Plastics piping systems - Environmental product declarations - Product Category Rules complementary to EN 15804, for buried plastics piping systems

This document provides product category rules (PCR) for Type III environmental product declarations, as described in EN ISO 14025 and EN 15942, for "buried plastics piping systems" intended for buried pressure and non-pressure applications outside building structure.
This PCR covers the entire life cycle from cradle to grave for buried plastics piping systems conveying fluids (sewer, water or gas), according to EN 12007, EN 805 or EN 476.
NOTE   The PCR will be applied to systems composed of products covered by the list of product standards provided in Annex D.
This document specifies the rules for the product category of construction products as defined in and is intended to be used in conjunction with EN 15804.
As in EN 15804:2012+A2:2019, in addition to the common parts of EN 15804, this document for buried plastics piping systems defines:
-   the functional unit;
-   the system boundaries;
-   the elements of installation;
-   the transport scenarios for both the raw material and the complete system;
-   the trench conditions;
-   reference service life (RSL);
-   end of life scenarios.

Kunststoff-Rohrleitungssysteme - Umweltproduktdeklarationen - Produktkategorieregeln entsprechend EN 15804 für erdverlegte Kunststoff-Rohrleitungssysteme

Dieses Dokument stellt Produktkategorieregeln (PCR, en: product category rules) für Typ III Umweltproduktdeklarationen, wie in EN ISO 14025 und EN 15942 beschrieben, für "erdverlegte Kunststoff Rohrleitungssysteme" für erdverlegte drucklose und Druckanwendungen außerhalb der Gebäudestruktur auf.
Diese PCR decken den gesamten Lebenszyklus von erdverlegten Kunststoff Rohrleitungssystemen, die zum Transport von Fluiden (Abwasser, Wasser oder Gas) dienen, nach EN 12007, EN 805 oder EN 476 "von der Wiege bis zur Bahre" ab.
ANMERKUNG   Die PCR werden auf Systeme angewendet, die aus Produkten bestehen, die in der in Anhang D enthaltenen Liste der Produktnormen erfasst sind.
Dieses Dokument legt die Regeln für die Produktkategorie Bauprodukte fest, wie in EN 15804 festgelegt, und ist für die Anwendung in Zusammenhang mit EN 15804 vorgesehen.
Wie auch EN 15804:2012+A2:2019 legt dieses Dokument zusätzlich zu den allgemeinen Teilen der EN 15804 zu erdverlegten Kunststoff Rohrleitungssystemen Folgendes fest:
-   die funktionale Einheit;
-   die Systemgrenzen;
-   die Anlagenelemente;
-   die Transportszenarien sowohl für die Ausgangsstoffe als auch für das vollständige System;
-   die Grabenbedingungen;
-   die Referenz Nutzungsdauer (RSL, en: reference service life);
-   Szenarien für die Entsorgung.

Systèmes de canalisations en plastique - Déclarations environnementales sur les produits - Règles de définition des Catégories de Produits (RCP) complémentaires à l'EN 15804, pour les systèmes enterrés de canalisations en plastique

Le présent document fournit les règles régissant les catégories de produits (RCP) pour les Déclarations environnementales de produits de Type III, telles que décrites dans l’EN ISO 14025 et l’EN 15942, relatives aux « systèmes enterrés de canalisations en plastique » destinés à des applications enterrées, avec ou sans pression, à l’extérieur de la structure du bâtiment.
Ces RCP couvrent l’ensemble du cycle de vie du berceau à la tombe relatif aux systèmes enterrés de canalisations en plastique transportant des fluides (eaux usées, eau ou gaz), conformément à l’EN 12007, l’EN 805 ou l’EN 476.
NOTE   Les RCP seront applicables aux systèmes composés de produits couverts par la liste de normes de produits fournie dans l’Annexe D.
Le présent document spécifie les règles régissant les catégories de produits de construction définies dans l’EN 15804 et est destinée à être utilisée en association avec cette norme.
Comme dans l’EN 15804:2012+A2:2019, en plus des parties communes avec l’EN 15804, le présent document relatif aux systèmes enterrés de canalisations en plastique définit :
-   l’unité fonctionnelle ;
-   les frontières du système ;
-   les éléments d’installation ;
-   les scénarios de transport à la fois pour les matières premières et le système complet ;
-   les conditions relatives à la tranchée ;
-   la durée de vie de référence (DVR) ;
-   les scénarios de fin de vie.

