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T:\0742\1406\June11 CityApp\Surface Waterl <br />ER Landfill 06_2011 Type 11 24-hr 25 yr Rainfall=4.70" <br />Prepared by Wenck Associates, Inc. Printed 8/2/2011 <br />HvdroCAD® 9.10 s/n 02201 ©2010 HydroCAD Software Solutions LLC Page 8 <br />Summary for Subcatchment 2: 2 <br />Runoff = 9.29 cfs @ 11.98 hrs, Volume= 0.454 af, Depth= 2.63" <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 25 yr Rainfall=4.70" <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) (ft/ft) (ft/sec) (cfs) <br />7.0 750 1.79 Direct Entry, <br />Subcatchment 2: 2 <br />Hydrograph <br />_-~_ ~ _ - ---~ ---, __,._ , __ Runoff <br />10 -9.29 cfs -~ <br />g ~ Type' 1124-hr 25 yr <br />_ -- <br />- - Rainfall=4.70"_ _ <br />8 <br />_-_ ~ _ ___ -- - -- -no - - a - - <br />7 - ~ ~ Ru , ff Are ,~9~,087~ s# <br />,~ 6 ' - Ran-off Voiuni;e-0.-454-af ~~ <br />~ , <br />-- - -- - , -- ,--R f e h=2- -- <br />o - -- '- ~ ~ ~~ow ~en~gth 754'- - <br />,- _; - --- _ ~ ~ - ~-7.0-man <br />3 ~ ~ ~ _ <br />2 _ <br />1 <br />~.. ..~.. .. ~.. .. ~.~ ..~....,, .. .a.. .. ~ .. ..... ..... ..... ..... ~, .. .. ~.. ..,.. .. y. .. .,, .., .. ..4.. .., <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 />