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PERMFILE54508
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PERMFILE54508
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Entry Properties
Last modified
8/24/2016 10:57:35 PM
Creation date
11/20/2007 4:11:40 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981020A
IBM Index Class Name
Permit File
Doc Date
5/13/2002
Section_Exhibit Name
Volume 6 APPENDIX Ds TO Fs
Media Type
D
Archive
Yes
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<br />• <br />• <br />Drainage Ditch -- Haul Road <br />Central Facilities to Refuse Disposal Area <br />Size the diversion ditch based upon mahimum discharge at each <br />culvert for a 10 year, 24 hour storm. <br />Channel Configuration: 1 <br />D A = 2d2 <br />1 I ~ 1 Pw = 4.47d <br />2 1 2 R = 0.447d <br />V = Q/A <br />n = 0.03 <br />V = Q/2d2 <br />d = Q/58.07 S~ S = slope <br />F = freeboard <br />All values not calculated herein are from "Culvert Sizing" charts <br />and Central Facilities - Access fi Haul Road drawings. <br />Area R - Sta 15+20 <br />S = 0.05 <br />Q = 9.56 <br />d =/v10/58.07 (0.05) <br />d = 0.88 ft. <br />Area 0 - Sta 25 + 00 <br />Avg. S = 0.021 <br />Q = 29.13 cfs. <br />d = 30/58.07 (0.021) <br />d = 1.89 ft. <br />Area P - Sta 39 + 55 <br />Avg. S = 0.014 <br />Q = 72.53 <br />d = 73/58.07 (.014)2 <br />d = 3.26 ft. <br /> 10 <br />V 2(0.88)2 = 6.46 Fps <br />F = 1 + 0.025 vdl/' = 1.15 ft. <br />D = d+F= 2.03 ft. <br />V = 30 <br /> 2(1.89) = 4.21 Fps. <br />F = 1 + 0.025 vdl/3 = 1.130 ft. <br />D = d + F = 3.02 ft. <br />V 73 - 2 = 3.44 Fps. <br /> 2(3.26) <br /> 1 <br />F = 1 + 0.025 vd <br />/3 = 1.13 ft. <br />D = d + F = 4.39 ft. <br /> 12/13/83 <br />
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