Cevni sistemi iz polimernih materialov - Okoljske deklaracije za proizvode - Pravila za kategorije proizvodov, ki dopolnjujejo EN 15804, za podzemne cevne sisteme iz polimernih materialov

General Information

Status
Not Published
Public Enquiry End Date
19-Jan-2022
Current Stage
4020 - Public enquire (PE) (Adopted Project)
Start Date
17-Nov-2021
Due Date
06-Apr-2022

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SLOVENSKI STANDARD
oSIST prEN 16903:2022
01-januar-2022

Cevni sistemi iz polimernih materialov - Okoljske deklaracije za proizvode - Pravila

za kategorije proizvodov, ki dopolnjujejo EN 15804, za podzemne cevne sisteme iz
polimernih materialov

Plastics piping systems - Environmental product declarations - Product Category Rules

complementary to EN 15804, for buried plastics piping systems

Kunststoff-Rohrleitungssysteme - Umweltproduktdeklarationen - Produktkategorieregeln

entsprechend EN 15804 für erdverlegte Kunststoff-Rohrleitungssysteme
Systèmes de canalisations en plastique - Déclarations environnementales sur les

produits - Règles de définition des Catégories de Produits (RCP) complémentaires à

l'EN 15804, pour les systèmes enterrés de canalisations en plastique
Ta slovenski standard je istoveten z: prEN 16903
ICS:
13.020.20 Okoljska ekonomija. Environmental economics.
Trajnostnost Sustainability
23.040.20 Cevi iz polimernih materialov Plastics pipes
91.010.99 Drugi vidiki Other aspects
oSIST prEN 16903:2022 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN 16903:2022
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oSIST prEN 16903:2022
DRAFT
EUROPEAN STANDARD
prEN 16903
NORME EUROPÉENNE
EUROPÄISCHE NORM
November 2021
ICS 23.040.20; 23.040.45; 91.010.99
English Version
Plastics piping systems - Environmental product
declarations - Product Category Rules complementary to
EN 15804, for buried plastics piping systems

Systèmes de canalisations en plastique - Déclarations Kunststoff-Rohrleitungssysteme -

environnementales sur les produits - Règles de Umweltproduktdeklarationen -

définition des Catégories de Produits (RCP) Produktkategorieregeln entsprechend EN 15804 für

complémentaires à l'EN 15804, pour les systèmes erdverlegte Kunststoff-Rohrleitungssysteme

enterrés de canalisations en plastique

This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee

CEN/TC 155.

If this draft becomes a European Standard, CEN members are bound to comply with the CEN/CENELEC Internal Regulations

which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.

This draft European Standard was established by CEN in three official versions (English, French, German). A version in any other

language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC

Management Centre 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, Turkey and

United Kingdom.

Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are

aware and to provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without

notice and shall not be referred to as a European Standard.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 16903:2021 E

worldwide for CEN national Members.
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Contents Page

European foreword ...................................................................................................................................................... 4

Introduction .................................................................................................................................................................... 5

1 Scope .................................................................................................................................................................... 6

2 Normative references .................................................................................................................................... 6

3 Terms and definitions ................................................................................................................................... 7

4 Abbreviations ................................................................................................................................................... 7

5 General aspects ................................................................................................................................................ 7

5.1 Objective of the PCR for buried plastics piping systems .................................................................. 7

5.2 Types of EPD with respect to life cycle stages covered ..................................................................... 7

5.3 Comparability of EPD for construction products .............................................................................. 10

5.4 Additional information ............................................................................................................................... 10

5.5 Ownership, responsibility and liability for the EPD......................................................................... 10

5.6 Communication formats ............................................................................................................................. 10

6 Product Category Rules for LCA ............................................................................................................... 10

6.1 Product category ........................................................................................................................................... 10

6.2 Life cycle stages and their information modules to be included ................................................. 10

6.2.1 General.............................................................................................................................................................. 10

6.2.2 A1-A3, Product stage, information modules ....................................................................................... 10

6.2.3 A4-A5, Construction process stage, information modules ............................................................. 10

6.2.4 B1-B5, Use stage, information modules related to the buried plastics piping systems ...... 10

6.2.5 B6-B7, use stage, information modules related to the operation of the buried plastics

piping systems ............................................................................................................................................... 10

6.2.6 C1-C4 End-of-life stage, information modules .................................................................................... 10

6.2.7 D, Benefits and loads beyond the system boundary, information module .............................. 10

6.3 Calculation rules for the LCA .................................................................................................................... 11

6.3.1 Functional or declared unit ....................................................................................................................... 11

