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T:\0742\1406\June11 CityApp\Surface Water\ <br />ER Landfill 06_2011-dead storage affect Type 1124-hr 25 yr Rainfall=4.70" <br />Prepared by Wenck Associates, Inc. Printed 8/15/2011 <br />HydroCAD® 9.10 s/n 02201 ©2010 HydroCAD Software Solutions LLC Page 43 <br />Summary for Pond SW-pipe: SW culvert <br />[57j Hint: Peaked at 1,032.90' (Flood elevation advised) <br />[62] Hint: Exceeded Reach DS1-L OUTLET depth by 2.36' @ 12.00 hrs <br />Inflow Area = 21.181 ac, 0.00% Impervious, Inflow Depth = 2.51" for 25 yr event <br />Inflow = 79.97 cfs @ 12.00 hrs,. Volume= 4.428 of <br />Outflow = 79.97 cfs @ 12.00 hrs, Volume= 4.428 af, Atten= 0%, Lag= 0.0 min <br />Primary = 79.97 cfs @ 12.00 hrs, Volume= 4.428 of <br />Routing by Stor-Ind method, Time Span= 0.00-96.00 hrs, dt=.0.02 hrs <br />Peak Elev= 1,032.90' @ 12.00 hrs <br />Device_ Routing Invert Outlet Devices <br />#1 Primary 996.00' 24.0" Round Culvert <br />L= 90.0' RCP, mitered to conform to fill, Ke= 0.700 <br />Inlet /Outlet Invert= 996.00' / 994.00' S= 0.0222 '/' Cc= 0.900 <br />n= 0.011 Concrete pipe, straight & clean <br />Primary OutFlow Max=79.85 cfs @ 12.00 hrs HW=1,032.79' (Free Discharge) <br />L1=Culvert (Inlet Controls 79.85 cfs @ 25.42 fps) <br />Inflow <br />[] Primary <br />0 5 1015 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 <br />Time (hours) <br />