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Storm Computations 6-29-04
X 4J uJ N ~ --'I -'-1 v.~ ~U~ 0 ~0 ©L i_ o.. ~- -'-i 2 v.~ U II II 'rD II II II ~ tn II -I.a 0 q- II O~U II II II Ii II II c- II = n,,.u _E II U ~J u U<~U 0 u E 00000~ 0000~~ 000000000 O0 0 ~ ~ ~UU 0 ~UUU~ LLLLI O~ '--J C) 00000~000 ~0~0~ 000000000 000000000 m~ ~ou,- or--- u ~ u.. ',.~ ii (i ii ii Ii ii ii ii II ii ii ii ii ii ~ Ii il Ii U II II II ~- ~ 0 II II ~ II "~ II ~ 00000~ 0000~~ 000000000 00~0~~ 00~0~0~ 000000000 0 ~UUO~ ~ ~j 212 Drainage Area for EX. CB #9 ::~ Total: 12335sf ""' 2963sf '~::" Hard ~ ?'i .... ~ ' ',:.. / / / / / - . -.,. -,. ,, / kX.' ../ Drainage for CB #7 Total: 9729sf Hard: 8548sf:: / / CB ? / . ,/ / · / ! EX, :/ rai e for~ ~l'otal.' 755~sf . I / / / ,,- ; Drainag CB #5 :' Total: 11650st Har'fd~.9877sf / / / / Drainage / ROOF STUB-' / Total: 15000st Hard: 15000st t / .. ' / ! · ; / '// .! / / i / / / / STORM SEWER DRAINAGE AREAS 1 "=20' / ! '! / / / / MNDOT NWL = HWL = POND 948.00 954.70 N ABBREVIATIONS BLDG Building BM Bench Mark CB Catch Basin CONG. Concrete DIP Ductile Iron Pipe ELEV Devotion EX. Existing FFE Finished FloOr Elev. GV Gate Valve INV Invert MAX Maximum MH Manhole MIN Minimum PIV Post-lndlcotor Valve PVC Polyvinyl Chloride RCP Reinforced Concrete Pipe RED Reducer PROPOSED PLAN SYMBOLS PROPERTY LINE .... STORM SEWER ~> ~ SANITARY SEWER ~ ~))> WATER PIPE I I I I POST-INDICATOR VALVE (~) CATCH BASIN/MANHOLE · ~ _ FIRE HYDRANT ~ WATER VALVE ~ EASEMENT LINE ---, --.-- ----, ~ SILTATION FENCE )( )( )( 20 10 0 20 40 SCALE 1' = 20' STRUCTURE STRUCTURE NEENAH DIMENSION IDENTIFICATION (INCHES) CASTING FES ~1 N/A MH #2 48 MH #,3 48 N/A R- 1733 R- 1733 R- 1733 R-3067 R-3067 R-~067 N/A N/A MH #4 60 CB #5 48 CB #6 48 CB #7 48 EX. CB #8 N/A EX. CB #9 N/A STORM SEWER TOP INVERT ELEVATION ELEVATION N/A NW, 955.00 972.50 SE. 955.48 NW. 963.00 SE. 963.39 974.60 S. 965.00 W. 970.OO E. 970.78 977.80 W. 970.7~ SW. 970.9~ 976.00 NE. 971 .'~.,~.i SW. 971.09 977.15 NE. 971.4.2 SW. 97t.52 977.40 NE. 972.00 976.50 E. 97~..43 W. 972.52 976.50 W. 972.75 TABLE PIPE LENGTH, DIAUETER. SLOPE & NEXT UPSTREAM STRUCTURE 63 L.F, OF 18" RCP @ 0.75%, MH #2 52 L.F. OF 18" RCP @ 0.75%, MH #,3 88 L.F. OF 8" PVC @ 4.00%, ROOF STUB (EXISTING 15" RCP @ 0.9.3%), MH #4 (EXISTING 15" RCP @ 0.9,3%), EX. CB #8 10 L.F. OF 15" HDPE @ 0.60%, CB #5 55 L.F. OF 15' PVC @ 0.60%, CB #6 96 L.F. OF 12" HDPE @ 0.50%, CB #7 enriching communities through architecture duluth * virginia * grand rapids · twin cities wwwodsgw.com CENTURY PLAZA LOT "C" CITY OF CHANHASSEN RECEIVED JUL 0 ~ 2004 CHANHASSEN PL/~NNING DEPT CHANHASSEN, MN projea # 04363.00 g.~ July 2, 2004 j~le ~ F:/04363! drawn by SLK checked b!t TJC ~a~ Thom~s]. Cesare reg. ~ 2703~ s~n~e ]uly 2, 200~ -{ I hereby certify tha~ this plan, specification, or report prepared by ~ or under my direct ~pe~n and t~t I am a duly ~ensed Engineer u~r the laws of t~ State of Min~sota, CO mark revisionlissue 5930 Brooklyn Boulevard Minneapolis, MN 55429-2518 Phone: (763) 843-0420 Fax: (763) 843-0421 E-Mail: bkbm@bkbm.com title sheet number STOR~ SEWER DRAINAGE AREAS C8