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CIRCES Cost Estimating Software <br />MILLING CIRCUIT /CYANIDE VAT LEACH DETOXIFICATION WORK <br />PROJECT IDENTIFICATION <br />Task # : 15a State :Colorado PermiVjob # : M-1986-076 <br />Date : 01/Ofv2004 County : La Plata Abbreviation :none <br />User: RCO Sile :Incas Mine Filename:M076-15a <br />Agency or organization name :DMG <br />Permit or otherjob action :Amendment Am-03 <br />Task description :Neutralize cyanide leach circuit first phase <br />... _ __r_____:____ _. _._. _- __. _..... - ___. __ ... __.. __ _ ._. ; <br />HOURLY EQUIPMENT COST Shift basis : 1 per day Data source : (CRC data) <br />Suppon equipment -Unit no. 1 : Generator diesel- 2.5 KW <br />- Unil na. 2 : NA <br />-Unit no. 3 : NA <br />-Unit no. 4 : NA <br />- Unil no. 5 : NA <br />Cost Breakdown: Pumping <br />Equipment Detoxification SUppod Equipment <br />Eqp. Unit 1 Eqp. Unit 2 Eqp. Unit 3 Eqp. Unit 4 Eqp. Unit 5 <br />Impod data filename : pumping generate NA NA NA NA <br />Utilization-machine+att. no. 1 : 100 100 NA NA NA NA <br />-ripper or attachment no. 2 : NA NA NA NA NA NA <br />Equipment ownership $/hr: $2.24 $0.30 NA NA NA NA <br />Machine+aH. 1 operating $/hn $1.62 $0.68 NA NA NA NA <br />Ripper or aH. 2 operating $/hn 80.00 $0.00 NA NA NA NA <br />Operator+additional labor $/hr. $38.51 $0.00 NA NA NA NA <br />Unit subtotals: $42.37 $0.97 $0.00 $0.00 80.00 $0.00 <br />Number o(units': 1 1 0 0 0 0 <br />Group subtotals: $42.37 $0.97 $0.00 $0.00 $0,00 $0.00 <br />-no. of pump uNts= no. of pump TEhMS, not no. of pumps Total Work team cosUhour : $43.36 <br />MILLING CIRCUIT /VAT LEACH QUANTITIES <br />Maximum circuit volume = 1,000 gallons Solution unit weight = 10.00 poundslgallon <br />Initial cyanide concentration= 15.00 PPM Total solution weight= 10,000 pounds <br /> Total cyanide quantity= 0.15 pounds <br />Source of milling circuit volu metric data :Amendment 2, Exhibit S <br />Source o/ CN concen tration data :Amendment 2, Cost calculations <br />I___--____ _ _ - _ ______ _ _ __ _ _. i <br />PUMPING TIME Site altitude= 10,800 feet <br />Number of rinses required = 3.00 rinses Altitude adjustment factor = 0.8500 (DMG est) <br />Total quantity of rinse water= 3,000 gallons Pump efficiency factor = 0.9167 (55 min./hr) <br />Rated pump capacity= 3,000 gph/pump Net adjustment= 0.7792 multiplier <br />Unadjusted pumping rate = 3,000 gph/team toll. Adjusted pumping rate = T,338 gph/team <br />Pump setup/removal time= 4.00 hours ~ Solution pumping time= 1.28 hours <br /> Total pumping time = 5.18 hours <br />r--_-------.... ._.__ _ -_ _._ <br />MATERIALS OOST Description Unit Unit Cost quantity Total Cast <br /> <br />Processing wafer : availao/e at no cost NA $0.000 0.00 $0.00 <br />leutralizing reagent : Hydrogen peroxide pound $1.821 0.60 $1.09 <br />vlisc. material no. 1 : none required NA $0.000 0.00 $0.00 <br />vlisc. material no. 2 : none required NA $0.000 0.00 $0.00 <br />Reagent concentration (Ya active ingredient) _ <br />Required ratio of reagent quantity to CN quan. _ <br />~MISCELLAN <br />50.00% Total materials cost : $1.09 <br />4.00 :1 ratio <br />OUS ITEMS Description Unit Unit Cost quantity Total Cost <br />Item nc. 1 : none required NA $0.000 0.00 $0.00 <br />Item no. 2 : none requireU NA $0.000 O.OD $0.00 <br />Item no. 3 : none requimd NA $0.000 0.00 $0.00 <br />Item no. 4 : none required NA $0.000 0.00 E <br />$0.00 <br />Total miscellaneous items cost : $0.00 <br />L. ........ _ _ _ .. .. _. _ _ .. _ .._ <br />JOB TIME AND COST Total joh time : 5.28 hours <br />Total unit cost : $0.230 per gal. circuit vol. Total joh cost : $230 <br />.. ...-..__ _~_ _. __. _.._ _.._ _ _ .. .___...... _. _~._._.1 <br />