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Page 84 of 116 <br />BULLDOZER WORK <br />Task description: King II - grade portal cuts, access roads, water tank pad <br />Site: King Coal Mine Permit Action: Permit Renewal 6 Pennit/Job #: C1981035 <br />PROJECT IDENTIFICATION <br />Task #: 304 State <br />Date: 4/23/2012 County <br />User: SLB <br />Colorado <br />La Plata <br />Agency or organization name: DRMS <br />HOURLY EQUIPMENT COST <br />Basic Machine: Cat D8T - 8SU <br />Horsepower: 310 <br />Blade Type: Semi - Universal <br />Attachment: 3 -shank ripper <br />Map King II -0070 <br />Shift Basis: 1 per day <br />Cat Handbook <br />Data Source: (CRG) <br />Cost Breakdown <br />Average push distance: <br />50 feet <br />Utilization % <br />Ownership Cost/Hour: $65.28 <br />production: <br />NA <br />Operating Cost/Hour: $102.81 <br />Consolidated stockpile 1.0 <br />100 <br />Ripper op. Cost/Hour: $0.00 <br />0 <br />Operator Cost/Hour: $38.49 <br />NA <br />Total unit Cost/Hour: $206.58 <br />Total Fleet Cost/Hour: $206.58 <br />MATERIAL QUANTITIES <br />Initial Volume: 16,562 <br />Swell factor: 1.165 <br />Loose volume: 19,295 LCY <br />Source of estimated volume: <br />Map King II -0070 <br />Source of estimated swell <br />Cat Handbook <br />factor: <br />HOURLY PRODUCTION <br />Average push distance: <br />50 feet <br />Unadjusted hourly <br />1,400.0 LCY /hr <br />production: <br />Materials consistency description: <br />Consolidated stockpile 1.0 <br />Average push gradient: 5% <br />Average site altitude: 7,500 feet <br />Material weight: 2,900 lbs/LCY <br />Weight description: Decomposed rock - 50% Rock, 50% Earth <br />Job Condition Correction Factor Source <br />Operator Skill: 0.750 (AVG.) <br />Abbreviation: None <br />Filename: CO35 -304 <br />CIRCES Cost Estimating Software <br />