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§ 974.05 (3) (4) INDIAN RIVER COUNTY CODE If the noise occurs at any time on Sunday or holidays, the decibel level applicable between 10:00 p.m. and 6:00 a.m. shall prevail. Noise levels shall not exceed the peak noise levels, independent of time dura- tion, set out in Table II below: TABLE II. PEAK NOISE LEVELS Zoning District NBA) Sound Level in Decibels A -Scale Conservation 75 Residential 80 Commercial 85 Industrial 85 Agricultural 85 (5) For noise of impulsive character (hammer- ing, etc.), the permissible decibel levels set out in Table I shall be corrected by subtracting five (5) decibels. Impulsive sound is any sound of short duration, usually less than one second with an abrupt onset and rapid decay, e.g. explo- sions and blasting. (Ord. No. 90-16, § 1, 9-11-90; Ord. No. 2011-008, § 2, 9-13-11) Section 974.06. Exemptions. The following noises or vibrations shall be exempt from the restrictions set forth in the other sections of this chapter. (1) Noises of authorized safety signals and warning devices; (2) (3) Noises resulting from any authorized emer- gency vehicle, when responding to an emer- gency call or acting in time of emergency or any other public safety operation; Noises resulting from emergency work, which is to be construed as work made necessary to restore property to a safe condition following a public calamity, or work required to protect persons or prop- erty from any imminent exposure to dan- ger; Supp. No. 88 974/4 (4) Noises incidental to mosquito control ac- tivities by the Indian River County Mos- quito Control Board; (5) Noises incidental to the activities of bona fide agricultural operations; (6) Noises resulting from use of an emer- gency power generator during a power outage, provided that the generator is operated in accordance with manufactur- er's specifications, with all standard equip- ment, and is in proper operating condi- tion. Notwithstanding, noises resulting from use or testing of a generator by a utility company to support installation, repair, maintenance, or restoration of ser- vice operations are exempt from the re- strictions set forth in this chapter; (7) Noises or vibrations associated with uses or activities whereby an administrative approval to produce such noises orvibra- tions contrary to the restrictions of this chapter has been obtained from the com- munity development director, as set forth in section 974.07 of this chapter. (Ord. No. 90-16, § 1, 9-11-90; Ord. No. 200 -016, § 2, 10-13-09) Section 974.07. Opportunity for administra- tive approval. A deviation from the provisions of this chapter may be granted via an administrative approval from the community development director. In reviewing a request for an exemption from the noise and vibration restrictions of this chapter, the community development director shall con- sider the following factors: Whether or not the proposed use or activity necessarily warrants a deviation from the noise and vibration restrictions of this chapter; Whether or not the noise and/or vibration as- sociated with the proposed use or activi y is compatible with surrounding land uses so as not to create a disturbance to adjacent properti s; Whether or not the applicant has taken c take all effort to limit excessive noises or tions associated with the proposed use or ac to meet the intent of this chapter; and will ibra- ivity 164