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ASTM_E_2921_-_16a.pdf

1、Designation:E292116aStandard Practice forMinimum Criteria for Comparing Whole Building Life CycleAssessments for Use with Building Codes,Standards,andRating Systems1This standard is issued under the fixed designation E2921;the number immediately following the designation indicates the year oforigina

2、l 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.1.Scope1.1 This practice provides criteria to be applied irrespectiveof the assessme

3、nt(LCA)tool that is used when LCA isundertaken at the whole building level to compare a final wholebuilding design to a reference building design.1.2 The purpose of this practice is to support the use ofwhole building Life Cycle Assessment(LCA)in buildingcodes,standards,and building rating systems b

4、y ensuring thatcomparative assessments of final whole building designs rela-tive to reference building designs take account of the relevantbuilding features,life cycle stages,and related activities insimilar fashion for both the reference and final building designsof the same building.1.3 The criter

5、ia do not deal with building occupantbehavior,possible future changes in building function,buildingrehabilitation or retrofit,or other matters that cannot beforeseen or reasonably estimated at the design or permittingstage,or both where this practice applies.1.4 Only environmental impacts and aspect

6、s of sustainabil-ity are addressed in this practice.The social and economicimpacts and aspects of sustainability are not addressed in thispractice.1.5 ThispracticedoesnotdealwithbasicLCAmethodology,calculation methods or related matters that arecovered in cited international standards.1.6 This pract

7、ice does not supersede or modify existing ISOstandards for the application of LCA at the product level,nordoes it address any of the following related applications:1.6.1 Aggregation of building products EnvironmentalProduct Declarations(EPD)at the whole building level;1.6.2 Rules for applying EPDs i

8、n a building code,standard,or rating system;and1.6.3 Comparability of building product EPDs.NOTE1ISO 14025 and ISO 21930 provide guidance on use andcomparability of building products EPDs.1.7 This practice does not specify the impact categories orsustainability aspects to be addressed in building co

9、des,standards,or building rating systems and users of this practiceconform to the impact category requirements specified in theapplicable code,standard,or rating system.1.8 The text of this standard contains notes that provideexplanatory material.These notes shall not be considered asrequirements of

10、 the standard.1.9 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 and health practices and determine the applica-bility of regulatory limitations prior to use.2.Re

11、ferenced Documents2.1 ASTM Standards:2E631 Terminology of Building ConstructionsE2114 Terminology for Sustainability Relative to the Perfor-mance of Buildings2.2 Other Standards:3ISO 21930 Sustainability in building construction Envi-ronmental declaration of building productsISO 14025 Environmental

12、labels and declarations Type IIIenvironmental declarations Principles and proceduresISO 14040:2006 Environmental Management Life CycleAssessment Principles and FrameworkISO 14044:2006 Environmental Management Life CycleAssessment Requirements and GuidelinesISO 14050 Terminology1This practice is unde

13、r the jurisdiction of ASTM Committee E60 on Sustain-ability and is the direct responsibility of Subcommittee E60.01 on Buildings andConstruction.Current edition approved Oct.1,2016.Published October 2016.Originallyapproved in 2013.Last previous edition approved in 2016 as E2921-16.DOI:10.1520/E2921-

14、16A.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.3Available from International Organization for Standardization

15、(ISO),ISOCentral Secretariat,BIBC II,Chemin de Blandonnet 8,CP 401,1214 Vernier,Geneva,Switzerland,http:/www.iso.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 3.Terminology3.1 For terms related to building construction,refer toTermi

16、nology E631.3.2 For terms related to sustainability relative to the perfor-mance of buildings,refer to Terminology E2114.3.3 For terms related to LCA(for example,product system,input,output)refer to ISO 14050 Terminology.3.4 Definitions of Terms Specific to This Standard:3.4.1 building,na shelter comprising a partially or totallyenclosed space(s),erected by means of planned forces offorming and combining materials.E6313.4.2 building,vthe act or process of construction.E6313.4.3 building product,

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