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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 54 <br />Summary for Subcatchment 8: 8 <br />Runoff = 13.62 cfs @ 11.98 hrs, Volume= 0.674 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 />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 />- ~ ^ Runoff <br />,. - -. <br />13.62 cfs <br />14 ; , <br />' ~ Type LI 2~-h'r -100 yr_ <br />12 - ~ '~ ~ Rainfall=5.90" <br />. ; <br />; <br />'_ <br />y 10 - _ _ ~ _ _ _ 'Runoff Volume90.674 of <br />w <br />_ -,I __ - -,-- ---- -- -~ <br />8 Runoff---;-- -- <br />~- -- - - - ~ ~ ,Depth 3.69" ', <br />; ~ ; <br />_ <br />6 flow Le #h 900- <br />Tc=7.0 mm <br />; r <br />4 ; ~ CN=80 <br />; ~ ~ ; <br />_ _ - -- <br />; <br />f:, ..~.~ ..0.. .. F.. .. S.. ..~. ...~~...~.. ,.~.. ~.f.. .. ~.. .. ~....~.. ~. ~.. ..~.. .. F. ., .~...~~.. ,~~....~ <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 />