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BULLDOZER WORK <br /> Task description: Grade Highwall to 3H:1V <br /> Site: Tomahawk Mine Permit Action: 2023 Inspection Permit/Job#: M1991003 <br /> PROJECT IDENTIFICATION <br /> Task#: 001 State: Colorado Abbreviation: None <br /> Date: 11/2/2023 County: Pueblo Filename: 001 <br /> User: AMG <br /> Agency or organization name: DRMS <br /> HOURLY EQUIPMENT COST <br /> Basic Machine: Cat D7R DS Series II LGP <br /> Horsepower: 240 <br /> Blade Type: Straight <br /> Attachment: 3-shank ripper <br /> Shift Basis: 1 per day <br /> Data Source: (CRG) <br /> Cost Breakdown: <br /> Utilization% <br /> Ownership Cost/Hour: $114.76 NA <br /> Operating Cost/Hour: $91.98 100 <br /> Ripper own. $9.06 NA <br /> Cost/Hour: <br /> Ripper op. Cost/Hour: $2.51 50 <br /> Operator Cost/Hour: $40.04 NA <br /> Total unit Cost/Hour: $258.35 <br /> Total Fleet Cost/Hour: $258.35 <br /> MATERIAL QUANTITIES <br /> Initial Volume: 1,536 <br /> Swell factor: 1.430 <br /> Loose volume: 2,196 LCY <br /> Source of estimated volume: 400 ft of highwall 20 feet vertical <br /> Source of estimated swell Cat Handbook <br /> factor: <br /> HOURLY PRODUCTION <br /> Average push distance: 80 feet <br /> Unadjusted hourly 575.0 LCY/hr <br /> production: <br /> Materials consistency Compacted fill or embankment 0.9 <br /> description: <br /> Average push -5 % <br /> gradient: <br /> Average site altitude: 5,500 feet <br /> Material weight: 3,300 lbs/LCY <br /> Weight description: Decomposed rock-75%Rock,25%Earth <br />