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Bulldozer Worksheet Cont'd Task#001A Page 1 of 2 <br /> BULLDOZER WORK <br /> Task description: Backfill and grade 1000'x 45'HW to 3H:1V Slope <br /> Site: Pino Pit Permit Action: TR2 Permit/Job#: M2000118 <br /> PROJECT IDENTIFICATION <br /> Task#: 001A State: Colorado Abbreviation: None <br /> Date: 1/5/2026 County: Huerfano Filename: M118-001a <br /> User: AMG <br /> Agency or organization name: DRMS <br /> HOURLY EQUIPMENT COST <br /> Basic Machine: Cat D7R DS XR Series 11 <br /> Horsepower: 240 <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: $97.39 NA <br /> Operating Cost/Hour: $80.69 100 <br /> Ripper own. $9.58 NA <br /> Cost/Hour: <br /> Ripper op.Cost/Hour: $1.42 25 <br /> Operator Cost/Hour: $38.02 NA <br /> Total unit Cost/Hour: $227.09 <br /> Total Fleet Cost/Hour: $454.18 <br /> MATERIAL QUANTITIES <br /> Initial Volume: 19,775 <br /> Swell factor: 1.125 <br /> Loose volume: 22,247 LCY <br /> Source of estimated volume: DRMS 45'deep 1000'long highwall near vertical <br /> Source of estimated swell Cat Handbook <br /> factor: <br /> HOURLY PRODUCTION <br /> Average push distance: 150 feet <br /> Unadjusted hourly 518.9 LCY/hr <br /> production: <br /> Materials consistency description: Consolidated stockpile 1.0 <br /> Average push -20% <br /> gradient: <br /> Average site altitude: 6,100 feet <br /> Material weight: 2,6501bs/LCY <br /> Weight description: Decomposed rock-25%Rock,75%Earth <br /> Job Condition Correction Factor Source <br /> Operator Skill: 0.750 (AVG.) <br />