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Bulldozer Worksheet Cont'd Task# 12A Page 1 of 2 <br /> BULLDOZER WORK <br /> Task description: King I-regrade 6"growth medium on Waste Bank Expansion <br /> Site: King Coal Mine Permit Action: MT9 Permit/Job#: C1981035 <br /> PROJECT IDENTIFICATION <br /> Task#: 12A State: Colorado Abbreviation: None <br /> Date: 4/24/2025 County: La Plata Filename: C035-12A <br /> User: CCW <br /> Agency or organization name: DRMS <br /> HOURLY EQUIPMENT COST <br /> Basic Machine: Cat D8T-8SU <br /> Horsepower: 310 <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: $173.32 NA <br /> Operating Cost/Hour: $109.71 100 <br /> Ripper own. $14.53 NA <br /> Cost/Hour: <br /> Ripper op.Cost/Hour: $0.00 0 <br /> Operator Cost/Hour: $38.59 NA <br /> Total unit Cost/Hour: $336.15 <br /> Total Fleet Cost/Hour: $336.15 <br /> MATERIAL QUANTITIES <br /> Initial Volume: 2,139 <br /> Swell factor: 1.000 <br /> Loose volume: 2,139 LCY <br /> Source of estimated volume: 2.6 acres,6"depth <br /> Source of estimated swell Cat Handbook <br /> factor: <br /> HOURLY PRODUCTION <br /> Average push distance: 100 feet <br /> Unadjusted hourly 852.6 LCY/hr <br /> production: <br /> Materials consistency description: Loose stockpile 1.2 <br /> Average push -10% <br /> gradient: <br /> Average site altitude: 7,400 feet <br /> Material weight: 2,900 lbs/LCY <br /> Weight description: Decomposed rock-50%Rock,50%Earth <br /> Job Condition Correction Factor Source <br />