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• Colorado,Di:ision,of`Ninerals.and Geo~ <br />ESTIMATING FOP.Ii - NYDRAULIC EMCAVATOR WORK <br />Task t: I Prep. by: T[6 Task File (Jame: N185-1 <br />Date: 04/14/94 Permit t:N-B1-185 nine: tiayday Mine <br />Peroit Action: General 110(2) permit bond recalculation <br />Task Description: Cut terraces/bergs on w.rock piles, scale portal face-ups <br />HOURLY EAUIPMENT COST <br />--------------------- <br />--------------------- <br />Basic Hachine: CAT 205 11986) Shift Basis:l/day <br />Cost Breakdown: """""""""' """"" <br />""""""" Utilisation S Horsepower 53 <br />Ownership cost/hr = 510.20 H/A """"" <br />Operating E overhaul cost/hr= 810.13 100 Vleight-tons: <br />Operator cost/hr - 821.16 IJ/A """"" <br />"""" (DAI hpo) <br />Total egpt. unit costJhr = 542.10 Total fleet cost/hr: 542.10 <br />MATERIAL AUAtJTITIES <br />Initial Sfoell Loose <br />Volume: 1,142.0 LCY factor: II/A Volume: 1,142.0 cu. yds. <br />Source of quantity take-off: Terraces 10'11, l:l cut on 2:1 slope, 950'L <br />Source of est. swell Factor: NA <br />HOURLY PRODUCTI0IJ <br />----------------- <br />----------------- <br />Cycle Time -Basic cycle time vs. job condition rating: BELOU AVG. <br />""""" - Time value within basic rating: IJAXIHUtI <br />Basic cycle time = 0.33 min. <br />Bucket Capacity """"""' <br />Rated capacity: <br />Bucket fill factor: <br />Adjusted capacity: <br />Job Condition Correct <br />Site altitude = <br />0.74 LCY (heaped) Size class: medium <br />0.83 Blasted rock - avg. blasted (75 - 90%) <br />0.61 LCY <br />ion Factors - Altitude adj. = 0.85 (C/H fjl) <br />"""""' - Job efficiency = 0.83 (ls/d nog) <br />9,000 ft. ------------- <br />"""' tJet correction O.11 <br />Unadjusted hourly unit production : 110.00 LCY/Hr <br />Adjusted hourly unit production : 77.61 LCY/Hr <br />Adjusted hourly fleet production : 77.61 LCYJHr <br />JOB COST <br />Fleet Size: 1 Excavatorls) Total Job Tioe: 22.45 Hours <br />Unit Cost 50.542 /cu. yd. Total Job Cost: S944.91 <br /> <br />