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 10 of 17
Shell Frontier Oil & Gas Inc.
FINANCIAL WARRANTY CALCULATION
RIPPING WORK - AREA METHOD
Site
East RD &D Pilot Project
Date
July-12,2011
Task no.
6
Task
Rip all regraded surfaces to a depth of 18 inches prior to soil replacement
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
Laborzone:
2
Hourlvcost
Ownership: $65.03
Horsepower:
310
Operating - dozer:
$90.05 Utilization:
100% $90.05
Weight- dozer:
42.43
Operating - ripper:
$6.19 Utilization:
100% $6.19
- blade:
5.28
Operator: $38.32
- ripper:
5.37
Total: $199.59
Total (UST):
53.08
Quantities
1 2.20 acres
Rip depth: 1.50
feet Final volume:
29,524.00
BCY or CCY
Derivation: Site =9.52 acres, road = 2.48 acres, pond
=0.2 acres. Total disturbed area = 12.2 acres
Production
Unadiusted production
Ripping depth:
1.50 feet /pass
Ripping width *:
7.08 feet /pass
Ripping length:
300.00 feet /pass
Machine speed:
88.00 feet /min.
Maneuvertime:
0.25 min. /pass
Production per acre:
0.800 acres /hr
Unadjusted production:
1,934.91 cu.yds. /hr
JOB CONDITION CORRECTION FACTORS*
FACTOR
Job efficiency:
1 daytime shift per day
50 min. hour
0.833
Site altitude:
6,615 feet
1.000
per Cat Handbook
Net correction:
0.833
Adiusted production
1,611.78 CY /hour per machine
Work team size:
3 Machine(s)
Work team production:
4,835.33 CY /hour
2 pass coverage? (enter "yes" or "no "): yes
Final work team production:
2,417.67
CY /hour
Job totals
Job time: 12.21
hours
Job unit cost: $0.248
per CY
Job cost: $7,312
P- 2010 -026 bondcalc 01a Page 10 of 17