14-020_TentPUD_Completeness_2017-0807_PostDev Type IA 24-hr 10 yr Rainfall=4.46" <br />Prepared by Microsoft Printed 8/11/2017 <br />HydroCADO 10.00-16 s/n 09344 © 2015 HydroCAD Software Solutions LLC Page 9 <br />Tc Length <br />Slope <br />Velocity <br />Capacity Description <br />(min) (feet) <br />(ft/ft) <br />(ft/sec) <br />(cfs) <br />6.5 160 <br />0.1500 <br />0.41 <br />Sheet Flow, <br />Grass: Short n=0.150 P2=3.12" <br />1.2 400 <br />0.0800 <br />5.74 <br />Shallow Concentrated Flow, <br />Paved Kv= 20.3 fps <br />7.7 <br />Runoff = <br />560 Total <br />Summary for Subcatchment P53: SW Public Roadway (Pub) <br />0.04 cfs @ 7.88 hrs, Volume= 0.013 af, Depth= 4.22" <br />Runoff by SBUH method, Split Pervious/Imperv., Time Span= 0.00-36.00 hrs, dt= 0.01 hrs <br />Type IA 24-hr 10 yr Rainfall=4.46" <br />Area (sf) CN Description <br />1,640 98 Pavement <br />1,640 100.00% Impervious Area <br />Tc Length Slope Velocity Capacity Description <br />(min) (feet) (ft/ft) (ft/sec) (cfs) <br />5.0 Direct Entry, <br />Summary for Reach D1: Existing Ditch <br />Inflow Area = 1.109 ac, 28.89% Impervious, Inflow Depth = 2.91" for 10 yr event <br />Inflow = 0.19 cfs @ 11.06 hrs, Volume= 0.269 of <br />Outflow = 0.19 cfs @ 11.07 hrs, Volume= 0.269 af, Atten= 0%, Lag= 0.9 min <br />Routing by Dyn-Stor-Ind method, Time Span= 0.00-36.00 hrs, dt= 0.01 hrs <br />Max. Velocity= 0.64 fps, Min. Travel Time= 1.3 min <br />Avg. Velocity = 0.42 fps, Avg. Travel Time= 2.0 min <br />Peak Storage= 15 cf @ 11.07 hrs <br />Average Depth at Peak Storage= 0.21' <br />Bank-Full Depth= 0.50' Flow Area= 1.0 sf, Capacity= 1.01 cfs <br />1.00' x 0.50' deep channel, n= 0.150 Sheet flow over Short Grass <br />Side Slope Z-value= 2.07' Top Width= 3.00' <br />Length= 50.0' Slope= 0.0500'/' <br />Inlet Invert= 886.20', Outlet Invert= 883.70' <br />