1、The company listed above has provided generous financial support that allows this standard to be distributed without charge to the end user. ASAs recognition of this support does not imply endorsement of any product or service, nor does it imply that any product or service provided will achieve conf
2、ormance with the requirements of the standard. This company has no control over the content of the standard or its status as an American National Standard. Participation in the development of this and other American National Standards is open to all directly and materially affected parties. Acoustic
3、al Society of America, 2010. All rights reserved. ANSI/ASA S12.60-2010/Part 1 American National Standard Acoustical Performance Criteria, Design Requirements, and Guidelines for Schools, Part 1: Permanent Schools is made available to the end user as a public service by the following company. Armstr
4、ong Ceiling Systems 2500 Columbia Ave. (17603) P.O. Box 3001 Lancaster, PA 17604 (717) 397-0611 Armstrong is a worldwide leader in the manufacture and marketing of acoustical ceilings and suspension systems for commercial applications. Their commercial product portfolio also includes metal and wood
5、ceilings, i-ceilings and SoundScapes Acoustical Canopies. The Armst rong Ceiling Recycling Program, the only one of its kind, prevents landfill disposal by recycling old ceiling tiles. Acoustical Society of AmericaANSI/ASA S12.60-2010/Part 1 (Revision of ANSI/ASA S12.60-2002) AMERICAN NATIONAL STAND
6、ARDAcoustical Performance Criteria, Design Requirements, and Guidelines for Schools,Part 1: Permanent Schools Accredited Standards Committee S12, NoiseStandards Secretariat Acoustical Society of America 35 Pinelawn Road, Suite 114 E Melville, NY 11747-3177ANSI/ASA S12.60-2010/Part 1Includes Interpre
7、tations Approved in March 2014Reaffirmed by ANSI April 1, 2015 The American National Standards Institute, Inc. (ANSI) is the national coordinator of voluntary standards development and the clearinghouse in the U.S.A. for information on national and international standards. The Acoustical Society of
8、America (ASA) is an organization of scientists and engineers formed in 1929 to increase and diffuse the knowledge of acoustics and to promote its practical applications. ANSI/ASA S12.60-2010/Part 1 (a revision of ANSI/ASA S12.60-2002) AMERICAN NATIONAL STANDARD Acoustical Performance Criteria, Desig
9、n Requirements, and Guidelines for Schools, Part 1: Permanent Schools Secretariat: Acoustical Society of America Approved April 28, 2010 by: American National Standards Institute, Inc. Abstract This document is Part 1 of the ANSI/ASA S12.60 series and is applicable to classrooms and other learning s
10、paces in permanent schools. Part 2 of the ANSI/ASA S12.60 series is applicable to relocatable classrooms and relocatable modular core learning spaces. This standard includes acoustical performance criteria, and design requirements for classrooms and other learning spaces. Annex A provides procedures
11、 for optional testing to determine conformance with the source background noise requirements and the noise isolation requirements of this standard. Annex B provides commentary information on various paragraphs of this standard. Annex C provides guidelines for controlling reverberation in classrooms.
12、 AMERICAN NATIONAL STANDARDS ON ACOUSTICS The Acoustical Society of America (ASA) provides the Secretariat for Accredited Standards Committees S1 on Acoustics, S2 on Mechanical Vibration and Shock, S3 on Bioacoustics, S3/SC 1 on Animal Bioacoustics, and S12 on Noise. These committees have wide repre
13、sentation from the technical community (manufacturers, consumers, trade associations, organizations with a general interest, and government representatives). The standards are published by the Acoustical Society of America as American National Standards after approval by their respective Standards C
14、ommittees and the American National Standards Institute (ANSI). These standards are developed and published as a public service to provide standards useful to the public, industry, and consumers, and to Federal, State, and local governments. Each of the Accredited Standards Committees (operating in
15、accordance with procedures approved by ANSI) is responsible for developing, voting upon, and maintaining or revising its own Standards. The ASA Standards Secretariat administers Committee organization and activity and provides liaison between the Accredited Standards Committees and ANSI. After the S
16、tandards have been produced and adopted by the Accredited Standards Committees, and approved as American National Standards by ANSI, the ASA Standards Secretariat arranges for their publication and distribution. An American National Standard implies a consensus of those substantially concerned with
17、its scope and provisions. Consensus is established when, in the judgment of the ANSI Board of Standards Review, substantial agreement has been reached by directly and materially affected interests. Substantial agreement means much more than a simple majority, but not necessarily unanimity. Consensus
