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Civil Software Design -- SEDCAD+ Version 3.0 <br />Copyright (C) 1987-1990. Pamela J. Schwab. All rights reserved. <br />Company Name: Peabody Coal Company <br />• Filename: C:\SEDCAD3\008\008-10A User: RJG <br />Date: 08-20-1991 Time: 08:52:44 <br />SENECA MINE POND 008 SPILLWAY REVISION (lOYR.-24HR.STORM) <br />Storm: 1.60 inches, 10 year-24 hour, SCS Type II <br />Hydrograph Convolution Interval: 0.2 hr <br />--------------------------- <br />--------------------------- <br />POND INPUT/OUTPUT TABLE <br />--------------------------- <br />--------------------------- <br />J1, B1, S2 <br />POND 008 <br />Drainage Area from J1, B1, S2, SWS(s)1-2: 227.4 acres <br />Total Contributing Drainage Area: 3$0.9 acres <br />DISCHARGE OPTIONS: <br />Perf. Emergency <br />Riser Spillway <br />Riser Diameter (inl 24.0 ---- <br />Riser Height (ft) 13.00 ---- <br />Barrel Diameter (in) 24.0 ---- <br />Barrel Length (ft) 120.00 ---- <br />Barrel Slope <br />~anning's n of (%) <br />Pipe 2.70 ---- <br />0.024 <br />_ <br /> <br />pillway Elevat <br />ion _ <br />__ <br />7015.0 <br />Lowest Elevation 'of Holes 7011.5 ---- <br /># of Holes/Elevation 1 ---- <br />Entrance Loss Coefficient ---- ---- <br />Tailwater Depth (ft) ---- ---- <br />Notch Angle (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 Elevation ---- ---- <br />Emergency Spillway Elevation ---- 7016.0 <br />Crest Length (ft) ---- 30.0 <br />Z:1 (Left and Right) -- -- 3 3 <br />Bottom Width (ft) ---- 20.0 <br />POND RESULTS: <br />• Sediment Permanent Dead Sediment <br /> Storage° Pool Space Algorithm <br /> (ac-ft) <br />---------- (ac-ft) <br />------------ (%) <br />------------------- <br /> ---------- <br />0.0 ------------ <br />7.3 ------------------- <br />20.00 DEPOSITS <br />Sediment Capacity based on NO INPUT <br />