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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: COLOWYO COAL COMPANY <br />Filename: C:\SEDCAD3\PW1 User: JUAN GARCIA <br />Date: 07-18-1994 Time: 13:13:22 <br />PROSPECT POND HYDROLOGY/SEDIMENTOLOGY & WATER CONTROL STRUCTURES <br />Storm: 2.30 inches, 25 year-24 hour, SCS Type II <br />Hydrograph Convolution Interval: 0.1 hr <br />------------------------------- <br />ELEVATION-AREA-CAPACITY-DISCHARGE TABLE <br />------------------------------------------- <br />------------------------------------------- <br />J4, B1, S1 <br />PROSPECT POND <br />Drainage Area from J4, B1, S1, SWS(s)1: 20.1 acres <br />Total Contributing Drainage Area: 745.1 acres <br />SW#1: Drop Inlet <br />SW#2: Emergency Spillway <br />Elev Stage Area Capacity Discharge <br /> (ft) (ac) (ac-ft) (cfs) <br />------- <br />6736.00 ------- <br />0.00 ------- <br />0.15 ----------- <br />0.00 ----- - <br />6736.00 0.00 0.15 0.00 <br />6736.23 0.00 0.17 0.04 0.00 Top of Sediment Storage (0 Stage) <br />7.00 0.77 0.23 0.15 0.00 <br />6._,8.00 1.77 0.33 0.43 0.00 <br />6739.00 2.77 0.35 0.77 0.00 <br />6740.00 3.77 0.37 1.13 0.00 <br />6741.00 4.77 0.39 1.51 0.00 <br />6742.00 5.77 0.40 1.90 0.00 <br />6743.00 6.77 0.42 2.31 0.00 <br />6744.00 7.77 0.44 2.75 0.00 <br />6745.00 8.77 0.46 3.20 0.00 <br />6746.00 9.77 0.48 3.67 0.00 <br />6747.00 10.77 0.50 4.16 0.00 <br />6748.00 11.77 0.53 4.67 0.00 <br />6749.00 12.77 0.55 5.21 0.00 <br />6750.00 13.77 0.58 5,78 0.00 <br />6751.00 14.77 0.61 6,38 0.00 <br />6752.00 15.77 0.64 7,00 0.00 <br />6752.10 15.87 0.64 7,06 0.00 Stage of SW#1 <br />6752.64 16.41 0.64 7,41 2.14 Peak Stage <br />6753.00 16.77 0.66 7,65 3.59 Stage of SW#2 <br />6753.53 17.30 0.68 8.00 16.81 <br />6753.63 17.40 0.68 8.07 19.30 <br />6753.73 17.50 0.68 8.14 23.72 <br />6753.83 17.60 0.68 8.21 29.75 <br />6753.93 17.70 0.69 8.28 35.70 <br />6'Q4.00 17.77 0.69 8.32 42.79 <br />E ..43 18.20 0.71 8.63 75.30 <br />6754.93 18.70 0.74 8.99 128.94 <br />6755.00 18.77 0.74 9.04 141.30 <br /> <br />PAGE LS <br />