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ISO 21930:2017

(Main)

Sustainability in buildings and civil engineering works — Core rules for environmental product declarations of construction products and services

Sustainability in buildings and civil engineering works — Core rules for environmental product declarations of construction products and services

ISO 21930:2017 provides the principles, specifications and requirements to develop an environmental product declaration (EPD) for construction products and services, construction elements and integrated technical systems used in any type of construction works. ISO 21930:2017 complements ISO 14025 by providing specific requirements for the EPD of construction products and services. ISO 21930:2017 establishes a core set of requirements to be considered as core product category rules (PCR) to develop an EPD for any construction product or service. In addition, this document, as the core PCR document for construction products, construction elements and integrated technical systems: a) includes the rules for calculating the life cycle inventory analysis (LCI), the predetermined environmental indicators and the life cycle impact assessment (LCIA) results that are reported in the EPD; b) describes which life cycle stages are considered in a particular type of EPD, which processes are to be included in the life cycle stages and how the stages are subdivided into information modules; c) defines rules for the development of scenarios; d) includes the rules for reporting relevant environmental and technical information that are not covered by LCA; e) defines the core elements to be included in an EPD; f) establishes the structure of a project report; g) defines the conditions under which construction products can be compared, based on the information provided by an EPD; h) provides requirements and guidelines on PCR for sub-categories of construction products; i) includes mandatory and unalterable requirements for any PCR based on this document. EPDs for construction products, as described in this document, are primarily intended for use in B2B communication, but their use in B2C communication under certain conditions is not precluded. For EPDs intended for B2C communication, refer to ISO 14025 (see 5.4). The assessment of social and economic impacts at the product level is not covered by this document. NOTE 1 In this document, unless otherwise designated, the term construction product is used for any good(s) or service(s) related to construction works. NOTE 2 Construction assemblies, construction elements and integrated technical systems, incorporated within construction works, can be considered construction products.

Développement durable dans les bâtiments et les ouvrages de génie civil — Règles principales pour les déclarations environnementales des produits de construction et des services

General Information

Status
Published
Publication Date
30-Jul-2017
ICS
91.040.01 - Buildings in general
Technical Committee
ISO/TC 59/SC 17 - Sustainability in buildings and civil engineering works
Drafting Committee
ISO/TC 59/SC 17/WG 3 - Environmental declaration of products
Current Stage
9093 - International Standard confirmed
Start Date
01-Feb-2023
Completion Date
01-Feb-2023
Ref Project

Relations

Consolidated By
ISO 20184-1:2018 - Molecular in vitro diagnostic examinations — Specifications for pre-examination processes for frozen tissue — Part 1: Isolated RNA
Effective Date
06-Jun-2022
Revises
ISO 21930:2007 - Sustainability in building construction — Environmental declaration of building products
Effective Date
10-Mar-2012

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ISO 21930:2017 - Sustainability in buildings and civil engineering works -- Core rules for environmental product declarations of construction products and servicesISO 21930:2017 - Sustainability in buildings and civil engineering works -- Core rules for environmental product declarations of construction products and services
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ISO 21930:2017 - Sustainability in buildings and civil engineering works -- Core rules for environmental product declarations of construction products and services
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INTERNATIONAL ISO
STANDARD 21930
Second edition
2017-07
Sustainability in buildings and civil
engineering works — Core rules for
environmental product declarations of
construction products and services
Développement durable dans les bâtiments et les ouvrages de génie
civil — Règles principales pour les déclarations environnementales
des produits de construction et des services
Reference number
©
ISO 2017
© ISO 2017, Published in Switzerland
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form
or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior
written permission. Permission can be requested from either ISO at the address below or ISO’s member body in the country of
the requester.
ISO copyright office
Ch. de Blandonnet 8 • CP 401
CH-1214 Vernier, Geneva, Switzerland
Tel. +41 22 749 01 11
Fax +41 22 749 09 47
copyright@iso.org
www.iso.org
ii © ISO 2017 – All rights reserved

Contents Page
Foreword .v
Introduction .vii
1 Scope . 1
2 Normative references . 2
3 Terms and definitions . 2
4 Abbreviated terms .15
5 General aspects .16
5.1 Objectives of this core PCR .16
5.2 Life cycle stages and their information modules and module D .17
5.2.1 General.17
5.2.2 Types of EPD with respect to life cycle stages covered.19
5.2.3 Use of scenarios for assessment of information modules beyond the
production stage .20
5.3 Average EPDs for groups of similar products .21
5.4 Use of EPDs for construction products .22
5.5 Comparability of EPDs for construction products .22
5.6 Documentation .23
6 PCR development and use .24
6.1 Core PCR structure .24
6.2 Relation between core PCR and sub-category PCR .25
6.3 Development of sub-category PCR .26
7 PCR for LCA .26
7.1 Methodological framework .26
7.1.1 Overarching principles for LCA modelling and calculation .26
7.1.2 Functional unit.26
7.1.3 Declared unit .27
7.1.4 Requirements for the use of RSL .28
7.1.5 System boundary with nature .28
7.1.6 System boundary between products systems .28
7.1.7 System boundaries and technical information for scenarios .33
7.1.8 Criteria for the inclusion and exclusion of inputs and outputs.42
7.1.9 Selection of data and data quality requirements .43
7.1.10 Units .44
7.2 Inventory analysis .44
7.2.1 Data collection .44
7.2.2 Calculation procedures . . .44
7.2.3 Allocation situations .44
7.2.4 Principles for allocation for both allocation situations .44
7.2.5 Allocation for co-products .45
7.2.6 Allocation between product systems (across the system boundary) .47
7.2.7 Accounting of biogenic carbon uptake and emissions during the life cycle .47
7.2.8 Carbonation .48
7.2.9 Accounting of delayed emissions .49
7.2.10 Inventory indicators describing resource use .49
7.2.11 Greenhouse gas emissions from land-use change .50
7.2.12 Additional inventory indicators describing emissions and removals of carbon .50
7.2.13 Inventory indicator describing consumption of freshwater .51
7.2.14 Environmental information describing waste categories and output flows .51
7.3 Impact assessment indicators describing main environmental impacts derived
from LCA .53
8 Additional environmental information .54
8.1 General .54
8.2 Additional LCA-related environmental information not included in the pre-set
LCIA indicators .54
8.3 Additional environmental information not derived from or related to LCA .55
8.4 Mandatory additional environmental information .55
8.4.1 Content of regulated hazardous substances .55
8.4.2 Release of dangerous substances from construction products .56
9 Content of an EPD .56
9.1 General .56
9.2 Declaration of general information .56
9.3 Declaration of the methodological framework .58
9.4 Declaration of technical information and scenarios .59
9.4.1 General.59
9.4.2 All stages — Transport .59
9.4.3 Construction stage — A5, installation .59
9.4.4 Use stage — B1 to B5 .59
9.4.5 Use stage — B6 to B7 .60
9.4.6 End-of-life stage — C1 to C4 .60
9.4.7 Module D .60
9.5 Declaration of environmental indicators derived from LCA . .61
9.5.1 LCA results from LCIA .61
9.5.2 LCA results from LCI .61
9.6 Declaration of additional environmental information .62
9.6.1 References .62
10 Project report .62
10.1 General .62
10.2 LCA-related elements of the project report .63
10.3 Rules for data confidentiality .64
10.4 Documentation on additional environmental information .64
10.5 Data availability for verification .65
11 Verification and validity of an EPD .6
...

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