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Colorado Division of Minerals and Geology <br />_________________________________________ <br />ESTIMATING FORM - BULLDOZER RIPPING <br />Task k: 2 Prep. by: CLK Task File Name: M009-2 <br />___________ ________ _____________ <br />Date: 12/1B/97 Permit p: M-79-004 Mine: Spec Agg Quarry <br />Permit Ac [ion: Amendment 2 <br />Task Description: Rip 28.5 acres <br />HOURLY EQUIPMENT COST <br />_____________________ Basic Machine: Cat DBN Horsepower: ?BS <br />Blade Type: SEMI-UNIVERSAL ---"'-~'~ <br />Attachment bl: RO PS Cab Shift Basis: 1/day <br />Attachment p2: 3-shank ripper ---------' <br />Cos[/Hr Breakdown: Utilization } (code •>bml <br />-----"'"~"'----- ownership = $92.12 N/A <br />operating/overhaul - dozer = 552.25 100 <br />-ripper = $6.60 100 <br />operator = 522.95 N/A <br />Total eqp[. unit cos[/hr = 5124.00 Total flee[ cost/hr: 5248 00 <br />MATERIAL QUANTITIES <br />___________________ Selected method Area <br />Se rsm rc Load Bank -" " " "---- <br />method: N/A N/A Factor N/A Volume N/A BCY <br />Area ___________ _______ ___________ <br />method: 28.50 Acres Rip Depc h: 2.00 Volume 91,960 BCY or CCY <br />Source of qua ncity take-off: exhrbu L <br />Source of mat. load fac[or~ N/A <br />HOURLY PRODUCTION <br />Seismic Method - Se ism rc velocity of material: N/A EeeC/sec. <br />'-----" "'--- Unadjusted hourly production: N/A HCY or CCY/hr <br />Area Method - Avg. appi ng depth per pass: 1.00 feet <br />"'------" Avg. ripping width per pass: 7. OB Eeet <br />- Avg. ripping length per pass: 250.00 feet <br />- Avg. ve loci[y of machrne 88.00 Eee[/min. <br />- Avg. machrne maneuver time 0.25 minutes <br />- Hourly prod. per unit area 0.]B9 acres/hr <br />Unadjusted hourly production: 1,2]2.55 BCY or CCY/hr <br />Correct ron FaCtOYS Unadjusted production 1,2]2.55 HCY or CCY/hr <br />---" " " "----"' Site altitude = ].000 Eeet <br />- Alt i[ude adjustment 1.00 (Cat [bl) <br />- Sob efficiency face or = 0.83 (lsh/dayl <br />- Ne[ correction = 0.87 mu 1[iplier <br />- Adjusted produ ccion = 1056.22 BCY or CCY/hr <br />- Fleet production = 2112.43 BCY or CCY/hr <br />JOB COST =_______ <br />F1eeC 51 ze 2 Do zerlsl Total Job Time: 43.53 Hours <br />________ ___________ <br />Unit Cost $0.117 /LCY Total Job Cos r. $10,]96.29 <br />