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. .CHASN.EY, ASSOCIATES, INC. <br /> „C:ONSULTING ENGINEERS., <br /> 4979 OLSON MEMORIAL HIGHWAY MINNEAPOLIS,MINNESOTA 55422 PHONE 612/546-3355 <br /> August 17, 1992 <br /> Mr. Glenn Gauger <br /> Ulteig Engineers, Inc. <br /> 5201 East River Road <br /> Suite 308 <br /> Minneapolis, MN 55421 <br /> Re: Apache Mall Evaluation <br /> Mechanical Systems <br /> File: L9253COI <br /> Dear Mr. Gauger: <br /> The purpose of this letter is to outline the Mechanical system improvements for the New <br /> Market Building, Sports and Health Club Building, and Mobile Service Station Building at the <br /> Apache Mall Complex. The Mechanical system improvements are separated into two <br /> categories; those required by code and those that we recommend prior to tenant occupancy. <br /> NEW MARKET WELDING- 90,250 SQ FT <br /> Code Requirements: <br /> There are two major code violations that require modification of the existing systems. <br /> 1. Relocate two exhaust fans and one flue. There are two exhaust fans and one flue <br /> within the minimum required 20 foot distance from an outside air intake. <br /> 2. Install eight smoke detectors. Each of eight heating, ventilating, and cooling units <br /> require a smoke detector in the return air stream to shut the fan down upon detection of <br /> smoke. <br /> A new sprinkler system has recently been installed and requires no modifications for code <br /> compliance other than those that may result from specific tenant needs or re-partitioning of the <br /> building. <br /> Mechanical System Improvements: <br /> 1. Replace each of four existing indoor heating, cooling, and ventilating units with new <br /> rooftop units. The existing units were installed with the original building in 1962 and <br /> are near the end of their useful life. The existing units also are not capable of cooling in <br /> an economizer cycle. <br /> J / <br /> f - <br /> A <br />