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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\SEN\WCDIV-P User: RJG <br />Date: 11-30-1993 Time: 10:38:46 <br />SENECA MINE PROPOSED WC FILL DOWNDRAIN (100YR-24HR) <br />Storm: 2.40 inches, 100 year-24 hour, SCS Type II <br />Hydrograph Convolution Interval: 0.1 hr <br />----------------------------------------- <br />----------------------------------------- <br />NON-POND STRUCTURE INPUT/OUTPUT TABLE <br />----------------------------------------- <br />----------------------------------------- <br />J2, B1, S1 <br />PROP. WC FILL DWNDRN <br />Drainage Area from J2, B1, S1, SWS(s)1: 60..5 acres <br />Total Contributing Drainage Area: 203.9 acres <br />MATERIAL: Rock Riprap <br />Trapezoidal Riprap Channel <br />Steep Slope Design - PADER Method <br />Design Bottom Manning's <br />Discharge Width ZLeft ZRight Slope n <br />(cfs) (ft) ($) <br />42.87 10.0 3.0:1 3.0:1 13.8 0.052 <br /> <br /> Top Hydraulic Froude <br />Depth Velocit y Width Radius Number <br />(ft) <br />------ <br />- <br />-- (fps) <br />--------- <br />- <br />-- (ft) <br />---------- <br />-- <br />- <br />------------- <br />- <br />- <br />--- <br />- <br />--------- <br />- <br />-- <br />--- <br />-- <br />- <br />0.56 -- <br />--- <br />- <br />6.55 - <br />--- <br />--- <br />13.4 --- <br />-- <br />-- <br />0.483 -- <br />- <br />1.65 <br />w/ Freeboard: 1.56 19.4 <br />----DMaX---- ----D50 ---- ----D10---- <br />(ft) <br />---- <br />---- (in) <br />--------- <br />--------- (ft) <br />---------- <br />---------- (in) (ft) <br />------------- <br />------------- (in) <br />------ <br />------ <br />0.63 7.50 0.50 6.00 0.17 2.00 <br /> Runoff Peak <br /> Volume Discharge <br /> <br />- (ac-f t) (cfs) <br /> -- <br />------ <br />IN/OUT ---------- <br />6.39 ---------- <br />42.87 <br /> <br /> <br />7-6-3-46 <br />