ \•I - \° ° a ° ` S OPRIS ENGINEERING, LLC. I -z_:------- CIVIL CONSULTANTS -I ° / I \ 1 I / \ \ \ \ \ \ \ ° \° ° / I d °a °d \ \ ~ ° \ I - L / � t1T - - I \ 1 - - t \ _ I \\ y ° \� L 502 MAIN STREET tg ° 1 T !- < < / XUF-iT��r - - �- / \ \ \ 4 °° \ ` xUT ° d I I \ CARBONDALE, CO 81623 � \ = - = - 41IVV - - \ \\\ \ - \\\\ �/ /__ \ /// //� - - -\\\\ I ° ° d ° / \ \\ ° \ (970)7040311 a- T _ --� - L ° \ FAX: (970)-704-0313 ° ° J \ \ ° w /° \ / m ° \ / x \ ____- u \ _ _ - _ - - --\-LP:£1-8338'-@ � \ - - \ LP 6183.18 �1a INLET- EXISTING DRY STACK - - - - - - - tR:618 Q@Vt�T\ ` \ \ \ - \ - HP6185.5Q- ��-\ \ \ \\ \ \\ x\ - 63 - \ WALL TO REMAIN. / \ �d ° d ° X \� d / I I _<- z -� m �- LU - -7-- - - �L _- 61 z- --� 6195-- ��- - _ _ - - - \ \ \ \ - -� �6197 -- _� \� \ \\\\\ \ \ \ s \ \ ° - --fir\ o� / In ��-� \ \\ \ \ \ \ \ \ 6 \ �13 /� LP: 1: 8' INLET +J itX,4�y, �= -- o� /� o �2.0 % �� \\�\ \ \ \ - --_ - _ _ _ - _ er < \��\\�Z� \ \ \ \ \ \ \ \ \ \ \\ / \ ° I/ IarI i FG:6183.76' �+ 2.3/ \ \ \ / ,,, \ \ \ \ I O 4.419,. ,.+ 1O I/• g3 V- FG:6184.43' co 1r- o FG:6184.73 FG:618 ��\�\�� �8S I m c \ \ � \ \ \ / 1�i,`'-� y _ 6 .44' 6184 6186 ��� \ \ \\ \ FG:6186.18 \\\��\ \ \ /\ / /�' 6185 }� ���/ FG:6184.91' G:6184.07' \ -\\\\\ G:61 @ INLE 61 6.1 PFP�86 4 \ \ �� EXISTING DRY STACK \ \ x / 10_ /// �'�' WALL TO REMAIN. l \ .� / FG:6182.50' FG:6185.00' FG.6183.00' \ FG:6186.64' \\�� \ \ \ \�\\ \ / \ / TOP OF FOUNDATION WALL TO BE RETAINING WALL o 1.5/� oo\�\\9 \\ \ `O\ \��\ \ \\ I / / t \ MINIMUM 8" ABOVE FINISH GRADE (TYP.) TOP = 6186.50 L.6182.11' \ ' j \ \\ \\\ \ 61 / / o W • )) \ BOTTOM=6183.00± FG:6182.40' o' PROPOSED STORM RE: C1.020 \ `�\ O\�\\ ��\L8§ \\ ` \\\ J61 �\ \ J \ \\ /// / DESIGNED BY JPP // / / * 1.; / - •, _ \ \\ \ - \\ •'• � - \ DRAWN BY JPP / / '*4/160L- / �\ WALL �� 6186 �� `_ - --. J / / / FG:682.50' ® TPROPOSED A BOTTOM86 83.00± \ \ \- - ' - CHECKED BY YTN �/ / 3 / 1.6% 2 % \ \ \ \ \\ . \ //;ikWk7ifIffr \ TOP OF FOUNDATION WALL TO BE \\� \\ \ \/ -E FG:61:6.0 \ , 4 - ' ° \ O FG:6187.64' MINIMUM 8" ABOVE FINISH GRADE (TYP.) \\ \ \ \ \ \� \\ DATE: 02-21-2020 .