Orange County NC Website
Hi11sSECU Type 1124-hr Rainfaf! <br />~ Prepared by Titan Atlantic Page 2 <br />HydroCAD®6 00 s/n 002026 ©1986-2001 Applied Microcomputer Systems 3/17/2003 <br />Subcatchment 1S: New Land Pre-Developed <br />Runoff = 1.53 cfs @ 12.15 hrs, Volume= 0.123 of <br />Runoff by SCS TR-20 method, UH=SCS, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs <br />Type II 24-hr Rainfall=3.00" - <br />Area (sf) CN Description <br />- 8,7025 <br />4~ <br />m1 98 i,~mpervious <br />~~~~W <br />~ <br />~ <br />, d <br />-- <br />60,267 -~°~ <br />- <br />77 Weighted Average - <br />' <br />Tc Length Slope Velocity Capacity Description <br />(min) (feet) (ft/ft) (ftlsec) (cfs) <br />_ <br />19.5 200 0.0315 0.2 Sheet FI ow, <br /> Grass: Dense n= 0.240 P2= 3.60" <br />0.8 150 0.0413 3.3 Shallow Concentrated Flow, - <br /> Unpaved Kv= 16.1 fps . <br />0.2 50 0.0550 4.8 Shallow Concentrated Flow, <br />- Paved Kv= 20.3 fps <br />- 0.8 90 0.0678 1.8 Shallow Concentrated Ftow, <br /> Short Grass Pasture Kv= 7.0 fps <br />21.3 490 Total <br />• Subcatchment 1 S: New Land Pre-Developed <br />Hydrograph Ptot <br />x:63 c~.. <br />1 ..: _...... .. ._ .. <br />,:^. - <br />v <br />c <br />0 <br />0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1~5 16 17 18 19 20 21 22 23 24 <br />Time (hours) <br /> <br />- Runoff <br />