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Bowie No. 2 Mine Reclamation Cost Estimate RN-3 Page 9 of 299 <br /> <br />BULLDOZER WORK <br /> Task description: Regrade D-Portal Bench Site: Bowie No. 2 Mine Permit Action: Permit Renewal 3 Permit/Job#: C1996083 <br /> <br />PROJECT IDENTIFICATION Task #: 002 State: Colorado Abbreviation: None <br />Date: 1/16/2013 County: Delta Filename: C083-002 <br />User: SLB Agency or organization name: DRMS <br />HOURLY EQUIPMENT COST Basic Machine: Cat D10T - 10SU Horsepower: 574 <br />Blade Type: Semi-Universal <br />Attachment: NA <br />Shift Basis: 1 per day Data Source: (CRG) Cost Breakdown: <br /> Utilization % Ownership Cost/Hour: $99.15 NA <br />Operating Cost/Hour: $183.36 100 Ripper op. Cost/Hour: $0.00 0 <br />Operator Cost/Hour: $37.41 NA Total unit Cost/Hour: $319.93 <br />Total Fleet Cost/Hour: $1,279.71 MATERIAL QUANTITIES Initial Volume: 260,593 <br />Swell factor: 1.165 <br />Loose volume: 303,591 LCY Source of estimated volume: Operator Estimate <br />Source of estimated swell factor: Cat Handbook <br /> <br />HOURLY PRODUCTION Average push distance: 100 feet Unadjusted hourly <br />production: <br />1,718.9 LCY/hr <br /> Materials consistency description: Compacted fill or embankment 0.9 <br /> Average push gradient: 10 % <br />Average site altitude: 6,900 feet <br /> Material weight: 2,900 lbs/LCY <br /> <br />Weight description: Decomposed rock - 50% Rock, 50% Earth Job Condition Correction Factor Source <br />Operator Skill: 0.750 (AVG.)