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%7he noise ued in the <br />propcsedaresidence twould ibe partially offset by its proximity on provided by the construction materials <br />The <br />measurement location is about 82 feet from the SR-526, whereas the interior of <br />your proposed residence would be approximately 45 feet from SR-526. Because the <br />be located 37 feet closer to SR-526, traffic noise would <br />proposed residence would <br />be about 3 dB higher. The net result would be an approximate overall reduction <br />in interior sound levels of about 23 decibels compared with the mThis sound levl easured levels. <br />would allow the interior sound <br />bull-iing to bee reduction levels <br />well below the 45 dBA criteria specified by the Everett Planning <br />Department. <br />The Planning Department has also required a 6•foot high solid wood fence along <br />the north property lire. Although the attenuation benefit of the fence was not <br />evaluated for this pruject, the effectiveness of noise barriers such as this are <br />significantly reduced when the barrier obscures such a narrow segment of the <br />cent <br />traffic. <br />Unless the is <br />extended as by a noise barrier. <br />property owners, the fence <br />barrier <br />Please feel free to call if you have any questiors or if I can be of additional <br />assistance. <br />Res ctfuJ.� , <br />Eric Hansen <br />Senior Consulting Scientist <br />I QBJ <br />BJ <br />ITC <br />