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~lorado Division of Minerals and Geology • <br />HSTIMATINC POHM - 8[PPINC Y08H <br />------------------------------ <br />------------------------------ <br />Task f: 6 Prep. by:RCO Task filenaae : MOflO-6 <br />............ ......... ............. <br />i Date: OB-Mar-94 Peroit 4:M-93-080 Mine: Calhan Clay Pit <br />............ ......... ...................................... <br />Peroit Action: Heclaastion <br />Task Description: Rip stockpile areas and haul road, 5 acres <br />.................................................................. <br />ROURL- BAUIPMHNT COST <br />______•-----------=-= Basic Machine: Cat DBN Borsepower 285,00 <br />Blade Type: Seai-universal " """ " ""' <br />Attachaent il: HOPS cab Shift Baeis:onelday <br />Attachrent 42: ripper, 3 shank " " """ " "' <br />Utilisation S <br />Cost Breakdown -Ownership costlhr = f44.36 N/A <br />" "" " """ Operating costlhr = (38.00 100.001 <br />Bipper oprtg. coat/hr = f4,54 100.001 <br />Operator costlhr = f21,58 N/A <br />Total = 5108.48 Total fleet cost/hr: f108.48 <br />MATBR[AL QUANTITIHS " "" "' """" """ <br />Specify desired aethod (type "voluae" or "area"~: area <br />Yoluae '•...'...•"• <br />aethod: LC--CC- t oat. load [actor = BC- or CCP <br />Area ............ ....... ............ <br />aethod: 5,00 Acrea t 1.04 Ft. avg. rip depth= 8,067 BC- or CC- <br />Source of quantity take-off: Mining/recl plan in peroit <br />......................................................... <br />Source of aet. load factor: prograa <br />......................................................... <br />AOURL- PRODUCTION <br />----------------- <br />----------------- <br />Yoluae Method - Seisaic velocity of arterial: feet/sec, <br />"" " " " "' - Unadjusted hourly production: BC- or CC-Ihr <br />Area Method - Avg. ripping depth per pass: 1.00 feet <br />" """ "' - Avg. ripping width per peas: 5.00 feet <br />- Avg. ripping length per pass: 500.00 feet <br />- Avg. velocity of aschine 88.00 feetlain. <br />- Avg. aschine aaneuver tine 0.25 ainutes <br />- Hourly prod. per unit area :25,267,36 eq. feetlhr <br />- Unadjusted knurly production: 936.57 BC9 or CC9/kr <br />Joh Condition Correction Factors -Unadjusted production = 936.57 BC4 or CC-/hr <br />"""""""""""""""" -Site altitude = 6,600 feet <br />- Altitude edjustaent = 1.00 <br />- Job efficiency factor = 0.83 <br />- Net correction - 0.83 aultiplier <br />- Adjusted production = 777.35 BC- or CC9/hr <br />- Fleet production = 777.35 BC- or CC-/hr <br />JOB COST =_______.:_ <br />Fleet rise : 1 Units] Total job tine= 10.38 Houra <br />-------- ----------- <br />-------- ----------- <br />Unit cost = (0.140 IBC- or CC- Total joh cost= 51,125.71 <br />