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H:\E5814\Engineering\Sheets\5814DR0P.dwg, DRAINAGE, 9/20/2007 9:58:53 AM, 1:1, Drexel, Barrell & Co.,maa <br />\ J• <br />0.18 <br />0.59 <br />— — .-- <br />• <br />-is <br />DRIVE RAMP <br />IS <br />.15 <br />0.26 <br />1,56 <br />EX118" RCP STOR <br />_. §4? LANDSCAPE AND OPEN <br />- - - SPACE _C_ ONSERYA.TION-- - - - <br />EASEMENT <br />is 1S <br />DRIVE RAMP <br />1S <br />-01-5- ----------- <br />0:33- <br />is <br />------------------------- <br />iS is 1S is <br />EX 24" RCP STORM <br />EX 30" RCP STORM <br />IS 1S <br />EX 18" RCP <br />STORM <br />P-STOI�vi <br />290 <br />30' DRAINAGE AND �~ <br />11'" t7 <br />RS:P STRAA PRIVATF1- - <br />J POND, <br />X 18 RCP STORM <br />1S 11 <br />PROPOSED <br />SIDEWALK <br />ASEMENT <br />is;-ci CT., <br />1 .J <br />hRIVHItJ— <br />VC_ST <br />RI`VATE } <br />11 I 11 1 QIV <br />• <br />r <br />F -- <br />c;_ <br />1 <br />LiJ <br />• <br />0.33 <br />1.96 <br />Jn <br />\ <br />I <br />■ <br />r <br />• <br />■ <br />■ <br />■ <br />■ <br />• <br />• <br />;g; F-- <br />1 I <br />L1J <br />18" RCP STORM <br />PRIVATE <br />(PRIVATE) <br />1111 11111111 X1111! I„ III <br />\ <br />PRORQSED <br />BUILDING <br />FF=297.5\\ <br />SWALE 0 1% <br />.2,3 <br />4.63 <br />2.23 <br />4.63 '\ <br />Q. <br />6� RVC ROOF DRAIN (TYP) <br />124"TRENCH DRAIN (TYP <br />SWALE 0 2% <br />• <br />• <br />'sem <br />N <br />1111111 11111111 11. 111!1 <br />VIII 1!11191111 I111g1111111 11J1 <br />N. 111111111118111 III 11111 <br />111111 1111 l l 11111 <br />I 1'11111111111 111111m 1up11g111 <br />-"S <br />- <br />29: <br />X2.98 <br />-5298 <br />-IIS - <br />---- --_y- EX 18” RCP STaM <br />; <br />PREPARED BY: <br />Drexel, Barrell & Co. <br />1800 38TH STREET BOULDER, COLORADO 80301 <br />COLORADO SPRINGS <br />(719) 260-0887 <br />• GREELEY <br />(970) 351-0645 <br />CONTACT: JIM BRZOSTOWICZ, P.E. <br />Engineers • Surveyors <br />(303) 442-4338 <br />• GRAND JUNCTION <br />(970) 257-1350 <br />STEAMBOAT SPRINGS <br />(970) 879-1523 <br />LOT BLOCK <br />11.r`-. "::::N; I r ri <br />"Tr ;: ;'T U <br />PREPARED FOR: <br />AT <br />JM ASSOCIATES INC <br />5777 CENTRAL AVE STE 110 <br />BOULDER, COLORADO 80301 <br />(303) 449-1887 <br />CONTACT: JERRY MOORE <br />• \ <br />�l \ <br />L. Oi 1 =f Le L_ Ei '. I -$ <br />JTHE EiUSiNEESS CEi\iTE:LF AT <br />PROJECT INFO: <br />COLORADO TECH CENTER LOTS 2&3 <br />DOGWOOD STREET & S. 104TH <br />LOTS 2&3 <br />LOUISVILLE, COLORADO <br />30' DRAINAGE AND <br />UTILITY EASEMENT <br />DESIGNED BY: REVISION DESCRIPTIONS <br />MAA CITY COMMENTS <br />DRAWN BY: <br />CI <br />CHECKED BY: <br />JAB <br />-4 <br />DRIVE RAMP <br />N <br />N <br />ear• <br />• <br />i <br />; <br />i <br />30' DRAINAGE AND <br />UTILITY EASEMENT <br />10' DRAINAGE AND <br />UTILITY EASEMENT <br />DATE DRAWING INFO. <br />30 JULY 2007 <br />• <br />30 20 10 0 <br />J 1 1 <br />LEGEND <br />DRAINAGE BASIN BOUNDARY INN ■ ■ <br />DRAINAGE BASIN DESIGN POINT <br />5 YEAR DEVELOPED FLOW (cfs) <br />100 YEAR DEVELOPED FLOW (cfs) <br />BASIN I.D. <br />BASIN AREA (Acres) <br />5 YEAR RUNOFF COEFFICIENT <br />100 YEAR RUNOFF COEFFICIENT <br />PROPOSED INTERMEDIATE CONTOUR <br />PROPOSED INDEX CONTOUR_ <br />PROPOSED SPOT ELEVATION <br />(ALL C&G ELEVATIONS ARE f[ U.N.O.) <br />EX INTERMEDIATE CONTOUR _ - 5364- - - <br />EX /NDEX CONTOUR_ - _R -5365- - <br />EX. SPOT ELEVA TONS <br />DIRECTION OF FLOW_ <br />EMERGENCY DETENTION POND OVERFLOW <br />CATCH CURB AND GUTTER <br />(ALL OTHER SHALL BE SPILL) <br />HIGH POINT HP <br />GRADE BREAK GB <br />LOW POINT _ . LP <br />a <br />a <br />'` 64 <br />65 <br />x 54.67 <br />` EN/ LP. -i <br />PROPOSED STORM SEWER <br />PROPOSED MANHOLE <br />PROPOSED MANHOLE DESIGNATOR <br />PROPOSED INLET DESIGNATOR <br />EX STORM SEWER <br />EX MANHOLE <br />EX MANHOLE DESIGNATOR <br />EX /NLS: T DESIGNATOR <br />DETENTION POND 1 SUMMARY <br />WQ STORAGE VOLUME 3"6 CU -FT <br />WQ WSEL = `.88.5' <br />10 -YR STORAGE VOLUME = 10,159 CU -FT <br />10 -YR WSEL = 289.6' <br />10 -YR RELEASE RATE = 0.60 CFS <br />100 -YR STORAGE VOLUME = 14,218 CU -FT <br />100 -YR WSEL = 290.0 <br />100 -YR RELEASE RATE = 2.50 CFS <br />DETENTION POND 2 SUMMARY <br />WQ STORAGE VOLUME = 3359 CU -FT <br />WQ WSEL = 286.6' <br />10 -YR STORAGE VOLUME = 10,186 CU -FT <br />10 -YR WSEL = 287.6' <br />10 -YR RELEASE RATE = 0.60 CFS <br />100 -YR STORAGE VOLUME = 14,304 CU -FT <br />100 -YR WSEL = 288.0' <br />100 -YR RELEASE RATE = 2.50 CFS <br />30 <br />SCALE: 111=301 <br />60 <br />• <br />ST <br />CITY OF LOUISVILLE <br />APPROVAL <br />This document was reviewed for conformance <br />with City of Louisville Design and Construction <br />Standards. City approval does not relieve owner, <br />design engineer or contractor of responsibility to <br />correct errors or omissions relating to this <br />document. <br />BY: <br />DATE: <br />Document Approval Expires: <br />DRAINAGE PLAN <br />DATE: JOB NO: SHEET <br />14 JUNE 2007 E-5814 C2 <br />SCALE : 1 ��_3a1 DRAWING NO.: <br />V: NONE <br />SHEETS = <br />6D 296 3 <br />co <br />90 <br />..a <br />O <br />0 <br />fV <br />o ( N <br />M 90 <br />- CD w <br />M co <br />—I CO <br />Jul V► <br />CD <br />rn <br />N <br />