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Colorado Division of Minerals and Geology <br /> ----------------------------------- <br /> ESTIMATING FORM - HYDRAULIC EXCAVATOR WORK <br /> Task #: 182 Prep. by: SLB Task File Name: C017-182 <br /> Date: 03/15/95 Permit #:C-81-017 Mine: Coal Basin Mines <br /> Permit Action: N/A <br /> Task Description: Backfill Mine #5 benches <br /> -------------------------------------------------- <br /> HOURLY EQUIPMENT COST <br /> --------------------- <br /> --------------------- <br /> Basic Machine: CAT 2458 (1990) Shift Basis:l/day <br /> CostBreakdown: ------------------- --------- <br /> Utilization % Horsepower 360 <br /> Ownership cost/hr = $77.58 N/A ---------- <br /> operating & overhaul cost/hr= 564.96 100 Weight-tons: 0.00 <br /> Operator cost/hr = $21.76 N/A ---------- <br /> -------- (DQI 6W) <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: 19,937.2 LCY Factor: N/A Volume: 19,937.2 cu. yds. <br /> Source of quantity takeoff: Assume 25' up, 650 tin. ft. <br /> ---------------------------------------------------- <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 /> 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 16s) <br /> ------------------------------- - Job efficiency = 0.83 (1s/d VOA) <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: 196.17 Hours <br /> Unit Cost : $1.617 /cu. yd. Total Job Cost: $32,231.71 <br /> ------- ----------- <br />