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• <br /> MEMORANDUM <br /> DATE: November 8, 1995 <br /> TO: _ Michael Mornson, City Manager <br /> FROM: Larry Hamer, Public Works Director <br /> ITEM: VARIABLE SPEED DRIVE FOR HIGH SERVICE PUMPS <br /> The City is concerned in the conservation of our natural resources while at the <br /> same time saving money in energy costs. This unit will meet both these <br /> concerns. <br /> Our goals are as follows: <br /> • to save pumping costs <br /> • to save overtime costs for tower maintenance <br /> • to eliminate-wasting water, i.e., when we need 500 gallons of water per <br /> minute, we will not waste 1,000 GPM, when we do maintenance on the <br /> tower. <br /> RECOMMENDATION <br /> I recommend the City does half the changeover in 1995 and out of that year's <br /> budget and the remainder of the changeover cost would come out of the 1996 <br /> budget. Installation can be done according to the attached quotation of$13,715 <br /> in 1995 and completion of the drive in 1996 for an additional $11,000. <br />