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T:\0742\1406\June11 CityApp\Surface Waterl <br />ER Landfill 06_2011-dead storage affect Type 11 24-hr 100 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 49 <br />Summary for Subcatchment 3: 3 <br />Runoff = 16.73 cfs @ 11.98 hrs, Volume= 0.827 af, Depth= 3.69" <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 (sf} CN Description <br />117,164 80 side of Landfill <br />117,164 100.00% Pervious Area <br />Tc Length Slope Velocity Capacity Description <br />(min) (feet) (ft/ft) (ft/sec) (cfs) <br />7.0 750 1.79 Direct Entry, <br />Subcatchment 3: 3 <br />Hydrograph <br />._ ~- <br />1.6.7.3 cfs - _ ~ ~I _ _ -_ ~ Runoff <br />18 <br />_ .- _ _ Type11-2~-hr'I00-fir <br />16 ~ ~ ~ ~ r <br />., <br />0.. <br />14 ~ ~ Rainfai~=5.~ <br />- ~ - - - ~ ~ Ru_nof#_Ar-ea_=''1 a~,164s# <br />y 12 <br />Runoff Volume=0.8,7 of <br />10 ~'~ ~ ~ ~ ~ ~~ ~ ~ Runoff Depth=~.6~" <br />o g ~ ~ Flow Length=750' <br />- ~ ~ Tc=7.D min <br />6 <br />4 - - - ~- -- ~- - , ~ - - . - -~N~80~ <br />2 <br />0 .. , , ,,., ., .., ., <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 />