2012-10-29_REVISION - C1981012

• Permit No: C1981012
• IBM Index Class Name: REVISION
• Doc Date: 10/29/2012
• Doc Name: Cost Estimate ‎(Part 2 of 2)‎
• From: DRMS
• To: Ron Thompson - New Elk Coal Company
• Type & Sequence: MT6
• Email Name: JHB
• Email Name: DIH
• Media Type: D
• Archive: No

BULLDOZER RIPPING WORK
Task description: Rip DWDA Expansion Area MR112
Site: New Elk Mine Permit Action: 2011 Midterm Review Permit /Job #: C1981012
PROJECT IDENTIFICATION
Task #: 140 State: Colorado
Date: 10/23/2012 County: Las Animas
User: JHB
Agency or organization name: DBMS
HOURLY EQUIPMENT COST
Basic Machine: Cat D9T - 9SU
Ripper Attachment: 1 -Shank Ripper
Cost Breakdown:
Abbreviation: None
Filename: CO 12 -140
Horsepower: 405
Shift Basis: 1 per day
Data Source: (CRG)
CIRCES Cost Estimating Software
Utilization %
Ownership Cost /Hour:
$81.85
NA
Operating Cost/Hour:
$140.68
100
Ripper Operating Cost/Hour:
$9.64
100
Operator Cost/Hour:
$38.49
NA
Total Unit Cost/Hour:
$270.66
Total Fleet Cost /Hour:
$270.66
MATERIAL QUANTITIES
Selected estimating method: Area
Alternate Methods:
Seismic: NA Bank Volume: NA
BCY NA
Area: 0.60 acres Rip Depth (ft): 2.00
Volume: 1,936 BCY or CCY
Source of estimated quantity:
Operator Estimate
HOURLY PRODUCTION
Seismic:
Seismic Velocity:
NA
feet/second
Area:
Average Ripping Depth:
4.05
mph
Average Ripping Width:
6.08
degrees
Average Ripping Length:
100.00
feet
Average Dozer Speed:
88.00
feet
Average Maneuver Time:
0.25
feet
Production per unit area:
0.604
acres/hour
Job Condition Correction Factors
Unadjusted Hourly Unit Production:
0.604
Acres /hr
Site Altitude:
7,500
feet
Altitude Adj:
1.00
(CAT HB)
Job Efficiency:
0.83
(1 shift /day)
Net Correction:
0.83
multiplier
Adjusted Hourly Unit Production:
0.50
Acres/hr
Adjusted Hourly Fleet Production:
0.50
Acres/hr
JOB TIME AND COST
Fleet size: 1 Grader(s)
Total job time:
1.20 Hours
Unit cost: $539.829 Per acre
Total job cost:
$324.00
CIRCES Cost Estimating Software