6.3.2 Functional unit ............................................................................................................................................... 11

6.3.3 Declared unit .................................................................................................................................................. 12

6.3.4 Reference service life (RSL) ...................................................................................................................... 12

6.3.5 System boundaries ....................................................................................................................................... 12

6.3.6 Criteria for the exclusion of inputs and outputs ................................................................................ 13

6.3.7 Selection of data ............................................................................................................................................ 13

6.3.8 Data quality requirements ........................................................................................................................ 19

6.3.9 Developing product level scenarios ....................................................................................................... 19

6.3.10 Units ................................................................................................................................................................... 19

6.4 Inventory analysis ........................................................................................................................................ 19

6.4.1 Collecting data ................................................................................................................................................ 19

6.4.2 Calculation procedures ............................................................................................................................... 19

6.4.3 Allocation of input flows and output emissions ................................................................................ 19

6.5 Impact assessment ....................................................................................................................................... 19

7 Content of the EPD ........................................................................................................................................ 19

7.1 Declaration of general information........................................................................................................ 19

7.2 Declaration of environmental indicators derived from LCA ......................................................... 19

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7.2.1 General ............................................................................................................................................................. 19

7.2.2 Rules for declaring LCA information per module ............................................................................. 19

7.2.3 Indicators describing environmental impacts ................................................................................... 19

7.2.4 Indicators describing resource use ........................................................................................................ 20

7.2.5 Other environmental information describing different waste categories and output

flows .................................................................................................................................................................. 20

7.3 Scenarios and additional technical information ............................................................................... 20

7.3.1 General ............................................................................................................................................................. 20

7.3.2 Construction process stage ....................................................................................................................... 20

7.3.3 B1-B7 use stage ............................................................................................................................................. 20

7.3.4 End-of-life ........................................................................................................................................................ 20

7.4 Additional information on release of dangerous substances to, soil and ground

water during the use stage ........................................................................................................................ 20

7.4.1 Indoor air ......................................................................................................................................................... 20

7.4.2 Soil and ground water ................................................................................................................................. 20

7.5 Aggregation of information modules .................................................................................................... 20

8 Project report ................................................................................................................................................. 21

8.1 General ............................................................................................................................................................. 21

8.2 LCA-related elements of the project report ........................................................................................ 21

8.3 Documentation on additional information ......................................................................................... 21

8.4 Data availability for verification ............................................................................................................. 21

9 Verification and validity of an EPD......................................................................................................... 21

Annex A (informative) Waste .................................................................................................................................. 22

A.1 End-of-waste ................................................................................................................................................... 22

A.2 Properties of hazardous wastes for Table 5 of EN 15804:2012+A2:2019 ............................... 22

Annex B (informative) Formula for calculation of Module D ....................................................................... 23

B.1 Introduction ................................................................................................................................................... 23

B.2 Modules A to C ................................................................................................................................................ 23

B.3 Module D .......................................................................................................................................................... 23

B.4 Calculation of Module D .............................................................................................................................. 26

B.5 Summary .......................................................................................................................................................... 28

Annex C (informative) Examples for functional units .................................................................................... 29

Annex D (informative) List of product standards ............................................................................................ 32

Bibliography ................................................................................................................................................................. 34

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European foreword

This document (prEN 16903:2021) has been prepared by Technical Committee CEN/TC 155 “Plastics

piping systems and ducting systems”, the secretariat of which is held by NEN.
This document is currently submitted to the CEN Enquiry.
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Introduction

European Standard EN 15804 provides core product category rules for all construction products and

services. It provides a structure to ensure that all Environmental Product Declarations (EPD) of

construction products, construction services and construction processes are derived, verified and

presented in a harmonized way.

This document, based on EN 15804, specifies the Product Category Rules for Environmental Product

Declarations (EPD) of buried plastics piping systems.

An EPD communicates verifiable, accurate, non-misleading environmental information for products and

their applications, thereby supporting scientifically based, fair choices and stimulating the potential for

market-driven continuous environmental improvement.

The standardization process has taken place in accordance with EN ISO 14025. All common issues are

covered horizontally for all product types in order to minimize vertical (branch specific) deviations.

EPD information is expressed in information modules as defined in EN 15804, which allow easy

organization and expression of data packages throughout the life cycle of the buried plastics piping

systems (constructions). The approach requires that the underlying data be consistent, reproducible

and comparable.

The EPD is expressed in a form that allows aggregation (addition) to provide complete information for,

constructions. This document does not deal with aggregation at the building level nor does this

document describe the rules for applying EPD in a building assessment.

