2011-07-14_PERMIT FILE - P2010026

• Permit No: P2010026
• IBM Index Class Name: Permit File
• Doc Date: 7/14/2011
• Doc Name: Response to your review of 06/09/2011
• From: Shell International Exploration & Production
• To: DRMS
• Email Name: THM
• Media Type: D
• Archive: No

P- 2010 -026 bondcalc 01a Page 8 of 17
Shell Frontier Oil & Gas Inc.
FINANCIAL WARRANTY CALCULATION
DOZER WORK
Site
East RD &D Pilot Project
Date July 12, 2011
Task no.
4
Task
Regrade site (excluding pond and access road)
Equipment
Base model:
Cat D8T - SU
Blade type:
Semi - Universal
Blade width (ft.):
12.92
Attachment:
Multi -shank ripper Type: Adjustable parallelogram
State: Colorado
County: Rio Blanco
Labor zone:
2
Hourly cost
Ownership: $65.03
Horsepower:
310
Operating - dozer:
$90.05 Utilization: 100% $90.05
Weight- dozer:
42.43
Operating - ripper:
$6.19 Utilization: 0% $0.00
- blade:
5.28
Operator: $38.32
- ripper:
5.37
Total: $193.40
Total (UST):
53.08
Volume
30,718 CCY
Swell: 1.123 Final:
34,485.30
LCY
Material description:
Decomposed rock - 25% Rock, 75% Earth
Derivation: Assume 2 ft. layer regraded over disturbed area (9.52 ac.)
Production
Average push distance:
150 feet
Unadjusted production:
634.3 LCY /hr* per Caterpillar Performance Handbook Edition:
39
JOB CONDITION CORRECTION FACTORS*
FACTOR*
Material consistency:
Compacted fill or embankment
0.900
Operator skill:
Average
0.750
Dozing method:
General
1.000
Visibility:
Average daytime conditions
1.000
Job efficiency:
1 daytime shift per day (50 min. hour)
0.833
Spoil pile:
Finish dressin - rough finish
0.800
Push gradient:
5.00% os. grade = uphill push; neg. = downhill
0.900
Site altitude:
6,615 Ifeet
1.000
Material weight (lbs /LCY):
2,650 1 Decomposed rock - 25% Rock, 75 */o Earth
0.868
(2300 lb. default)
Blade type:
Semi- Universal
1.000
Net correction:
0.351
Adjusted production:
222.87 LCY /hr
Work team size:
3 Dozer(s)
Work team production:
668.62 LCY /hour
Job totals
Job time:
51.58 Hours
Job unit cost:
$0.868 per LCY
Job cost:
$29,925
P- 2010 -026 bondcalc 01a Page 8 of 17