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Page 37 of 371 <br /> <br />CIRCES Cost Estimating Software <br /> <br />BULLDOZER WORK <br /> <br />Task description: Backfill and Regrade B-Seam Portal Bench <br />Site: Bowie No. 2 Mine Permit Action: Post SL1 Permit/Job#: C1996083 <br /> <br />PROJECT IDENTIFICATION <br />Task #: 015 State: Colorado Abbreviation: None <br />Date: 4/11/2016 County: Delta Filename: C083-015 <br />User: JDM <br />Agency or organization name: DRMS <br /> <br />HOURLY EQUIPMENT COST <br />Basic Machine: Cat D10T - 10SU <br />Horsepower: 574 <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: $145.42 NA <br />Operating Cost/Hour: $173.02 100 <br />Ripper op. Cost/Hour: $11.02 100 <br />Operator Cost/Hour: $38.89 NA <br />Total unit Cost/Hour: $368.35 <br />Total Fleet Cost/Hour: $1,473.41 <br /> <br />MATERIAL QUANTITIES <br />Initial Volume: 32,000 <br />Swell factor: 1.165 <br />Loose volume: 37,280 LCY <br />Source of estimated volume: Operator Estimate <br />Source of estimated swell <br />factor: <br />Cat Handbook <br /> <br />HOURLY PRODUCTION <br />Average push distance: 150 feet <br />Unadjusted hourly <br />production: <br />1,243.2 LCY/hr <br /> <br />Materials consistency description: Compacted fill or embankment 0.9 <br /> <br />Average push <br />gradient: <br />20 % <br />Average site altitude: 6,750 feet <br /> <br />Material weight: 2,900 lbs/LCY <br /> <br />Weight description: Decomposed rock - 50% Rock, 50% Earth