CORRESPONDENCE - 75A (COMMENT) - Laserfiche WebLink

Home Browse Search

Chapter 4 Environmental Setting, Impacts, and Mitigation Measures Section 18-313 of the Municipal Code establishes interior noise standards that apply to all residential properties within the designation Noise Zone 1. Interior noise levels must not exceed 55 dBA between the hours of 7:00 A.M. and 10:00 P.M. or 45 dBA between the hours of 10:00 P.M. and 7:00 A.M., as shown in Table 4.8-8 (City of Santa Ana Noise Ordinance Interior Noise Standards). As with Section 18-312 of the Municipal Code, if the ambient noise level is greater than the identified noise standards, the noise standard becomes the ambient noise level without the offending noise. Noise Level That May Not Be Exceeded for More Than 7:00 A.M._10:00 P.M. 10:00 P.m,7.,00 A.M. 5 minutes in any hour 55 dBA 45 dBA 1 minute in any hour 60 dBA 50 dBA Any time 65 dBA 55 dBA SOURCE: City of Santa Ana Municipal Code Section 18-312 Interior noise measurements shall be made within the affected dwelling unit. The measurement shall be made at a point of least four (4) feet from the wall, ceiling, or floor nearest the alleged offensive noise source and may be made with the windows of the affected unit open. In the event the alleged offensive noise consists entirely of impact noise, simple tone noise, speech, music, or any combination thereof, each of the above noise levels shall be reduced by five (5) dB(A). Section 18-314 of the Noise Ordinance provides special provisions which exempt certain activities from the standards established in the Noise Ordinance. As such, the following activities are exempt: ■ Activities conducted on the grounds of any public or private nursery, elementary, intermediate or secondary school or college ■ Outdoor gatherings, public dances and shows, provided said events are conducted pursuant to a license issued by the City of Santa Ana ■ Activities conducted on any park or playground, provided such park or playground is owned and operated by a public entity ■ Any mechanical device, apparatus or equipment used, related to or connected with emergency machinery, vehicle or work ■ Noise sources associated with construction, repair, remodeling, or grading of any real property, provided said activities do not take place between the hours of 8:00 P.M. and 7:00 A.M. on weekdays, including Saturday, or any time on Sunday or a federal holiday m All mechanical devices, apparatus or equipment which are utilized for the protection or salvage of agricultural crops during periods of potential or actual frost damage or other adverse weather condition ■ Mobile noise sources associated with agricultural operations, provided such operations do not take place between the hours of 8:00 P.M. and 7:00 A.M. on weekdays, including Saturday, or at any time on Sunday or a federal holiday ■ Mobile noise sources associated with agricultural pest control through pesticide application, provided that the application is made in accordance with restricted material permits issued by or regulations enforced by the agricultural commissioner 4.8-16 City of Santa Ana Transit Zoning Code (SD 84A and SD 84B) EIR