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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 48 <br />Summary for Subcatchment 2: 2 <br />Runoff = 12.86 cfs @ 11.98 hrs, Volume= 0.636 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 (sfl CN Description <br />"` 90,087 80 side of Landfill <br />90,087 100.00% Pervious Area <br />Tc Length Slope Velocity Capacity Description <br />(min) (feet) (ftlft) (ftlsec) (cfs} <br />7.0 750 1.79 Direct Entry, <br />Subcatchment 2: 2 <br />Hydrograph <br />-, _ --:- Q Runoff <br />14 12.86 cfs ~ ~~ ~ ~ ~ ~_ <br />- - - _ ~ - _ ~~ - - - 1-0 - - T <br />Type -I~'I -2~-h r <br />~~ ~ ~~ ~~~ ~ ~~ ~~ Rainfall=5.90" <br />__ <br />_: <br />10 ~ -' ~ _ - Runoff A1~ea=90 087sf <br />~ ~ ~ <br />,~ J - -~ - '; - , - ~ - ~ - - ' - !,Runo'ff Voaum;e=0.86 a# <br />V 8 _ ! ~ Runoff Depth=~.6~" <br />0 6 ~, -, ~ Fl,ow , n h=7~0 <br />L ~_ ~ ~__~_ ~___~_ ' __ ~ -_Tc=7.0 mein . <br />4 - - -- . ~ I ~ CN=80 <br />.- - -- _ _ <br />------- - <br />2 <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 />