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Colorado Division of Minerals and Geology <br />_________________________________________ <br />HSTIMATING FORM - BULLDOZER RIPPSNG <br />Task q: 1 Prep. by: CLN Task File Name: M059-1 <br />___________ ________ ______ <br />Da [e: 06/17/97 Permit q: M-79-059 Mine: Brownwood Pit <br />___________ ________ ________________ <br />Permit Action: RecalcUlat ion of Pina octal Warranty <br />Task Description: Rip 30-acre process area <br />HOURLY EQUIPMENT COST <br />_~~_____________e~_== Basic Machine: CaC DBN Horsepower: 285 <br />Blade Type: SEMI-UNIVERSAL ------ ---- <br />A[Cachment ql: ROPB Cab Shrf[ Basis: 1/day <br />Attachment q2: 3-shank ripper ------ ---- <br />Cosc/Hr Breakdown: U[iliza[ion k (code dS0) <br />----------------- ownership = $96.90 N/A <br />opexat ing )overhaul - dozer = 551.67 100 <br />-nppez 56.68 100 <br />operator = 522.95 N/A <br />Total egpt. unit coat/h[ _ $127 70 Total flee[ cost/hr: 5255 .41 <br />MATERIAL QUANTITIES <br />_ __________________ Selected method Area <br />5919mLC IlJad Bail]t ------------- <br />method: N/A N/A Factor N/A Volume N/A BCY <br />Area ___________ _______ ___________ <br />method: 30.00 Acres Rip Depth: 1.00 Volume 98,900 BCY or <br />____ <br />__ [CY <br />___________ -______ <br />Source of quantity take -of E: lice/permit ___ <br />__ <br />___________________ <br />Source of mat. load factor: N/A _________ <br /> <br />_ <br />___ ____________________ <br /> <br />_________ <br />_ <br />_____ ____ <br /> <br />____ <br />___________________ <br />HOURLY PRODUCTION _____ ___ <br />__ <br />L Seismic Method - Seasmac velocity of material: N/A fee[/sec. <br />-------------- - Unadjusted hourly production: N/A BCY or CCY/hr <br />Area Method - Avg. ripping depth per pass: 1.00 feet <br />___________ _ pvg. ripping width pet pass: 7.08 feet <br />- Avg. ripping Length per pace: 250.00 feet <br />- Avg. velocity of machine RB.00 feet/min. <br />- Avg. machine maneuver Cime 0.25 mi nut e9 <br />- Hourly prod. per unit area 0.789 acres/hr <br />- Unadj oared hourly production: 1,272.55 BCY or CCY/hr <br />Correction Fac[oze - Unadj oared production = 1,272.55 BCY or CCY/hr <br />------------------ - Site altitude 4,900 feet <br />- Altitude adlustmenC = 1.00 (Cat thl) <br />- Job efficiency factor = O. B3 (lah/dayl <br />- Ne[ correction = O.B3 multiplier <br />- Adj oared production = 1056.22 BCY or CCY/hr <br />- Flee[ production = 2112.43 BCY or CCY/hr <br />JOB COST =_______ <br />_ ==Flee[ Baze 2 Dozer lei total Job Time : 22.91 Hours <br />________ <br />Unit Cos[ $0.121 /LCY Total <br />________ <br />Job Coet ___________ <br />: $5,851.94 <br />___________ <br />