2009-04-13_REVISION - C1980007 ‎(3)‎

• Permit No: C1980007
• IBM Index Class Name: REVISION
• Doc Date: 4/13/2009
• Doc Name: Letter & Attachments Regarding Results of Several Geotechnical Analyses
• From: Mountain Coal Company
• To: DRMS
• Type & Sequence: MR350
• Email Name: TAK
• Media Type: D
• Archive: No

RELATIVE COMPACTION TEST RESULTS
PROJECT: West Elk Refuse Pile Expansion
PROJECT NO: M09011 MT
DATE: Monday, Mar/2/09
Page 1 of 2
SITE LOCATION: Somerset
CLIENT: Mountain Coal Company
ENGINEERING TECHNICIAN: Hayes
NUCLEAR GAUGE USED: 18

TEST
NO

TEST LOCATION
DEPTH OR
ELEVATION
PROBE
DEPTH
1N LABORATORY
PROCTOR
DENSITY
P( CF) OPTIMUM
MOISTURE
CONTENT
°/( °)
DRY
DENSITY
PCF
MOISTURE
CONTENT
RELATIVE
COMPACTION
SOIL TYPE
23 - -
RPE-01 -
6178.06 8 103.0 _
11.5 -
100.5 10.4 98 Coal Gob, Black
24 RPE-02 6175.60 8 103.0 11.5 102.6 6.6 100 "
25 RPE-03 6174.49 8 103.0 11.5 95.3 12.4 93 "
26 RPE-04 6170.06 8 103.0 11.5 103.2 9.0 100 "
27 RPE-05 6170.72 8 103.0 11.5 96.6 10.2 94 "
28 RPE-06 6166.52 8 103.0 11.5 103.9 7.3 100 "
29 RPE-07 6168.08 8 103.0 11.5 .105.9 7.9 100 "
30 RPE-08 6165.59 8 103.0 11.5 101.8 7.9 99 "
31 RPE-09 6162.63 8 103.0 11.5 103.3 9.5 100 "
32 RPE-10 6156.92 8 103.0 11.5 103.4 8.0 100 "
33 RPE-11 6160.78 8 103.0 11.5 102.8 8.6 100 "
34 RPE-12 6161.05 8 103.0 11.5 104.8 7.2 100 "
REMARKS: The test results indicate only the density and moisture content for the location and elevation tested only.
T4amlirri an k"Jariatz.0 PROJECT NUMBER: M0901IMT