18、 requires that all views and objections be considered and that a concerted effort be made towards their resolution. The use of an American National Standard is completely voluntary. Their existence does not in any respect preclude anyone, whether he or she has approved the Standards or not, from man
19、ufacturing, marketing, purchasing, or using products, processes, or procedures not conforming to the Standards. NOTICE: This American National Standard may be revised or withdrawn at any time. The procedures of the American National Standards Institute require that action be taken periodically to re
20、affirm, revise, or withdraw this Standard. Acoustical Society of America ASA Secretariat 35 Pinelawn Road, Suite 114E Melville, New York 11747-3177 Telephone: 1 (631) 390-0215 Fax: 1 (631) 390-0217 E-mail: asastdsaip.org 2010 by Acoustical Society of America. This standard may not be reproduced in w
21、hole or in part in any form for sale, promotion, or any commercial purpose, or any purpose not falling within the provisions of the U.S. Copyright Act of 1976, without prior written permission of the publisher. For permission, address a request to the Standards Secretariat of the Acoustical Society
22、of America. 2010 Acoustical Society of America All rights reserved i Contents 1 Scope and purpose 1 1.1 Scope . 1 1.2 Purpose 2 2 Normative references . 2 3 Definitions 2 3.1 General terms . 3 3.2 Terms relating to acoustical performance and design . 3 4 Applications 5 5 Acoustical performance crite
23、ria and noise isolation design requirements and guidelines 5 5.1 Introduction . 5 5.2 Performance criteria for background noise levels 5 5.3 Performance criteria for reverberation times 8 5.4 Noise isolation design requirements 8 5.5 Classroom audio distribution systems 11 5.6 Conformance testing 11
24、 Annex A (normative) Verification of conformance by measurement 12 A.1 Verification of conformance with interior-source background noise requirements 12 A.2 Verification of conformance to the exterior-source background noise requirement 13 A.3 Verification of conformance to the inside-to-inside soun
25、d isolation requirements . 14 A.4 Verification of conformance to reverberation time requirements . 14 A.5 Terms and definitions used in Annex A 15 Annex B (informative) Commentary on specific paragraphs of this standard 16 Annex C (informative) Design guidelines for controlling reverberation in clas
26、srooms and other learning spaces 21 C.1 Introduction . 21 C.2 Procedure to estimate the amount of sound-absorbing material needed to achieve the design goal for reverberation time . 21 C.3 Further design guidance 24 C.4 Guidelines for good acoustical characteristics in large classrooms and lecture r
27、ooms . 25 C.5 Bibliography for Annex C . 26 Bibliography 28 Tables Table 1 Limits on A- and C-weighted sound levels of background noise and reverberation times in unoccupied furnished learning spaces 6 Table 2 Limits on one-hour average A- and C-weighted sound levels (designated by X / Y below) from
28、 sources associated with building services and utilities . 7 Table 3 Minimum OITC rating for core learning spaces 9 2010 Acoustical Society of America All rights reserved ii Table 4 Minimum STC ratings required for single or composite wall and floor-ceiling assemblies that separate a core learning s
29、pace from an adjacent space 10 Table B.1 Minimum STC ratings recommended between an ancillary space and an adjacent space . 19 Table C.1 Minimum surface area of acoustical treatment for different sound absorption coefficients, ceiling heights, and reverberation times . 23 2010 Acoustical Society of
30、America All rights reserved iii Foreword This Foreword is for information only and is not a part of the American National Standard ANSI/ASA S12.60-2010/Part 1 American National Standard Acoustical Performance Criteria, Design Requirements, and Guidelines for Schools, Part 1: Permanent Schools. This
31、standard comprises a part of a group of definitions, standards, and specifications for use in noise. It was developed and approved by Accredited Standards Committee S12, Noise, under its approved operating procedures. Those procedures have been accredited by the American National Standards Institute
32、 (ANSI). The Scope of Accredited Standards Committee S12 is as follows: Standards, specifications, and terminology in the field of acoustical noise pertaining to methods of measurement, evaluation, and control, including biological safety, tolerance, and comfort, and physical acoustics as related to
33、 environmental and occupational noise. At the time of publication of this document, the ANSI/ASA S12.60 series of standards includes the following American National Standards: ANSI/ASA S12.60-2010/Part 1 American National Standard Acoustical Performance Criteria, Design Requirements, and Guidelines
