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--,- -~ ; <br />Colorado Division of Minerals and Geology <br />ESTIMATING FORM - BULLDOZER WORK <br />Task #: 1 Prep. by: TDG Task File Name: M229-1 <br />Date: 06/20/97 Permit #:M-81-229 ~ Mine: Valley Vista Pit <br />Permit Action: Bond Recalculation in response to 5.0. Approval <br />Task. Description: Regrade pit highwalls <br />HOURLY EQUIPMENT COST <br /> Basic Machine: Cat D9N Horsepower: 370 <br /> Blade Type: SEMI-UNIVERSAL ------- <br /> Attachment #1: ROPS Cab Shif t Basis: 1/day <br /> Attachment #2: 3-shank ripper -------- <br />Cost Breakdown: <br />-------------- Utilization X <br />Ownership cost/hr = t43.41 N/A <br />Operating d overhaul cost/hr- dozer = 374.86 100 <br /> -ripper = 53.84 50 <br />Operator cost/hr .= 522.95 N/A <br />Total egp t. unit cost/hr = 5145.06 Total fleet cost/hr : 5290.12 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />Volume: 15.129.0 L CY Factor: N/A Volume: <br />---- 15.129.0 <br />------ LCY <br />----------- <br />Source of quantity ta ke-off: Assume 3. ------ <br />74 ac. of 10.0 ac. phase @ 4.045 cy/ac. <br />Source of est. swell factor: NA <br />HOURLY PRODUCTION <br /> Job Condition Correction Factors <br />Avg. push distance: 50 ft. ------------------------ -------- <br />- -------- Operator.......... 0.75 (avg.) <br />Unadjusted hourly Mat. consistency.. 0.90 (Cat tbl) <br />dozer production: 1696 LCY/hr Dozing method..... 1.00 (gen.) <br />- -------- Visibil itY. ....... : 1.00 (avg.) <br />Material consistency: Job efficiency.... 0.83 (lsh/day) <br />Compacted fill or embankment Spoil pile factor. 0.80 (fnd-rf) <br />------------------ --------------- Push gradient..... 1.33 (Cat tbl) <br />Avg. push gradient: 15.00 X (neg) Altitude deration. 1.00 (Cat tbl) <br />- ------- Material weight... 0.19 (Cat tbl) <br />Avg. site altitude: 4980 ft. 81ade type........ 1.00 (S or U) <br />Material weight 2900.00 lb/LCY Net Job Correction 0.47 <br />Mat. Descr.: - -------- -- ------- <br />Decomposed rock - 50X Rock, 50X Earth <br />- Adjusted Unit Prod.: <br />- 800.84 <br />- LCY/hr <br />------------------- ---------- <br />-- <br />Adjusted Fleet Production: 1601.67 LCY/hr <br />JOB COST -- -------- <br />Fleet size 2 Dozers) Total Job Time: 9.45 Hours <br />Unit Cost 50.181 /LCY Total Job Cost: 5 2.740.37 <br />