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King Mines C1981035 Midterm Review No. 7 <br />HYDRAULIC EXCAVATOR WORK <br />Task description: Clean sediment ponds (two cleanings) <br />Site: King Coal Mine Permit Action: Midterm Review No. 7 Permit/Job#: C1981035 <br />PROJECT IDENTIFICATION <br />Task #: 064 <br />Date: 2/11/2015 <br />User: SLB <br />State: Colorado <br />County: La Plata <br />Agency or organization name: DRMS <br />HOURLY EQUIPMENT COST <br />Basic Machine: Cat 312D L 9'-2" Stick <br />Attachment 1: ROPS Cab <br />Cost Breakdown: <br />Total Fleet Cost/Hour: $79.47 <br />MATERIAL QUANTITIES <br />Initial volume: 6,453 CCY <br />Loose volume: 7,324 LCY <br />Page 60 of 123 <br />Abbreviation: None <br />Filename: C035-064 <br />Horsepower: <br />Utilization % <br />Ownership Cost/Hour: <br />$20.89 NA <br />Operating Cost/Hour: <br />$30.41 100 <br />Operator Cost/Hour: <br />$28.17 NA <br />Total Unit Cost/Hour: <br />$79.47 <br />Total Fleet Cost/Hour: $79.47 <br />MATERIAL QUANTITIES <br />Initial volume: 6,453 CCY <br />Loose volume: 7,324 LCY <br />Page 60 of 123 <br />Abbreviation: None <br />Filename: C035-064 <br />Horsepower: <br />90 <br />Weight (MT): <br />13.48 <br />Shift Basis: <br />1 per day <br />Data Source: <br />(CRG) <br />Swell factor: 1.135 <br />Source of estimated volume: 2 pond cleanings, 2 ac ft per cleanout <br />Source of estimated swell factor: Cat Handbook <br />HOURLY PRODUCTION <br />Excavator Cycle Time (load bucket, swing loaded, dump bucket, swine emntv): <br />Basic Job Condition Description: <br />Secondary Job Condition within Basic Description: <br />Cycle Time Value: <br />Load Bucket Capacity <br />AVERAGE <br />AVERAGE <br />0.256 minutes <br />Bucket Size Class: Medium <br />Rated Capacity: 0.68 LCY (heaped) <br />Bucket Fill Factor: 0.850 Hard, tough clay (80% - 90%) 0.850 <br />Adjusted Capacity: 0.58 LCY <br />Job Condition Correction Factors <br />Source <br />Altitude Adj: 1.00 (CAT HB) <br />Job Efficiency: 0.83 (1 shift/day) <br />Net Correction: 0.83 multiplier <br />Unadjusted Hourly Unit Production: <br />Adjusted Hourly Unit Production: <br />Adjusted Hourly Fleet Production: <br />JOB TIME AND COST <br />Site Altitude: 7500 feet <br />135.47 LCY/Hour <br />112.44 LCY/Hour <br />112.44 LCY/Hour <br />Fleet size: 1 Excavator Total job time: 65.14 Hours <br />