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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\HGL\D2E User: TJW <br />Date: 12-13-1993 Time: 12:35:49 <br />DITCH 2 - HAYDEN GULCH TERMINAL INC. <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 2 <br />Drainage Area from J1, B1, S1, SWS(s)1: 4.3 acres <br />Total Contributing Drainage Area: 4.3 acres <br />MATERIAL: GRADED SILTS TO COBBLES COLLOIDAL <br />Triangular Earthen Channel <br />Limiting Variable: Velocity = 5.500 fps <br />Sediment-laden Water <br />Design Bottom Manning's <br />Discharge Width ZLeft ZRight Slope n <br />(cfs) (ft) ($) <br />• <br />2.27 <br />3.0:1 3.0:1 2.1 0.030 <br />Top Hydraulic Froude <br />Depth Velocity Width Radius Number <br />(ft) (fps) (ft) <br />----------------------------------------------- <br />----------------------------------------------- <br />0.52 2.83 3.1 0.245 0.98 <br />w/ Freeboard: 0.82 4.9 <br />Runoff Peak <br />Volume Discharge <br />(ac-ft) (cfs) <br />----------------------------- <br />----------------------------- <br />IN/OUT 0.17 2.27 <br />• <br />ZR-~~ <br />