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T:\0742\1406\June11 CityApp\Surface Water\ <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 52 <br />Summary for Subcatchment 6: 4 <br />Runoff = 16.91 cfs @ 11.98 hrs, Volume= 0.836 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 />118 421 80 side of Landfill <br />118,421 100.00% Pervious Area <br />Tc Length Slope Velocity Capacity Description <br />(min) (feet) (ft/ft) (ft/sec) (cfs) <br />7.0 Direct Entry, <br />Subcatchment 6: 4 <br />Hydrograph <br />- ---- -- <br />Runoff <br />16.91 cfs ~ ~ _ ~ - <br />18 I <br />_ ~ -- - ~/r <br />16 -~ - _ ~- ~ _ - Type- I,1-3~ 1~ r'I-00 <br />~' , <br />~_ <br />- -- <br />~~~ <br />14 ~ ~ ~' ~ Runoff <br />~~ ~ ~ Area_=='~ ~~ 421.. s-f_- <br />H 12 ~ ; Rlu~Off Wolume=0.86 of <br />,, <br />-;-- -, ----- - -- - -- , p --, <br />r 10 ~ '~, ~ t~unoff De th-3.69" <br />__ __ _ _ <br />o g ~, ~ _ ~ - ' Tc=7.0 min <br />ur 0 <br />~- - -- _ - - --- -- ---~-CN=8 <br />6 I <br />4 " '~ <br />- ,_ -- 1. ---- - i - I --I - -; _ ~_ _ <br />I; <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 />