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<br /> <br />Colorado Division of Minerals and Geology <br />ESTIMATING FORM BULLDOZER WORK <br />Task #: 2b Prep. by: TDG Task File Name: M229.2b <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 & rip facilities area <br />HOURLY EQUIPMENT COST <br />Basic Machine: Cat D9N Horsepower: 370 <br />Blade Type: SEMI-UNIVERSAL ------- <br />Attachment #1: ROPS Cab Shift Basis: 1/day <br />Attachment #2: 3-shank ripper --------- <br />Cost Breakdown: <br />-------------- Utilization % <br />Ownership cost/hr 543.41 N/A <br />Operating 8 overhaul cost/hr- dozer = 574.86 100 <br /> -ripper = 57.69 100 <br />Operator cost/hr = 522.95 N/A <br />Total egpt. unit cost/hr = 5148.90 Total fleet cost/hr: 5297.80 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />Volume: 13.729.0 LLY Factor: N/A Volume: 13.729.0 LCY <br />Source of quantity take-off: Assume 8 <br />------- .51 ac. area @ 1 ft. <br />----------------- depth. <br />---------- <br />-- <br />-------- <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 />------- Visibility........ 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. 00 (Cat tbl) <br />Avg. push gradient: 0.00 X (pos) Altitude deration. 1. 00 (Cat tbl) <br />-------- Material weight... 0. 79 (Cat tbl) <br />Avg. site altitude: 4980 ft. Blade type........ 1. 00 (S or U) <br />Material weight 2900.00 lb/LCY Net Job Correction 0. 36 <br />Mat. Descr.: -------- --------- -- <br />Decomposed rock - 50X Rock. 50X Earth <br />-- <br />----- <br />------- <br />--------------- Adjusted Unit Prod. : 602. <br />--------- 56 <br />-- LCY/hr <br />- <br />--- <br />-- Adjusted Fleet Production : 1205. 13 LCY/hr <br />JOB COST -------- -- <br />Fleet size 2 Dozers) Total Job Time : 11. 39 Hours <br />Unit Cost 50.247 /LCY Total Job Cost : 53.392 .63 <br />