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PERMFILE113314
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PERMFILE113314
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Entry Properties
Last modified
8/24/2016 10:09:29 PM
Creation date
11/24/2007 10:26:40 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981008A
IBM Index Class Name
Permit File
Doc Date
7/30/2007
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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• Runoff Curve Number :.............CN = 81 <br />Time of Concentration:...........Tc = 0.31 <br />Storm Type :....................... = II <br />Pond and swamp areas spread <br />throughout watershed ............... = 0.00 percent of A <br />0.0000 Acres <br />2. Frequency ........................yr = 10 <br />3. Rainfall,P(24-hour) ..............in = 2.00 <br />4. Initial abstraction, la............ = 0.4691 <br />• 5. Compute la/P ....................... = 0.2346 <br />6. Unit peak discharge, qu......csm/in = 606.26 <br />7. Runoff,Q .........................in = 0.6045 <br />8. Pond & swap adjustment factor,...Fp = 1.00 <br />9. Peak Discharge,gp ...............cfs = 14.7178 <br />DITCH C1 <br />Channel Type: Trapezoidal, Equal Side Slopes <br />Dimensions: Left Side Slope 2.00:1 <br />Right Side Slope 2.00:1 <br />Base Dimension: 6.00 <br />• xev~ssunnnxcusoo6 Attachment 2.05.3(3)-1-9 <br />
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