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Page 1 of 2 <br />BULLDOZER WORK <br />Task description: Backfill and Regrade Elk Creek Facilities Area <br />Permit Action: MT-06 - Backfilling <br />and Rough Grading <br />Site: Elk Creek Mine Tasks Permit/Job#: C1981022 <br />PROJECT IDENTIFICATION <br />Task #: 001 State: Colorado <br />Date: 12-Apr-11 County: Delta <br />User: JRS <br />Agency or organization name <br />DRMS <br />HOURLY EQUIPMENT COST <br /> <br />Basic Machine: Cat DIOR - IOS U (2005) <br />Horsepower: 570 <br />Blade Type: Semi-Universal <br />Attachment: NA <br />Shift Basis: 1 per day <br />Data Source: (CRG) <br />Cost Breakdown: <br /> Utilization % <br />Ownership Cost/Hour: $68.88 NA <br />Operating Cost/Hour: $147.96 100 <br />Ripper op. Cost/Hour: $0.00 0 <br />Operator Cost/Hour: $38.49 NA <br />Total unit Cost/Hour: $255.34 <br />Total Fleet Cost/Hour: $766.01 <br />MATERIAL QUANTITIES <br />Initial Volume: 120,000 <br />Swell factor: 1.165 <br />Loose volume: 139,800 LCY <br />Source of estimated volume: Appendix K <br />Source of estimated swell factor: Cat Handbook <br />HOURLY PRODUCTION <br />Average push distance: <br />Unadjusted hourly production: <br />400 feet <br />497.3 LCY/hr <br />Materials consistency description: Compacted fill or embankment 0.9 <br />Average push gradient: 5% <br />Average site altitude: 6,150 feet <br />Material weight: 2,900 lbs/LCY <br />Weight description: Decomposed rock - 50% Rock, 50% Earth <br />Abbreviation: None <br />Filename: C022-001 <br />CIRCES Cost Estimating Software