2013-01-14_REPORT - C1996083

• Permit No: C1996083
• IBM Index Class Name: REPORT
• Doc Date: 1/14/2013
• Doc Name: 4th Quarter 2012 Wastebank
• From: J.E. Stover & Associates, Inc
• To: DRMS
• Permit Index Doc Type: Waste Pile/Fill Report
• Email Name: SLB
• Email Name: SB1
• Media Type: D
• Archive: No

Project:
Bowie Mine Gob Pile Stability
Client / On Site Rep:
Bowie Resources / B. Bear
BUCKHOR GEOTECH
Contractor / Rep:
Bowie Resources / Gary Harding
Civil, Structural & Geotechnical Engineers
222 South Park Ave. • Montrose, Co 81401
Ph,: (970) 249 -6828 • FAX: [phone]
CONSTRUCTION MATERIALS TESTING
Project No:
2005126 -CMT
Date:
10/2/2012
Technician:
J. Harshman
DAILY COMPACTION REPORT
TEST
NUMBER
LOCATION
GRADE
ELEV
TEST TYPE
MAX DRY
DENSITY
(pcf)
OPTIMUM
MOISTURE
CONT. ( %)
DRY
DENSITY
(pcf)
MOISTURE
CONTENT
( %)
PERCENT
COMPACTION
NOT
WITHIN
SPEC
SOIL
TYPE
LAB SAMPLE
NUMBER
NUC
SAND
752
Pt. 4916 (N: 19560.39 - E: 37388.09)
6160.2
X
100.0
9.8
91.1
11.7
91.1
331A & 334 rc @ 10 ,
753
Pt. 4917 (N: 19509.21 - E: 37540.30)
6154.0
X
93.4
11.9
88.2
11.4
94.4
417 & 418 rc @ 8
754
Pt. 4918 (N: 19515.32 - E: 37685.73)
6147.2
X
102.6
9.5
93.1
16.5
90.7
331A & 334 rc @ 15 0 r
755
Pt. 4919 (N: 19616.87 - E: 37797.42)
6148.5
X
96.3
11.4
80.9
17.9
84.0
X
417 &418 rc @ 13%
756
Pt. 4920 (N: 19665.88 - E: 37922.94)
6140.5
X
96.6
12.3
88.6
15.5
91.7
544 rc @ 11%
MOISTURE / DENSITY SPECIFICATIONS
OBSERVATION / TESTING
FIELD OBSERVATIONS
Specified
Compaction Cohesive Soils X
Requirement: 90% Cohesionless Soils
Date: r2012
Compaction Equipment Used:
Full Time: I I
Day:
S
M
T
�
Th
F
S
Sheepsfoot: I X
Part Time: I
Weather:
Temp:
Wind:
Humidity:
Sun
Clear
X
Overcast
Rain
Snow
CAT 815
Specified
Moisture N/A Cohesive Soils X
Requirement: Cohesionless Soils
Smooth Drum Roller: I I
Number of Site Visits/Day: I I
To 32
32 -50
50 -70
70 -85
X
85 Up
Vibratory: I I
Testing Only: I X I
Still
Mod
X
High
Laboratory Testing ASTM Cohesive Soils X
Procedure: D -698
Cohesionless Soils
Requested By (Company Name):
Bowie Resources
Other (List Below):
Dry
X
Mod
Humid
DENSITY / COMPACTION TESTING WAS NOT PERFORMED
ON THIS DATE FOR THE FOLLOWING REASONS:
Insufficient amount
Informed (Rep of Company) of Test Results:
Ron Grimland (Bowie Resources)
Buckhorn was not informed prior
to our arrival on site that the
contractor would not be working
on this date.
of material placed. I
Contractor Not Working Due To:
The Contractor Is:
Field Copies Given To:
Contractor:
Inclement Weather: I
Processing Frozen Material: 1 (Processing Wet Material. I
I
Equipment Malfunction: I
Stripping and /or Grubbing: I (Moisture Conditioning Dry Mat'l: I
Client:
•
CM /GM:
,
PAGE 1 OF 1
Unknown: I
Stockpiling Fill. I (Removing Unsuitable Matt: I
Other:
- 126 -CMT Bowie Mine No. 2 Gob Pile Stability 2012 +.xls DCR10- 2 -12jh #752