► G:r :6181.87' @ INLE7 FG:6186.70' \ j \ �\ / / \ EX:6 / \ } ., f i81.97' �// - oo FG:6183.00' \ \ \ \ -r// / /� / \\\\\\\\�\\\\\\ \ �\ X JOB NO. 19226 \ \\ \ \ / - ^✓// // / / / �/ . / �� PROPOSED BUILDING. I RE. ARCHITECT'S PLANS. FL:6182.66' \\ \ _ 2.4 2.0% \ \ \\•\\\\\\ `--- \\ / / o / // / \\ \\ \\\ \\\ / / // / / WEST LOADINGPROPOSED ZONE /, BUILDING. \ \ \\\ \ \\\ - \,_ / - I// // \/ / / / / J / �= 1 \, 4i I / / \ \ / FG:6182.50' \ - \ 1.7% , RE: ARCHITECTS PLANS. \ o \\\\\\\\ \\ - EAST LOADING \\\ \� \\ �_ - - ZONE FG:6186.63' \ / \\ \ \\�� �\ \ x - - V '� \ \\\ \\ \\ L / .1.-- \ / / HP.6182.07' - 3' CONCRETE VALLEY PAN. \ \ \\ \ / / / \ /� / 3' CONCRETE VALLEY PAN. I PROPOSED FINISHED FLOOR _ �\ 3' CONCRETE VALLEY PAN. N / \\ \\\\\\ to / \\\ \\\\ \\\\ v - - �' ,3X .1az / EL. = 6182.50 I I 0 ��\\\\ - /r X \ / L:6111.34' @ INLET \PROPOSED FINISHED FLOOR FG:6183.00' - \\ \X \ >,�/ \03 24" WIDE FLUSH RIBBON 6�8?� :6181.87' @ INLET EL. - 6183.00' -_j \) \- FG:6182.� - CURB (TYPICAL). ( ) FG:6182I50' �\ m / I \ I L:6182.0`' \ \ - - o ° FG.6182.00' \ FG:6182.94'J �G.6182.94 �1 I I\ U /o xRR \ \ / �, �_ yL writo FG:6181.41' \ / II ,_ ION FA VISION ORADC 1 � \\\ ��I FG:6182.34' o °� e D o ----� d _ k �' FG:6180.84' xRR \ FG:618 • ��, / \ J w I � 7 - o FG:6183.00' �a I - 1+, • H .. 31g. • 3' /r / �� \ Wo 3 Z% xEL - - + + ® I XE = FG.6182.00' x RR / l• -IP.6182.11' ., \ + /+ +x * / N `3x 3x 0 FG:6182.00' e\ 6180 / PROPOSED DRY HYDRANT - \ ax -- y x. L FG:6 81.50' Et _ \ , m FG:6182.27' ^ + _ - y W o xEL FG•6181.81' ' CK FG:6180.00' / / -ox kEL �w o\� CO xRR `� - - - SETBA Svc � \ 50 sa 2.0% •��M i 1s w ? x . G:6182.14' I �� �� XI RR x . -_.-. - I" iiac "4:_ UEL TEL Xlr,---�3X !F� XI RR - IRR ' -� svc F 182.00' \ sa ,;- > - ' ;•.. R IRR _,''� \ 13X IRR •_\ o > :2.7. IRR XIRR x I� \ FG:6182.50 i / T\t W ( \ }, Svc w 6180 :0.E14UEL A ii sa x /IRR + O UEl E FL:617•.: \ � w •° �j _ Svc IRR' R AGE/ FABRIC/ DIXON SUBI 1 COUNTY, CC ITED IMPACT REVI \ /� E o �` 618'194' r sa o/ 1R2.4/ -1- ��t1►] �� I +� ' e� TES W �� -lRR �� MDR>\it:-) n / FG:6181.71' @ 11 c • sa sv o IRR 3�_ �� \ + +-V\ / + + /+ + UE( o•180.11' • �Ft - W\is ��� .. \ + - R FL:6181.18' • F e.:6 :1.94' ,l + + FG:61 ; 0.15 / `-cIf6` R+ F r 1 \ + R TEL x �/ - .181.69' OS\ I .6182.00' �` V d��r ` _ f + - FG.6176.30' + o IRR uEL T� svc sa / �®I � - \lbw ��. L + - �i + + + - + +/� - - - \ N W sa svc r�EL '. o - / l/ G /RR r\ UEL TE `_ o at -T �� 1j9 -1� II STORM WATER FG.6176.30' @ DRYWELL