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E� tzl <br />.S0 <br />��-3rn <br />�C O <br />H 70 <br />y H H <br />x <br />OH <br />NOMg <br />ZH <br />t"H <br />HH <br />gy <br />H <br />C,JdCO <br />jjmr <br />Z H-a rn <br />HOra <br />flf2 <br />aw <br />C <br />o mi <br />VROW <br />O <br />aa� <br />13. Noiee <br />a. Noise emitted from the site measured at the south boundary line <br />of the one hundred fifty (150) foot buffer located between the <br />residential area and the office and industrial park shall be <br />regulated as a Class I1 Source as defined in Everett Municipal <br />Code (E.M.C.) 20.08. as amended. <br />I. The maximum permissible noise level at the south boundary <br />of the buffer adjacent to the area designated for <br />residential uses is 57 dB(A). <br />11. The maximum permissible sole* level established in <br />condition 13.a.i. above shall be modified, reduced, or <br />increased as follows: <br />(1). Between the hours of ten p.m. and seven a.m. during <br />weekdays, and between the hours of ten p.m. and <br />nice a.m. on weekends, the level established in <br />condition 13.a.i. above 1s reduced by ten dB(A). <br />(2). At any hour of the day or night, for any source of <br />sound which is of short duration, the level <br />established by this condition are increased by: <br />five dB(A) for a total of fifteen minutes In any <br />one -hour period; or ten dB(A) for a total of five <br />minutes is any on -hour period; or fifteen dB(A) <br />for a total of 1.5 minutes in any one -hour period. <br />b. Mechanical systems shall be shielded to prevent noise levels <br />exceeding those prescribed by the City's Noise Ordinance E(C <br />20.08. <br />14. Air Pollution <br />No accivity or use on the office and industrial park shall cause or <br />pereit the emission of an air contaminant in sufficient quantity and <br />of such characteristics and duration as is or is likely to be <br />injurious to human health, plant or animal life, or property or which <br />unreasonably interferes with the enjoyment of life and property. <br />15. Vibrations <br />Vibration from any machine, operation or process in the office and <br />industrial park shall not exceed 0.003 of one inch displacement <br />applied to the frequency range of zero to five thousand cycles per <br />second, as measured off the lot so which such machine, operation or <br />process is located. <br />16. Radiation <br />Ionizing radiation is defined and regulated by the State of <br />Washington pursuant to R.C.W. 70.98. Development an this property <br />shall comply with the applicable State regulations. <br />17. Electromagnetic Radiative., <br />Provisions shall be made as necessary to shield or otherwise minimize <br />Interference occasioned by mechanical, electrical and nuclear <br />equipment, uses, or processes with electrical apparatus In nearby <br />'uuildings or land uses. <br />RROR25OO24 <br />