BAC SP #2 0002

(1) in new construction, plans submitted under WAC 246-366-040 shall specify ventilation equipment and other mechanical noise sources in classrooms are designed to provide background sound which conforms to a noise criterion curve or equivalent not to exceed NC-35. The owner shall certify equipment and features are installed according to the approved plans (2) in new construction, the actual background noise at any student location within the classroom shall not exceed 45 dBA (Leg*) and 70 dB (Leq*) (unweighted scale) where x is thirty seconds or more. The health officer shall determine compliance with this section when the ventilation system and the ventilation system's noise generating components, e.g_, condenser, heat pump, etc., are in operation (3) Existing portable classrooms, constructed before January 1, 1990, moved from one site to another on the same school property or within the same school district are exempt from the requirements of this section if the portable classrooms meet the following: (a) Noise abating or noise generating features shall not be altered in a manner that may increase noise levels; (b) The portable classrooms were previously in use for general instruction; (c) Ownership of the portable classrooms will remain the same; and (d) The new site is in compliance with WAC 246-366-030(3). (4) in new construction, the maximum ambient noise level in industrial arts, vocational agriculture and trade, and industrial classrooms shall not exceed 65 dBA when all fume and dust exhaust systems are operating. (5) The maximum noise exposure for students in vocational education…

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PSCAA Advisory Council Meeting Agenda
Add to CalendarMWednesday Mar 11, 9:00am - 11:35am
1904 3rd Avenue, Suite 105, Seattle, WA 98101
Call to order – Roll Call – Quorum Established – Land Acknowledgement We would like to acknowledge that our Agency operates in four present-day counties, which are the traditional lands of the Coast Salish people, past and present. This acknowledgement does not take the place of authentic relationships with indigenous communities in our jurisdiction and [...]