Item 1: PH on Ordinance Concerning Noise Disturbance

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9.638 Eugene Code 9.644 .\ .~:' 9.638 Existinq Uses. Activities. uses. equipment and processes existing as of January 27. 1982. that do not meet the standards set forth in sections 9.636 to 9.662 are subject to the following requirements: (a) No use shall be changed in a manner that could result in a greater degree of nonconformity. -(b) Expansions and installation of new equipment or processes sha 11 conform to app 1 i cab 1 e standa rds as set forth in sections 9.636 to 9.662. . (c) Time limits on existing use noise emissions that exceed stipulated maximums are prescribed in section 9.644(b). (d ) All uses. not otherwi se prescri bed by thi s ordi nance sha 11 conform to app 1 i cab 1 e, federa 1. state, and 1 oca 1 1 aws and regulations. (Sections 9.638 added by Ordinance No. 18915. enacted January 27. 1982.) 9.640 New Uses. Activities. uses. equipment and proc~sses established after January 27. 1982, shall observe the following requirements: (a) Applicable standards as set forth 'in sections 9.636 to 9.662. When federal or state standards are more strict. they shall be observed. (b) Prior to issuance of abuilding permit or certificate of occupancy. the bUilding official may require: 1. E vi dence that mandatory federa 1, state. and 1 oca 1 permits have been obtained. 2. Information demonstra.ting that the proposed use, activity, process or equipment will comply with applicable standards set forth in sections 9.636 to 9.662. This informa- t i on may be requi red as a report of findi ngs prepa red by qualified engineers or other technical consultants. (Section 9.640 added by Ordinance No..18915. enacted January 27. 1982.) 9.642 Measurements. Accurate and representative measurements as necessary shall be made according to accepted engineering practice. Measure- ments sha 11 be made at or anywhere beyond the property 1 i nes :of the property from which the emission is generated. . (Sections 9.642 added by Ordinance No. 18915. enacted January 27. 1ge2.) 9.644 Noise. In addition to applicable provisions in Chapter 4 of this code. maxi mum sound em; ss ions sha 11 not exceed equi va 1 ent sound pressure levels in decibels. A-Weighted Scale. for anyone hour as stipulated in the table in this section. These maximums are applicable beyond any property 1 i nes of the property conta i ni ng the noi se . Equi va 1 ent sound pressure 1 eve 1 (Leq) is a measure of the sound level for anyone hour. It is the energy average of a1.l the various sounds emitted from the source during the hour. A-Weighted Scale is used to adjust sound measurements to simulate the sensitivity of the human ear. {-'. -- ~~' 9-207 12/23/93.