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Description of ASTM-E989 2012ASTM E989 - 06(2012)Standard Classification for Determination of Impact Insulation Class (IIC)Active Standard ASTM E989 | Developed by Subcommittee: E33.03 Book of Standards Volume: 04.06 ASTM E989Significance and Use 4.1 The rating increases as the impact sound attenuation of the floor ceiling structure increases. The rating can be used by architects, builders, and specification and code authorities for acoustical design purposes in building constructions. 4.2 The rating strictly only applies to excitation by the standard tapping machine defined in Test Methods E492 and E1007 . It does not deal with low frequency sounds below 100 Hz that are typically generated below lightweight joist floors when they are walked on. Nor does it deal with the squeaking, crunching or rattling sounds that can occur in joist construction when elements in the construction are loose and occupants walk on the floor. 4.3 This classification shall only be used with one-third octave band data. 1. Scope 1.1 This classification provides a method for determining a rating that can be used to compare the levels of impact noise generated by a standard tapping machine and transmitted through different floor-ceiling assemblies. 1.2 The name given to the rating is assigned by the test method that invokes this classification. 1.3 This classification is applicable only to one third octave band impact noise data obtained using the standard tapping machine described in Test Methods E492 and E1007 . 1.4 Test methods that invoke this classification include: 1.4.1 Test Method E492 the single-number rating is called impact insulation class (IIC). 1.4.2 Test Method E1007 the single-number rating is called field impact insulation class (FIIC). 1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
ASTM Standards C634 Terminology Relating to Building and Environmental Acoustics E492 Test Method for Laboratory Measurement of Impact Sound Transmission Through Floor-Ceiling Assemblies Using the Tapping Machine E1007 Test Method for Field Measurement of Tapping Machine Impact Sound Transmission Through Floor-Ceiling Assemblies and Associated Support Structures Keywords floors; IIC; impact noise; impact rating; tapping machine; ICS Code ICS Number Code 91.120.20 (Acoustics in buildings. Sound insulation) DOI: 10.1520/E0989-06R12 ASTM International is a member of CrossRef. ASTM E989This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
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