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BULLDOZER WORK <br />Task description <br />Site: King Coal Mine <br />King I - regrade cover of pre -law portion of refuse area <br />Permit Action: Permit Renewal 6 Permit /Job #: C1981035 <br />PROJECT IDENTIFICATION <br />Task #: 012 State <br />Date: 4/20/2012 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 />Shift Basis: 1 per day <br />Data Source: (CRG) <br />Cost Breakdown <br />Utilization % <br />Ownership Cost/Hour: <br />$65.28 <br />NA <br />Operating Cost/Hour: <br />$102.81 <br />100 <br />Ripper op. Cost/Hour: <br />$0.00 <br />0 <br />Operator Cost/Hour: <br />$38.49 <br />NA <br />Total unit Cost/Hour: $206.58 <br />Total Fleet Cost/Hour: $206.58 <br />MATERIAL QUANTITIES <br />Initial Volume: 3,275 <br />Swell factor: 1.000 <br />Loose volume: 3,275 LCY <br />Source of estimated volume: 0.58 acres, 3.5' <br />Source of estimated swell Cat Handbook <br />factor: <br />HOURLY PRODUCTION <br />Average push distance <br />Unadjusted hourly <br />production: <br />100 feet <br />852.6 LCY/hr <br />Materials consistency description: Loose stockpile 1.2 <br />Average push gradient <br />Average site altitude: <br />Material weight <br />0% <br />7,400 feet <br />2.900 lbs/LCY <br />Abbreviation: None <br />Filename: 0035 -012 <br />Weight description: Decomposed rock - 50% Rock, 50% Earth <br />Job Condition Correction Factor Source <br />Operator Skill: 0.750 (AVG.) <br />