Laserfiche WebLink
y..,� <br /> � <br /> .. Y <br /> 1��� <br /> Q � � <br /> ��� <br /> ��� Mc . Lacey McCauley <br /> �o� May 19, 1989 <br /> �� Page Two <br /> p�a� <br /> �H� Sound levels at the site were measuced at r��r ' ocations during the <br /> y p,m, peak tcaffic period on 'Phur=day, M,y 18, 1989 . Yhe lccations <br /> N <br /> 57�� were as follows : <br /> � <br /> t � <br /> y 1. At the no[the[n site boundacy, which is the SR 52 <br /> O tA <br /> �ight-of-way. <br /> ;!. At the t�roposed building location closest to SR 526, 20 feet <br /> south of the highway cight-of-way, at a first story ceceiver <br /> elevation. This location is pa[tially screened <br /> topog[aphically fcom the highway, which is about 20 feet lowet <br /> in elevation . The noise descLiptor measured was the <br /> equivalent, or energy-average, sound level, Leq. In freeway <br /> ,.•,..� envi[ons, the LP� for peak traffic hou[s is about the eame <br /> �I level as the day-ni9ht average sound level, La�, which is <br /> the Leq ove� 24 hou[s with 10 dBA added to the Lf � Eo[ <br /> � <br /> C� nighttime hours because of increased noise sensitivity at <br /> night. At this site, eithe[ descriptor is conaidered <br /> appropciate fo� characterizing the noise environment. <br /> �� The measu[ed sound levels were as follows : <br /> � PM Peak Tcaffic Period Le <br /> � ,_1� Location <br /> i <br /> ` <br /> 73 dBA <br /> SR 52G cight-of-way <br /> I 1� <br /> �� 67 dBA <br /> Building location closest to SR 526, first story <br /> � pased on these measurements and a distance adjustment to a second <br /> story receivec locati.on, the no[theenmost buildinys would have ttie <br /> tollowing exterioe sound levels : <br /> F'irst story: G7 dI3A <br /> Second �Cocy: 72 d[�A <br /> Tc- �e, Richerds & Chaudiera inc. <br />