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t. , , <br /> ..... <br /> _ .__— I IJ!�-OF-'6? T��'I I5:�U I D:FI�GFT I,if`_�T COI ISTFCTI I T[L I10:_On C'75-£:�11 d518 P0� __, <br /> � � <br /> � �� Tb�wne,Richards & Chaudiere,Inc. <br /> p � Cor�euitaMa In Sound and Vlbratton <br /> ��� A , <br /> , <br /> � , ,., � r,::f � <br /> ��Q� October 31 , 1989 � <br /> ��� ' <br /> � <br /> p�g Mr. Hdnk Lewts <br /> Hovde Associates <br /> � y� P. 0. BoX 658 <br /> � f�nonds, WA 98020 <br /> �y H <br /> Wy <br /> � Re: Casino Road Apertmonts, Noise Measurements and Recomnendations <br /> �u <br /> Oet�r Mr. Lewis: <br /> - TM s report presents thQ results of noiso measurements mado at the slte of a <br /> ��� �I'OOOiiO 1'ffi111RfIL1111 APYP�f111mPt1i� hPtWPPfI 5R 57fi �IIfA fnttnn AnnA 1n sniith <br /> Snohemish Ceunty. Th• slt• 1e loeatod [outh of SR 626 and north ot Ca�1no <br /> � RoeE, nnd is subJected to nalse fr�nn traffic on Sa 526. The results of the <br /> I �� ;neasurements were evaluated wlth respect to Snohomish County Planning <br /> Dep�t'lment requtrements. <br /> I Tne nolse mensurement locatton was 80 feet south of 'che fenCe line on the <br /> �� <br /> north side of the property end 75 feet east of the west property ne. <br /> �� Two simultaneous measurements were mede, Nith one microphone pocittoned 6 eet <br /> above ground 1eve1 and another located 12 feet ebove ground 1eve1 Lo <br /> �� epproxtmate conditions tn a second floor untt. <br /> --- The noise moasurements were mado atarLing at 3:00 p.m, on September 26, 1989, <br /> for e ttme period of 45 minutes. Thts timo period was of sufflcient length to <br /> obtatn an accurete steti�tical meusure of traffic noise at the s1te. <br /> '������ � ' The energy evcre9e nolse level (symbolized leQ) at the 6 foot elevation <br /> ,����s measured 69 dBA aud 70 d0A at the 12 foot elevetion. The noise levels were <br /> tf �; <br /> �`'��,�,��^ ! � , measured et en 90 foot setback fran the north fence linQ of the property, and <br /> ` rz�y� „ <br /> �� J' `N 't'•, 10DNlG�Ii•5r�m 3tln:'1! N'Fs�.,r.�i�,,•ndrrF . .�i��:! ': <br /> „ . . . . cn%.M t:YClv� <br />