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
__- ---- --- __----
BUCKHOR GEOTECH i
Client / On Site Rep:
Bowie Resources / B. Bear
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:
10/10/2012
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
COMPACrIoN
NOT
warm
SPEC
SOIL
TYPE
LAB SAMPLE
NUMBER
NUC
SAND
755A
retest Pt. 4921 (N: 19615.22 - E: 377
6148.5
X
97.2
11.2
79.8
^
19.1
82.1
X
417 & 418 rc @ 15%
757
Pt. 4922 (N: 20198.33 - E: 37470.48)
6204.9
X
101.6
11.2
92.1
17.7
90.6
544 rc @ 20
758
Pt. 4923 (N: 20123.09 - E: 37505.16)
6203.8
X
100.4
11.3
92.9
15.7
92.5
544 rc @ 19%
MOISTURE / DENSITY SPECIFICATIONS
OBSERVATION / TESTING
FIELD OBSERVATIONS
Specified
Compaction Cohesive Soils X
Requirement: 90% Cohesionless Soils
Date: 1/2012
Compaction Equipment Used:
Full Time: I I
Day:
S
M
T
X
Th
F
S
Sheepsfoot: I X I
Part Time: I 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 1
Number of Site Visits /Day: I I
To 32
32 -50
50 -70
X
70 -85
85 Up
Vibratory: I
Testing Only: I X
Still
X
Mod
High
Laboratory Testing ASTM Cohesive Soils X
Procedure: D -698
Cohesionless Soils
Requested By (Company Name):
Bowie Resources
Other (List Below): I
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. L
Contractor Not Working Due To:
The Contractor Is:
Field Copies Given To:
Contractor:
Inclement Weather: I
Processing Frozen Material: I 'Processing Wet Matenai, I
I I
Equipment Malfunction: I
Stripping and /or Grubbing:
'Moisture Conditioning Dry Mati: 1
Client:
CM /GM:
PAGE 1 OF 1
Unknown: I
Stockpiling Fill:
Removing Unsuitable Mati: I
Other:
05- 126 -CMT Bowie Mine No. 2 Gob Pile Stability 2012 +.xls DCR10- 10 -12jh #755A, 757