Orange County NC Website
HillsSECU <br />Prepared by Titan Atlantic <br />041 <br />Type 1124 -hr Rainfall=5.38" <br />Page 2 <br />Subcatchment M New Land Pre-Developed <br />Runoff = <br />4.38 cfs @ 12,14 hrs, Volume= 0,338 of <br />Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00 -24.00 hrs, dt—_ 0.01 hrs <br />Type 11 24-hr Rainfall=5,38" <br />Areas <br />CN. Descril tion <br />8,725 <br />98 impervious <br />- ewt!1121:2 <br />60,267 <br />77 Weighted Average <br />Tc Length <br />(rTfin) (feet) <br />19.5 200 <br />Slope Velocity Capacity <br />ft/ft (ft/sec) (cfs) <br />0.0315 02 <br />Description <br />Sheet Flow, <br />Grass: Dense n= 0,240 P2= 3.60" <br />0.8 150 <br />0.2 50 <br />0.0413 33 <br />0.0550 4.8 <br />Shallow Concentrated Flow, <br />Unpaved Kv= 16.1 fps <br />Shallow Concentrated Flow, <br />Paved Kv= 20.3 fps <br />0.8 go <br />00678 1.8 <br />Shallow Concentrated Flow, <br />Short Grass Pasture Kv= 7.0 fps <br />21.3 490 Total <br />Subcatchment IS: New Land Pre-Developed <br />Hydrograph Plot <br />4.38 cis <br />4- <br />3 <br />2 --- <br />0 0 <br />2 3 4 5 6 7 8 9 10 11 712 13 14 15 IT 17 18 19 20 21 22 <br />Time (hours) <br />F_ Runoff <br />23 24 <br />