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Page 7 of 115 <br />BULLDOZER RIPPING WORK <br />Taskdescription: Rip 29,458' ofCollom Haul Road <br />Site: Colowyo Coal Mne Permit Action: 13C (RN7) Permit/Job#: 0981019 <br />PROJECT IDENTIFICATION <br />Task#: 003 State: Colorado <br />Date: 5/16/2018 County: Moffat <br />Us er: ZTT <br />Ag ency or org anization name: DRMS <br />HOURLY EQUIPMENT COST <br />Basic Machine: OBSOLETE - Cat Dl lR - <br />11 SU <br />Ripper Attachment: 1-ShankRipper <br />Cost Breakdown: <br />Ownership Cost/Hour <br />Operating Cost/Hour: <br />RipperOwnership Cost/Hour: <br />Ripper Operating Cost/Hour: <br />Operator Cos t/Hour: <br />Total Unit Cost/Hour: <br />Abbreviation: None <br />Filename: C019-003 <br />Horsepower: <br />Shift Basis : <br />Data Source: <br />Utilization % <br />$220.12 1 NA <br />$11.30 1 100 <br />$41.85 NA <br />$530.75 <br />Total Fleet Cost/Hour: $1,061.49 <br />MATERIAL QUANTITIES Selected estimating method: <br />Alternate Methods: <br />Seismic: NA Bank Volume: NA <br />Area: 18.90 acres Rip Depth (ft): 1.50 <br />Source ofestimatedquantity: Table 7 Exh. 13B -T-20 <br />HOURLY PRODUCTION <br />Seismic: <br />Area <br />850 <br />1 per day <br />(CRG) <br />BCY NA <br />Volume: 45,738 BCY orCCY <br />Seismic Velocity: <br />NA <br />feet/second <br />Area: <br />AverageRipping Depth: <br />3.00 <br />mph <br />AverageRipping Width: <br />7.94 <br />degrees <br />AverageRipping Length: <br />300.00 <br />feet <br />Average Dozer Speed: <br />88.00 <br />feet <br />Average Maneuver Time: <br />0.25 <br />feet <br />Productionper unit area: <br />0.897 <br />acres/hour <br />Job Condition Correction Factors <br />Unadjusted Hourly Unit Production: <br />0.897 <br />Acres/hr <br />CIRCES Cost Estimating Soffware <br />