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� <br /> . . . <br /> PURCHASING& INTERNAL SERVICES MEMORANDUM <br /> #99 - 45 <br /> August 19, 1999 <br /> TO: The Honorable Mayor and City Council Members <br /> FROM: James Williams, Jr., City Manager <br /> Beth Couter, Financial Management Director <br /> Deborah M. Perry, Pwchasing Supervisor�.'� <br /> SUBJECT: UPS BIDS <br /> Attached you will find a bid summary for a UPS backup system to be used for the City's radio <br /> system in the event of a power failure. <br /> The low bid of Sepco, Inc. does not meet City of Decatur specifications in two areas as follows: <br /> Citv of Decatur Specifications Sepco, Inc. <br /> - System continuous rating: 15kVA 12kVA rating <br /> over the entire battery voltage range . <br /> at specified output power factor. <br /> Maintain output voltage within specified <br /> limits at any load from full load to no load. <br /> - Maintenance bypass switch. No service bypass panel <br /> included. <br /> The smaller kVA rating on the Liebert model that Sepco bid is a problem because there would <br /> not be enough capacity to run the system when the power fails for the building and the radios. <br /> In addition, a system with no bypass switch means that maintenance can only be done by shutting <br /> the power down to the entire building. <br /> The second low bid of D & B Power Associates Inc. meets the City of Decatur specifications in <br /> the areas mentioned above. <br /> It is staff recommendation to accept the bid of D & B Power Associates Inc. to furnish one (1) <br /> American Power Conversion Silcon DP315E UPS backup system for$16,970. <br />