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Storm Sewer Design Computation Sheet It. o.~ IS" 0.6'2.5 \ '0" O..,-S "Z-I" o.e/5 "l-4" I ~," 1.\'Z-S :p" I. "L5 3&' I.S e/-t) L.. ~-' t....'.. ~ I- ro James R. Hill, Inc. PLANNERS I ENGINEERS I SURVEYORS 2500 West County Rood .12. Suite 120 Burnsvllle. MN 55044 612 I 8ro-604A fox 612 I 8r0-62AA -P>< 1X"J> - 6 2.-1" STORM SEWER DESIGN COMPUTATION SHEET Project: S----pe..r )0:) location: c.J.........,-J~ ':S~ Description: IO-jt yr Pipe Type: P\(c...,.... Manning's n: 0 I 0\:3 Sheet~of~ Job No.: 3:-1 0 :~.--"I '" 5.3 0. \ l..S ")0: .,. z.. 0 .Z.I ~/o 0..,4-- D, \~"/.. IV\ 0,\5 'J" \4 \, oJ;,"Je 2.,1."2- 0.\ 0 ~/" 6<.@ Yd/:5 t.^I}J ~~ f",.A\ \,\~e3 Q.=. " po.; C..J, Structure No. or Trlb. A C CxA k t I Qd Upstream Downstream length Slope Dia. Q-tull Ratio Vel.-fUII t- travel From To Area No. acres coef. CxA min. Intens. c.f.s. Rim Inv. Rim Inv. ft. ft./ft. In. c.f.s. dID. ft ./sec. min. Remarks 1 ZB '2.. --z- /. / '1 0.35 ()4-z. o ,4-z.. 5 ~,1- L,C::. 965.ft .~3.:X "I8B:z"J:. '1eZ.B) f31 o,~1. 12. "'l.B 1 2 "2- I - - - - . '2.~(.j ~-+O. ~c6 3.5 I~ee,u e:U3Z.g/ 186.lB "181.'13 M ).0% 12- 3,~ 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 1.1 1"":\ y OF CHANHASSE~, 14 15 RECE1\7ED 15 16 ,l\PR 1 S Z008 16 17 17 '-' 'MI , "vvel< 'LM',I<II'U U'-' , 18 18 19 19 20 20 21 21 22 22