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2012 Construction Revision Type 1124 -hr 100 -yr, 24 -hr Rainfall= 2.80" <br />Prepared by {enter your company name here} Printed 5/10/2012 <br />HydroCAD® 10.00 sin 00604 © 2011 HydroCAD Software Solutions LLC Page 9 <br />Runoff <br />Area (ac) CN Description <br />3.530 94 Fallow, bare soil, HSG D <br />3.530 100.00% Pervious Area <br />112 04 ct, <br />Summary for Subcatchment 1S: Area 1 <br />12.04 cfs @ 11.99 hrs, Volume= <br />0.635 af, Depth= 2.16" <br />Runoff by SCS TR -20 method, UH =SCS, Time Span= 0.00 -80.00 hrs, dt= 0.01 hrs <br />Type II 24 -hr 100 -yr, 24 -hr Rainfall= 2.80" <br />Tc Length Slope Velocity Capacity Description <br />(min) (feet) (ft/ft) (ft/sec) (cfs) <br />5.2 100 0.0300 0.32 Sheet Flow, Initial <br />Fallow n= 0.050 P2= 1.40" <br />2.4 250 0.0300 1.73 Shallow Concentrated Flow, Secondar <br />Nearly Bare & Untilled Kv= 10.0 fps <br />7.6 350 Total <br />Subcatchment 1S: Area 1 <br />Hydrograph <br />Type II 24 -hr <br />100 -yr <br />24 -hr Rainfall=2.80" <br />Runoff Area =3.530 ac <br />Runoff Volume =0.635 af <br />Runoff Depth=2.16" <br />Flow Length=350' <br />Slope= 0.0300 '/' <br />Tc =7.6 min <br />CN =94 <br />0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80 <br />Time (hours) <br />