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2011-11-30_PERMIT FILE - C1981008 (2)
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2011-11-30_PERMIT FILE - C1981008 (2)
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Last modified
8/24/2016 4:45:30 PM
Creation date
12/20/2011 10:06:12 AM
Metadata
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Template:
DRMS Permit Index
Permit No
C1981008
IBM Index Class Name
Permit File
Doc Date
11/30/2011
Doc Name
Pond 013 As Built Sedcad & SurvCad Hydrology Calculations for 10yr-24hr & 25yr-24hr Events
Section_Exhibit Name
Section 2.05.3(3) Attachment 2.05.3(3)-21
Media Type
D
Archive
No
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Graphical Peak Discharge <br />Project: O13POND <br />By: R L GUBKA Date: <br />Location: NEW HORIZON MINE Checked <br />Developed <br />1. Data: <br />Drainage area: .................... A = 38.1100 Acres <br />Runoff Curve Number: ............. CN = 86 <br />Time of Concentration: ........... Tc = 0.26 <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............ = 0.3256 <br />5. Compute la /P ....................... = 0.1628 <br />Date: <br />Attachment 2.05.3(3) -21 -9 <br />
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