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Civil Software Design -- SEDCAD+ Version 3.1 Copyright (C) 1987-1992. Pamela J. Schwab. All rights reserved. • Company Name: ACZ, INC. Filename: J:\882\SEDCAD\POND06B3 User: DGG Date: 02-26-1998 Time: 11:42:42 SENECA II WEST MINE :PRESETTLING BASIN (PHASE IV)25 YR Storm: 2.10 inches, 25 year-24 hour, SCS Type II Hydrograph Convolution Interval: 0.1 hr ------------------------------------------ ----------------------------------------- ELEVATION-AREA-CAPACITY-DISCHARGE TABLE ------------------------------------------- ------------------------------------------- J1, B1, S2 PRESETTLING BASIN Drainage Area from J1, B1, 52, SWS(s)1-4: 131.0 acres Total Contributing Drainage Area: 564,2 acres SW#1: Emergency Spillway Elev Stage Area Capacity Discharge ---- (ft) ------- (ac) ------- (ac-ft) ------ (cfs) --------------- ---- -- - --- -- -- 7090.00 0.00 0.06 ----- 0.00 ---- ---- ---- -- 0.00 7091.00 1.00 0.09 0.07 0.00 7092.00 2.00 0.11 0.17 0.00 7093.00 3.00 0.15 0.30 0.00 4.00 4.00 0.19 0.47 0.00 5.00 5.00 0.23 0.68 0.00 7096.00 6.00 0.27 0.93 0.00 7097.00 7.00 0.31 1.22 0.00 7098.00 8.00 0.35 1.55 0.00 7099.00 9.00 0.40 1.92 0.00 7100.00 10.00 0.45 2.35 0.00 7101.00 11.00 0.50 2.82 0.00 7102.00 12.00 0.55 3.35 0.00 7103.00 13.00 0.60 3.93 0.00 7104.00 14.00 0.66 4.56 0.00 7105.00 15.00 0.72 5.25 0.00 7106.00 16.00 0.76 5.99 0.00 7107.00 17.00 0.80 6.77 0.00 7108.00 18.00 0.85 7.60 0.00 7109.00 19.00 0.89 8.47 0.00 7110.00 20.00 0.94 9.39 0.00 7111.00 21.00 0.98 10.35 0.00 7112.00 22.00 1.02 11.35 0.00 7113.00 23.00 1.06 12.39 0.00 7114.00 24.00 1.11 13.48 0.00 7115.00 25.00 1.15 14.60 0.00 7116.00 26.00 1.20 15.78 0.00 Stage of SW#1 7116.60 26.60 1.23 16.51 11.65 7116.70 26.70 1.23 16.63 15.68 6.80 26.80 1.24 16.75 20.19 6.90 26.90 1.24 16.88 25.19 7117.00 27.00 1.25 17.00 30.09 7117.50 27.50 1.27 17.63 65.98 7118.00 28.00 1.30 18.28 112.91 7118.50 28.50 1.32 18.93 172.63 v2 i)