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T:10742\1406\June11CityApp\Sur'face Water! <br />ER Landfill 06_2011-dead storage affect Type 1124-hr 25 yr Rainfall=4.70" <br />Prepared by Wenck Associates, Inc. Printed 8/15!2011 <br />HydroCAD® 9.10 s/n 02201 ©2010 HydroCAD Software Solutions LLC Page 15 <br />Summary for Subcatchment 8: 8 <br />Runoff = 9.84 cfs @ 11.98 hrs, Volume= 0.481 af, Depth= 2.63" <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 25 yr Rainfall=4.70" <br />Area (sfl CN Description <br />'~ 95,406 80 side of Landfill <br />95,406 100.00% Pervious Area <br />Tc Length Slope Velocity Capacity Description <br />(min) (feet) (ft/ft) (ft/sec) (cfs) <br />7.0 900 2.14 Direct Entry, <br />Subcatchment 8: 8 <br />Hydrograph <br />11 <br />~e Runoff <br />9.84 cfs <br />- - <br />._ <br />T _ e 11 24-hr_ <br />25yx- <br />~p <br />_ _ -_ _~_ ~_ _Rainfall.-4.7.0"_ <br />-- -__, _ _ Run_offA <br />8 <br />- ~, - ! '~ ~~ ~ ~, i~ea=95,406 sf_ <br />~~ - - - - <br />", 7 ~ - -' <br />_ _ _Runoff Volium;e=_0._481_ af_ <br />,~ -- - -- - <br />6 <br />;- -_R_urloff Depth=2.6~" <br />3 5 ~ ~ ~ ~; <br />o <br />- - - - - - - - ~ Flow Length_=_900 _ <br />- - - ._ -- - <br />~ 4 <br />- _ _ _ c-7.0 _min <br />T <br />3 ~ ~ -- - -- :- - <br />CN=80 , <br />2 ~ ,- -_ --- ---- ---- <br />0 - ~ .,:,. ~.,. .,....,. ~ .,... ~,.r..,.. ..~.. <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 />