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Coal Ridge No. 1 Mine C1984065: MT7 <br />BULLDOZER WORK <br />Task description: Bachfill Sediment Pond A <br />Site: Coal Ridge No. 1 Mine <br />PROJECT IDENTIFICATION <br />Task #: 006 <br />Date: 4/8/2014 <br />User: SLB <br />Permit Action: Midterm Review 7 <br />State: Colorado <br />County: Garfield <br />Agency or organization name: DRMS <br />April 14, 2014 <br />Permit /Job #: C1984065 <br />Abbreviation: None <br />Filename: 065 -006 <br />HOURLY EQUIPMENT COST <br />Initial Volume: <br />Basic Machine: Cat D9T - 9SU <br />Swell factor: <br />1.165 <br />Horsepower: 405 <br />12,565 LCY <br />Source of estimated volume: Plate 4 -1 <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: <br />$69.88 <br />NA <br />Operating Cost/Hour: <br />$142.13 <br />100 <br />Ripper op. Cost/Hour: <br />$0.00 <br />0 <br />Operator Cost/Hour: <br />$37.41 <br />NA <br />Total unit Cost/Hour: $249.42 <br />Total Fleet Cost/Hour: <br />$249.42 <br />MATERIAL QUANTITIES <br />Initial Volume: <br />10,785 <br />Swell factor: <br />1.165 <br />Loose volume: <br />12,565 LCY <br />Source of estimated volume: Plate 4 -1 <br />Source of estimated swell factor: Cat Handbook <br />HOURLY PRODUCTION <br />Average push distance: <br />Unadjusted hourly production: <br />100 feet <br />1243.2 LCY/hr <br />Materials consistency description: Compacted fill or embankment 0.9 <br />Average push gradient <br />Average site altitude: <br />Material weight: <br />-10% <br />5,700 feet <br />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 />Page 12 of 28 <br />