I T: 0 1RR 6180 uE( - j' - - - - -1111 + J�- 4t. • ' 83' lRR ` TEL T TEL -_ I , 700 + ` _ - •()' TEL ` RR \ + DETENTION + 1 + /��+ 44,311 UEL UEL UEL c UEL E ; 0• PL \ �- "1/ 0 SS - X 1FtgNGRA /\\ r0+ /�+ \ �� \-p�TS_OUTFACE r �o RIRR 6181.91 SNP-1° �÷ f �w \)'6.58' - INTO GRASS SWALE Maw FG:6180.8� •oo \ SGM \6I82 I 61 _ "_ p.7% �! E IRE: - - - - -� 6175 - - A 4 - --- - �� ER'NLIN / \ OP X ,111 = -_ 1. / ssi - X --� _\ ---- ,_ ILin E _ t1 �-- x 2.�1Z4-618o 9% �... - = /Lo - -i618__ _r` + 1 6178 �- �� -_-_ ��n//_`r 24"WIDE FLUSH RIBBON -�- _\ -4� -- - FG:617�99�� 3.1/ _� �: -_ r\// -�X�f --_\------� iy�!1�� -� _ --- - --v -v �i Q -� - �- :. i- + -_- + �-,- \� + + ,•_C_ - ---' - J - CURB ------_--� �- - -\ ---�_ ----- " �� \\ - _ -_ -3,- -max__ -- __- -- f - _ - -- ---- J _ ___ -- ��� - _ PROPERTYLINE(RE:SGMPLAT)� _� FL:617�. 8� -�� ---__ -- ---- ---- -------_- I - - _ --- - o - - - �'_ _ - - - \ •.■ � UT XUT XUT XUT XUL SHALLOW UTILITY SERVICES EXISTING DRY STACK XUT XUT ARBLE S PAR GARI \„ j\ Io .T - - - XUT XUT - XUT XUT xffT xuT 1 XUT - - - AUT \ TO THE BUILDING - i L WALL TO REMAIN. -xU MIT- XUT XUT XUT / \ / \ / \ , \ XUT T- - ` - - - - xui - `--6174--/ o � XLT NEW3PHASEPOWERPOLE XLLT_- -X� _ _ _ ___----- --�J --------- ----� EXISTING STORM INCDOTROW. ---- __-` Mr w --- - GRAPHIC SCALE , HIGHWAY 82 20 0 10 20 40 80 LT; III o _ 0 (IN FEET) z 1 inch 20 ft. G SITE IMPROVEMENTS = LEGEND GRADING & DRAINAGE NOTES: EROSION CONTROL NOTES: 1. EXISTING CONTOURS ILLUSTRATED HEREIN ARE AT 1 FT INTERVAL, BASED ON SOPRIS ENGINEERING FIELD TOPOGRAPHY PERFORMED IN 2018. 1. CONTRACTOR MUST UTILIZE "BEST MANAGEMENT PRACTICES" (BMP), TO CONTROL EROSION AND SEDIMENTATION DURING CONSTRUCTION. SWALE OR -> > > >- PROPOSED DITCH 2. PROPOSED CONTOURS ARE AT 1 FT INTERVALS. 2. CONTRACTOR IS RESPONSIBLE FOR INSTALLATION AND MAINTENANCE OF ALL TEMPORARY EROSION CONTROL MEASURES. STORM SEWER PROPOSED Iiiii PROPOSED STORM INLET 3. GRADE LANDSCAPE AND HARDSCAPE SURFACES AROUND BUILDING PERIMETER AS NEEDED TO PROVIDE POSITIVE DRAINAGE AWAY FROM 3. DUST CAUSED BY DEMOLITION, EXCAVATION, TOPSOIL REMOVAL OPERATIONS, OR ROAD BASE PLACEMENT SHALL BE CONTROLLED BY THE CONTRACTOR AT HIS PROPOSED ASPHALT PAVEMENT EXTERIOR WALLS. EXPENSE. THE ENGINEER OR CITY MAY REQUIRE THE CONTRACTOR AT ANY TIME TO DISCONTINUE CONSTRUCTION ACTIVITIES UNTIL DUST CONDITIONS ARE REDUCED PROPOSED CONCRETE/SIDEWALK TO THE COUNTY'S SATISFACTION. 