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Bulldozer Worksheet Cont’d Task # 035 Page 1 of 2 <br /> <br /> <br />BULLDOZER WORK <br /> <br />Task description: Regrade Prospect Pond <br />Site: Colowyo Coal Mine Permit Action: RN8 Permit/Job#: C1981019 <br /> <br />PROJECT IDENTIFICATION <br />Task #: 035 State: Colorado Abbreviation: None <br />Date: 8/17/2022 County: Moffat Filename: C019-035 <br />User: ZTT <br />Agency or organization name: DRMS <br /> <br />HOURLY EQUIPMENT COST <br />Basic Machine: Cat D9T - 9SU <br />Horsepower: 405 <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: $146.30 NA <br />Operating Cost/Hour: $141.41 100 <br />Ripper own. Cost/Hour: $17.01 NA <br />Ripper op. Cost/Hour: $2.21 25 <br />Operator Cost/Hour: $41.30 NA <br />Total unit Cost/Hour: $348.23 <br />Total Fleet Cost/Hour: $348.23 <br /> <br />MATERIAL QUANTITIES <br />Initial Volume: 10,291 <br />Swell factor: 1.165 <br />Loose volume: 11,989 LCY <br />Source of estimated volume: Division of Reclamation, Mining & Safety <br />Source of estimated swell factor: Cat Handbook <br /> <br />HOURLY PRODUCTION <br />Average push distance: 150 feet <br />Unadjusted hourly production: 910.5 LCY/hr <br /> <br />Materials consistency description: Compacted fill or embankment 0.9 <br /> <br />Average push gradient: 5 % <br />Average site altitude: 7,600 feet <br /> <br />Material weight: 2,900 lbs/LCY <br /> <br />Weight description: Decomposed rock - 50% Rock, 50% Earth <br />Job Condition Correction Factor Source <br />Operator Skill: 0.900 (AB.AVG.) <br />Material consistency: 0.900 (CAT HB)) <br />Dozing method: 1.000 (GEN.) <br />Visibility: 1.000 (AVG.)