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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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Drainage area: .................... A = 169.2000 Acres <br />Runoff Curve Number: ............. CN = 78 <br />Time of Concentration: ........... Tc = 1.21 <br />Storm Type: ....................... = II <br />Pond and swamp areas spread <br />throughout watershed ............... = 1.00 percent of A <br />DITCH C18 - LOWER PORTION - LAST 700 FEET TO CULVERT UNDER 5TH STREET <br />Graphical Peak Discharge <br />Project: NUCLA MINE By: GL Date: 02/16/06 <br />Location: DITCH C18 LOWER PORTION Checked: Date: <br />Developed <br />1. Data: <br />Drainage area: .................... A = 222.7000 Acres <br />1.6920 Acres <br />2. Frequency ........................yr = 25 <br />3. Rainfall ,P(24 - hour) .............. in = 2.40 <br />4. Initial abstraction, la............ <br />= 0.5641 <br />5. Compute la /P ....................... <br />= 0.2350 <br />6. Unit peak discharge, qu <br />...... csm /in = 282.11 <br />7. Runoff ,Q .........................in <br />= 0.7238 <br />8. Pond & swap adjustment factor .... Fp = 0.87 <br />9. Peak Discharge,gp ...............cfs <br />= 46.9679 <br />DITCH C18 - LOWER PORTION - LAST 700 FEET TO CULVERT UNDER 5TH STREET <br />Graphical Peak Discharge <br />Project: NUCLA MINE By: GL Date: 02/16/06 <br />Location: DITCH C18 LOWER PORTION Checked: Date: <br />Developed <br />1. Data: <br />Drainage area: .................... A = 222.7000 Acres <br />Runoff Curve Number: ............. CN = 78 <br />Time of Concentration: ........... <br />Tc = 1.21 <br />Storm Type: ....................... <br />= II <br />Pond and swamp areas <br />spread <br />throughout watershed ............... <br />= 1.00 percent of A <br />2.2270 Acres <br />2. Frequency ........................yr = 25 <br />3. Rainfall ,P(24 - hour) .............. in = 2.40 <br />Revised June 2011 (TR -60) Attachment 2.05.3(3) -1 -31 <br />
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