10' MAX. C. TO C. 36" MIN. FENCE POSTS, PROPOSED - EXISTING EASEMENT SNOW STORAGE AREA 4. CONTRACTOR TO VERIFY GRADES ACROSS SITE TO ENSURE THAT THE INSTALLATION OF THE GRADING & DRAINAGE IMPROVEMENTS ARE IN COMPLIANCE WITH THE INTENT OF THE DESIGN RECOMMENDATIONS ILLUSTRATED HEREIN AND ON THE DRAINAGE PLAN. THE ENGINEER OF 4. BMP'S SHALL BE INSTALLED BEFORE ANY EARTH DISTURBING AND/OR DEMOLITION ACTIVITIES COMMENCE. RECORD SHOULD BE MADE AWARE OF ANY EXISTING GRADES THAT MAY IMPEDE THE CONSTRUCTION OF THE GRADING AND DRAINAGE DRIVEN MIN. 16" INTO GROUND EXISTING PROPERTY - - -EXISTING SETBACK EXISTING LEGEND LINE I I LINE IMPROVEMENTS. 5 STORMWATER DISCHARGE FROM CONSTRUCTION N ACTIVITIES SHALL NOT CAUSE, HAVE THE REASONABLE POTENTIAL TO CAUSE, 0R MEASURABLY CONTRIBUTE T AN II EXCEEDANCE OF ANY WATER QUALITY STANDARD. 5. DOWNSPOUT FOR BUILDING ROOF DRAIN SYSTEM TO BE COORDINATED WITH THE ARCHITECT AND MECHANICAL ENGINEER. �i I I 6. CONSTRUCTION SHALL BE PHASED IN A MANNER TO LIMIT EARTH DISTURBING ACTIVITIES I.E. THE ENTIRE PROJECT SITE SHOULD NOT BE DISTURBED IF II ( CONSTRUCTION WILL ONLY BE OCCURRING IN ONE PARTICULAR SECTION). 6. THE CONTRACTOR SHALL CONTAIN HIS CONSTRUCTION OPERATIONS TO THE AREA WITHIN THE ACTIVITY ENVELOPE, THE CONTRACTOR SHALL NOT ) G OPERATE OUTSIDE THIS AREA WITHOUT THE PRIOR CONSENT OF THE PROPERTY OWNER INVOLVED. I I ••4333:•333333:••J333:•33:•333:•33:5333333:❖33:•:3:•33:•:•J3333:••J33::333:•333333:••J:i•. •i4•.00❖.O❖.O.O.O•.0•0.00❖.0•0.00❖.O❖.Oy.O❖.❖0.00•.O❖.00❖.O.O.O❖.•.00O; :�:� :•33 ,,............................❖.❖.❖.❖.3❖.❖.❖.❖.❖..;.❖.❖.❖.❖..❖..❖.❖.❖... , �lTj• . I I I •i'i`i I I I I ...... III �ias ies: i W J - LL O � 2 _ EXISTING CONTOUR 7. SEDIMENT CAUSED BY ACCELERATEDSOIL EROSION BE REMOVED FROM RUNOFF WATER BEFORE IT LEAVESTHECONSTRUCTION ITE. _ C US CC SHALL0 00 S �J,� ,,,,,,, .