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2009-04-29_PERMIT FILE - C1982056 (6)
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2009-04-29_PERMIT FILE - C1982056 (6)
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Last modified
8/24/2016 3:45:58 PM
Creation date
5/19/2009 1:58:37 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1982056
IBM Index Class Name
Permit File
Doc Date
4/29/2009
Doc Name
(Refer to Figures EX49R-F2 and F5)
Section_Exhibit Name
Exhibit 25Y 18-Left Mine Ventilation Shaft Installation Foundation & Road Investigations (TR66)
Media Type
D
Archive
No
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• PERM NO. 3 <br />MATERIAL Proctor 2P 14 MDD s ES°<> OMC <br /> <br />SAMPLE Th's 1-8 (Bedrock) <br />k = 2.303 * a*L/A*t (log h1/h2) <br /> <br /> <br />: <br />- 144, at i etets `= >;:>'::<:> «:::<::> <br /> <br />Value <br /> <br />Units = <br /> <br />H 1 Initial reading 1'r3 2 <br />cm <br />a = area of standpipe 0.495 cm2 H 2 = final reading €9 <br />................. .. cm <br />A = Area of sample (brass liner) 19.17 cm2 log h1/h2 0.04567 <br /> <br />L = len th of sam le <br /> <br /> <br />9 P ::: <br /> <br /> <br />:: <br />SA& <br />inc <br /> <br />t = ela sed time <br /> <br />P <br /> <br />.1 . 12 <br /> <br />seconds <br /> 8.7884 cm k = permeability 1.98E-08 cm/sec <br />TEST READINGS <br />Date Time 1 h 1 Time 2 h 2 Elapsed Time <br /> hours seconds rate per hour <br /> ..1a)5 2 ...... /2. 9R€1 ...... ................ . -334 <br />.... . <br />1203120 <br />0.0314 <br /> <br /> <br />• <br />0
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