Laserfiche WebLink
COVENANT MEADOWS A Type 11 24-hr 2 YEAR Rainfall=2.86" <br />Prepared by ROSHELL ENGINEERING Printed 5/3/2017 <br />HydroCAD® 10.00-15 s/n 01744 © 2015 HydroCAD Software Solutions LLC Page 6 <br />Summary for Subcatchment 5S: DIRECT <br />Runoff = 1.10 cfs @ 11.97 hrs, Volume= <br />0.059 af, Depth> 2.58" <br />Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 5.00-120.00 hrs, dt= 0.01 hrs <br />Type II 24-hr 2 YEAR Rainfall=2.86" <br />Area (sf) CN Description <br />12,000 98 Paved parking, HSG A <br />12,000 100.00% Impervious Area <br />Tc Length Slope Velocity Capacity Description <br />(min) (feet) (ft/ft) (ft/sec) (cfs) <br />6.3 400 0.0050 1.06 Shallow Concentrated Flow, DITCH GRASSED <br />Grassed Waterway Kv= 15.0 fps <br />0 <br />LL <br />1.10 cfs <br />Subcatchment 5S: DIRECT <br />Hydrograph <br />Type 11 24-hr <br />2 YEAR Rapnfall=2,86 <br />Runoff Area=12,000 sf <br />Runoff Volume=0.059 af <br />Runoff Depth>2.58" <br />Flow Length=400' <br />Slope=0.0050 'P <br />Tc=6.3 min <br />CN=98 <br />55 <br />10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 <br />Time (hours) <br />■ Runoff <br />You created this PDF from an application that is not licensed to print to novaPDF printer (http://www.novapdf.com) <br />