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2014-07-31_PERMIT FILE - C1996083A (13)
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2014-07-31_PERMIT FILE - C1996083A (13)
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Last modified
8/24/2016 5:46:14 PM
Creation date
8/21/2014 7:14:11 AM
Metadata
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Template:
DRMS Permit Index
Permit No
C1996083A
IBM Index Class Name
Permit File
Doc Date
7/31/2014
Doc Name
pages EXH 8-98 to EXH 8-245
Section_Exhibit Name
Volume III Exhibit 08 Protection of the Hydrologic Balance Part 2
Media Type
D
Archive
Yes
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POND K DEWATERING <br />DEWATERING PIPE <br />DISCHARGE UNDER FALLING HEAD <br />t = time to lower the surface level of the pond (H1 -H2). <br />t = 2A`(HIA.5 - H2A.5) /C`a'(2G)A.5 <br />Average flow in pipe: <br />Reference Civil Engineering Handbook, <br />Urquhart, Fourth Edition, Page 4 -34. <br />t = 31951 <br />t = 0.37 <br />41 <br />SECONDS <br />DAYS <br />GPM <br />TR -084 EXH. 8 -165 11/13 <br />Assume surface area of ponds is constant only height varies. <br />POND K <br />AREA OF POND <br />11564 <br />SQUARE FEET <br />DIAMETER OF PIPE <br />6.0 <br />INCHES <br />AREA OF PIPE = a <br />0.20 <br />SQUARE FEET <br />C = LOSS COEFFICIENT <br />0.65 <br />H1 = BEGINNING HEAD <br />2.00 <br />FEET <br />H2 = ENDING HEAD <br />0.00 <br />t = time to lower the surface level of the pond (H1 -H2). <br />t = 2A`(HIA.5 - H2A.5) /C`a'(2G)A.5 <br />Average flow in pipe: <br />Reference Civil Engineering Handbook, <br />Urquhart, Fourth Edition, Page 4 -34. <br />t = 31951 <br />t = 0.37 <br />41 <br />SECONDS <br />DAYS <br />GPM <br />TR -084 EXH. 8 -165 11/13 <br />
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