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REV06717
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REV06717
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Entry Properties
Last modified
8/25/2016 1:07:44 AM
Creation date
11/21/2007 9:36:26 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1980007
IBM Index Class Name
Revision
Doc Date
7/30/1997
Doc Name
MR 223 ROM PAD EXPANSION WEST ELK MINE PN C-80-007
From
MOUNTAIN COAL CO WEST ELK MINE
To
DMG
Type & Sequence
MR223
Media Type
D
Archive
No
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Minor Revision No. 123 page y <br />July 29, 1997 <br />addition, the calculations are provided. The drainage on the existing pad will remain <br />as designed in Exhibit 66. Design details for the sub-pad drainage system are <br />provided on the enclosed Drawings. <br />Two cleaz-water ditches will be constructed above the expanded pad area to divert <br />cleaz-water to the natural drainages and away from the coal pad. The diversion <br />ditches will be constructed as "V" ditches that aze approximately 2 feet deep with <br />2H:1 V side slopes. The diversion channels were sized to accommodate the surface <br />water flows generated from a 10-yeaz, 24-hour storm event. The ditch cross-section <br />is provided on Drawing 97010-OS and the location of the ditches are shown on <br />Drawing 97010-02. <br />Due to the expansion of the ROM pad, the existing ventilation fan for the reclaim <br />tunnel will be required to be relocated as shown on Drawings 97010-02 and 97010- <br />08. <br />MCC includes the following information and maps for the Division's consideration: <br />.Revised Map 53 (to be replaced in permit) <br />.Revised Map 54 (to be replaced in permit) <br />.Revised Map 58 (to be replaced in permit) <br />•WESTEC Drawings 97010-O1, 02, 03, 04, O5, 06, 07, and O8 (for the <br />Division's file) <br />As MCC would like to complete this construction during the next longwall move, in <br />mid-August, your prompt attention to this application would be appreciated. Please <br />call if you have any questions. <br />Sincerely, <br />Christine E. Johnston <br />Permitting Specialist <br />cc: Norm Every <br />Phil Schmidt <br />Kathy Welt <br />m(223.doc <br />
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