EUROPEAN STANDARDEN15941NORME EUROPEENNEEUROPAISCHE NORMMarch 20241CS35.240.67:91.010.99Supersedes CEN/TR 15941:2010English VersionSustainability of construction works Data quality forenvironmental assessment of products and constructionwork-Selection and use of dataContribution des ouvrages de construction auNachhaltigkeit von Bauwerken-Datenqualitat fur diedeveloppement durable-Qualite des donnees pourErfassung der Umweltqualitat von Produkten undl'evaluation environnementale des produits et desBauwerken-Auswahl und Anwendung von Datenouvrages de construction-Selection et utilisation desdonneesThis European Standard was approved by CEN on 10 December 2023.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving thisEuropean Standard the status of a national standard without any alteration.Up-to-date lists and bibliographical referencesconcerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENmember.This European Standard exists in three official versions(English,French,German).A version in any other language made bytranslation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC ManagementCentre has the same status as the official versions.CEN members are the national standards bodies of Austria,Belgium,Bulgaria,Croatia,Cyprus,Czech Republic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,Republic of North Macedonia,Romania,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,Turkiye andUnited KingdomEUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITE EUROPEEN DE NORMALISATIONEUROPAISCHES KOMITEE FOR NORMUNGCEN-CENELEC Management Centre:Rue de la Science 23,B-1040 Brussels2024 CEN All rights of exploitation in any form and by any means reservedRef.No.EN15941:2024Eworldwide for CEN national Members.prEN15941:2023(E)ContentsPageEuropean foreword............Scope723Terms and definitions...........8105Types of data at product,building and construction works level.......................105.1General........105.2Sources of generic data for use at product,building and construction works level...115.3Examples of data and their uses at building and construction works level..............115.4Types of EPD.6Data quality criteria and aspects for products and construction works..............176.1General...........176.2International Reference Life Cycle Data System data.........6.36.3.1General..........176.3.2General time related criteria........................186.3.3Time-related criteria for construction products and buildings186.3.4Time related meta-data for ILCD data sets..............196.4Geographical coverage....206.4.1General geography related criteria..206.4.2Geography related criteria for construction products and buildings......216.4.3Geography related meta-data for ILCD data sets...............216.56.5.1 General.…226.5.2Technology-related criteria at product level....................6.5.3Technology related criteria for data quality at building level .......226.5.4Technology related meta-data for ILCD data sets.....236.6246.6.1General246.6.2Precision related meta-data for ILCD data sets.....256.7Aspect of Completeness.256.7.1256.7.2Aspect of Completeness at product level.........266.7.3Aspect of Completeness at building level.........266.7.4Completeness related meta-data for ILCD data sets276.8Aspect of Consistency........276.8.1General276.8.2Consistency related meta-data for ILCD data sets...286.9Sources of the data...........6.10Meta-data for ILCD data sets related to Sources of data307Data Quality at Product level......317.1Assessing Data Quality at product level..317.1.1317.1.2Relevant data.…2