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MILLING CIRCUIT /CYANIDE VAT LEACH DETOXIFICATION WORK <br />Task description <br />Site: Incas Mine <br />Circuit Detox <br />PROJECT IDENTIFICATION <br />Page 1 of 2 <br />Permit Action: 2013 Inspection Permit/Job #: M1986076 <br />Task #: 015 State: Colorado <br />Date: 10/29/2013 County: La Plata <br />User: KAP <br />Agency or organization name: DRMS <br />HOURLY EQUIPMENT COST <br />- Unit 1: <br />NA <br />- Unit 2: <br />NA <br />- Unit 3: <br />NA <br />- Unit 4: <br />NA <br />- Unit 5: <br />NA <br />Cost Breakdown: <br />Abbreviation: None <br />Filename: M076 -015 <br />Shift basis: der day <br />3 in. <br />Detoxification Sunnort Eauinment <br />Total work team cost/hour: $26.62 <br />MILLING CIRCUIT/VAT LEACH OUANTITIES <br />Maximum Circuit Volume = <br />Pumping <br />Equip <br />Unit 1 <br />Equip <br />Unit 2 <br />Equip <br />Unit 3 <br />Equip <br />Unit 4 <br />Equip <br />Unit 5 <br />Equip <br />10.00 <br />Pumping <br />Total Solution Weight = <br />10,000 <br />pounds <br />Total Cyanide Quantity = <br />0.15 <br />%Utilization- machine: <br />100 <br />NA <br />NA <br />NA <br />NA <br />NA <br />Ownership cost/hour: <br />$1.25 <br />NA <br />NA <br />NA <br />NA <br />NA <br />Operating cost/hour: <br />$2.43 <br />NA <br />NA <br />NA <br />NA <br />NA <br />Ripper op. cost/hour: <br />NA <br />NA <br />NA <br />NA <br />NA <br />NA <br />Operator cost/hour: <br />$22.94 <br />NA <br />NA <br />NA <br />NA <br />NA <br />Unit Subtotals: <br />$26.62 <br />$0.00 <br />$0.00 <br />$0.00 <br />$0.00 <br />$0.00 <br />Number of Units: <br />1 <br />0 <br />0 <br />0 <br />0 <br />0 <br />Group Subtotals: <br />$26.62 <br />$0.00 <br />$0.00 <br />$0.00 <br />$0.00 <br />$0.00 <br />Total work team cost/hour: $26.62 <br />MILLING CIRCUIT/VAT LEACH OUANTITIES <br />Maximum Circuit Volume = <br />1,000.00 <br />gallons <br />Initial Cyanide Concentration = <br />15.00 <br />PPM <br />Solution Unit Weight = <br />10.00 <br />pounds /gallons <br />Total Solution Weight = <br />10,000 <br />pounds <br />Total Cyanide Quantity = <br />0.15 <br />pounds <br />Source of leach pad volume /pore space data: AM -02 <br />16 <br />feet <br />Source of CN Concentration Data: AM -02 <br />PUMPING TIME <br />CIRCES Cost Estimating Software <br />3 <br />required rinses <br />Total Quantity of Rinse Water = <br />3,000 <br />gallons <br />Maximum Pump Capacity = <br />6,000 <br />gph/pump unit <br />Suction Head = <br />8 <br />feet <br />Discharge Head = <br />8 <br />feet <br />Total Head = <br />16 <br />feet <br />CIRCES Cost Estimating Software <br />