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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: CYPRUS YAMPA VALLEY COAL <br />• Filename: D:\SEDCAD3\PONDM\PONDM User: TAMS ROGERS <br />Date: 02-26-1997 Time: 15:42:58 <br />POND M 10 AND 25 YEAR RUN <br />Storm: 2.20 inches, 25 year-24 hour, SCS Type II <br />Hydrograph Convolution Interval: 0.1 hr <br />POND INPUT/OUTPUT TABLE <br />............................................................................... <br />CAUTION: THE STAGE OF YOUR PRINCIPLE SPILLWAY MAY CAUSE BED SCOUR. <br />YOUR OBSERVED EFFLUENT MAY NOT MEET THE DESIRED EFFLUENT STANDARD. <br />INCREASE THE STAGE OF YOUR PRINCIPAL SPILLWAY. <br />J1, B1, S1 <br />POND M <br />Drainage Area from J1, B1, S1, SWS(s)1-3: 186.8 acres <br />Total Contributing Drainage Area: 186.8 acres <br />DISCHARGE OPTIONS: <br />Perf. Emergency <br />Riser Spillway <br />= <br />~ (in~====--- ---===== <br />==== <br />_________________________________ <br />er Diameter 18.0 <br />---- <br />Riser Height (ft) 8.35 ---- <br />Barrel Diameter (in) 18.0 ---- <br />Barrel Length (ft) 83.00 ---- <br />Barrel Slope (o) 2.00 ---- <br />Manning's n of Pipe 0.024 ---- <br />Spillway Elevat ion 6820.3 ---- <br />Lowest Elevation of Holes 6814.5 ---- <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 />~rgency Spillway Elevation ____ 6822.0 <br />st Length (ft) 85.0 <br />Z:1 (Left and Right) -- -- 4 3 <br />Bottom Width (ft) ---- 27.0 <br />APPROVED MAY z 1 1997 <br />