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T:\0742\1406\June11CityApp\Surface Water\ <br />ER Landfill 06_2011 Type !J 24-hr 25 yr Rainfall=4.70" <br />Prepared by Wenck Associates, Inc. Printed 8/2/2011 <br />HydroCAD® 9.10 s/n 02201 ©2010 HydroCAD Software Solutions LLC Page 41 <br />Summary for Pond SE-pipe: SE culvert <br />[57] Hint: Peaked at 1,049.86' (Flood elevation advised) <br />[62] Hint: Exceeded Reach DS2-L OUTLET depth by 25.44' @ 12.00 hrs <br />Inflow Area = 16.288 ac, 0.00% Impervious, Inflow Depth = 2.49" for 25 yr event <br />Inflow = 58.31 cfs @ 12.00 hrs, Volume= 3.384 of <br />Outflow = 58.31 cfs @ 12.00 hrs, Volume= 3.384 af, Atten= 0%, Lag= 0.0 min <br />Primary = 58.31 cfs @ 12.00 hrs, Volume= 3.384 of <br />Routing by Stor-Ind method, Time Span= 0.00-96.00 hrs, dt= 0.02 hrs <br />Peak Elev= 1,049.86' @ 12.00 hrs <br />Device Routing Invert Outlet Devices <br />#1 Primary 1,034.00' 24.0" Round Culvert <br />L= 100.0' Square-edged headwall, Ke= 0.500 <br />Inlet /Outlet Invert= 1,034.00' / 1,024.00' S= 0.1000'/' Cc= 0.900 <br />n= 0.011 Concrete pipe, straight & clean <br />Primary OutFlow Max=58.12 cfs @ 12.00 hrs HW=1,049.76' (Free Discharge) <br />L1=Culvert (Inlet Controls 58.12 cfs @ 18.50 fps) <br />Inflow <br />0 Primary <br />0 ~ ,,. ~ , ,,,~.,,,,. , „ , ,,., , ,, ,,. ,, , , . ., <br />0 5 1015 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 <br />Time (hours) <br />