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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: Greystone Development Consultants <br />Filename: A:\DT\WF\CNTYRD User: CWB <br />Date: 08-04-1993 Time: 08:52:06 <br />DITCH ALONG COUNTY ROAD - AREA 1 <br />Storm: 1.40 inches, 2 year-24 hour, SCS Type II <br />Hydrograph Convolution Interval: 0..1 hr <br />NON-POND STRUCTURE INPUT/OUTPUT TABLE <br />J1, B1, S1 <br />S SIDE OF COUNTY RD <br />Drainage Area from J1, B1, S1, SWS(s)1: 3.0 acres <br />Total Contributing Drainage Area: 3.0 acres <br />MATERIAL: GRADED SILTS TO COBBLES COLLOIDAL <br />Trapezoidal Earthen Channel <br />Limiting Variable: Velocity = 4.000 fps <br />Clear Water <br /> Design Bottom Manning's <br /> Discharge Width ZLeft ZRight Slope n <br /> (cfs) (ft) (~) <br />• ---------- ----------------- ------------- - <br /> 0.61 1.8 3.5:1 5.0:1 6.0 0.030 <br /> Top Hydraulic Froude <br /> Depth Velocity Width Radius Number <br /> (ft) <br />-------- <br />-------- (fps) (ft) <br />----------------- <br />----------------- <br />------------- <br />------------- <br />--------- <br />--------- <br /> 0.11 2.44 2.7 0.090 1.43 <br />w/ Freeboard: 0.41 5.3 <br /> Runoff Peak <br /> Volume Discharge <br /> (ac-ft) (cfs) <br />IN/OUT 0.05 0.61 <br />**~*~~***~**~*+****~+*********************************r**********~************* <br />• <br />