2011-06-28_REVISION - C1981044

• Permit No: C1981044
• IBM Index Class Name: REVISION
• Doc Date: 6/28/2011
• Doc Name: 2011 Midterm Review Findings Document
• From: DRMS
• To: Moffat County Mining, LLC
• Type & Sequence: MT6
• Email Name: JRS
• Email Name: SB1
• Media Type: D
• Archive: No

BULLDOZER RIPPING WORK
Task description: Rip Portal No. 5A Lower Bench
Site: Williams Fork Mines Permit Action: 2011 Midterm Review. Pennit/Job #: C1981044
PROJECT IDENTIFICATION
Task #: 023 State: Colorado
Date: 23- Jun -11 County: Moffat
User: JRS
Cost Breakdown:
Agency or organization name: DRMS
HOURLY EQUIPMENT COST
Basic Machine: Cat D1OR - 10SU (2005)
Ripper Attachment: 1 -Shank Ripper
Ownership Cost/Hour: $80.89
Operating Cost/Hour: $147.96
Ripper Operating Cost/Hour: $11.24
Operator Cost/Hour: $38.49
Total Unit Cost/Hour: $278.58
Total Fleet Cost/Hour: $1,114.32
MATERIAL QUANTITIES
Alternate Methods:
Seismic: NA Bank Volume: NA BCY NA
Area: 5 acres Rip Depth (ft): 1.50 Volume: 11,253 BCY or CCY
Source of estimated quantity: Page 2.05.4 -22R
HOURLY PRODUCTION
Seismic:
Area:
Seismic Velocity:
Average Ripping Depth:
Average Ripping Width:
Average Ripping Length:
Average Dozer Speed:
Average Maneuver Time:
Production per unit area:
Job Condition Correction Factors
Unadjusted Hourly Unit Production:
Site Altitude: 5,400 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: 2.44 Acres/hr
JOB TIME AND COST
Fleet size: 4 Grader(s) Total job time: 1.90 Hours
Unit cost: $456.025 Per acre
Utilization %
NA
100
100
NA
Selected estimating method: Area
Horsepower: 570
Shift Basis: 1 per day
Data Source: (CRG)
NA feet/second
4.49 mph
6.74 degrees
200.00 feet
88.00 feet
0.25 feet
0.736 acres/hour
0.736 Acres /hr
Total job cost: $2,121.00
Abbreviation: None
Filename: C044 -023
CIRCES Cost Estimating Software