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2008-08-26_REPORT - C1980007 (7)
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2008-08-26_REPORT - C1980007 (7)
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Last modified
8/24/2016 3:35:50 PM
Creation date
9/5/2008 1:52:05 PM
Metadata
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Template:
DRMS Permit Index
Permit No
C1980007
IBM Index Class Name
REPORT
Doc Date
8/26/2008
Doc Name
2nd Quarter 2008 Geotechnical Monitoring (Part 1 of 2)
From
Mountain Coal Company
To
DRMS
Permit Index Doc Type
Subsidence Report
Email Name
TAK
Media Type
D
Archive
No
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C. Inclinometers <br />Main Mine Site Inclinometers <br />Most of the main mine site inclinometers measured during the 2nd Quarter 2008 are showing some <br />displacement. The following inclinometers are showing some displacement: <br />I1C-23 North of Water Treatment Building/FW-1 Pond (0.1 inches from 2/19/08 to 6/21/08) <br />I98-O1 North of Stack Tube #2 (0.3 inches from 10/19/07 to 5/20/08) <br />I98-06 East of Breaker Building (0.1 inches from 6/19/07 to 6/21/08) <br />I02-02 West of Warehouse (0.4 inches from 3/19/08 to 6/21/08) <br />I02-OS North of Shop (0.5 inches from 3/19/08 to 6/21/08) <br />I02-08 South of Purchasing Entrance Door (0.05 inches from 1/22/08 to 4/17/08) <br />I02-23 Toe of C-1 (0.2 inches from 1/22/08 to 6/21/08) <br />I02-27 South of FW-1 (0.3 inches from 3/19/08 to 6/21/08) <br />I02-50 West of MB-2 at C-1 (0.7 inches from 3/19/08 to 6/21/08) <br />I-51 Portal Access Road at Turnoff to MSB (0.3 inches from 6/20/07 to 6/21/08) <br />All others showed movement of less than 0.1 inches since their last readings. <br />Sylvester Gulch Inclinometers <br />Six Sylvester Gulch inclinometers were measured during the 2nd Quarter 2008. These <br />inclinometers were OS-101, I00-O1, I-9B, I-21, I-27, and I-32. Only one of them is showing <br />appreciable movement since it was last read: <br />I-9B North of F-Wall (0.1 inches from 3/19/08 to 6/21/08) <br />All others are showing less than 0.1 inches of displacement since they were last measured in the <br />summer and fall of 2007. <br />Barr Engineering Company 2nd Quarter 2008 <br />06/26-031 Geotechnical Monitoring <br />
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