2012-03-13_REVISION - C1981012 ‎(2)‎

• Permit No: C1981012
• IBM Index Class Name: REVISION
• Doc Date: 3/13/2012
• Doc Name: Proposed Decision Letter & Form & Cost Estimate
• From: DRMS
• To: New Elk Coal Company, LLC
• Type & Sequence: TR62
• Email Name: JHB
• Email Name: DIH
• Media Type: D
• Archive: No

Task description:
Site: New Elk Mine
PROJECT IDENTIFICATION
Task #: 119 State: Colorado
Date: 2/10/2012 County: Las Animas
User: JHB
HOURLY EQUIPMENT COST
Basic Machine:
Ripper Attachment:
Cost Breakdown:
BULLDOZER RIPPING WORK
Rip aditional 1220 ft zig zag rd & 1275 ft. slurry line road
Permit Action: TR62 Permit/Job #: C1981012
Agency or organization name: DRMS
Cat D8T - 8SU
3 -Shank Ripper
Ownership Cost /Hour:
Operating Cost/Hour:
Ripper Operating Cost/Hour:
Operator Cost/Hour:
Total Unit Cost/Hour:
$65.28
$102.81
$6.49
$38.49
$213.07
Horsepower: 310
Shift Basis: 1 per day
Data Source: (CRG)
Utilization %
NA
100
100
NA
Abbreviation: None
Filename: C012 -119
Total Fleet Cost/Hour: $213.07
MATERIAL QUANTITIES
Alternate Methods:
Seismic: NA Bank Volume: NA BCY NA
Selected estimating method: Area
Area: 0.80 acres Rip Depth (ft): 1.00 Volume: 1,291 BCY or CCY
Source of estimated quantity: PAP Page 2.05 -7c, Map 12, Map 11 -sheet 1
HOURLY PRODUCTION
Seismic:
Area:
JOB TIME AND COST
Fleet size: 1 Ripper(s)
Unit cost: $386.879 Per acre
Seismic Velocity: NA feet/second
Average Ripping Depth: 2.56 mph
Average Ripping Width: 7.08 degrees
Average Ripping Length: 75.00 feet
Average Dozer Speed: 88.00 feet
Average Maneuver Time: 0.25 feet
Production per unit area: 0.664 acres/hour
Job Condition Correction Factors
Unadjusted Hourly Unit Production: 0.664 Acres/hr
Site Altitude: 7,700 feet
Altitude Adj: 1.00 (CAT HB)
Job Efficiency: 0.83 (1 shift /day)
Net Correction: 0.83 multiplier
Adjusted Hourly Unit Production:
Adjusted Hourly Fleet Production:
0.55 Acres/hr
0.55 Acres/hr
Total job time:
Total job cost: $310.00
1.45 Hours
CIRCES Cost Estimating Software