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2010-12-08_PERMIT FILE - C1981008A (6)
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2010-12-08_PERMIT FILE - C1981008A (6)
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Last modified
8/24/2016 4:27:44 PM
Creation date
1/21/2011 4:36:39 PM
Metadata
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Template:
DRMS Permit Index
Permit No
C1981008A
IBM Index Class Name
Permit File
Doc Date
12/8/2010
Doc Name
Collection/Diversion Ditches and Culverts Design Parameters
Section_Exhibit Name
Section 2.05.3(3) Attachment 2.05.3(3)-1
Media Type
D
Archive
Yes
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Discharge: 19.01 cfs <br />Depth of Flow: 0.35 feet <br />Velocity: 6.29 fps <br />Freeboard: 0.30 feet <br />DITCH C15 <br />Time of Concentration (SCS Method) <br />Curve Number: 86 <br />Length of Flow (ft): 452.27 <br />Average Land Slope (percent): 11.4 <br />Time of Concentration (hrs): 0.07 <br />DITCH C15 <br />Graphical Peak Discharge <br />Project: NUCLA MINE <br />By: GL Date: 02/16/06 <br />Location: DITCH C15 <br />Checked: Date: <br />Developed <br />1. Data: <br />Drainage area: .................... <br />A = 1.3000 Acres <br />Runoff Curve Number: ............. <br />CN = 86 <br />Time of Concentration: <br />........... Tc = 0.07 <br />Storm Type: ....................... <br />=11 <br />Pond and swamp areas spread <br />throughout watershed ............... <br />= 0.00 percent of A <br />0.0000 Acres <br />2. Frequency ........................yr <br />= 10 <br />3. Rainfall ,P(24 - hour) .............. <br />in = 2.00 <br />4. Initial abstraction, la............ <br />= 0.32565 <br />5 Compute la /P ....................... <br />= 0.1628 <br />Revised August 2009(PB06) Attachment 2.05.3(3) -1 -27 <br />
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