2012-07-24_PERMIT FILE - C1980007A

• Permit No: C1980007A
• IBM Index Class Name: Permit File
• Doc Date: 7/24/2012
• Doc Name: Cost Summary
• Section_Exhibit Name: Exhibit 53 Reclamation Cost Estimate Part 4
• Media Type: D
• Archive: Yes

BULLDOZER RIPPING WORK
Task description: Rip Drill Pads
Permit Action: Technical Revision
Site: West Elk Mine 129
PROJECT IDENTIFICATION
Task #: 29B
Date: 7/11/2012
User: JRS
State: Colorado
County: Gunnison
Agency or organization name: DRMS
HOURLY EQUIPMENT COST
Basic Machine: Cat D8T - 8SU
Ripper Attachment: 3 -Shank Ripper
Permit/Job #: C1980007
Abbreviation: None
Filename: 0007 -29B
Horsepower: 310
Shift Basis: 1 per day
Data Source: (CRG)
Cost Breakdown:
Utilization %
Ownership Cost/Hour:
$65.28
NA
Operating Cost/Hour:
$102.81
100
Ripper Operating Cost/Hour:
$6.49
100
Operator Cost/Hour:
$38.49
NA
Total Unit Cost /Hour:
$213.07
Total Fleet Cost/Hour:
$213.07
MATERIAL QUANTITIES
Selected estimating method: Area
Alternate Methods:
>eismic: NA Bank Volume:
NA
BCY
NA
Area: 11.00 acres Rip Depth (ft):
2.00
Volume:
35,493 BCY or CCY
Source of estimated quantity:
Operator Estimate
HOURLY PRODUCTION
Seismic:
Seismic Velocity:
NA
feet/second
Area:
Average Ripping Depth:
2.56
mph
Average Ripping Width:
7.08
degrees
Average Ripping Length:
125.00
feet
Average Dozer Speed:
88.00
feet
Average Maneuver Time:
0.25
feet
Production per unit area:
0.730
acres /hour
Job Condition Correction Factors
Unadjusted Hourly Unit Production:
0.730
Acres /hr
Site Altitude:
8,000
feet
Altitude Adj:
1.00
(CAT HB)
Job Efficiency:
0.83
(1 shift /day)
Net Correction:
0.83
multiplier
Adjusted Hourly Unit Production:
0.61
Acres /hr
Adjusted Hourly Fleet Production:
0.61
Acres /hr
CIRCES Cost Estimating Software