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Trapper Mining 2005BOND Talpac 2005 Bond Topsoil Replacement .• Hau/age System: Trapper Min(ng /nc. 2005 Haul Cycle: (PRJ] A76.4 fo D Road #2 (7,805 Cyds.] • Material: PRJ To soil Roster: PRJ 5 da Week - 8 Hour Shifts _ ~. :t s r- Availability % 100.00 Average Bucket Volume cu.yards 38.02 Bucket Fill Factor 0,72 Average Payload bcy 25.00 Operating Hours per Year OpHr/Year 1,957.50 Op. hrs factored by availability Average Operating Shifts per Year shifts/Year 261,00 Shrfts factored by availability Average Bucket Cycle Time min 0.50 Production per Operating Hour bcy 1,146,62 Production per Loader Operating Shift bcy 8,600 Max. prod. based on 700%avail. Production per Year bcy 2,244,510 Avg. productlon factored by avail. Wait Time er O eratin Hour min 30.93 ~` ~ - Availability % 92,50 Payload in Template bcy 25.00 Operating Hours per Year OpHr/Year 1,810,69 Average Payload bdy 25,00 Production per Operating Hour bcy 309.90 Production per Loader Operating Shift bcy 2,150 Production per Year bcy 561,727 Queue Time at Loader miN Cycle 0.08 • Spot Time at loader miN Cycle 0,00 Average Loading,Time miN Cycle 0,50 Average Travel Time miN Cycle 3,19 Spot Time at Dump miN Cycle 0.10 Average Dump Time min/ Cycle 0.50 Average Cycle Time miN Cycle 4.37 Fleet Size 4 Avera a No. of Bucket Passes 1.00 Production per Year bcy/Year 2,244,570 Discounted Capital Cost $/bcy 0.00 Loading Methodology Discounted Operating Cost $/bcy 0.00 Double Sided Discounted Average Cost $/bcy 0.00 Full Bucket Average for 150 Shifts Productivity estimates allow for insuffi cient time at t he end of the shift to complete another cycle. Time for the first bucket pass coincides with the truck queuing and maneuvering times. This simulation is based on data provided by the equipment manufacturer. _ Equipment data should be checked to ensure it is valid for this site. • Trapper Prepared by: Tonia Perkins 4-Aug-2005 10:25 AM Page 1