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BS EN 16757:2022

BS EN 16757:2022

$198.66

Sustainability of construction works. Environmental product declarations. Product Category Rules for concrete and concrete elements

Published By Publication Date Number of Pages
BSI 2022 62
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This document complements the core rules for the product category of construction products as defined in EN 15804:2012+A2:2019 and is intended to be used as a c-PCR in conjunction with that standard. This c-PCR applies to products within the scope of CEN/TC 104 and CEN/TC 229, but it may be applicable to other concrete products until they have product specific c-PCRs. This document applies to concrete and concrete elements for building and civil engineering, but excludes autoclaved aerated concrete and resin bound concrete. Apart from Annex G, it may be used as guidance for glass fibre reinforced concrete. This document defines the parameters to be reported, what EPD types (and life cycle stages) to be covered, what rules to be followed in order to generate Life Cycle Inventories (LCI) and conduct Life Cycle Impact Assessment (LCIA) and the data quality to be used in the development of EPDs. In addition to the common parts of EN 15804:2012+A2:2019, this document for concrete and concrete elements: – defines the system boundaries; – defines the modelling and assessment of material-specific characteristics; – defines allocation procedures for multi-output processes along the production chain; – defines allocation procedures for reuse and recycling; – includes the rules for calculating the LCI and the LCIA underlying the EPD; – provides guidance/specific rules for the determination of the reference service life (RSL); – gives guidance on the establishment of default scenarios; – gives guidance on default functional units for concrete elements. This document is intended to be used either for cradle to gate with options or cradle to grave assessment, provided the intentions are properly stated in the system boundary description. Within the construction works context, a cradle to grave declaration delivers a more comprehensive understanding of the environmental impact associated with concrete and concrete elements.

PDF Catalog

PDF Pages PDF Title
2 National foreword
6 European foreword
7 Introduction
8 1 Scope
2 Normative references
3 Terms and definitions
12 4 Abbreviations
5 General aspects
5.1 Objective of this PCR
5.2 Types of EPD with respect to life cycle stages covered
13 5.3 Comparability of EPD for construction products
5.4 Additional information
5.5 Ownership, responsibility and liability for the EPD
5.6 Communication formats
14 6 Product Category Rules for LCA
6.1 Product category
6.2 Life cycle stages and their information modules to be included
6.2.1 General
6.2.2 A1-A3, Product stage, information modules
15 6.2.3 A4-A5, Construction process stage, information modules
6.2.4 B1-B5, Use stage, information modules related to the building fabric
6.2.5 B6-B7, use stage, information modules related to the operation of the building
16 6.2.6 C1-C4 End-of-life stage, information modules
6.2.7 D, Benefits and loads beyond the system boundary, information module
6.3 Calculation rules for the LCA
6.3.1 Functional or declared unit
6.3.2 Functional unit
6.3.3 Declared unit
6.3.4 Reference service life (RSL)
17 6.3.5 System boundaries
24 6.3.6 Criteria for the exclusion of inputs and outputs
6.3.7 Selection of data
6.3.8 Data quality requirements
6.3.9 Developing product level scenarios
31 6.3.10 Units
32 6.4 Inventory analysis
6.4.1 Collecting data
6.4.2 Calculation procedures
6.4.3 Allocation of input flows and output emissions
6.5 Impact assessment
33 7 Content of the EPD
7.1 Declaration of general information
7.2 Declaration of environmental indicators derived from LCA
7.2.1 General
7.2.2 Rules for declaring LCA information per module
7.2.3 Indicators describing environmental impacts based on Life Cycle Impact Assessment
7.2.4 Indicators describing resource use and environmental information based on Life Cycle Inventory (LCI)
34 7.2.5 ā€œInformation on biogenic carbon contentā€
7.3 Scenarios and additional technical information
7.3.1 General
7.3.2 Construction process stage
35 7.3.3 B1-B7 use stage
36 7.3.4 End-of-life
7.4 Additional information on release of dangerous substances to indoor air, soil and water during the use stage
7.5 Aggregation of information modules
8 Project report
9 Verification and validity of an EPD
37 Annex A (normative) Requirements and guidance on the reference service life
38 Annex B (informative) Waste
39 Annex C (informative) Characterization factors for GWP, ODP, AP, EP, POCP and ADP
40 Annex D (informative) End of life formulae
41 Annex E (informative) Schemes to be applied for data quality assessment of generic and specific data
42 Annex F (informative) Scenarios
49 Annex G (informative) CO2 uptake by carbonation ā€” Guidance on calculation
58 Bibliography

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BS EN 16757:2022
$198.66