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<br />COAL CREEK RANCH
<br />FILING NO. 3
<br />LOUISVILLE 1CAMPUS'
<br />IIN COAL CREEK FILING No. 3
<br />•
<br />I.QR,00= 21.93CFS (PROPOSED), 'j` #.I
<br />QR,co= 30.7CFS (ALLOWABLE)_ - :4
<br />PER COAL CREEK RANCH
<br />F#3 FINAL DRAINAGE REPORT
<br />BY HURST & ASSOC. _ `.
<br />JAN. 2, 1990
<br />N ..
<br />T & ASSOC.
<br />REPORT, COAL CREEK
<br />I RANCH, F#2
<br />JAN. 2, 1990
<br />PICKUP IN GRATED LID
<br />MH 21+90± OF 85TH
<br />SEE POB II DRAINAGE
<br />REPORT FOR POND El
<br />AND EMERGENCY OUTFALL
<br />CHANNEL DETAILS
<br />E-1 POND DATA
<br />V1oo= 37,671 c.f.
<br />WS EL1oo= 5463.50
<br />QR....= 21.93 cfs
<br />EMERGENCY SPILLWAY EL= 5467.3
<br />(FREEBOARD= 3.8)
<br />"....."...RECOMMENDED
<br />CUTOFF SWALE
<br />•
<br />CITY OF LOUISVILLE PARK
<br />FUTURE CUTOFF
<br />SWALE
<br />' EXISTING INLETS.
<br />TO BE ABONDONED
<br />WHEN ST. ANDREWS
<br />CROSSING IS
<br />CONSTRUCTED.
<br />H1
<br />1.90:
<br />FUTURE POND*
<br />FUTURE INLETS F5.2
<br />AND CROSSING
<br />OF ST. ANDREWS
<br />D1
<br />\12.34/-w
<br />POND E2 AND RELATED OUTLET
<br />STRUCTURE TO BE ELIMINATED.
<br />DETENTION REQUIREMENTS FOR
<br />BASIN D2 ARE FULFILLED IN
<br />POND E1
<br />FUTURE POND*
<br />F6
<br />COAL CREEK
<br />GOLF COURSE
<br />..
<br />./
<br />PLACE OUTFALL
<br />PIPE IN EXISTING
<br />DRAINAGEWAY
<br />QR„„==25CFS (ALLOWABLE)
<br />PER P.U.D. DRAINAGE REPORT
<br />'FOR BOULDER VALLEY
<br />SCHOOL DISTRICT
<br />LOUISVILLE CAMPUS :._.j.
<br />..
<br />BY CHARLES KEIM & ASSOC. j>
<br />MAY 1996,.;,.:.,.:......:,.,,.
<br />ST
<br />STREET IMPROVEMENT S
<br />CONSTRUCTION
<br />Q8 s1wo= 3.73CFS
<br />QAVISTIA100 4.49CFS
<br />QCAPACITY=25±CFS
<br />LEGEND
<br />HISTORIC BASIN IDENTIFIER
<br />BASIN AREA (ACRES)
<br />DEVELOPED BASIN
<br />BASIN AREA (ACRES)
<br />PROPOSED SUB BASIN
<br />BASIN AREA (ACRES)
<br />HISTORIC BASIN BOUNDARY
<br />DEVELOPED BASIN BOUNDARY
<br />PROPOSED SUB BASIN BOUNDRY
<br />DRAINAGE DIRECTION ARROW
<br />DESIGN POINT
<br />PROPOSED STORM SEWER
<br />EXISTING STORM SEWER
<br />PROPOSED CONTOURS (1' INTERVAL)
<br />EXISTING CONTOURS (1' INTERVAL)
<br />FUTURE'
<br />BUILDINGS.;
<br />11'Wx2'Lx 1.3'D
<br />/TYPE L RIPRAP.''
<br />D50=9"
<br />9.0' CURB)
<br />i\
<br />CUT.:.
<br />3.8 / ■• FOR 2001 EXPANSION
<br />■ • ■ ` STORM SEWER DESIGN
<br />_ SEE PUD DRAINAGE REPORT
<br />`� ■• BY CHARLES KEIM & ASSOC. ,
<br />2001 % 5/16/01 & FINAL
<br />EXPANSION COI'ISTRUCTION PLANS 8/17/01
<br />COAL CREEK
<br />MEDICAL CAMPUS
<br />:24"X38" -ST''
<br />. CENTENNIAL PEAKS
<br />HOSPITAL
<br />24" -ST
<br />BOULDER VALLEY
<br />SCHOOL DISTRICT
<br />LOUISVILLE CAMPUS
<br />POB II/ASC
<br />EXPANSION
<br />*.c$55*-.
<br />co
<br />* FUTURE PONDS SHOWN ARE
<br />10x
<br />w
<br />ciS
<br />U
<br />U
<br />SCHEMATIC ONLY
<br />U)
<br />w Sub
<br />Basin
<br />G:\DWG\05\546 - Avista Surgery Addition\546Drain.dwg, Drain, 9/30/2005 10:54:46 AM, alexs
<br />A
<br />B
<br />C
<br />D
<br />E
<br />F
<br />Design
<br />Point
<br />50
<br />51
<br />52
<br />53
<br />54
<br />55
<br />24" -ST'.
<br />-18"-ST- -
<br />PROPOSED FLOWS
<br />Area
<br />0.15
<br />2.01
<br />1.16
<br />4.28
<br />3.04
<br />13.37
<br />Q100
<br />(cfs)
<br />1.28
<br />88th STREET CULVERT
<br />QR,00 83.8CFS (ALLOWABLE)
<br />PER DRAINAGE REPORT FOR
<br />88TH STREET IMPROVEMENTS
<br />BY CHARLES KEIM & ASSOC.
