Laserfiche WebLink
Colorado Division of Minerals and Geology <br /> ----------------------------------------- <br /> ESTIMATING FORM - HYDRAULIC EXCAVATOR WORK <br /> Task #: 007 Prep. by: SGR Task File Name: C017-007 <br /> ------------ --------- ------------- <br /> Date: 11/24/97 Permit #:C-81-017 Mine: Coal Basin <br /> ------------ --------- --------------------------------- <br /> Permit Action: litigation estimate <br /> ------------------------------------------------------------- <br /> Task Description: remove bear creek culverts by 001 ponds <br /> ------------------------------------------------------------- <br /> HOURLY EQUIPMENT COST <br /> Basic Machine: CAT 307 Shift Basis:1/day <br /> Cost Breakdown: ------------------- ---------- <br /> -------------- Utilization % Horsepower : 54 <br /> Ownership cost/hr = $8.56 N/A ---------- <br /> Operating & overhaul cost/hr= $7.81 90 Weight-tons: <br /> Operator cost/hr = $22.95 N/A ---------- <br /> -------- (DQI OSU) <br /> Total eqpt. unit cost/hr = $39.31 Total fleet cost/hr: $39.31 <br /> -------- ----------- <br /> MATERIAL QUANTITIES <br /> Initial Swell Loose <br /> Volume: 21.0 BCY Factor: 1.25 Volume: 26.3 cu. yds. <br /> ------------ ---------- _____________ <br /> Source of quantity take-off: estimate <br /> ---------------------------------------------------- <br /> Source of est. swell factor: program <br /> ---------------------------------------------------- <br /> HOURLY PRODUCTION <br /> Cycle Time - Basic cycle time vs. job condition rating: AVERAGE <br /> ---------- - Time value within basic rating: MEAN <br /> Basic cycle time = 0.28 min. <br /> Bucket Capacity ------------- <br /> --------------- <br /> Rated capacity: 0.24 LCY (heaped) Size class: small <br /> Bucket fill factor: 1.10 Other - rock/dirt mixtures (100-120%) <br /> ------- ---------------------------------------------------- <br /> Adjusted capacity: 0.26 LCY <br /> Job Condition Correction Factors Altitude adj. = 0.85 (CHB) <br /> -------------------------------- Job efficiency = 0.83 (1s/d YUA) <br /> Site altitude = 8.000 ft. ----------- <br /> ------- Net correction 0.71 <br /> Unadjusted hourly unit production 56.57 LCY/Hr <br /> Adjusted hourly unit production 39.91 LCY/Hr <br /> Adjusted hourly fleet production 39.91 LCY/Hr <br /> JOB COST <br /> Fleet Size: 1 Excavator(s) Total Job Time: 0.66 Hours <br /> Unit Cost : $0.985 /cu. yd. Total Job Cost: $25.86 <br /> ------- -------- <br />