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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\CTYRD2 User: CWB <br /> Date: 08-04-1993 Time: 08 : 51: 47 <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 /> ----------------------------------------- <br /> ----------------------------------------- <br /> NON-POND STRUCTURE INPUT/OUTPUT TABLE <br /> ----------------------------------------- <br /> ----------------------------------------- <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) M <br /> ------------------------------------------------- <br /> ------------------------------------------------- <br /> 0. 61 6.8 5. 5: 1 5. 5: 1 4 . 0 0. 030 <br /> Top Hydraulic Froude <br /> Depth Velocity Width Radius Number <br /> (ft) (fps) (ft) <br /> 0. 06 1. 45 7 . 4 0. 056 1 . 08 <br /> w/ Freeboard: 0. 36 10. 7 <br /> Runoff Peak <br /> Volume Discharge <br /> (ac-ft) (cfs) <br /> ----------------------------- <br /> ----------------------------- <br /> IN/OUT 0. 05 0. 61 <br /> ******************************************************************************* <br />