34、for Schools, Part 1: Permanent Schools ANSI/ASA S12.60-2009/Part 2 American National Standard Acoustical Performance Criteria, Design Requirements, and Guidelines for Schools, Part 2: Relocatable Classroom Factors. Work is also underway on a new part, ANSI/ASA S12.60/Part 3, American National Standa
35、rd Acoustical Performance Criteria, Design Requirements, and Guidelines for Schools, Part 3: Information Technology Equipment in Classrooms. An informative technical report is also planned as Part 4 of this series which is envisioned to cover, at a minimum, the topics previously included in ANSI/ASA
36、 S12.60-2002 (R 2009), Annexes A, B, D, F and G. This standard is not comparable to any existing ISO Standard. At the time this standard was submitted to Accredited Standards Committee S12, Noise, for approval, the membership was as follows: W.J. Murphy, Chair R.D. Hellweg, Vice-Chair S.B. Blaeser,
37、Secretary 3M Occupational Health FAX: 631-390-0217; E-mail: asastdsaip.org. 2010 Acoustical Society of America All rights reserved vii Introduction It is essential that both architectural and mechanical design provide good acoustical characteristics for classrooms and other learning spaces in which
38、speech communication is an important part of the learning process. Excessive background noise or reverberation in such spaces interferes with speech communication and thus presents an acoustical impediment to learning. With a classroom having good acoustical characteristics, learning is easier, deep
39、er, more sustained, and less fatiguing. Teaching should be more effective and less stressful with well designed acoustical characteristics in a classroom. There can be more verbal interaction and less repetition between teacher and students when spoken words are clearly heard and understood. All tho
40、se in a classroom, including teachers and adult learners, will benefit from a classroom having the acoustical characteristics recommended in this standard. Special beneficiaries are young children and persons with hearing, language, speech, attention deficit, or learning disabilities. Conformance to
41、 the requirements and guidelines of this standard will improve the quality of education by eliminating acoustical impediments for all students and teachers, including those with communication disabilities. This standard seeks to provide flexibility for the design of learning spaces without compromis
42、ing the goal of obtaining adequate speech intelligibility for all students and teachers in classrooms and learning spaces within the scope of this standard. AMERICAN NATIONAL STANDARD ANSI/ASA S12.60-2010/Part 1 2010 Acoustical Society of America All rights reserved 1American National Standard Acous
43、tical Performance Criteria, Design Requirements, and Guidelines for Schools, Part 1: Permanent Schools 1 Scope and purpose 1.1 Scope 1.1.1 Part 1 of ANSI/ASA S12.60 is applicable to core learning spaces and classrooms with interior volumes not exceeding 566 m3 (20 000 ft3) and to ancillary learning
44、spaces of any volume. Learning spaces with volumes larger than 566 m3 (20 000 ft3) are considered ancillary learning spaces for purposes of this standard. Annex A provides testing procedures when optional tests are performed to determine conformance with the source background noise requirements and
45、the noise isolation requirements of this standard. Annex B provides commentary information on various paragraphs of this standard. Annex C provides guidelines for controlling reverberation in classrooms and other learning spaces. This Part does not apply for natatoria, auditoria, music performance s
46、paces, teleconferencing rooms, or special education rooms such as those for severely acoustically challenged students, which all require special acoustical design and treatment that is not within the scope of this standard. This Part does not apply to relocatable classrooms or relocatable modular le
47、arning spaces, which are covered by Part 2 of ANSI/ASA S12.60. 1.1.2 Acoustical performance criteria are specified in this standard by limits on the greatest one-hour average A-weighted and C-weighted background noise levels and by limits on reverberation times when students are expected to be prese
48、nt. 1.1.3 The control of background noise levels in this standard is achieved, in part, by specifying the minimum outdoor-to-indoor transmission class (OITC) ratings and sound transmission class (STC) ratings, depending upon the sound source, to reduce noise that intrudes into the classroom or learn
49、ing space from sources outside of the building envelope, and specifying minimum STC ratings for walls and floor-ceiling assemblies where noise that originates within the school building intrudes into the classroom through classroom walls and floor/ceiling assemblies. The control of noise from footsteps or other impacts on a floor above is achieved by specifying an impact insulation class (IIC) rating for the floor/ceiling assembly. 1.1.4 This standard applies to siting and building-design-dependent sources of intrusive noise in
