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Scraper Worksheet Cont'd Task # 009 Page 20 of 161 <br />BULLDOZER RIPPING WORK <br />Task description: Rip Cover Material at RDA for DWP <br />Site: New Elk Mine Permit Action: 2011 Midterm Review Permit/Job #: C1981012 <br />PROJECT IDENTIFICATION <br />Task #: 011 State: Colorado <br />Date: 7/14/2011 County: Las Animas <br />User: JDM <br />Agency or organization name: DRMS <br />HOURLY EQUIPMENT COST <br />Basic Machine: Cat D9R - 9SU (2005) <br />Ripper Attachment: 1 -Shank Ripper <br />Abbreviation: None <br />Filename: C012 -011 <br />Horsepower: 405 <br />Shift Basis: 1 per day <br />Data Source: (CRG) <br />Cost Breakdown: <br />3,000 <br />feet/second <br />Area: <br />Utilization % <br />Ownership Cost/Hour: <br />$58.82 <br />Average Ripping Width: <br />NA <br />Operating Cost/Hour: <br />$110.89 <br />NA <br />100 <br />Ripper Operating Cost/Hour: <br />$9.49 <br />feet <br />100 <br />Operator Cost/Hour: <br />$38.49 <br />Production per unit area: <br />NA <br />Total Unit Cost/Hour: <br />$217.69 <br />Total Fleet Cost/Hour: <br />$653.08 <br />1,820.80 <br />MATERIAL QUANTITIES <br />Selected estimating <br />method: Seismic <br />Alternate Methods: <br />Altitude Adj: <br />1.00 <br />Seismic: 4,444 BCY Bank Volume: <br />4,444 <br />BCY Midrange <br />Area: NA acres Rip Depth (ft): NA <br />Volume: NA BCY or CCY <br />Source of estimated quantity: <br />multiplier <br />Adjusted Hourly Unit Production: <br />1,511.26 <br />Cu. yds. /hr <br />HOURLY PRODUCTION <br />4,533.79 <br />Cu. yds./hr <br />Seismic: <br />Seismic Velocity: <br />3,000 <br />feet/second <br />Area: <br />Average Ripping Depth: <br />NA <br />mph <br />Average Ripping Width: <br />NA <br />degrees <br />Average Ripping Length: <br />NA <br />feet <br />Average Dozer Speed: <br />NA <br />feet <br />Average Maneuver Time: <br />NA <br />feet <br />Production per unit area: <br />NA <br />acres /hour <br />Job Condition Correction Factors <br />Unadjusted Hourly Unit Production: <br />1,820.80 <br />Cu. yds. /hr <br />Site Altitude: <br />7,500 <br />feet <br />Altitude Adj: <br />1.00 <br />(CAT HB) <br />Job Efficiency: <br />0.83 <br />(1 shift/day) <br />Net Correction: <br />0.83 <br />multiplier <br />Adjusted Hourly Unit Production: <br />1,511.26 <br />Cu. yds. /hr <br />Adjusted Hourly Fleet Production: <br />4,533.79 <br />Cu. yds./hr <br />JOB TIME AND COST <br />Fleet size: 3 Grader(s) <br />Total job time: <br />0.98 Hours <br />CIRCES Cost Estimating Software <br />