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Demo Worksheet Cont'd Task#TTT Page 10 of 141 <br /> MOTOR GRADER WORK <br /> Task description: King I-rip and final grade lower facilities area <br /> Site: King Coal Mine Permit Action: RN8 Permit/Job#: C1981035 <br /> PROJECT IDENTIFICATION <br /> Task#: 010 State: Colorado Abbreviation: None <br /> Date: 3/15/2022 County: La Plata Filename: C035-10 <br /> User: JHB <br /> Agency or organization name: DRMS <br /> HOURLY EQUIPMENT COST <br /> Basic Machine: CAT 12M Horsepower: 158 <br /> Ripper Attachment: Multi-Shank Ripper Shift Basis: 1 per day <br /> Data Source: (CRG) <br /> Cost Breakdown: <br /> Utilization% <br /> Ownership Cost/Hour: $47.01 NA <br /> Operating Cost/Hour: $37.67 100 <br /> Ripper Ownership Cost/Hour: $2.95 NA <br /> Ripper Operating Cost/Hour: $3.40 100 <br /> Operator Cost/Hour: $28.56 NA <br /> Total Unit Cost/Hour: $119.59 <br /> Total Fleet Cost/Hour: $119.59 <br /> MATERIAL QUANTITIES <br /> Total Area to be graded or ripped: 1.18 acres <br /> Source of estimated acreage: TR-9 submittal <br /> HOURLY PRODUCTION <br /> Average Grader Speed: 1.25 mph <br /> Selected Application: Production Deration- 1.25 <br /> Selected Blade Angle: 30 degrees <br /> Effective Blade Length: 10.40 feet <br /> Width of blade overlap per pass: 2.00 feet <br /> Net grading or ripping width per pass: 8.40 feet <br /> Unadjusted Hourly Unit Production: 1.2727 acres/hour <br /> Job Condition Correction Factors Site Altitude: 7400 feet <br /> Source <br /> Altitude Adj: 1.00 (CAT HB) <br /> Job Efficiency: 0.85 (1sh/d,mod.) <br /> Net Correction: 0.8500 multiplier <br /> Adjusted Hourly Unit Production: 1.0818 acres/Hour <br /> Adjusted Hourly Fleet Production: 1.0818 acres/Hour <br /> JOB TIME AND COST <br /> Fleet size: 1 Grader(s) Total job time: 1.09 Hours <br /> CIRCES Cost Estimating Software <br />