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Civil Software Design -- SEDCp.D+ Version 3.1 <br />Copyright (C) 1987-1992. Pamela J. Schwab. All rights reserved. <br />Company Name: PEABODY COAL COMPANY <br />~fc llename: C:\SEDCAD3\PHORN\C82-C10 User: RJG <br />"=,~ Date: 10-07 -1993 Time: 14:13:34 <br />CAMEO MINE COAL GULCH (lOYR-24HR} <br />Storm: 1.40 inches, 10 year-24 hour, SCS Type II <br />Hyclrograph Convolution Interval: 0.1 hr <br />NON-POND STRUCTURE INPUT/OUTPUT TABLE <br />J1, 81, S1 <br />COAL GULCH CHANNEL <br />Drainage Area from J1, B1, S1, SWS(s)1: 496.0 acres <br />Total Contributing Drainage Area; 496.0 acres <br /> MATERIAL: Rock Riprap <br /> Trapezoidal Riprap Channel <br />Steep Slope Design - PADER Method <br />Design Bottom Manning's <br />Discharge Width ZLeft ZRight Slope n <br />(cfs) (Et) (%) <br />93.77 20.0 2.0,:1 2.0:1 6.6 0.043 <br />4,_ <br />`- , Top Hydraulic Froude <br />Depth Velocity Width Radius Number <br />(ft) (fgsj (ft) <br />0.67 6.51 22.7 0.626 1.44 <br />J Freeboard: 1.67 26.7 <br />----DMax---- ----D50 ---- ----D10---- <br />(ft) (in) (ft) (in) {ft) (in) <br />0.63 7.50 0.50 6.00 0.17 2.00 <br />Runoff Peak <br />Volume Discharge <br />(ac-ft) (cfs) <br />IN/OUT 17.66 93.77 <br />:**x***,t*,t*********~t*********x****~t***************************x*********~**** <br />SEDCpD* CHANNEL DESIGN <br />CAMEO BORROM AREA N0.2 CORL GH LCH <br />S <br />D <br /> <br />` <br />E Rlprap - Steep Slope Design - PpDER Method <br />, <br />DischaY.ge <br />gottow (b) <br />Side slopes (Z) <br />Bed Slo e <br />Manning~s n <br />= 94.00 cfs <br />= 20.00 ft <br />= 2. 0:1(L) Z. O:i(R) <br />= 6.60 % <br />= 0.043 <br />D50% = 0.50 <br />D10 = 0.17 <br />Depth (d) <br />ro ridth (t) <br />3e ~oci ty <br />Nydeaulio Radi4a <br />Fro depnuNbea <br />ft ( 6.80 ;n) <br />Et C 2.08 ~n) <br />= 9.68 <br />= 22.70 <br />= 6.52 <br />= 0.63 <br />= 1.44 w <br />CD = <br />C7 = <br />Fps <br />ft Fi.eeLoard: <br />1.6g) ft <br />26.70) Ft <br />MISC - 7 New 2/ ~ /94 <br />