2010-01-07_REPORT - C1996083

• Permit No: C1996083
• IBM Index Class Name: REPORT
• Doc Date: 1/7/2010
• Doc Name: 4th Quarter 2009 Waste Bank/GOB Pile Monitoring
• From: J.E. Stover & Associates
• To: DRMS
• Permit Index Doc Type: Waste Pile/Fill Report
• Email Name: JJD
• Media Type: D
• Archive: No

Project: ......................... .................,_...... ........... .?.
• - CiEOTECH;
:
-- Client / On Site Rep:
Bowie Resources / B. Bear

Bowie Mine Gob Pile Stability
....................
..
.............................. ...............
': Crvrl . .. Structural .. & .... Geotech ................ rn ..' . cal ""."" Engine i, n e ... er ..s
,
CO 81401
• Montrose
222 South Park Ave

Contractor / Rep:

Loadout Services / S. West
Project No:
2005126-CMT Date:
10/15/2009 .
.
Ph.: [phone] • FAX: [phone]
CONSTRUCTION MATERIALS TESTING LABORATORY Technician:
B. Wilson
DAILY CO MPACTION REPORT
LOCATION TEST TYPE MAX DRY OPTIMUM DRY MOISTURE PERCENT NOT SOIL LAB SAMPLE
TEST
NUMBER Embankment Gob -Gob Pile No. 2
Center Slope GRADE ELEV
NUC
SAND DENSITY
(pcf) MOISTURE
CONT. (%) DENSITY
(pcf) CONTENT
(%) COMPACTION WITHIN
SPEC TYPE NUMBER
309A Retest of test No. 309 6127.8 X 94.8 10.8 9419 11.1 100.1 gob #309A 1/c 0 20%
314 (PT#445 N19473.42/E37351.07 6132.2 X 97.2 10.9 97.9 9.3 100.7 gob 4259 &4260 r/c 0 24%
315 PT#4456) N19509.50/E37612.47 6128.8 X 105.8 11.0 97.0 91.7 91.7 gob 5300 do 031%

MOISTURE / DENSITY SPECIFICATIONS OBSERVATION / TESTING FIELD OBSERVATIONS
Specified Date: Compaction Equipment Used:
Compaction Cohesive Soils X
Re uirement: 90%+
q Cohesionless Soils Full Time: Da :
Y S M T W Th

X F S

Sheepsfoot:
Part Time: i Weather: Sun Clear Overcast Rain Snow
Specified x X Smooth Drum Roller:
Moisture N/A Cohesive Soils X
Requirement: Cohesionless Soils Number of Site VWts/Day: Temp: To 32 32-50
x SO-70
X 70-85 85 Up
Vibratory:
Testing Only: Wind: Still Mod High
Requested By (Company Name): X Other (List Below):
Laboratory Testing ASTM-D Cohesive Soils X
Procedure: 698
Cohesionless Soils Justin / Loadout Services Humidity: Dry

X Mod Humid Haul traffic
DENSITY / COMPACTION TESTING WAS NOT PERFORMED
ON THIS DATE FOR THE FOLLOWING REASONS: insufficient amount
of material placed. Informed (Rep of Company) of Test Results:
Steve West / Loadout Services
Buckhorn was not informed prior
Contractor Not Working Due To: The Contractor Is: to our arrival on site that the
contractor would not be working

Inclement Weather:

Equipment Malfunction:
Processing Frozen Material: =Processing wet material:

Stripping and/or Grubbing: Moisture CondR=ormg Cry Mat's: Field Copies Given To:

Contractor:
Client: on this date.

Unknown:
Stockpiling Fill: Removing Unsuitable Mat'l: CM/GM:
Other: PAGE 1 OF 1
05-126-CMT Bowie Mine Gob Pile Stability.xls DCR10-15-09bw#309A-sj