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Civil Software Design -- SEDCAD+ Version 3.1 <br />Copyright (C) 1987-1992. Pamela J. Schwab. All rights reserved. <br />Company Name: GREYSTONE DEVELOPMENT CONSULTANTS <br />Filename: C:\SEDCAD3\NELK\DEVWST User: CWB <br />Date: 09-03-1997 Time: 07:51:25 <br />NEW ELK DEVELOPMENT WASTE PILE, D10, 100-YR DITCH, E SIDE, B SOILS <br />Storm: 4.20 inches, 100 year-24 hour, SCS Type II <br />Hydrograph Convolution Interval: 0.1 hr <br />NON-POND STRUCTURE INPUT/OUTPUT TABLE <br />----------------------------------------- <br />----------------------------------------- <br />J1, B1, 52 <br />D10:DITCH, E PILE SL <br />Drainage Area from J1, B1, 52, SWS(s)1-2: 0.2 acres <br />Total Contributing Drainage Area: 71.9 acres <br />MATERIAL: Rock Riprap <br />• <br />w/ Freeboard: <br />Triangular Riprap Channel <br />Steep Slope Design - Simons/OSM Method <br />Design Bottom Manning's <br />Discharge Width ZLeft ZRight Slope n <br />(cfs) (ft) (%) <br />40.46 <br />Depth Velocity <br />(ft) (fps) <br />3.0:1 3.0:1 4.6 0.043 <br />Top Hydraulic Froude <br />Width Radius Number <br />(ft) <br />0.82 20.03** 4.9 0.389 5.51 <br />1.12 6.7 <br />** Non-uniform flow - Velocity shown is V=Q/A and may not be applicable <br />----DMax---- ---- <br />(ft) (in) (ft) <br />-------------------- <br />-------------------- <br />2.19 26.25 1.75 <br />Runoff <br />Volume <br />(ac-ft) <br />D50---- ----D10---- <br />(in) (ft) (in) <br />---------------------- <br />---------------------- <br />21.00 0.58 7.00 <br />Peak <br />Discharge <br />(cfs) <br />IN/OUT 6.65 40.46 <br />******************************************************************************* <br /> <br />