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Civil Software Design -- SEDCAD+ Version 3.1 Copyright (C) 1987-1992. Pamela J. Schwab. All rights reserved. • Company Name: TRAPPER MINING Filename: C:\SEDCAD3\RGD\OAKG10 User: Ray DuBois Date: 02-20-2001 Time: 19:08:56 Oak Gulch with G Pit & Regrade thru 2002 10 Year/24 Hour Storm; 1.40 inches, 10 year-24 hour, SCS Type II Hydrograph Convolution Interval: 0.1 hr ------------------------------------------- ------------------------------------------ ELEVATION-AREA-CAPACITY-DISCHARGE TABLE J2, B1, Sl Oak Pond No.l Drainage Area from J2, B1, S1, SWS(s)1-2: 74.4 acres Total Contributing Drainage Area: 300.8 acres SW#1: Emergency Spillway SW#2: Emergency Spillway Elev Stage Area Capacity Discharge (ft) (ac) (ac-ft) (cfsl - -- -- -- - ----- 6655. --- 00 ------ 0.00 ------- 0.00 ----------- 0.00 ------------ --------- - - - 6665. 50 10.50 0.44 2.12 6665. 58 0.00 0.45 2.16 0.00 Top of Sediment Storage (0 Stage) 6666. 00 0.42 0.46 0.19 0.00 6666. 50 0.92 0.49 0.43 0.00 6667 .00 1.42 0.51 0.68 0.00 • 6667. 50 1.92 0.53 0.94 0.00 6668 .00 2.42 0.55 1.21 0.00 6668 .40 2.82 0.57 1.43 0.00 Stage of SW#1 6668. 50 2.92 0.58 1.49 0.43 6668 .98 3.40 0.60 1.77 2.51 6669. 00 3.42 0.60 1.79 2.59 6669 .08 3.50 0.60 1.84 2.59 6669 .18 3.60 0.61 1.90 3.43 6669 .28 3.70 0.61 1.96 4.65 6669 .38 3.80 0.62 2.02 5.90 6669 .50 3.92 0.62 2.09 9.17 6669 .88 4.30 0.64 2.33 15.39 6670 .00 4.42 0.64 2.41 20.65 6670 .20 4.62 0.65 2.54 26.92 Stage of SW#2 6670 .38 4.80 0.66 2.66 34.01 6670 .50 4.92 0.67 2.74 44.03 6670. 54 4.96 0.67 2.76 46.36 Peak Stage 6670 .78 5.20 0.68 2.93 59.56 6670. 88 S.30 0.68 2.99 65.05 6670. 98 5.40 0.69 3.06 77.83 6671 .00 5.42 0.69 3.07 84.90 6671. 08 5.50 0.69 3.13 88.70 6671. 18 5.60 0.70 3.20 98.81 6671. 38 5.80 0.71 3.34 121.75 6671. 50 5.92 0.71 3.43 150.63 6671. 68 6.10 0.72 3.56 169.82 6671. 88 6.30 0.73 3.70 200.83 • 6672. 00 6.42 0.74 3.79 239.38