The standard deals with a limited number of quantifiable predetermined parameters defined in

EN 15804. Future revisions may incorporate additional predetermined parameters in line with the

changes of EN 15804.
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1 Scope

This document provides product category rules (PCR) for Type III environmental product declarations,

as described in EN ISO 14025 and EN 15942, for “buried plastics piping systems” intended for buried

pressure and non-pressure applications outside building structure.

This PCR covers the entire life cycle from cradle to grave for buried plastics piping systems conveying

fluids (sewer, water or gas), according to EN 12007, EN 805 or EN 476.

NOTE The PCR will be applied to systems composed of products covered by the list of product standards

provided in Annex D.

This document specifies the rules for the product category of construction products as defined in and is

intended to be used in conjunction with EN 15804.

As in EN 15804:2012+A2:2019, in addition to the common parts of EN 15804, this document for buried

plastics piping systems defines:
— the functional unit;
— the system boundaries;
— the elements of installation;
— the transport scenarios for both the raw material and the complete system;
— the trench conditions;
— reference service life (RSL);
— end of life scenarios.
2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any amendments) applies.

EN 476, General requirements for components used in drains and sewers
EN 805, Water supply - Requirements for systems and components outside buildings

EN 12007 (series), Gas infrastructure - Pipelines for maximum operating pressure up to and including

16 bar

EN 15804:2012+A2:2019, Sustainability of construction works - Environmental product declarations -

Core rules for the product category of construction products

EN ISO 14044:2006, Environmental management - Life cycle assessment - Requirements and guidelines

(ISO 14044:2006)
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3 Terms and definitions

For the purposes of this document, the terms and definitions given in EN 15804:2012+A2:2019 apply.

ISO and IEC maintain terminological databases for use in standardization at the following addresses:

• IEC Electropedia: available at https://www.electropedia.org/
• ISO Online browsing platform: available at https://www.iso.org/obp
4 Abbreviations

For the purposes of this document, the abbreviations given in EN 15804:2012+A2:2019 apply.

5 General aspects
5.1 Objective of the PCR for buried plastics piping systems
As 15804.
5.2 Types of EPD with respect to life cycle stages covered

The information in an EPD based on LCA shall cover all life cycle stages and information modules from

A1 to C4 and shall also include module D (see Figure 1).

NOTE The use of biobased materials could attribute to a lower environmental impact at stage A1.

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Key
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1 replacement of components, parts or systems

2 Only possible if the conditions to exclude the declaration of modules C1-C4 and module D are met

Figure 1 —Types of EPD with respect to life cycle stages covered and life cycle stages and modules for the construction assessment

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5.3 Comparability of EPD for construction products
As in EN 15804.
5.4 Additional information
As in EN 15804.
5.5 Ownership, responsibility and liability for the EPD
As in EN 15804.
5.6 Communication formats
As in EN 15804.
6 Product Category Rules for LCA
6.1 Product category

The product category referred to in this document includes all buried plastics piping systems and

related services of all life cycle stages.
6.2 Life cycle stages and their information modules to be included
6.2.1 General
As in EN 15804.
6.2.2 A1-A3, Product stage, information modules
As in EN 15804.
6.2.3 A4-A5, Construction process stage, information modules
As in EN 15804.

Except: For A4, transport to the building site attention shall be paid on the data used ad most data are

based on weight (tons). In case that specific data are unavailable an average load of 6 000 kg per 80 m

truck can be used.

6.2.4 B1-B5, Use stage, information modules related to the buried plastics piping systems

As in EN 15804.

6.2.5 B6-B7, use stage, information modules related to the operation of the buried plastics

piping systems
As in EN 15804.
6.2.6 C1-C4 End-of-life stage, information modules
As in EN 15804.
6.2.7 D, Benefits and loads beyond the system boundary, information module
As in EN 15804.
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6.3 Calculation rules for the LCA
6.3.1 Functional or declared unit
As EN 15804.
6.3.2 Functional unit
As in EN 15804, except:

The functional unit is based on the function performed by the plastic piping system or part of a system

in the construction work and on the RSL of the system. It depends on the intended use of the piping

system. The functional unit is defined in function of the application of the product in the construction

work.

Functional units for plastic piping systems shall give the following information:

— type, dimension and length;
— intended use;

— main performances of the piping system (e.g. pressure rating, flow capacity, ….);

— installation e.g. trench installation or no-dig, the type of granular bedding, etc.

— reference service life.

