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Colorado Division of Mine za is and Geology <br />ESTliMTING FORM - BULLD02ER RIPPING <br />Task q: 9 Prop. by: ESC Task File Name: M191-4 <br />Dace. 09/01/9B Permit q: M-77-191 M1ne: Lyons Quarry <br />Permit A.c uon~ Reevaluate amount of required band <br />Task Dese n pc ion: P.tp Faciliy Area <br />HOURLY EQUIPMENT COST <br />_____________________ Basic Mac hine~ Cac D9N Horsepo+er: 370 <br />Blade Type: SEMI-UNIVERSAL '"" " " " <br />Attachment pl: ROPS Cab Shift Basis: 1/tlay <br />Attachment q2: J-shank ripper " " " " " <br />Cost/Hr Breakdo vn: Utili zat ien } (code Eby) <br />_________________ ownership = $94. 97 N/A <br />operating/overhaul - dozer = $78. 89 100 <br />-ripper = $8. 06 100 <br />operator = 523. 12 N/A <br />Total eqp[. unit cost/hr = $155. <br />______ 03 <br />___ Total fleet cost/hr: 5155.07 <br />_________ <br />MATERIAL QUANTITIES <br />__________________ Selected method Area <br />Seismic Load Bank " " "" " "' <br />method: N/A N/A Factor N/A Volume N/A BCY <br />Area ___________ _______ ___________ <br />method: 90.00 Acres Rip Depth: 7.00 Volume 129,067 BCY or CCY <br />Source of quantity cake-off: Reclamation Plan Map <br />____________________ <br />Source of mat. load Ea ctor: N/A <br />HOURLY PRODUCTION <br />Seismic Method - Seismic velociCy of mates sal: N/A Eeec/sec. <br />-'~"'-" " "' Unadj usced hourly production: N/A BCY or CCY/hr <br />Area Method - Avg. ripping depth per pass: 2.00 feet <br />---'------- - Avg. ripping vid th per pass: 7.67 feet <br />- Avg. ripping length per pass: 50.00 feet <br />- Avg. velociCy of machine BB. 00 feet/min. <br />- Avg. machine maneuver time 0.25 minutes <br />- Hourly prod. per unit area 0.696 acres/hr <br />- Unadjusted hourly production: 2,083. 21 BCY or CCY/hr <br />Correction Factors - Unadjusted production 2,083.21 BCY or CCY/hr <br />" "'-" " " " " " - Sice altitude = 5,700 Eeec <br />- Alci rude adjustment = 1.00 (Ca[ cbl) <br />- Job efficiency factor = 0.83 Ilsh/day) <br />- Net correc [ien = O.B3 multiplier <br />- Adjusted production 1779.06 BCY or CCY/hr <br />- Fleet production 1729.06 BCY or CCY/hr <br />JOB COST =_______ <br />Flee[ Size 1 Dozerls) Total Job Time: 79.65 Hours <br />________ ___________ <br />Unit Cos[ $0.090 /LCY Total Sob Cost: 511,571.56 <br />________ ___________ <br />