„ .............. - .;. W 1 f 7. CONTRACTOR SHALL PROTECT ALL EXISTING TREES THAT ARE TO REMAIN. r �1= - w �� EXISTING CONTOUR F10�1 1 INTERVAL 1 • • 7900 8. BULK STORAGE STRUCTURES FOR PETROLEUM PRODUCTS AND ANY OTHER CHEMICALS SHALL HAVE SECONDARY CONTAINMENT OR EQUIVALENT PROTECTION TO 8" MIN. DATE REVISION > > > > EXISTING SWALE STORM OR DITCH 8• THE UTILITIES AS SHOWN MAY NOT REPRESENT ACTUAL FIELD CONDITIONS. IT IS THE RESPONSIBILITY OF THE CONTRACTOR TO CONTACT ALL CONTAIN ALL SPILLS AND PREVENT ANY SPILLED MATERIAL FROM ENTERING STATE WATERS. FA,0. SEWER V XSD XSD EXISTING UTILITY COMPANIES FOR FIELD LOCATIONS OF UTILITIES PRIOR TO CONSTRUCTION. EXISTING EASEMENT 9. THE EROSION CONTROL PLAN SHALL BE CONTINUOUSLY UPDATED TO REFLECT NEW OR REVISED BEST MANAGEMENT PRACTICES (BMP'S) DUE TO CHANGES IN DESIGN, CONSTRUCTION, OPERATION, OR MAINTENANCE OF THE CONSTRUCTION SITE. UPDATES MUST BE MADE WITHIN 72 HOURS FOLLOWING THE CHANGE IN BMP'S. - - EXISTING PROPERTY LINE 9. ALL GEOTECHNICAL RECOMMENDATIONS MUST BE ADHERED TO. 36" MIN. FENCE POST - SETBACK STBK EXISTING (XX') x x EXISTING WIRE FENCE 10. ALL SITE RETAINING WALLS BY OTHERS. 10. THE CONTRACTOR SHALL INSPECT THE CONSTRUCTION SITE (INCLUDING ALL BMP'S, STORAGE CONTAINERS, AND CONSTRUCTION EQUIPMENT) A MINIMUM OF EVERY 14 CALENDAR DAYS AND WITHIN 24 HOURS AFTER A PRECIPITATION EVENT OR SNOW MELT THAT MAY CAUSE SURFACE EROSION. 11. ALL STORM PIPES SHALL BE GASKETED PVC SDR-35 OR AS NOTED ON PLANS. PIPE LENGTHS ARE MEASURED FROM CENTER OF STRUCTURE TO CENTER OF STRUCTURE. 11. THE CONTRACTOR SHALL KEEP A RECORD OF ALL INSPECTIONS ON SITE AND AVAILABLE FOR REVIEW BY COUNTY STAFF. INSPECTION REPORTS MUST IDENTIFY ANY 20" MIN. SPOT ELEVATION LEGEND INCIDENTS OF NON-COMPLIANCE WITH THE TERMS AND CONDITIONS OF THE PERMIT. 12. PROVIDE A CLEANOUT WITH FRAME AND GRATE AT ALL DOWNSPOUT LOCATIONS AND A MINIMUM OF 150 FT. IF INLETS ARE NOT PROVIDED. GRATE FLCVL UNDISTURBED GROUND COVERS TO BE 4" BRASS WITH "STORM" EMBEDDED ON COVER. 12. STRAW BALES SHALL NOT BE USED FOR PRIMARY EROSION OR SEDIMENT CONTROL (I.E. STRAW BALES MAY BE USED FOR REINFORCEMENT BEHIND ANOTHER BMP BOW = BOTTOM OF WALL SUCH AS SILT FENCE). EOA = EDGE OF ASPHALT 13. ALL INLETS, TRENCH DRAINS AND BASINS WITHIN THE DRIVEWAY SHALL BE TRAFFIC RATED PER MANUFACTURERS REQUIREMENTS. EMBED FILTER CLOTH 13. BMP'S INTENDED FOR SHEET FLOW SEDIMENT RUNOFF SHALL BE PLACED PARALLEL TO THE SLOPE. MIN. 8" INTO GROUND 16" MIN. EX = EXISTING GRADE FFE = FINISHED FLOOR ELEVATION 14. INSTALL RODENT SCREENS AND OUTFALL PROTECTION AT THE OUTFALL OF ALL DRAIN LINES. i FG = FINISHED GRADE FL = FLOW LINE 14. ALL BMP'S SHALL BE CLEANED WHEN SEDIMENT LEVELS ACCUMULATE TO HALF THE DESIGN OF THE BMP UNLESS OTHERWISE SPECIFIED. 