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Civil Software Design -- SEDCAD+ Version 3.1 <br />Copyright (C) 1987 -1992. Pamela J. Schwab. All rights reserved. <br />�1 <br />Company Name: Peabody Coal Company <br />Filename: C: \SEDCAD3 \SEN2 \MIDDTCH User: TJW <br />Date: 11 -18 -1992 Time: 14:14:31 <br />DITCH BETWEEN BONE YARDS (10yr -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 />J2, B1, S1 <br />DITCH BETWEEN YARDS <br />Drainage Area from J2, B1, S1, SWS(s)1: 2.8 acres <br />Total Contributing Drainage Area: 936.3 acres <br />MATERIAL: TALL FESCUE <br />Trapezoidal Vegetated Channel <br />Limiting Variable: Velocity = 7.000 fps <br />L <br />W/ <br />Design Bottom <br />Discharge Width ZLeft ZRight Slope <br />(cfs) (ft) ( o) <br />2.26 3.0 2.0:1 2.0:1 4.0 <br />Runoff <br />Peak <br />Volume <br />Top <br />Manning's <br />Hydraulic <br />Froude <br />Retardance <br />Depth <br />Velocity <br />Width <br />N <br />Radius <br />Number <br />Class <br />(ft) <br />(fps) <br />(ft) <br />Stability B <br />0.75 <br />0.66 <br />6.0 <br />0.299 <br />0.534 <br />0.15 <br />Capacity B <br />0.75 <br />0.66 <br />6.0 <br />0.299 <br />0.534 <br />0.15 <br />Freeboard + B <br />0.75 <br />6.0 <br />Runoff <br />Peak <br />Volume <br />Discharge <br />(ac -ft) <br />(cfs) <br />IN /OUT 1.10 <br />2.26 <br />r <br />7- 6 -3 -20 <br />