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~COlorado Drvis ion of Minerals and Geology • <br />_________________________________________ <br />ESTIMATING FORM - BULLDOZER RIPPING <br />_x _______:________:________~______ <br />Task q: a Prep. by: LDO Task File Name: M9}[R-B <br />___________ ________ __-___ <br />Dale: 04(01(97 Permit W: M-76-009 Mine: Menzer Quarry <br />Permit Action: reclamation cost estimate <br />_____________________________________________________________ <br />Task Descrip[i on: rip quarry floor <br />HOURLY EQUIPMENT COST <br />-----------------~__= Basic Machine: Cac DBN Horsepower: 205 <br />Blade Type: SEMI-UNIVERSAL --------- <br />Attachment N1: ROPS Cab Shift Basis: 1/day <br />Attachment N2: 3-shank ripper ---------- <br />Cos[/Hr Breakdown: U[i lization t (code d?G) <br />_________________ ownership <br />operating/overhaul - dozer <br />-ripper <br />operator <br />Total egpt. um[ cosc/hr <br />MATERIAL QUANTITIES <br />Seismic Load <br />method: N/A N/A Factor <br />Ared ----------- <br />method: 49.70 Acres Rip Depth <br />Source of quantity take-off: am-l <br />Source of mat. load factor: N/A <br />HOURLY PRODUCTION <br />$46.90 N)A <br />$51.67 100 <br />$6.68 100 <br />$22.95 N/A <br />5127.70 Total fleet cost/hr: $127 .7D <br />Selected method Area <br />Bank _____________ <br />N/A Volume N/A BCY <br />1.50 Volume 120,214 BCY or Ct'Y <br />Seismic Method - Seismic velocc[y of material: N/A feet/sec. <br />-------------- - Unadjusted hourly production: N/A BCY or CCY/hr <br />Area Method - Avg. ripping depth per pass: 1.50 feet <br />----------- - Avg. ripping wrdch per pass: 7. OB feet <br />- Avg. ripping len9 th per pass: 500.00 feet <br />- Avg. velocity of machine BB.00 feet/min. <br />- Avg. machine maneuver time 0.25 minutes <br />- Hourly prod. per unit area 0.822 acres/hr <br />- Unadjusted hourly production: 1,989.27 BCY or CCY/hr <br />Correction Factors - Unadj used production = 1,989.27 BCY or CCYjhr <br />----------------- - 51[e altitude = 6,975 feet <br />- Altitude adjustment = 1.00 ICat [bl) <br />- Job efficiency factor 0.83 Ilsh/day) <br />- Net correction 0.R3 multiplier <br />- Adjusted production = 1651.10 BCY oz CCY(hr <br />- Fleet production = 1651.10 BCY or CCY/hr <br />JOB COST =______• <br />FLeet Size : 1 Dozerisl Total Job Time: 72.84 Hours <br />________ ___________ <br />Unit Cost $0.077 /LCY Total Job Cost: 59,702.65 <br />_____-__ ___-_______ <br />