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Colorado Division of Minerals and Geology <br /> ESTIMATING FORM - HYDRAULIC EXCAVATOR WORK <br /> Task #: 179 Prep. by: SLB Task File Name: C017-179 <br /> ------------ <br /> Date: 03/15/95 Permit #:C-81-017 Mine: Coal Basin Mines <br /> Permit Action: N/A <br /> ------------------------------------------------------ <br /> Task Description: Backfill Mine #2 benches <br /> HOURLY EQUIPMENT COST <br /> --------------------- <br /> --------------------- <br /> Basic Machine: CAT 2456 (1990) Shift Basis:1/day <br /> CostBreakdown: -__....----------- ---------- <br /> ------------ Utilization % Horsepower : 360 <br /> Ownership cost/hr = $77.58 N/A ---------- <br /> Operating & overhaul cost/hr= $64.96 100 Weight-tons: 0.00 <br /> Operator cost/hr = $21.76 N/A ---------- <br /> -------- (DO I O$U) <br /> Total eqpt. unit cost/hr = $164.31 Total fleet cost/hr: $164.31 <br /> -------- -_---_____- <br /> MATERIAL QUANTITIES <br /> ------------------- <br /> ------------------- <br /> Initial Swell Loose <br /> Volume: 5,973.6 LCY Factor: N/A Volume: 5,973.6 cu. yds. <br /> ____________ --------- _____________ <br /> Source of quantity take-off: Assume 25' up, 200 Lin. ft. <br /> Source of est. swell factor: Caterpillar Handbook <br /> ------------------------------------------------- <br /> HOURLY PRODUCTION <br /> ----------------- <br /> ----------------- <br /> Cycle Time - Basic cycle time vs. job condition rating: SEVERE <br /> ---------- - Time value within basic rating: MAXIMUM <br /> Basic cycle time = 0.83 min. <br /> Bucket Capacity ------------- <br /> -------------- <br /> Rated capacity: 2.50 LCY (heaped) Size class: small <br /> Bucket fill factor: 0.68 USER-PROVIDED BUCKET FILL FACTOR <br /> ------- --------------------------------------------------- <br /> Adjusted capacity: 1.70 LCY <br /> Job Condition Correction Factors - Altitude adj. = 1.00 (C/H 16s) <br /> ------------------------------ - Job efficiency = 0.83 (1s/d YUA) <br /> Site altitude = 10,000 ft. ----------- <br /> Net correction 0.83 <br /> Unadjusted hourly unit production 122.45 LCY/Hr <br /> Adjusted hourly unit production 101.63 LCY/Hr <br /> Adjusted hourly fleet production 101.63 LCY/Hr <br /> JOB COST <br /> Fleet Size: 1 Excavator(s) Total Job Time: 58.78 Hours <br /> _____ - ----------- <br /> Unit Cost : $1.617 /cu. yd. Total Job Cost: $9,657.21 <br /> _______ ___________ <br />