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M-1977-410 <br />Technical Revision 10 <br />April 26, 2022 <br />18 <br /> <br />Cross Caribou Water Treatment <br />Operations, Maintenance and Monitoring <br />ANNUAL BASIS - averaged over the last three months of operation <br />ID ITEM QTY.UNIT UNIT COST TOTAL Notes <br />C-01 Filtration Media 416 ea.15.00$ 6,240.00$ Rep. once per week per filter (8 filters) <br />C-02 Polishing Media 2 ea.25,000.00$ 50,000.00$ Rep.every two years (2 vessels) <br />E-01 Filtration System Equipment 3 ea.300.00$ 900.00$ Operational Life 20 years <br />E-02 Polishing System Equipment 3 ea.1,500.00$ 4,500.00$ Operational Life 20 years <br />E-03 Control Valves 20 ea.30.00$ 600.00$ Operational Life 10 years <br />E-04 In-Plant Piping 50 ft.1.50$ 75.00$ Operational Life 10 years <br />E-05 External Piping 600 ft.1.25$ 750.00$ Operational Life 20 years <br />E-06 Instrumentation 12 ea.50.00$ 600.00$ Operational Life 15 years <br />O-01 Water Quality Sampling and Testing 24 ea.300.00$ 7,200.00$ Two Effluent Sample per month <br />O-02 Inspection and Sample Collection 208 hr.45.00$ 9,360.00$ One visit per week 8 hour day contractor <br />O-03 Data Processing and Reporting 24 hr.75.00$ 1,800.00$ 4 hours per month contractor <br />82,025.00$ <br />6,835.42$ <br />C = Consumables, E = Equipment, O = Operations <br />Total Annual Avg. <br />Total Monthly Avg. <br /> <br /> <br /> <br />Table 3 Cross Caribou Mines Water Treatment – Operations, Maintenance and Monitoring Annual Cost Estimate <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />