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PERMFILE136301
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PERMFILE136301
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Entry Properties
Last modified
8/24/2016 10:37:00 PM
Creation date
11/26/2007 4:29:43 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981071
IBM Index Class Name
Permit File
Doc Date
12/11/2001
Doc Name
pg 780-1 to 780-140
Section_Exhibit Name
PART 780 RECLAMATION & OPERATIONS PLAN
Media Type
D
Archive
No
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Avg. Slope 26.5 <br />Slope Adi. Factor <br />~'. 1.07 <br />PRECIP EVENT 10 YEAR - 24 HOUR 1.8 INCHES <br />Curve Number 74 <br />Avg. Runoff 0.26 <br />Equiv. Peak Discharge 7.5 <br />CFS/IN Runoff 27 <br />ACTUAL PEAK DISCHARGE (CFS) 4.4 <br />^V^ Diteh <br />Width (ft) 3.0 <br />Depth (ft) 3.0 <br />Flow Depth (ft) 1.3 <br />Freeboard (ft) 1.7 <br />Sideslopes (ft:ft) 1:1 <br />Ditch Slope (i) 1.0 <br />Velocity (fps) 2.6 <br />DITCH CALCULATIONS <br />Peak Flow = 4.4 cfs <br />Use ^V^ Ditch <br />Z = 1:1 Sideslopes <br />5 = 1'/. Slope <br />N = 0.035 <br />Q = AV = 1_49 R2/3 SI/2 A <br />n <br />Q = 4.4 = 1.49 Zd 2/3 (5)1/2 (Zd2) <br />0.035 ~ 2 Z2+1 <br />J <br />780-38(b) Revised 02/20/87 <br />
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