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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: <br />Filename: C:\SEDCAD3\N <br />Date: <br />NEW ELK POST <br />Storm: 4.20 inches, 100 <br />Hydrograph <br />GREYSTONE DEVELOPMENT CONSULTANTS <br />ELK\C5POST User: CWB <br />10-14-1997 Time: 17:00:47 <br />MINING TOPOGRAPHY ABOVE C5: D5 <br />year-24 hour, SCS Type II <br />Convolution Interval: 0.1 hr <br />----------------------------------------- <br />------------------------------------------ <br />NON-POND STRUCTURE INPUT/OUTPUT TABLE <br />----------------------------------------- <br />----------------------------------------- <br />J1, B1, S2 <br />TRACK & RECLAIMED <br />Drainage Area from J1, B1, S2, SWS(s)1-4: 3.8 acres <br />Total Contributing Drainage Area: 81.2 acres <br />MATERIAL: Rock Riprap <br />Trapezoidal 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 /> 136.34 6.0 3.0:1 3.0:1 4.3 0.041 <br />• Top Hydraulic Froude <br /> Depth Velocity Width Radius Number <br /> (ft) <br />------- <br />----- <br />- ( fps) <br />---------- <br />---------- ( ft) <br />--------- <br />--------- <br />------------- <br />--- <br />-------- <br />-------- <br />-------- <br /> - <br />1.19 11.95** 13.1 -- <br />0.843 2.26 <br />w/ Freeboard: 1.49 14.9 <br />** Non-uniform flow - Velocity shown is V=Q/A and may not be applicable <br />----DMax---- ---- <br />(ft) (in) (ft) <br />-------------------- <br />-------------------- <br />1.56 18.75 1.25 <br />Runoff <br />volume <br />(ac-ft) <br />D50---- ----D10---- <br />(in) (ft) (in) <br />---------------------- <br />---------------------- <br />15.00 0.42 5.00 <br />Peak <br />Discharge <br />(cfs) <br />IN/OUT 11.26 136.34 <br />******************************************************************************* <br /> <br />