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BULLDOZER WORK <br /> <br />Task description: <br />Breach Impoundment in Area 1 <br /> <br />Permit Action: <br />Robinson Sons Gravel Pit No. <br />Site: June 9, 2021 Cost Permit/Job#: M2008076 <br />1 <br /> <br />PROJECT IDENTIFICATION <br /> <br />Task #:004 State: Colorado Abbreviation: None <br />Date:6/15/2021 County: Las Animas Filename: M076-004 <br />User:DC1 <br /> <br />DRMS <br />Agency or organization name: <br /> <br />HOURLY EQUIPMENT COST <br /> <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 /> <br />Cost Breakdown: <br /> Utilization % <br />Ownership Cost/Hour: $156.88 NA <br />Operating Cost/Hour: $127.87 100 <br />Ripper own. Cost/Hour: $15.59 NA <br />Ripper op. Cost/Hour: $1.53 15 <br />Operator Cost/Hour: $41.30 <br />NA <br /> <br />Total unit Cost/Hour: $343.17 <br />Total Fleet Cost/Hour: <br />$343.17 <br /> <br />MATERIAL QUANTITIES <br /> <br />Initial Volume:1,200 <br />Swell factor:1.000 <br />Loose volume:1,200 LCY <br /> <br />Source of estimated volume: 350 feet of pit wall, about 10 feet deep, Angle of Repose <br />Source of estimated swell factor: Cat Handbook <br /> <br />HOURLY PRODUCTION <br /> <br />Average push distance: 50 feet <br />Unadjusted hourly production: 2,110.5 LCY/hr <br /> <br />Materials consistency description: Compacted fill or embankment 0.9 <br /> <br />Average push gradient: 5 % <br />Average site altitude: 7,000 feet <br /> <br />Material weight: 2,650 lbs/LCY <br /> <br />Weight description: Decomposed rock - 25% Rock, 75% Earth <br /> <br />Job Condition Correction Factor Source <br />Operator Skill: 0.750 (AVG.) <br />Material consistency: 0.900 (CAT HB)) <br />Dozing method: 1.200 (SLOT) <br />Visibility: 1.000 (AVG.) <br />Job efficiency: 0.830 (1 SHIFT/DAY) <br /> <br />