ASTM_E_1374_-_18e1.pdf

Designation:E1374181Standard Guide forOffice Acoustics and Applicable ASTM Standards1This standard is issued under the fixed designation E1374;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1NOTETitle editorially corrected in February 2018.INTRODUCTIONOffice environments include open and closed spaces with varying acoustical performancerequirements depending on space function and occupant needs.Sound control tools and methods areidentified which combine to provide appropriate amounts of speech privacy,freedom from distractionand acoustic comfort whether in focus,private,collaborative or other office areas.1.Scope1.1 This guide discusses the principles and interactions thataffect the acoustical performance of open and closed offices.Itdescribes the application and use of the relevant series ofASTM standards.1.2 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.3 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.4 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2C423 Test Method for SoundAbsorption and SoundAbsorp-tion Coefficients by the Reverberation Room MethodE90 Test Method for Laboratory Measurement of AirborneSound Transmission Loss of Building Partitions andElementsE336 Test Method for Measurement of Airborne SoundAttenuation between Rooms in BuildingsE795 Practices for Mounting Test Specimens During SoundAbsorption TestsE1007 Test Method for Field Measurement of TappingMachine Impact Sound Transmission Through Floor-Ceiling Assemblies and Associated Support StructuresE1110 Classification for Determination of Articulation ClassE1111 Test Method for Measuring the Interzone Attenuationof Open Office ComponentsE1130 Test Method for Objective Measurement of SpeechPrivacy in Open Plan Spaces Using Articulation IndexE1179 Specification for Sound Sources Used for TestingOpen Office Components and SystemsE1414 Test Method for Airborne Sound Attenuation Be-tween Rooms Sharing a Common Ceiling PlenumE1573 Test Method for Measurement and Reporting ofMasking Sound Levels UsingA-Weighted and One-Third-Octave-Band Sound Pressure LevelsE2638 Test Method for Objective Measurement of theSpeech Privacy Provided by a Closed RoomE2964 Test Method for Measurement of the NormalizedInsertion Loss of Doors3.Summary of Guide3.1 Acoustical PerformanceAcoustics in open and closedoffice spaces must be considered during the design stage inorder to provide occupants with an appropriate degree ofspeech intelligibility and speech privacy while minimizingnoise distraction as appropriate for the space usage.Speechprivacy and distraction are controlled by the ratio of intrudingvoice level to background sound.In the open plan,a degree ofspeech privacy,noise control and comfort can be achieved if1This guide is under the jurisdiction of ASTM Committee E33 on Building andEnvironmentalAcoustics and is the direct responsibility of Subcommittee E33.02 onSpeech Privacy.Current edition approved Jan.1,2018.Published February 2018.Originallyapproved in 1990.Last previous edition approved in 2011 as E1374 06(2011).DOI:10.1520/E1374-18E01.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 component selection and interaction are understood.Asuccess-ful open plan office is the result of careful coordination ofmany components,including those which influence the trans-mission of sound,such as the ceiling,furniture and furnishings,flooring,wall treatments and lighting;the heating,ventilatingand air-conditioning syst