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<br />davtd b~ b __aclac__,lncarparat:ed <br /> <br />1313 5th street s.e. . suite 322 · minneapolis. mn 55414 <br />talephone: 612-331-4571 · fax: 612-331-4572 <br /> <br />7 May 1996 <br /> <br />MEMORANDUM <br /> <br />TO: <br /> <br />Mike Falk <br /> <br />FROM: <br /> <br />Dave Braslau <br /> <br />RE: <br /> <br />Service Station/Car Wash Facility - Lexington/Roselawn - Noise Assessment <br /> <br />This Memorandum addresses expected noise levels on adjacent properties associated with the <br />proposed service station and car wash facility to be located in the southwest comer of the <br />intersection of Lexington and Roselawn Avenues in Roseville, Minnesota. <br /> <br />Noise levels have been estimated from information on the Car Wash provided by the proposer <br />and sound level measurements made at the Superamerica station located in the southwest comer <br />ofthe intersection of County Road D and Old Highway 8 in Roseville. Noise level <br />measurements on the proposed Mark 7 car wash installation are included as Attachment A. A <br />Memorandum containing the results of the noise level measurements of the Superamerica station <br />is included here as Attachment B. <br /> <br />The layout of the proposed facility relative to adjacent properties is shown in EXHIBIT 1. The <br />noise sources considered in this assessment are shown in the table below. The level associated <br />with a vacuum is based upon measurements made at the Superamerica station in Roseville <br />although the one to be installed at the site will be of a different manufacture. No sound level <br />information is available on compressors at the site although Bruce Kath has indicated that only <br />two will be located on the roof of the building which will be surrounded by a 7-foot high <br />extension of the building wall. Estimates of noise at the nearest structures is based upon data <br />measured at Superamerica but shielded by a wall. <br /> <br /> Level Reference <br />Source (dBA) Distance Source of Sound Data <br />Car wash 54 45 feet Everest Group <br />Vacuum 71 20 feet Measured by DBA at SAlRoseville <br />Compressors 72 20 feet Measured by DBA at SAlRoseville <br /> <br />Sound levels have been estimated at the nearest structures - three commercial structures located <br />in the NE, NW and SW quadrants of the intersection and three residential structures located east, <br />south and west of the site. <br />