15. CONTRACTOR TO ADHERE TO ALL MANUFACTURER'S INSTALLATION RECOMMENDATIONS. SILT FENCE DETAIL HP = HIGH POINT LP = LOW POINT MATCH EX = MATCH EXISTING = RIM ELEVATION TBC = TOP BACK OF CURB TOC = TOP OF CONCRETE 15. A VEHICLE TRACKING PAD (VTP) AND/OR STABILIZED STAGING AREAS SHALL BE PLACED AT ALL EXITS FROM THE SITE TO PREVENT TRACK -OUT ONTO CITY STREETS. IF NOTES: 16. HEAT TAPE SHALL BE PROVIDED FOR ALL DAYLIGHT PIPES AND PIPES THAT ARE BURIED LESS THAN 42" FROM FINAL GRADE. TRACK -OUT DOES OCCUR, THE CONTRACTOR SHALL IMMEDIATELY SWEEP THE STREET OF DEBRIS. 1. SILT FENCE TO BE FASTENED SECURELY TO FENCE POSTS WITH WIRE TIES OR STAPLES.81RIM 16. ALL PORTA-POTTY STRUCTURES MUST BE FIRMLY SECURED WITH #4 REBAR ANCHORS OR EQUAL. MUST BE PLACED AWAY FROM FLOW LINES OF STREET, SWALES, 2. FILTER CLOTH TO BE FASTENED SECURELY TO FENCE WITH TIES SPACED EVERY RAIN GARDENS & AWAY FROM INLETS. 24"AT TOP AND MID SECTION. r 3. WHEN TWO SECTIONS OF FILTER CLOTH ADJOIN EACH OTHER THEY SHALL BE z o/ 17. STOCKPILES OF SOIL OR OTHER ERODABLE MATERIALS MUST BE MANAGED SO THAT STORMWATER DOES NOT COME IN CONTACT WITH THE PILE AND POTENTIALLY OVERLAPPED BY SIX INCHES AND FOLDED. , " below. TITLE GRADING & DRAINAGE PLAN DRAINAGE DIRECTION/SLOPE SPOT ELEVATION EXAMPLE: TOP OF CONCRETE @ 7900.00' = - WASH POLLUTANTS OFFSITE. AT A MINIMUM STOCKPILES SHALL BE ROUTINELY WETTED AND/OR BLANKETED AS WELL AS INCLUDE AN EROSION SOCK PERIMETER 4. MAINTENANCE SHALL BE PERFORMED AS NEEDED AND MATERIAL REMOVED Know what's XXX:xxx.xx' BARRIER TO PREVENT WIND EROSION AND SEDIMENT TRANSPORT OFFSITE. STOCKPILES THAT ARE INACTIVE FOR MORE THAN 7 DAYS WILL REQUIRE SOIL BINDER OR WHEN "BULGES" DEVELOP IN THE SILT FENCE. Cal I before you dig. HAVE MUCLH/MULCH TACKIFIER APPLIED. POSTS: STEEL EITHER T OR U TYPE OR 2" HARDWOOD. CALL 2-BUSINESS DAYS IN ADVANCE TOC:7900.00' BEFORE YOU DIG, GRADE, OR EXCAVATE 18. EROSION CONTROL BLANKETS SHALL BE INSTALLED ON ALL SLOPES EXCEEDING 3:1. FILTER CLOTH: FILTER X, MIRAFI 100X, STABILINKA T140N OR APPROVED EQUAL. FOR THE MAEMB ROUNDERGROUND UTILITIES DRAWING NO. C-1.0 Z O