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HYDRO31407
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HYDRO31407
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Last modified
8/24/2016 8:55:07 PM
Creation date
11/21/2007 1:42:42 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981044
IBM Index Class Name
Hydrology
Doc Name
PONDS
Permit Index Doc Type
PROF POND CERTIFICATIONS
Media Type
D
Archive
No
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. v <br />~~ ~ <br />.~ <br />DESIGN VOLUMES FOR ~9 PONDS <br />Q = 290 gpm <br />290 x 4.2 x 10-3 A-F/d = 1.28 AF/d <br />9Pm <br />Provide for 10 days retention <br />1.28 x ]0 = 12.8 A-F <br />This is total for 9-P1 P2, P3 <br />Add 10-year rainfall runoff volume <br />Assume ail undisturbed tributary area <br />CN = 69~ <br />10-year rainfall = 1.5" <br />10-year runoff = 0.07" <br />Pond Area Volume <br />(ores) IFS <br />9 P1 6.5 .04 <br />9 P2 18.7 .11 <br />5.9 .03 <br />9 P3 12.1 .07 <br />0.25 A-F <br />Totai Volume = 13.0 A-F <br />-23- <br />
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