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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: PEABODY COAL COMPANY <br />Filename: C:\SEDCAD3\RSSP8OPH User: linr <br />Date: 04-10-1996 Time: 14:35:25 <br />RSS Operational Drainage to Pond 8 <br />Storm: 1.40 inches, 10 year-24 hour, SCS Type II <br />Hydrograph Convolution Interval: 0.1 hr <br />f Y _ __ _ _ _ _ __ Q__ _ <br />NON-POND STRUCTURE INPUT/OUTPUT TABLE <br />J1, B1, S1 <br />Access Rd & Hill <br />Drainage Area from J1, B1, S1, SWS(s)1-2: 22.4 acres <br />Total Contributing Drainage Area: 22.4 acres <br />MATERIAL: SHALES AND HARDPANS <br />Triangular Earthen Channel <br />• Limiting Variable: Velocity = 6.000 fps <br />Sediment-laden Water <br />Design Bottom Manning's <br />Discharge Width ZLeft ZRight Slope n <br />(cfs) (ft) (%) <br />------------------------------------------------- <br />------------------------------------------------- <br />1.17 2.0:1 2.0:1 7.0 0.025 <br />Top Hydraulic Froude <br />Depth Velocity Width Radius Number <br />(ft) (fps) (ft) <br />----------------------------------------------- <br />----------------------------------------------- <br />0.36 4.63 1.4 0.159 1.93 <br />w/ Freeboard: 0.66 2.6 <br />Runoff Peak <br />Volume Discharge <br />(ac-ft) (cfs) <br />----------------------------- <br />----------------------------- <br />IN/OUT 0.13 1.17 <br />t+:r**,r,r+~~*,r:>„~~,:xx*;.x;.x:x=xxx,.xxxx.x.,.s,a*+,r*~,rx~xr;,,:~.........,....;.xx+r.~.:,:x+,r <br />Jl, B1, S2 <br />• Lower Parking Gate D <br />Drainage Area <br />Total Co <br />Trapezoidal <br />Design Bottom <br />Discharge width <br />(cfs) (ft) <br />----5-25------z-~ <br />B1, 52, SWS(s)1-2: <br />drainage Area: <br />0:1 0.0:1 <br />1 <br />Manning's <br />pe n <br />0 015 <br />ew 3/1/96) <br />RSS - 11 <br />4.7 acres <br />.1 acres <br />