Ordinance No. 20254 - Laserfiche WebLink

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ll>_ublic Hearing Mirmtes of April 11~ 2002 105 Sound l~rfier Wall Page 4 of 4 of each house. The "active area "was the location where most outdoor activities ' Y otc'ur. Mr. Noxon explained that he had two concerns regarding the accuracy of ODO ts~ eha; tq~ee ;tal s°~e~ eWnh; ~ ~t~ ~nX~trSough nm0}7~ ~ [.°ad n°~se a~ much as 5~ dBA. By the same token, normal road =o~ vy creating a smoo~ road surtace. Second~ Mr Nox whether the ODO . . on uestioned T model accounted for the absorptive quality of the ainted wall q that ~e ain whic - P ~ He noted p t, h was probably a lied to ' PP make it easier to remove sound This is . ~ graffiti, does not abso . especmlly ~ae of the higher frequency ~,~,-.~ .--^.~ ..... ~ .... rb -~ j ~,,,~,u [,,vuucec~ Dy nre8 on the road. Mr. Noxon expla/ned that in some cases, the wall could make the noise louder by changkng the direction and character of the sound. He noted that the trees that were cut had diffused the sound by scattering it. Mr~ Noxon suggested that there were a number of simple methods to reduce the noise ~mpact to the neighborhood. First, the paint on the upper one-third of the wall could be sa d re-establish its sound ~,~,,~.;:.. ..... ~..,: .. ~ . ~ ~ n blasted to these -ro-e~ie~ 2 ~,~,~(~ quinines, increasing the surthce roug~ess could further ~crease p p s. beconcl, ODOT could place concrete fire barriers along the side of Highway 1-105 to create a second sound barrier. These devices, which are about 3 feet tall, could reduce sound as much as 5 dBA. Finally, ODOT could repave the elevated section of Highway 1-105 tO reduce the greater than normal noise created by vehicles travel/rig over this rough section of the fromr°ad' betweenMr' NoXOnsevenCOncludedand ten thatdBA.a combination of these three actions could reduce the noise level Receiving no further comments, the public heahng was closed at 8:01 p.m. Respectfully Submitted,