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6 <br /> <br /> CONSERVATION AND <br />ENVIRONMENTAL MITIGATION ELEMENT <br /> <br />NOlS~ A'r~'~.,NUATION OBJECTIVE <br />To ACHIEVE ACCEPTABLE NOISE LEVELS FOR EACH LAND USE WITHIN THE PLANNING <br />AREA WHILE MINIMIZING RELIANCE ON TRADITIONAL SOUNDWALLS. <br /> <br />Noise Attenuation Policy 1: Location of Noise Sensitive Uses. Distribute <br />Phase I land uses as shown in the Land Use Diagram (Figure 3-1) to minimize <br />the location of sensitive uses near noise sources. <br /> <br />Noise Attenuation Policy 2: Noise Attenuation Strategies. Utilize a <br />combination of setbacks, berms, walls, building construction techniques and <br />physical orientation of buildings and uses as shown in the Noise Mitigation <br />Diagram: Figure 6-1 to achieve acceptable noise levels. <br /> <br />GUIDELINES: <br /> <br />2.1 <br /> <br />For exterior noise in Phase I residential uses located in areas subject to <br />noise from roadways: <br /> Construct berms, soundwalls and commercial/office buildings as <br /> shown in Figure 6-1 to achieve an exterior noise level of 65 dBA <br /> Ldn at most Phase I residential areas. <br /> Residences closest to a roadway sound source which cannot be <br /> buffered by the sound berm/wall plan shown in Figure 6-1 may <br /> be constructed without further exterior noise mitigation. <br /> Construction of quiet areas in rear yards, however, is <br /> encouraged. <br /> <br />6-1 <br /> <br /> <br />