<br />(ALSO IN APPENDIX OF P.U.D..
<br />DRAINAGE REPORT FOR
<br />BOULDER VALLEY SCHOOL
<br />DISTRICT LOUISVILLE CAMPUS
<br />BY CHARLES KEIM & ASSOC.
<br />MAY 1996).
<br />SURFACE CUMULATATIVE
<br />15.79
<br />7.98
<br />25.68
<br />37.60
<br />45.42
<br />Q5
<br />(cfs)
<br />0.63
<br />7.36
<br />2.66
<br />14.70
<br />5.9 1
<br />6.95
<br />Ql0o
<br />(cfs)
<br />1.28
<br />16.98
<br />24.51
<br />25.68
<br />7 7 A
<br />J i .-r
<br />45.42
<br />POND SUMMARY TABLE
<br />V1 ooRequlred V 1 DR•quired QR100 QR10
<br />Pond (ft3) (ft3) (ft3/s) (ft3/s)
<br />E1 (3) 37,671 20,735 21.9(2) 5.3(2)
<br />E2(4) 14,174 0,073 3.0 2.6
<br />E3 42,640 24,930 8.2 2.0
<br />F5.1 27,505(1) 16,071(1) 5.3 1.3
<br />F5.2 18,561(1) 10,845(1) 3.6 0.9
<br />F6 18,974(1) 11,087(1) 3.7 0.9
<br />F10 18,575 13,683 3.3 0.8
<br />Total 158,017 94,259
<br />Q5
<br />(cfs)
<br />0.63
<br />7.73
<br />10.51
<br />14.70
<br />11.7-7
<br />i
<br />45.42
<br />d 100
<br />(ft)
<br />5.6'
<br />2.9'
<br />5.3'
<br />N.A.
<br />N.A.
<br />N.A.
<br />3.0'
<br />r..
<br />MALL FUTURE REQUIRED DETENTION VOLUMES ARE CALCULATED BASED UPON
<br />ASSUMED IMPERVIOUSNESS 1=75%. IF THE COMPOSITE I CALCULATED BASED
<br />ON FINAL CONSTRUCTION PLANS DIFFERS, THE DETENTION VOLUMES SHALL BE
<br />ADJUSTED ACCORDINGLY.
<br />(2)POND El RELEASE RATES INCLUDE BASIN D2.
<br />NOTE: THIS DRAWING IS AN UPDATE
<br />OF PREVIOUS PUD APPROVALS
<br />AND IS SHOWN FOR CONTINUITY.
<br />SEE AFFECTED AREAS ON SHEET 2
<br />(3)VALUES FOR POND El HAVE BEEN UPDATED
<br />TO INCLUDE THE SURGERY ADDITION AND BASIN
<br />(4)POND E2 HAS BEEN ACCOMMODATED IN POND
<br />D2
<br />El
<br />F YOU DIG COLORADO - CALL US RRSTI
<br />UTILITIES NOTIFICATION CENTER
<br />1-800-922-1987 a
<br />(303) 534-6700
<br />CALL BUSINESS DAYS PRIOR TO
<br />EXCAVATION FOR UTILITY LOCATIONS
<br />City of Louisville
<br />Approval
<br />BY:
<br />Date:
<br />Document Approval Expires:
<br />This document was reviewed for conformance with City of Louisville
<br />Design and Construction Standards. City approval does not relieve
<br />owner, design engineer or contractor of responsibility to correct errors
<br />or omissions relating to this document.
<br />T
<br />\/0: /, 0.92'
<br />SWALE X -X
<br />NTS
<br />Q1oo = 37.50 cfs
<br />d = 0.92'
<br />V= 5.88 ft/s
<br />s = 4.0% ±
<br />SWALE Y -Y
<br />NTS
<br />Oloo = 45.42 cfs
<br />d = 0.55'
<br />V = 3.80 ft/s
<br />s = 3.33%
<br />SCALE: 1" = 100'
<br />100 0
<br />50 100 200
<br />2301 BLAKE ST., STE. #100
<br />DENVER, COLORADO 80205
<br />303.861.8555 F.303.861.3027
<br />0137 MAIN STREET . UNIT C106
<br />POST OFFICE BOX 2711
<br />EDWARDS, COLORADO 81632
<br />970.926.8960 F.970.926.8961
<br />1,,,i,ii„„,,,,,„„iliilii11111 111111 111 111111111 111111iiiiliiiil
<br />CHARLES KEIM& ASSOCIATES, INC
<br />Consu/ting Engineers
<br />1711 15TH ST., SUITE 200
<br />BOULDER, CO 80302
<br />303.447.0090 F 303.447.9141
<br />ISSUE/REVISION I DATE I NO.
<br />FINAL PUD SUBMITTAL . 07.19.05
<br />REV. FINAL PUD SUBMITTAL 09.30.05
<br />AVISTA ADVENTIST
<br />HOSPITAL
<br />100 HEALTH PARK DR
<br />LOUISVILLE, CO
<br />CENTURA HEALTH
<br />SURGERY ADDITION
<br />FINAL PUD AMENDMENT
<br />DRAINAGE PLAN
<br />DRAWN BY ACS
<br />CHK'D BY CRK
<br />SHEET FILE
<br />546DRAIN.DWG
<br />COPYRIGHT 2000 BY DAVIS PARTNERSHIP P.C.
<br />SHEET NUMBER:
<br />10 OF 11
<br />D.P.A. PROJECT # 0541100
<br />
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