2012-07-11_REVISION - C1980007

• Permit No: C1980007
• IBM Index Class Name: Revision
• Doc Date: 7/11/2012
• Doc Name: Reclamation Cost Estimate ‎(Emailed)‎
• From: DRMS
• To: Kathy Welt
• Type & Sequence: TR129
• Email Name: JRS
• Email Name: DIH
• Media Type: D
• Archive: No

BULLDOZER RIPPING WORK
Task description: Rip Drill Pads
Permit Action:
Technical Revision
129 Permit /Job #: C1980007
Site: West Elk Mine
PROJECT IDENTIFICATION
Task #: 29B
Date: 7/11/2012
User: JRS
State: Colorado
County: Gunnison
Agency or organization name:
HOURLY EQUIPMENT COST
Basic Machine: Cat D8T - 8SU
Ripper Attachment: 3 -Shank Rippe:
Horsepower: 310
Shift Basis: 1 per day
Data Source: (CRG)
Cost Breakdown:
NA
feet /second
Area:
Utilization %
Ownership Cost/Hour:
$65.28
Average Ripping Width:
NA
Operating Cost/Hour:
$102.81
125.00
100
Ripper Operating Cost/Hour:
$6.49
feet
100
Operator Cost/Hour:
$38.49
Production per unit area:
NA
Total Unit Cost/Hour:
$213.07
Total Fleet Cost/Hour:
$213.07
0.730
MATERIAL QUANTITIES
Selected estimating method: Area
Alternate Methods
seismic:
Area:
NA Bank Volume: NA BCY NA
11.00 acres Rip Depth (ft):
Source of estimated quantity:
HOURLY PRODUCTION
2.00
Estimate
Volume: 35,493 BCY or CCY
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
DRMS
Abbreviation: None
Filename: C007 -29B
CIRCES Cost Estimating Software