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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: PEAHODY COAL COMPANY <br />• Filename: C:\SEDCAD3\NDECRA2 User: lmr <br />Date: 07-16-1997 Time: 12:28:36 <br />North Decline Roadway Drainage <br />Storm: 1.40 inches, l0 year-24 hour, SCS Type II <br />Hydrograph Convolution Interval: 0.1 hr <br />NON-POND STRUCTURE INPUT/OUTPUT TAHLE <br />J1, B1, S1 <br />W side AR-2 above P7 <br />Drainage Area from J1, B1, S1, SWS(s)1: 0.4 acres <br />Total Contributing Drainage Area: 0.4 acres <br />MATERIAL: ALLUVIAL SILTS COLLOIDAL <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) ($) <br />0.23 1.0:1 1.0:1 3.2 0,025 <br />• Top Hydraulic Froude <br />Depth Velocity Width Radius Number <br />(ft) (fps) (ft) <br />------- ------------------------ <br />0.30 2.41 0.6 0.108 1.09 <br />w/ Freeboard: 0.60 1.2 <br />Runoff Peak <br />Volume Discharge <br />(ac-f t) (cfs) <br />IN/OUT 0.02 0.23 <br />f***,t*,t***e,t***,r*~***t,e,t,t,r*:***,t,t**,t******,t,r******,t*,t**,t,t***,t******,t*********,t,t <br />Jl, B2, S1 <br />E side AR-2 above P7 <br />Drainage Area from J1, B2, S1, SWS(s)1: 4.4 acres <br />Total Contributing Drainage Area: 4.4 acres <br />MATERIAL: ALLUVIAL SILTS COLLOIDAL <br />Triangular Earthen Channel <br />Limiting Variable: Velocity = 5.000 fps <br />Sediment-laden Water <br />Design Bottom Manning's <br />• Discharge-Width -_-ZLeft--ZRight--Slope- --n - <br />(cfs) (ft) ($) <br />A13•-1-5 (R~v. 7/16/97) . <br />