2010-04-09_PERMIT FILE - C1996083A (2)

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CIRCES Cost Estimating Software COMPACTION WORK PROJECT IDENTIFICATION Task # 050 Date 02-Nov-2009 User: JRS State : Colorado County :Delta Site: Bowie No. 2 Mine Agency or organization name : Colorado Division Of Reclamation, Mining And Safety Permit or other job action :2009 Midterm Review Task description: Compact Backfilled D-Portal Bench, Roads and Utility Corridor HOURLY EQUIPMENT COST Machine description : CAT 815F 6.42 Horsepower: 240 4.00 mph Compactor type : Soil - tamping foot 8.00 Shift basis: I per day 16.3 (5,280 ft./12 in./27 cu.ft.) Utilization % Data source : (CRG) Cost Breakdown Ownership cost/hour: $44.16 NA CCY/hr hours Operating cost/hour: $78.47 100 $94,238 Operator cost/hour: $38.54 NA Total unit cost/hour $161.17 Total fleet cost/hour: $161.17 MATERIAL QUANTITIES Loose Shrinkage Compacted volume 619,112 LCY factor 0.875 volume: 541,723 CCY Source of estimated volume : Total of All Backfilling Tasks Source of estimated shrinkage factor: CA Handbook HOURLY PRODUCTION Unadiusted hourlv oroduction = (W x S x L x C) / P Compacted width per pass (W) : 6.42 feet Average compactor speed (S) 4.00 mph Compacted thickness of each lift (L) 8.00 inches Conversion constant (C) 16.3 (5,280 ft./12 in./27 cu.ft.) Required number of machine passes (P) 3 passes Unadjusted hourly unit production 1,116.22 CCY/hr Job Condition Correction Factors Site altitude : 6,500 feet Source Altitude adjustment factor 1.00 (Cat HB) Job efficiency factor: 0.83 ( shift/day) Net job correction : 0.83 multiplier Permit/job #: C-96-083 Abbreviation :none Filename :C083 -050 Adjusted hourly unit production 926.47 CCY/hr Adjusted hourly fleet production 926.47 CCY/hr JOB TIME AND COST Fleet size I compactor(s) Total job time 584.72 hours Unit cost $0.174 per CCY Total job cost: $94,238 Permit/job #: C-96-083 Abbreviation :none Filename :C083 -050