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BS EN 16904:2025 Plastics piping systems inside the building structure. Environmental product declarations. Product category rules complementary to EN 15804, 2025
- undefined
- European foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Abbreviations
- 5 General aspects [Go to Page]
- 5.1 Objective of the PCR for plastics piping systems inside buildings
- 5.2 Types of EPD with respect to life cycle stages covered
- Figure 1 —Types of EPD with respect to life cycle stages covered and life cycle stages and modules for the construction works assessment [Go to Page]
- 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
- 6 Product Category Rules for LCA [Go to Page]
- 6.1 Product category
- 6.2 Life cycle stages and their information modules to be included [Go to Page]
- 6.2.1 General
- 6.2.2 A1-A3, Product stage, information modules
- 6.2.3 A4-A5, Construction process stage, information modules
- 6.2.4 B1-B5, Use stage, information modules related to the plastics piping systems
- 6.2.5 B6-B7, use stage, information modules related to the operation of the plastics piping systems
- 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 [Go to Page]
- 6.3.1 Functional or declared unit
- 6.3.2 Functional unit
- 6.3.3 Declared unit
- 6.3.4 Reference service life (RSL) [Go to Page]
- 6.3.4.1 General
- 6.3.4.2 Scenarios for RSL and functional unit
- 6.3.5 System boundaries [Go to Page]
- 6.3.5.1 General
- 6.3.5.2 Product stage
- 6.3.5.3 Construction stage
- 6.3.5.4 Use stage [Go to Page]
- 6.3.5.4.1 General
- 6.3.5.4.2 B1-B5 Use stage information modules of the piping system
- 6.3.5.4.3 — B6 – B7 Use stage information modules related to the operation of the piping system
- 6.3.5.5 End-of-life stage
- 6.3.5.6 Benefits and loads beyond the product system boundary in module D
- 6.3.6 Criteria for the exclusion of inputs and outputs
- 6.3.7 Selection of data [Go to Page]
- 6.3.7.1 General rules
- Table 1 — Application of generic and specific data [Go to Page]
- 6.3.7.2 Data for electricity
- 6.3.8 Data quality requirements
- 6.3.9 Developing product level scenarios [Go to Page]
- 6.3.9.1 General
- 6.3.9.2 A4 Transportation from the production gate to the construction site
- 6.3.9.3 A5 Installation
- 6.3.9.4 Use stage
- 6.3.9.5 End-of-life
- 6.3.10 Units
- 6.4 Inventory analysis [Go to Page]
- 6.4.1 Collecting data
- 6.4.2 Calculation procedures
- 6.4.3 Allocation of input flows and output emissions [Go to Page]
- 6.4.3.1 General
- 6.4.3.2 Co-product allocation
- 6.4.3.3 Allocation procedure of reuse, recycling and recovery
- 6.4.4 Information on biogenic carbon content
- 6.5 Impact assessment
- 7 Content of the EPD [Go to Page]
- 7.1 Declaration of general information
- 7.2 Declaration of environmental indicators derived from LCA
- 7.3 Scenarios and additional technical information [Go to Page]
- 7.3.1 General
- 7.3.2 Construction process stage [Go to Page]
- 7.3.2.1 A4, Transport to the construction site
- 7.3.2.2 A5, Installation in the building
- 7.3.3 B1-B7 use stage [Go to Page]
- 7.3.3.1 B1-B5 use stage related to the building fabric
- 7.3.3.2 Reference service life
- 7.3.3.3 B6, use of energy and B7, use of water
- 7.3.4 End-of-life
- 7.4 Additional information on release of dangerous substances to, soil and ground water during the use stage [Go to Page]
- 7.4.1 Indoor air
- 7.4.2 Soil and ground water
- 7.5 Aggregation of information modules
- 8 Project report [Go to Page]
- 8.1 General
- 8.2 LCA-related elements of the project report
- 8.3 Documentation on additional information
- 8.4 Data availability for verification
- 9 Verification and validity of an EPD
- Annex A (informative) Waste
- A.1 End-of-waste
- Figure A.1 — Decision-tree for end-of-waste
- A.2 Properties of hazardous wastes for of EN 15804:2012+A2:2019
- Annex B (informative) Examples for functional and declared units
- B.1 Example 1: Functional unit- Life cycle assessment of a PE-X hot and cold drinking water system inside the building structure
- Table B.1 — Bill of components of the PE-X hot and cold piping system
- Figure B.1 — Drawing of the PE-X Hot and Cold water piping system
- B.2 Example 2: Functional unit - Life cycle assessment of a PVC-U Soil and Waste system inside building structure
- Figure B.2 — Drawing of the S&W piping system
- Table B.2 — Bill of components of the S&W piping system
- B.3 Example 3: Declared unit -Life Cycle Assessment of a Hot and Cold PE-X pipe
- Table B.3 — Technical characteristics of the PE-X pipe
- Table B.4 — Product composition for 1 kg of PE-X pipe
- Annex C (informative) List of product and application standards
- Annex D (informative) Applications and intended used of plastic piping system buried outside building structure
- Table D.1 — Applications and intended use of plastic piping system inside the building structure
- Annex E (informative) Reading guide
- Bibliography [Go to Page]
