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 7 <br />Runoff <br />Summary for Subcatchment NE: PROPOSED <br />= 0.02 cfs @ 13.03 hrs, Volume= <br />0.017 af, Depth= 0.08" <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 (ac) CN <br />2.400 51 <br />1.920 <br />0.480 <br />Tc Length <br />(min) (feet) <br />12.6 200 <br />0 <br />LL <br />Description <br />1 acre lots, 20% imp, HSG A <br />80.00% Pervious Area <br />20.00% Impervious Area <br />Slope <br />(ft/ft) <br />0.0500 <br />0.026 _ 10.02 cfs <br />0.024� <br />0.0227 <br />0.027 <br />0.018. <br />0.0127- <br />0.01. <br />0.008.- <br />0.0067 <br />0.004= <br />0.0027- <br />Velocity <br />(ft/sec) <br />0.26 <br />i <br />Capacity Description <br />(cfs) <br />Sheet Flow, Sheet Flow <br />Grass: Short n= 0.150 P2= 2.80" <br />Subcatchment NE: PROPOSED <br />Hydrograph <br />2 <br />Type II 24-hr <br />YEAR Rainfall=2,86 <br />55 <br />Runoff Area=2.400 ac <br />Runoff V-olurrie=0.017 of <br />Runoff Depth=0.08 <br />Flow Length=200' <br />Slope=0.c500 <br />Tc= <br />12.6 min <br />CN=51 <br />5 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 />