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measures integrated into the operation. Noise study has been conducted for <br />operations on the site and filed with DRMS. <br />Typical sources of noise associated with sand and gravel extraction include <br />operation of mobile and stationary equipment (engine, conveyor and like <br />noises), back-up alarms, movements of vehicles inside and to and from the site <br />(brakes, acceleration, etc.), and noises associated with heavy machinery and <br />construction. During periods when traffic is not present on SH-160, other sounds <br />carry well, but trees and the terrain help contain noise, and SH-160 is normally <br />busy during planned operating hours. <br />The nearest off-site dwellings are the businesses residences to the southeast <br />and south of the property (see Exhibit O). The layout of the site, retention of a <br />200-foot buffer zone along the south and southeast property boundaries (outside <br />the permit boundary) and the planned configuration of mining reduce noise <br />impacts on these locations. Noise levels will remain under the state-mandated 55 <br />dBA at those receptors. <br />NOISE CONTROL <br />The proposed layout of the pit takes noise control and reduction into <br />account. Most noise from excavation, loading, screening, washing, crushing, <br />and other operations at the site will be done in areas below grade, so that the <br />walls of the pit will reflect sound up and away from adjacent properties and <br />roads and other areas where people are often present. Only stripping will be <br />conducted above grade. This will allow the terrain features on site and off-site to <br />act as sound barriers for receptors. <br />Operating procedures for the work site are designed and implemented to <br />reduce the impact of noise in the area and for neighbors. There will be no <br />blasting. Operating hours, maintenance of noise controls on equipment, and <br />training of personnel will be conducted in accordance with local requirements. <br />Operations will move constantly away from the houses located to the southeast, <br />and wooded areas, as well as the terrain, will buffer these and other potential <br />receptors. Other neighbors are not located where general pit operations will be <br />heard, but may be affected by traffic noises. <br />All complaints received by the operator will be recorded and investigated <br />immediately. New methods of noise control will be regularly considered and <br />adopted when feasible. <br />Exhibits for 112(c) AM-02 Application -M-1994-108-2010- Page 65