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Bulldozer Worksheet Cont’d Task # 001 Page 1 of 2 <br /> <br />BULLDOZER WORK <br /> <br />Task description: Grade waste rock to highwall Site: McKenna Limestone Quarry Permit Action: 2024 Inspection Permit/Job#: M2000039 <br /> <br />PROJECT IDENTIFICATION Task #: 001 State: Colorado Abbreviation: None <br />Date: 11/1/2024 County: Huerfano Filename: 1 <br />User: AMG <br />Agency or organization name: DRMS <br /> <br />HOURLY EQUIPMENT COST <br />Basic Machine: Cat D7R DS XR Series II <br />Horsepower: 240 <br />Blade Type: Semi-Universal <br />Attachment: 3-shank ripper <br />Shift Basis: 1 per day <br />Data Source: (CRG) Cost Breakdown: <br /> Utilization % <br />Ownership Cost/Hour: $90.24 NA <br />Operating Cost/Hour: $78.95 100 <br />Ripper own. <br />Cost/Hour: $9.25 NA <br />Ripper op. Cost/Hour: $0.00 0 <br />Operator Cost/Hour: $38.59 NA Total unit Cost/Hour: $217.03 <br />Total Fleet Cost/Hour: $217.03 <br /> <br />MATERIAL QUANTITIES Initial Volume: 4,500 <br />Swell factor: 1.000 <br />Loose volume: 4,500 LCY Source of estimated volume: Division of Reclamation, Mining & Safety <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 />518.9 LCY/hr <br /> <br />Materials consistency description: Rock, avg. ripped or blasted 0.7 <br /> <br />Average push <br />gradient: <br />0 % <br />Average site altitude: 6,000 feet <br /> <br />Material weight: 3,300 lbs/LCY <br /> <br />Weight description: Decomposed rock - 75% Rock, 25% Earth <br />Job Condition Correction Factor Source <br />Operator Skill: 0.750 (AVG.)