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ANSI/ASA S12.60 PART 2

2009 Edition, September 2, 2009

Complete Document

American National Standard Acoustical Performance Criteria, Design Requirements, and Guidelines for Schools, Part 2: Relocatable Classroom Factors

Includes all amendments and changes through Reaffirmation Notice , September 11, 2014


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ANSI/ASA S12.60 PART 1

Product Details:

  • Revision: 2009 Edition, September 2, 2009
  • Published Date: September 11, 2014
  • Status: Active, Most Current
  • Document Language: English
  • Published By: Acoustical Society of America (ASA)
  • Page Count: 34
  • ANSI Approved: Yes
  • DoD Adopted: No

Description / Abstract:

This part of ANSI/ASA S12.60 is applicable to relocatable classrooms and other relocatable modular core learning spaces of small to moderate size. This standard includes siting requirements, acoustical performance criteria, and design requirements for relocatable classrooms. Annex A (informative) provides commentary information on this standard, and Annex B (normative) provides procedures for determining compliance with the background sound requirements. This standard seeks to provide design flexibility without compromising the goal of obtaining adequate speech intelligibility for all students and teachers in classrooms and learning spaces within the scope of this standard.

Acoustical performance criteria are specified in this standard by limits on maximum one-hour Aweighted and C-weighted background noise levels and limits on maximum reverberation times.

The control of background noise levels in this standard is achieved, in part, by specifying the minimum outdoor-to-indoor level reduction for noise that intrudes into the classroom or learning space from sources outside of the school building envelope, and noise isolation for school building elements for noise that originates within the school building and intrudes into the classroom through classroom walls and partitions, floor-ceiling assemblies, and ventilation systems.

This standard does not apply to noise generated within a classroom by its occupants. Occupantgenerated noise sources include voices and the sounds of classroom activities such as the moving of chairs. Furthermore, this standard does not apply to the noise from portable or permanent built-in equipment used during the course of instruction, such as audiovisual equipment and computers.

The following annexes are provided to support this standard. 

  • Annex A: Commentary: Additional information, discussion, and explanation of various provisions of the standard (informative).
  • Annex B: Determining compliance with the background sound requirements (normative).


Purpose

This standard, in conjunction with the information provided in the commentary and annexes, is intended to help school planners and designers provide the acoustical qualities necessary for good speech communication between students and teachers in classrooms and other learning spaces without the use of electronic amplification systems. This standard is also intended to provide a minimum set of requirements that can be adopted by reference to this standard and enforced by an authority having jurisdiction