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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\SEN2\OFFICEI User: TJW <br />Date: 12-01-1992 Time: 11:34:59 <br />OFFICE DITCH (l0yr-24hr Storm) <br />Storm: 1.60 inches, 10 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, S1 <br />UPPER REACH OF DITCH <br />Drainage Area from J1, B1, S1, SWS(s)1: 2.9 acres <br />Total Contributing Drainage Area: 2.9 acres <br />MATERIAL: GRASS MIXTURE <br />Triangular Vegetated Channel <br />Limiting Variable: Velocity = 5.000 fps <br />Design Bottom <br />Discharge Width ZLeft ZRight Slope <br />(cfs) (ft) (3) <br />---------------------------------------- <br />---------------------------------------- <br />1.53 3.0:1 3.0:1 3.3 <br /> Top Manning's Hydraulic Froude <br />Retardance Depth Velocity Width N Radius Number <br />Class <br />------------ <br />--- <br />- (ft) <br />-------- <br />- (fps) <br />----------- (ft) <br />-------- <br />---------- <br />------------- <br />------- <br />- <br />-- <br />--- <br />--- <br />Stability C - <br />------ <br />0.82 ----------- <br />0.74 -------- <br />4.9 ---------- <br />0.196 ------------- <br />0.390 ------ <br />0.20 <br />Capacity B 0.95 0.51 5.7 0.310 0.450 0.13 <br />w/ Freeboard + B 0.95 5.7 <br />Runoff Peak <br />Volume Discharge <br />(ac-ft) (cfs) <br />l I <br /> <br />IN/OUT 0.11 1.53 <br />*~************t*****************~~***~**~*****~~****~~~****~****~*****~*****~*~ <br />J1, B1, 52 <br />LOWER REACH OF DITCH <br />Drainage Area from J1, B1, S2, SWS(s)1: 0.1 acres <br />Total Contributing Drainage Area: 3.0 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 />-------------------------------------------- --- <br />1.59 10.0 3.0:1 3.0.1 10.0 0.030 <br /> <br />7-6-3-26 <br />