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2015-03-16_PERMIT FILE - C1981008 (2)
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2015-03-16_PERMIT FILE - C1981008 (2)
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Last modified
8/24/2016 5:58:24 PM
Creation date
6/3/2015 12:36:05 PM
Metadata
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Template:
DRMS Permit Index
Permit No
C1981008A
IBM Index Class Name
Permit File
Doc Date
3/16/2015
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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Time of Concentration (hrs): 0.34 <br />DITCH C8 <br />Graphical Peak Discharge <br />............... = 0.00 percent of A <br />Project: NUCLA MINE <br />By: GL <br />Location: DITCH C7 <br />Checked: <br />Developed <br />in = 2.00 <br />1. Data: <br />= 0.3529 <br />Drainage area: .................... <br />A = 33.7000 Acres <br />Runoff Curve Number: ............. CN = 85 <br />Time of Concentration: ........... <br />Tc = 0.34 <br />Storm Type: ....................... = II <br />Pond and swamp areas spread <br />Date: 02/16/06 <br />Date: <br />throughout watershed <br />............... = 0.00 percent of A <br />0.0000 Acres <br />2. Frequency ........................ <br />yr = 10 <br />3. Rainfall ,P(24 - hour) .............. <br />in = 2.00 <br />4. Initial abstraction, la............ <br />= 0.3529 <br />5. Compute la /P ....................... <br />= 0.1765 <br />6. Unit peak discharge, qu ...... csm /in = 608.66 <br />7. Runoff ,Q .........................in = 0.7951 <br />8. Pond & swap adjustment factor .... Fp = 1.00 <br />9. Peak Discharge,gp ...............cfs = 25.4837 <br />DITCH C8 <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 />Revised June 2011 (TR -60) Attachment 2.05.3(3) -1 -18 <br />
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