2011-10-09_REVISION - C1980007 (2)

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BULLDOZER RIPPING WORK Task description: Rip roads and well pads in MR -342 Site: West Elk Mine PROJECT IDENTIFICATION Task #: 752 State: Colorado Date: 7/5/2011 County: Gunnison User: TAK HOURLY EQUIPMENT COST Basic Machine: Cat D9R - 9SU (2005) Ripper Attachment: 3 -Shank Ripper Cost Breakdown: Agency or organization name: DRMS Ownership Cost/Hour: Operating Cost/Hour: Ripper Operating Cost/Hour: Operator Cost/Hour: Total Unit Cost/Hour: Total Fleet Cost/Hour: $854.35 MATERIAL QUANTITIES Selected estimating method: Area Alternate Methods: Seismic: NA Bank Volume: NA BCY NA Area: 7 acres Rip Depth (ft): 2.00 Volume: 22,070 BCY or CCY HOURLY PRODUCTION Seismic: Area: Source of estimated quantity: MR -342: 0.84 acres of roads + 6 acres of well pads Job Condition Correction Factors Unadjusted Hourly Unit Production: 0.646 Acres /hr Adjusted Hourly Unit Production: Adjusted Hourly Fleet Production: JOB TIME AND COST Fleet size: 4 Grader(s) Total job time: 3.19 Hours Unit cost: $398.588 Per acre Permit Action: Permit Renewal RN- 06 Permit/Job #: C1980007 $57.16 $110.89 $7.05 $38.49 $213.59 Horsepower: 405 Shift Basis: 1 per day Data Source: (CRG) Utilization % NA 100 100 NA Seismic Velocity: NA feet/second Average Ripping Depth: 1.00 mph Average Ripping Width: 7.67 degrees Average Ripping Length: 50.00 feet Average Dozer Speed: 88.00 feet Average Maneuver Time: 0.25 feet Production per unit area: 0.646 acres /hour Site Altitude: 6,300 feet Altitude Adj: 1.00 (CAT HB) Job Efficiency: 0.83 (1 shift/day) Net Correction: 0.83 multiplier 0.54 Acres /hr 2.14 Acres /hr Abbreviation: None Total job cost: $2,726.00 Filename: C007 -752 CIRCES Cost Estimating Software