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2. That wherever the plant Was located the cost of pumpin8 <br /> raw water to the plant or treated water away from the plant <br /> would be equivalent, and that the majority o[ the water <br /> would eventually have to reach the Csncord/Kannapolis area <br /> where most of the water is used. <br /> <br /> 3.The elevation of the major water users is 700 feet, aa <br /> <br /> an average. (This is the elevation at Concord.) The actual <br /> range within the watershed is 500 to 910 feet mean sea <br /> level~ <br /> <br /> 4. Previous cost estimates were assumed correct and adjusted <br /> to 1982 prices by assuming a 10% cost increase per year. <br /> Sources of estimates are identified. <br /> <br /> 5.Electricity cost 5¢ per kilowatt hour, and increases 10% <br /> <br /> Operation and maintenance costs are considered equal. However, <br /> it would, in reality, be much higher for a groundwater <br /> installation as pumps would need to be maintained and over- <br /> hauled throughout their life. They would also have to <br /> be replaced' after about ten (10) years. <br /> <br /> Table 6 summerizes the costs. <br /> <br />Groundwater <br /> <br /> Construction: <br /> 270 wells @ $20,0001/well $ 5,400,000 <br /> 270 pumps replaced at 10 yrs. @$10,000 ea. $ 2,700,000 <br /> <br /> Pumping Costs (without distribution): <br /> <br /> from 162' well, water temperature 40~F <br /> and 35% pump efficiency $964,980/yr <br /> <br /> 20-Year Pumping Costs: $ 55,269,230 <br /> Present Value: $ 9,416,670 <br /> <br /> /0 <br /> <br /> <br />