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BS EN 15941:2024 - TC Tracked Changes. Sustainability of construction works. Data quality for environmental assessment of products and construction work. Selection and use of data, 2024
- A-30430567.pdf [Go to Page]
- undefined
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Abbreviations
- 5 Types and sources of data at product, building and construction works level [Go to Page]
- 5.1 General
- 5.2 Sources of generic data for use at product, building and construction works level
- 5.3 Examples of data and their uses at building and construction works level
- 5.4 Types of EPD
- 6 Data quality criteria and aspects for products and construction works [Go to Page]
- 6.1 General
- 6.2 International Reference Life Cycle Data System data
- 6.3 Time-related coverage [Go to Page]
- 6.3.1 General
- 6.3.2 General time related criteria
- 6.3.3 Time-related criteria for construction products and buildings
- 6.3.4 Time related meta-data for ILCD data sets
- 6.4 Geographical coverage [Go to Page]
- 6.4.1 General geography related criteria
- 6.4.2 Geography related criteria for construction products and buildings
- 6.4.3 Geography related meta-data for ILCD data sets
- 6.5 Technological coverage [Go to Page]
- 6.5.1 General
- 6.5.2 Technology-related criteria at product level
- 6.5.3 Technology related criteria for data quality at building level
- 6.5.4 Technology related meta-data for ILCD data sets
- 6.6 Aspect of Precision [Go to Page]
- 6.6.1 General
- 6.6.2 Precision related meta-data for ILCD data sets
- 6.7 Aspect of Completeness [Go to Page]
- 6.7.1 General
- 6.7.2 Aspect of Completeness at product level
- 6.7.3 Aspect of Completeness at building level
- 6.7.4 Completeness related meta-data for ILCD data sets
- 6.8 Aspect of Consistency [Go to Page]
- 6.8.1 General
- 6.8.2 Consistency related meta-data for ILCD data sets
- 6.9 Sources of the data
- 6.10 Meta-data for ILCD data sets related to Sources of data
- 7 Data Quality at Product level [Go to Page]
- 7.1 Assessing Data Quality at product level [Go to Page]
- 7.1.1 General
- 7.1.2 Relevant data
- 7.1.3 Assessing data quality of average or specific data
- 7.1.4 Assessing data quality of generic data
- 7.1.5 Assessing data quality of the final EPD
- 7.2 Selecting and Collecting data at product level [Go to Page]
- 7.2.1 General
- 7.2.2 Selecting raw data [Go to Page]
- 7.2.2.1 General
- 7.2.2.2 Time representativeness
- 7.2.2.3 Geographical representativeness
- 7.2.2.4 Technological representativeness
- 7.2.2.5 Completeness
- 7.2.3 Selection of specific and generic data [Go to Page]
- 7.2.3.1 General
- 7.2.3.2 Selection of specific data from suppliers
- 7.2.3.3 Selecting generic data
- 7.2.3.4 Time related representativeness
- 7.2.3.5 Geographical representativeness
- 7.2.3.6 Technological coverage
- 7.2.3.7 Consistency
- 7.2.3.8 Plausibility
- 7.2.3.9 Sources of the data
- 7.3 Reporting data quality at Product Level [Go to Page]
- 7.3.1 General
- 7.3.2 Reporting data quality in the project report
- 7.3.3 Reporting data quality in the EPD
- 7.3.4 Other data quality information in the EPD
- 7.3.5 Providing the EPD in ILCD format
- 8 Data quality at building level [Go to Page]
- 8.1 General
- 8.2 Assessment during specific design and decision steps/stages
- 8.3 Assessing data quality at building level [Go to Page]
- 8.3.1 General
- 8.3.2 Time related
- 8.3.3 Geography related
- 8.3.4 Technology Related
- 8.3.5 Completeness [Go to Page]
- 8.3.5.1 General
- 8.3.5.2 Criteria for exclusion of inputs and outputs
- 8.3.5.3 Completeness criteria for life cycle information modules (scope)
- 8.3.5.4 Completeness criteria of the quantification of the building’s composition
- 8.3.5.5 Data gaps
- 8.3.6 Consistency
- 8.3.7 Plausibility
- 8.3.8 Precision
- 8.4 Selection of quantity data, environmental data and other information [Go to Page]
- 8.4.1 General
- 8.4.2 Selecting data to describe the building
- 8.4.3 Selection of quantity data for the building assessment
- 8.4.4 Selection of environmental data for products and processes for the building assessment [Go to Page]
