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T:\0742\1406\June11 CityApp\Surface Water\ <br />ER Landfill 06_2011-dead storage affect Type 1124-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 46 <br />Summary for Subcatchment 1A: 1A <br />Runoff = 6.60 cfs @ 11.98 hrs, Volume= 0.323 af, Depth= 3.39" <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 />49,776 77 Top of Landfill <br />49,776 100.00% Pervious Area <br />Tc Length Slope Velocity Capacity Description <br />(min) (feet) (ft/ft) (ft/sec) (cfs) <br />7.0 600 1.43 Direct Entry, <br />Subcatchment 1A: 1A <br /> Hydrograph <br /> <br /> <br />6 60 <br />CfS - <br /> <br />_ _ - ~ - - {:; <br /> <br />-Runoff <br />7 <br /> - - I - - ~ '~ _ - ~_ . _ ~ T~i~el_II 24-h r _1~00_~'yr_' <br />- - <br />- - <br />- <br />6 '~ ; <br />j <br />~ (Rainfall=~.9p" <br /> Runoff Aroma=49 776-~s# , <br />I <br />5 ' Run'~off~Vo'lume=0.323'~af <br />w <br />4 - _~,..- - -- --_~ ,- ; - ' --,Ru~no~F-Depth=3.39" _ <br />3 ~ ~; _ -_ ~ - Flow_L~ngth=600' _ <br />~ _ - ~_ <br />_ _' <br />o <br />,~ 3 <br />~ _ _ <br />_ _ _ _ <br />_ <br />ITc-7.0 main <br /> - _I_ -_ ~ ~ - -- --~ - ~ ---=-- ~ - ~_--~~--- ~ -Ch1=77 _ <br />2 <br />1 ~ ~ 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 />