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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 WESTERN COAL COMPANY <br />• Filename: A: ~PONDOlOB Vser: TEL. <br />Date: 09-22-1995 Time: 15:58:29 <br />YOAST MINE: SEDIMENT POND 010 (25-year, 24-hour) <br />storm: 2.50 inches, 100 year-24 hour, SCS Type II <br />Bydrograph Convolution Interval: 0.2 hr <br />POND INPUT/OUTPUT TABLE <br />=======Q___________________ <br />J3, 81, S1 <br />YOAST POND 10 <br />Drainage Area from J3, B1, S1, SWS(s)1: 152.5 acres <br />Total Contributing Drainage Area: 948.5 acres <br />DISCHARGE OPTIONS: <br />Bmergency <br />Spillway <br />Riser Diameter (ia) ---- <br />Riser Haight (ft) ---- <br />Harrel Diameter (ia) ---- <br />Harrel Length (ft) ---- <br />rrel Slope (6) <br />ag's n of Pipe ---- <br />S lway Elevation ---- <br />Lowest Elevation of Boles ---- <br />A' of Holes/Elevation ---- <br />Entrance Loss Coefficient ---- <br />Tailwater Depth (ft) ---- <br />Notch Anqle (degrees) ---- <br />Weir Width (ft) ---- <br />Siphon Crest Elevation ---- <br />Siphon Tube Diameter (in) ---- <br />Siphon Tube Length (ft) ---- <br />Manning's n of Siphon ---- <br />Siphon Inlet Elevation ---- <br />Siphon Outlet 8levation ---- <br />Emergency Spillway Elevation 6783.5 <br />Crest Length (ft) 40.0 <br />Z:1 (Left and Right) 3.0 3.0 <br />Bottom Width (ft) 12.0 <br />POND RESULTS: <br />• Sediment Permanent Dead Sediment <br />Storage* Pool Space Algorithm <br />(ac-ft) (ac-ft) (8) <br />- - --- <br />2.32 ------------ <br />17.33 -------- <br />20.00 ----------- <br />DEPOSITS <br />