- 8.4.4.1 General
- 8.4.4.2 Selecting data - EPD data
- 8.4.4.3 Use of EPD data
- 8.4.4.4 Adaptation of gate to grave information (Modules A4 to C4) and Module D
- 8.4.4.5 Adjustment factors
- 8.5 Data quality of the assessment results of the building’s environmental performance [Go to Page]
- 8.5.1 General
- 8.5.2 Data quality evaluation of quantification
- 8.5.3 Data quality evaluation during Type 1 and Type 2 Assessments
- 8.5.4 Data quality evaluation during Type 2, Type 3 and Type 4 assessments
- 8.5.5 Summarizing data quality
- 8.6 Databases, data set providers and tools
- 8.7 Reporting data quality generally at building level
- 8.8 Verification and review
- 9 Data quality at civil engineering works level
- Annex A (informative)Overview of definitions used in this document and those in EN 15804 and PEF and Level(s) [Go to Page]
- A.1 Overview of definitions
- A.2 Foreground and background data
- A.3 Raw data
- A.4 Specific and generic data
- Annex B (informative)Mass Balance at product level
- Annex C (informative)Examples of reporting data quality in EPD
- Annex D (informative)Examples of the use of a data selection at building level depending on goal and scope and data quality assessment [Go to Page]
- D.1 General
- D.2 Early-stage design – no materials chosen
- D.3 Early-stage design – Some materials chosen
- D.4 Detailed Design Stage – Cladding comparison
- D.5 Building Assessment for planning or regulatory purposes
- D.6 Building Completion - As built assessment
- Annex E (normative)Avoiding double counting in the selection of specific and generic data for energy at product and building level [Go to Page]
- E.1 General [Go to Page]
- E.1.1 General guidance
- E.1.2 Overarching requirements for avoiding double counting in the selection of specific and generic data for energy at product and building level [Go to Page]
- E.1.2.1 Avoiding double counting
- E.1.2.2 Ensuring transparency
- E.1.2.3 Use of Contractual instruments
- E.2 Avoiding double counting in the selection of specific and generic data for energy at product and building level [Go to Page]
- E.2.1 Overarching Principles [Go to Page]
- E.2.1.1 General
- E.2.1.2 Requirements for contractual instruments
- E.2.1.3 Requirement for residual mix
- E.2.1.4 Recommendation for consistent use of contractual instruments and residual mix
- E.2.2 Product level Electricity – modelling foreground, upstream and downstream processes within control of the manufacturer(s) [Go to Page]
- E.2.2.1 General
- E.2.2.2 Electricity from the grid
- E.2.2.3 Electricity from a directly connected supplier
- E.2.2.4 Internally generated electricity
- E.2.2.5 Requirement for modelling of electricity with contractual instruments
- E.2.2.6 Requirement for transparency
- E.2.3 Product level Biogas and the gas network – modelling foreground, upstream and downstream data within the control of the manufacturer(s) [Go to Page]
- E.2.3.1 General
- E.2.3.2 Biogas from the gas network
- E.2.3.3 Biogas from a directly connected supplier
- E.2.3.4 Internally generated biogas
- E.2.3.5 Requirement for modelling of biogas with contractual instruments
- E.2.3.6 Requirement for transparency
- E.2.4 Product level - Other energy – modelling foreground, upstream and downstream data in the control of the manufacturer(s) [Go to Page]
- E.2.4.1 General
- E.2.4.2 Requirement for modelling of other energy with contractual instruments
- E.2.4.3 Requirement for transparency
- E.2.5 Product level - Energy – modelling upstream data (A1-A3) not in the control of the manufacturer(s)
- E.2.6 Product Level Energy – modelling downstream data (A4-C4 and Module D)
- E.2.7 Building Level Energy – modelling energy use in the building in the Construction Stage, Use Stage, End-of-life stage and Module D2
- E.2.8 Transparency [Go to Page]
- E.2.8.1 Reporting at product level in the Project Report
- E.2.8.2 Reporting in EPD
- E.2.8.3 Reporting at Building Level in the Project Report
- E.2.8.4 Reporting in Building Level Communication
- Annex F (informative)Data quality scheme for building level based on Level(s) [Go to Page]
