Laserfiche WebLink
Colorado Division of Minerals and Geology <br /> ESTIMATING FORM - HYDRAULIC EXCAVATOR WORK <br /> Task #: 30 ' Prep. by: SLB Task File Name: C017-30 <br /> Date: 03/16/94 Permit #:C-81-017 Mine: Coal Basin Mines <br /> Permit Action: N/A <br /> Task Description: Reduce Road A to Post Mine Width <br /> HOURLY EQUIPMENT COST <br /> Basic Machine: CAT 245E (1990) Shift Basis:1/day <br /> Cost Breakdown: - <br /> Utilization % Horsepower 360 <br /> ownership cost/hr = $77.58 N/A . <br /> Operating 8 overhaul cost/hr= $64.96 100 Weight-tons: <br /> Operator cost/hr = $21.76 N/A <br /> (DOI 6§0) <br /> Total eqpt. unit cost/hr = $164.31 Total fleet cost/hr: 5164.31 <br /> MATERIAL QUANTITIES <br /> Initial Swell Loose <br /> Volume: 25,636.5 BCY Factor: 1.25 Volume: 32,045.6 cu. yds. <br /> Source of quantity take-off: Division Estimate <br /> Source of est. swell--factor:Division-Estimate <br /> HOURLY PRODUCTION <br /> Cycle Time - Basic cycle time vs. job condition rating: SEVERE <br /> Time value within basic rating: MAXIMUM <br /> "t 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: 1.69 LCY <br /> Job Condition Correction Factors - Altitude adj. = 0.89 (C/ ) <br /> -- ---- - Job efficiency = 0.83� UA) <br /> Sit"ltitude 3,000 ------------- <br /> Net correction 0.74 <br /> Unadjusted hourly unit production : 121.55 LCY/Hr <br /> Adjusted hourly unit production : 89.79 LCY/Hr <br /> Adjusted hourly fleet production : 89.79 LCY/Hr <br /> JOB COST <br /> Fleet Size: 1 Excavator(s) Total Job Time: 356.90 Hours <br /> Unit Cost : 51.830 /cu. yd. Total Job Cost: $58,641.13 <br />