AMERICAN NATIONAL STANDARD ACOUSTICAL …

1 AMERICAN NATIONAL STANDARDACOUSTICAL PERFORMANCECRITERIA, design requirements ,AND GUIDELINES FOR SCHOOLSA ccredited standards Committee S12, NoiseStandards SecretariatAcoustical Society of America35 Pinelawn Road, Suite 114 EMelville, NY 11747-3177 ANSI material licensed to Greg Johnson, order #: 5247 for licensee s use only. Single user license and Networking prohibited. Document provided by ACOUSTICAL Society of America, 03/19/07, 16:15:49 The AMERICAN NATIONAL standards Institute, Inc. (ANSI) is the na-tional coordinator of voluntary standards development and the clear-inghouse in the for information on NATIONAL and ACOUSTICAL Society of America (ASA) is an organization of sci-entists and engineers formed in 1929 to increase and diffuse theknowledge of acoustics and to promote its practical material licensed to Greg Johnson, order #: 5247 for licensee s use only.

2 Single user license and Networking prohibited. Document provided by ACOUSTICAL Society of America, 03/19/07, 16:15:49 AMERICAN NATIONAL STANDARDA coustical performance criteria , design requirements ,and Guidelines for SchoolsSecretariatAcoustical Society of AmericaApproved 26 June 2002 AMERICAN NATIONAL standards Institute, STANDARD provides ACOUSTICAL performance criteria , design requirements , and design guidelines fornew school classrooms and other learning spaces. The STANDARD may be applied when practicable to themajor renovation of existing classrooms. These criteria , requirements , and guidelines are keyed to theacoustical qualities needed to achieve a high degree of speech intelligibility in learning spaces.

3 Designguidelines in informative annexes are intended to aid in conforming to the performance and designrequirements, but do not guarantee conformance. Test procedures are provided in an annex whenconformance to this STANDARD is to be material licensed to Greg Johnson, order #: 5247 for licensee s use only. Single user license and Networking prohibited. Document provided by ACOUSTICAL Society of America, 03/19/07, 16:15:49 AMERICAN NATIONAL standards ON ACOUSTICSThe ACOUSTICAL Society of America (ASA) provides the Secretariat for AccreditedStandards Committees S1 on Acoustics, S2 on Mechanical Vibration and Shock,S3 on Bioacoustics, and S12 on Noise.

4 These committees have wide represen-tation from the technical community (manufacturers, consumers, trade associa-tions, general-interest and government representatives). The standards are pub-lished by the ACOUSTICAL Society of America through the AMERICAN Institute ofPhysics as AMERICAN NATIONAL standards after approval by their respective Stan-dards Committees and the AMERICAN NATIONAL standards standards are developed and published as a public service to providestandards useful to the public, industry, and consumers, and to Federal, State, andlocal of the accredited standards Committees, operating in accordance with pro-cedures approved by AMERICAN NATIONAL standards Institute (ANSI)

5 , is responsiblefor developing, voting upon, and maintaining or revising its own standards . TheASA standards Secretariat administers Committee organization and activity andprovides liaison between the Accredited standards Committees and ANSI. Afterthe standards have been produced and adopted by the Accredited StandardsCommittees, and approved as AMERICAN NATIONAL standards by ANSI, the ASAS tandards Secretariat arranges for their publication and AMERICAN NATIONAL STANDARD implies a consensus of those substantially con-cerned with its scope and provisions. Consensus is established when, in thejudgment of the ANSI Board of standards Review, substantial agreement hasbeen reached by directly and materially affected interests.

6 Substantial agreementmeans much more than a simple majority, but not necessarily unanimity. Consen-sus requires that all views and objections be considered and that a concertedeffort be made towards their use of AMERICAN NATIONAL standards is completely voluntary. Their existencedoes not in any respect preclude anyone, whether he or she has approved theStandards or not, from manufacturing, marketing, purchasing, or using products,processes, or procedures not conforming to the : This AMERICAN NATIONAL STANDARD may be revised or withdrawn at anytime. The procedures of the AMERICAN NATIONAL standards Institute require thataction be taken periodically to reaffirm, revise, or withdraw this SecretariatAcoustical Society of America35 Pinelawn Road, Suite 114 EMelville, New York 11747-3177 Telephone:11 631 390 0215 Telefax:11 631 390 0217E-mail: 2002 by ACOUSTICAL Society of America.

7 This STANDARD may not be reproduced in whole orin part in any form for sale, promotion, or any commercial purpose, or any purpose notfalling within the provisions of the Copyright Act of 1976, without prior written permission ofthe publisher. For permission, address a request to the standards Secretariat of the Acous-tical Society of material licensed to Greg Johnson, order #: 5247 for licensee s use only. Single user license and Networking prohibited. Document provided by ACOUSTICAL Society of America, 03/19/07, 16:15 , purpose and performance criteria and noise isolation designrequirements and for ACOUSTICAL performance guidelines for noise control for building services,utilities, and instructional guidelines for controlling reverberation in classroomsand other learning guidelines for noise Good architectural practices and procedures to verifyconformance to this conflicts between the ACOUSTICAL requirements of thisstandard and indoor air quality (IAQ) and multiple chemicalsensitivity (MCS).

8 34 GCautionary remarks on using supplemental descriptors forevaluating noise in classrooms and other learning A-weighted steady background noise levels andmaximum reverberation times in unoccupied, furnishedlearning STC ratings required for single or composite wall,floor-ceiling, and roof-ceiling assemblies that separate anenclosed core learning space from an adjacent STC ratings recommended for single or composite wall,floor-ceiling and roof-ceiling assemblies separating an ancillaryspace from an adjacent surface area of ACOUSTICAL treatment for differentsound absorption coefficients, ceiling heights, and difference between the minimum STC ratingrequired for building envelope components and the requiredoutdoor-to-indoor noise level data for estimating the STC rating of a two-elementcomposite building material licensed to Greg Johnson, order #: 5247 for licensee s use only.

9 Single user license and Networking prohibited. Document provided by ACOUSTICAL Society of America, 03/19/07, 16:15:49 Foreword[This foreword is for information only and is not an integral part of AmericanNational StandardAcoustical performance criteria , design requirements , andGuidelines for Schools.]This STANDARD contains 7 STANDARD was developed under the jurisdiction of Accredited standards Com-mittee S12, Noise, which has the following scope: standards , specifications, and terminology in the field of ACOUSTICAL noise pertainingto methods of measurement, evaluation, and control, including biological safety, tol-erance, and comfort, and physical acoustics as related to environmental and occu-pational the time this STANDARD was submitted to Accredited standards Committee S12,Noise, for final approval, the membership was as Schomer, Hellweg,Vice Blaeser,SecretaryAbbot D.

10 WaltonB. Muto (Alt.) ACOUSTICAL Society of Galloway (Alt.)Aearo and Refrigeration Institute (ARI).. Darbeau (Alt.)Aluminum Company of America (ALCOA).. GallagherAmerican Academy of Otolaryngology,Head and Neck Surgery, Michael (Alt.) AMERICAN College of Occupational Sataloff (Alt.) AMERICAN Industrial Hygiene D. DriscollJ. Banach (Alt.) AMERICAN Otological NauntonAmerican Society of Heating, Refrigeration, andAir-Conditioning Engineers (ASHRAE).. PeiC. Ramspeck (Alt.) AMERICAN Speech-Hearing-Language Association (ASHA).. RoysterR. Levinson(Alt.)Audio Engineering Society, ChialD.