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T:\0742\1406\June11 CityApp\Surface Water\ <br />ER Landfill 06_2011-dead storage affect Type 11 24-hr 900 yr Rainfall=5.90" <br />Prepared by Wenck Associates, Inc. Printed 8/15/2011 <br />HydroCAD® 9.10 s/n 02201 ©2010 HydroCAD Software Solutions LLC Page 62 <br />Summary for Subcatchment EX-26S: Existing wetland west of RR trail <br />Runoff = 12.44 cfs @ 12.27 hrs, Volume= 1.343 af, Depth= 1.62" <br />Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-96.00 hrs, dt= 0.02 hrs <br />Type II 24-hr 100 yr Rainfall=5.90" <br />Area lac) CN Description <br />4.000 78 Meadow, non-grazed, HSG D <br />5.930 43 Woods/grass comb., Fair, HSG A <br />9.930 57 Weighted Average <br />9.930 100.00% Pervious Area <br />Tc Length Slope Velocity Capacity Description <br />(min) (feet) (ft/ft) (ft/sec) (cfs) <br />30.0 Direct Entry, - <br />Subcatchment EX-26S: Existing wetland west of RR trail <br />Hydrograph <br />12.44 cfs ~ ~~ ~ ~ ~ ~ '~ ~, Runoff <br />. ~ ~~ <br />_ _. <br />12 ~ ~ ~ hype 1l 2~-hlr 10~ yr <br />~~ <br />Rainfall=5.90 <br />10 ~ ~ ~ ~ '~ Runoff Ares=9.930 ac '~~ <br />-- , ,, - ~ - ~I . '' _ ~ ~, Rte n~ff ~'/oi u~rile=~I .-343 of '' <br />,~ 8 <br />v Runoff Depth=~ .62" <br />3 -- - -- - ----- <br />o g ~ ~ ' Tc=30.0 m,in <br />LL <br />I ~ _ <br />- - _ -,-- . _ .,_ _ -, ~ _ -, - ~-CAI_-57_.. <br />4 I <br />i <br />2 ~ , <br />i ~ i i ~~ i i <br />0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 <br />Time (hours) <br />