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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\RSNP4OPH User: lmr <br />Date: 04-10-1996 Time: 13:59:11 <br />RSN Operational Drainage to Pond 4 <br />Storm: 1.40 inches, 10 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 />J1, B1, S1 <br />East Collection Ditc <br />Drainage Area from J1, B1, S1, SWS(s)1-2: 2.2 acres <br />Total Contributing Drainage Area: 2.2 acres <br />MATERIAL: ORDINARY FIRM LOAM <br />Triangular Earthen Channel <br />Limiting Variable: Velocity = 3.500 fps <br />Sediment-laden Water <br /> Design Bottom Manning's <br /> Discharge Width ZLeft ZRight Slope n <br /> (cfs) (ft) (%) <br /> <br /> <br />• 1.46 1 0:1 1 0:1 1.0 0.020 <br /> Top Hydraulic Froude <br /> Depth Velocity Width Radius Number <br /> (ft) <br />-------- (fps) (ft) <br />----------------- <br />-------------- <br />-------- <br /> -------- <br />0.70 ----------------- <br />2.95 1.4 -------------- <br />0.249 -------- <br />0.88 <br />w/ Freeboard: 1.00 2.0 <br /> Runoff Peak <br /> Volume Discharge <br /> (ac-ft) <br />-------------- (cfs) <br />- <br />- <br />--- <br /> ----- <br />------------------- <br />IN/OUT 0.12 -- <br />-- <br />- <br />---------- <br />1.46 <br />:tt,t*+*~****+*~+*~,tt*++:t~++t*+,t#*++*,t*+*+,t* +:t**~t*,t*+*t+++*+,t~*:r*,t*~*++,r ,t,r~~,t,trr <br />Jl, Bl, S2 <br />East Collection Ditc <br />Drainage Area from J1, <br />Total Contributin <br />Entrance <br />Loss Maximum <br />Coefficient Headwater <br />0.70 2.5 <br />B1, 52, SWS(s)1: 0.0 acres <br />g Drainage Area: 2.2 acres <br />Pipe Pipe Manning's <br />Length Slope n Tailwater <br />(ft) (%) (ft) <br />------------------------------------- <br />40.0 1.0 0.015 0.0 <br />Minimum Pipe Diameter Required: 8.0 inches <br />(See Culvert Utility Program for full performance curves) <br />RSN - 17 (New 3/1/96) <br />