Laserfiche WebLink
w/o Freeboard w/ Freeboard <br />Froude Number: 3.36 <br />Structure #11 (Null) <br /> Null at inlet on Culvert 45 <br />Structure #10 (Culvert) <br /> Culvert 45 <br /> Culvert Inputs: <br />Length (ft) Slope (%) Manning's n <br />Max. <br />Headwater <br />(ft) <br />Tailwater <br />(ft) <br />Entrance <br />Loss Coef. <br />(Ke) <br />375.00 2.00 0.0150 3.00 0.00 0.90 <br /> Culvert Results: <br />Design Discharge = 21.84 cfs <br />Minimum pipe diameter: 1 - 30 inch pipe(s) required <br />Structure #9 (Null) <br /> Null at outlet on Culvert 45 <br />Structure #8 (Erodible Channel) <br /> Crusher Pad Ditch <br /> Trapezoidal Erodible Channel Inputs: <br />Material: Shales and hardpans <br />Bottom <br />Width (ft) <br />Left <br />Sideslope <br />Ratio <br />Right <br />Sideslope <br />Ratio <br />Slope (%) Manning's n <br />Freeboard <br />Depth (ft) <br />Freeboard <br />% of Depth <br />Freeboard <br />Mult. x <br />(VxD) <br />Limiting <br />Velocity <br />(fps) <br />2.00 1.0:1 1.0:1 3.0 0.0250 1.00 6.0 <br /> Erodible Channel Results: <br />w/o Freeboard w/ Freeboard <br />Design Discharge: 28.51 cfs <br />Depth: 1.14 ft 2.14 ft <br />Top Width: 4.27 ft 6.27 ft <br />Velocity: 8.01 fps <br />X-Section Area: 3.56 sq ft <br />Hydraulic Radius: 0.683 ft <br />Froude Number: 1.55 <br />Structure #7 (Riprap Channel) <br />Filename: Exhibit 7 Item 23 Part M 100-Yr 24-Hr Coal Pond.sc4 Printed 03-16-2022 <br />SEDCAD 4 for Windows <br />Copyright 1998 -2010 Pamela J. Schwab <br />Civil Software Design, LLC 7