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BULLDOZER WORK <br />Site: <br />Task description: King I - backfill and regrade east and west sediment ponds <br />King Coal Mine Permit Action: Permit Renewal 6 Pennit/Job #: C1981035 <br />PROJECT IDENTIFICATION <br />Task #: 023 State <br />Date: 4/22/2012 County <br />User: SLB <br />Colorado <br />La Plata <br />Agency or organization name: DRMS <br />HOURLY EOt <br />Basic Machine: <br />Horsepower: <br />Blade Type: <br />Attachment: <br />Shift Basis: <br />Data Source: <br />Cost Breakdown <br />APMENT COST <br />Cat D8T - 8SU <br />310 <br />Semi - Universal <br />3 -shank ripper <br />1 per day <br />(CRG) <br />Total unit Cost/Hour: $206.58 <br />Total Fleet Cost/Hour: $206.58 <br />MATERIAL QUANTITIES <br />Source <br />Initial Volume: <br />Utilization % <br />Ownership Cost/Hour: <br />$65.28 <br />Loose volume: <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 />Source <br />Initial Volume: <br />3,226 <br />Swell factor: <br />1.165 <br />Loose volume: <br />3,758 LCY <br />Source of estimated volume: Operator estimate <br />Source of estimated swell Cat Handbook <br />factor: <br />HOURLY PRODUCTION <br />Average push distance: <br />Unadjusted hourly <br />production: <br />75 feet <br />1,017.1 LCY /hr <br />Materials consistency description: Compacted fill or embankment 0.9 <br />Average push gradient: 0% <br />Average site altitude: 7,400 feet <br />Material weight: 2,900 lbs/LCY <br />Weight description: Decomposed rock - 50% Rock, 50% Earth <br />Abbreviation: None <br />Filename: CO35 -023 <br />Job Condition Correction Factor <br />Source <br />Operator Skill: 0.750 <br />(AVG.) <br />Material consistency: 0.900 <br />(CAT HB)) <br />Dozing method: 1.000 <br />(GEN.) <br />