Washington Administrative Code
Title 246 - Health, Department of
FACILITY STANDARDS AND LICENSING
Chapter 246-366A - Environmental health and safety standards for primary and secondary schools
Section 246-366A-100 - Noise control - Construction requirements
Current through Register Vol. 24-24, December 15, 2024
(1) School officials shall design ventilation equipment and other mechanical noise sources in classrooms to provide background sound which conforms to a noise criterion curve or equivalent not to exceed NC-35. School officials shall certify, or hire the appropriate person to certify, that ventilation equipment and other mechanical noise sources that have been installed meet the NC-35 noise criterion design standard.
(2) Portable classrooms constructed before January 1, 1990, moved within the same school property or within the same school district, are exempt from the requirements of this section if the portable classrooms meet all of the following criteria:
Statutory Authority: RCW 43.20.050. 10-01-174, 10-12-018 and 11-10-080, § 246-366A-100, filed 12/22/09, 5/21/10 and 5/3/11, effective 7/1/13.