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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 \SEN2W \PP -D1 User: RJG <br />Date: 11 -04 -1993 Time: 11:15:45 <br />SENECA II -W TSPILE PP DITCH PP -D1 <br />Storm: 1.60 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 />DITCH PP -D1 <br />Drainage Area from J1, B1, S1, SWS(s)l: 1.3 acres <br />Total Contributing Drainage Area: 1.3 acres <br />MATERIAL: GRADED LOAM TO COBBLES NONCOLLOIDAL <br />Triangular Earthen Channel <br />Limiting Variable: Velocity = 5.000 fps <br />Sediment -laden Water <br />Design Bottom Manning's <br />Discharge Width ZLeft ZRight Slope n <br />(cfs) (ft) M <br />------------------------------------------------- <br />------------------------------------------------- <br />0.10 1.0:1 1.0:1 21.0 0.030 <br />u <br />Top Hydraulic Froude <br />Depth Velocity Width Radius Number <br />(ft) (fps) (ft) <br />----------------------------------------------- <br />----------------------------------------------- <br />0.16 3.42 0.3 0.058 2.10 <br />w/ Freeboard: 0.46 0.9 <br />Runoff Peak <br />Volume Discharge <br />(ac -ft) (cfs) <br />----------------------------- <br />----------------------------- <br />IN /OUT 0.01 0.10 <br />• <br />