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2010 ADA Standards for Accessible Design Pocket Guide

6. Classroom Acoustics

The Board is undertaking rulemaking to address acoustics in classrooms by referencing a voluntary consensus standard developed by the Acoustical Society of America (ASA) with support from the Board. Accredited by the American National Standards Institute (ANSI), the “ANSI/ASA S12.60-2010 American National Standard Acoustical Performance Criteria, Design Requirements, and Guidelines for Schools (Parts 1 and 2)” sets specific criteria for maximum background noise and reverberation time in classrooms. Consistent with long-standing recommendations for good practice in educational settings, the standard set specific criteria for maximum background noise (35 decibels) and reverberation time (0.6 to 0.7 seconds) for unoccupied classrooms. Once these guidelines are adopted by the Department of Justice, they will become enforceable standards under the ADA.  More information may be found on the Access Board’s website at https://www.access-board.gov/guidelines-and-standards/buildings-and-sites/classroom-acoustics.


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