Laserfiche WebLink
<br />DITCH DESIGN PARAMETERS <br />FOR <br />SMALL AREA EXEMPTION <br />AT <br />TOPSOIL PILE "K" <br />WATERSHED DATA FOR SMALL AREA EXEMPTION (AREA 3) <br />Curve number ..............95.00 <br />Area ......................0.50 Acres <br />Hydraulic length..........350.00 Feet <br />Elevation change..........7.0 Feet <br />Concentration time........0.07 Hours <br />Concentration time type... SCS Upland Curves <br />Unit hydrograph type......Disturbed <br />STORM DATA <br />Total precipitation.......2.0 Inches (10 year-24 hour) <br />Storm type ................SCS Type 2 Storm, 24hour storm <br />Peak Discharge............0.65 CFS <br />Discharge volume..........0.06 Acre Ft <br />TRIANGLE DITCH DESIGN <br />Program ...................Storm, Version 6.21 <br />Solving for ...............CFS & FPS <br />Configuration .............Triangle <br />Flow Depth (Ft)...........1.00 <br />First Side slope..........1.00 <br />Second Side S1ope.........2.00 <br />Slope of Diversion........0.02 <br />Manning's N ...............0.035 <br />CFS ........ ...... .. ..4.99 <br />Cross Section Area•(SQFT).1.50 <br />Hydraulic Radius..........0.41 <br />FPS .......................3.33 <br />Frounde Number............0.91 <br />TRAPEZZOD DITCH DESIGN <br />Program ...................Storm, Version 6.21 <br />Solving for ...............CFS & FPS <br />Configuration .............Trapeziod <br />Flow Depth (ft)...........1.00 <br />Bottom width (Ft).........2.50 <br />First Side slope..........1.00 <br />Second Side S1ope.........1.00 <br />Slope of Diversion........0.02 <br />Manning's N ...............0.035 <br />CFS .......................15.92 <br />Cross Section Area (SQFT).3.50 <br />Hydraulic Radius....... .0.66 <br />FPS .......................4.55 <br />Frounde Number............0.91 <br />2.05.3 (3)-21 <br />