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'-�`; -�; M�'�a, � 1.�i' .�1�rvg' pi �/+^k - _ .M '•. °I> � ' wMt�a"'•`.,.��-_� d'�,LR.:.�r:'i <br /> � ^^`J �,d •6'i t< r. TLq'�T {y i. :Y,IM'�4%''7" "#:,,. 1 <br /> Colorado Division ofM.Minerals and Geology <br /> ESTIMATING FORM - HYDRAULIC-EXCAVATOR WORK <br /> Task : 37 Prep. by: SLB Task File Name: C017-37 <br /> Date: 12/29/94 Permit S:C-81-017 Mine: Coal Basin Mines <br /> Permit Action: N/A <br /> Task Description: Replace fill material on Sutey Conveyor Access Road <br /> HOURLY EQUIPMENT COST <br /> Basic Machine: CAT 2456 (1990) Shift Basis:l/day <br /> Cost Breakdown: <br /> Utilization % Horsepower 360 <br /> Ownership cost/hr = $77.58 N/A <br /> operating & overhaul cost/hr= $64.96 100 Weight-tons: <br /> Operator cost/hr = 521.76 N/A <br /> (DQI W) <br /> Total eqpt. unit cost/hr = $164.31 Total fleet cost/hr: $164.31 <br /> MATERIAL QUANTITIES <br /> Initial Swell Loose <br /> Volume: 4,140.0 SCY Factor: 1.25 Volume: 5,175.0 cu. yds. <br /> Source of quantity take-off: Information provided in 1988 revision application <br /> Source of est. swell factor: Estimated from Caterpillar handbook <br /> HOURLY PRODUCTION <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 /> Rated capacity: 2.50 LCY (heaped) Size class: small <br /> Bucket fill factor: 0.68 USER-PROVIDED BUCKET FILL FACTOR <br /> Adjusted capacity: 1.70 LCY <br /> Job Condition Correction Factors - Altitude adj. = 1.00 (C/H liis) <br /> --- ---- - Job efficiency = 0.83 (1s/d YGX) <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: 50.92 Hours <br /> Unit Cost : S1.617 /cu. yd. Total Job Cost: $8,366.21 <br />