In Annex C examples of a typical water pressure system and a sewer system are described. The systems

can be scaled to any size.

The EPD shall present a bill of components and materials included in the FU. This list shall present the

number of pipes, fittings, jointing pieces and valves.
The following material flows shall be considered:
Product stage:
— Production of raw materials for the plastic pipes, incl. additives/SBR;
— Transport of plastic pipe raw materials to converter;
— Converting process for pipes (extrusion), including packing of the pipes;
— Production of raw materials for fittings;
— Transport of fittings raw materials to converter;

— Converting process for PE fittings (injection moulding), including packing of the fittings.

Production raw materials for PP manholes:

— Converting process for PP manholes (injection moulding), including packing of the manholes

— Production of galvanised steel components (if any) (raw materials + converting process);

— Production of rubber/SBR/EPDM sealing rings (raw materials + converting process).

Construction process stage:
— Transport of pipe system to the site;
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— Installation of pipe system in the trench, including bedding or via trenchless technology (No-dig);

Use stage (maintenance and operational use):
— Operational use is not applicable;
— Maintenance of the pipe system for water if relevant.
End of life stage:
— Disassembly of plastic pipe system;
— Transport of pipe system after EOL to an end-of-life treatment;
— End-of-life treatment of the system.

NOTE 1 The design and installation details for buried pipe systems can be found in EN 1610, ISO/TS 10465-1,

CEN/TS 14578, CEN/TS 15223 and CEN/TS 1046 respectively.

NOTE 2 To allow scale-ability the EPD can be expressed in relative terms, e.g. “per meter of system”.

6.3.3 Declared unit
As in EN 15804.
6.3.4 Reference service life (RSL)

Buried plastics piping systems are regarded having 100 years RSL independent of their material.

NOTE The expected lifetime (RSL) of buried pipes is 100 years according to a number of studies:

https://www.teppfa.eu/wp-content/uploads/TEPPFA-PVC4Pipes-Position-on-100years-lifetime-of-PVC-

Pipes.pdf and https://www.teppfa.eu/wp-content/uploads/TEPPFA-PE100-Position-on-100years-lifetime-of-PE-

Pipes-2.pdf
6.3.5 System boundaries
6.3.5.1 General

As EN 15804 and including the upstream activities for the manufacturing of plastics materials.

6.3.5.2 Product stage
As in EN 15804.
6.3.5.3 Construction stage
As in EN 15804.
6.3.5.4 Use stage
6.3.5.4.1 General

As in EN 15804, and in addition: The installation of buried pipes shall follow the relevant European and

local standards, e.g. EN 12007, EN 805 or EN 476.
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6.3.5.4.2 B1-B5 Use stage information modules related to the (building) construction fabric

As in EN 15804.

— B1 Use of the installed product in terms of any emissions to the environment (not covered by B2-

B7);
As in EN 15804.
— B2 Maintenance;
As in EN 15804.
— B3 Repair;
As in EN 15804.
— B4 Replacement;
As in EN 15804.
— B5 Refurbishment;
As in EN 15804.

6.3.5.4.3 B6 – B7 Use stage information modules related to the operation of the (building)

construction
— B6 Energy use to operate (building) construction integrated technical systems

As in EN 15804, with the general scenario of zero impact for buried plastic piping systems.

— B7 Operational water use by (building) construction integrated technical systems

As in EN 15804, with the general scenario of zero impact for buried plastic piping systems except

for pre-flushing, pressure testing and cleaning
6.3.5.5 End-of-life stage
As in EN 15804.
6.3.5.6 Benefits and loads beyond the product system boundary in module D
As in EN 15804.
6.3.6 Criteria for the exclusion of inputs and outputs
As in EN 15804.
6.3.7 Selection of data
6.3.7.1 General
As in EN 15804, except:

The product stage shall start with the definition of the composition of the material (recipe including

recyclates if appropriate) for all components of the piping system.
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For LCA/EPD purposes the most appropriate and representative data shall be used in compliance with

EN 15804:2012+A2:2019, 6.3.6. If no specific data are available, appropriate publicly available data can

be used for any upstream or downstream processes that is out of producer control, as long as the

project report described the technological, geographical and time related representativity for generic

data used (see also Table 1).

Data of ancillary components (sealing, lubrication for installation, etc.) should be taken from their

producers or generic databases.
Table 1 — Application of generic and specific data
Modules Module A1-A3 A4 and A5 B1-B7 C1-C4
Production of Product manufacture Installation Use End-of-life
commodities, raw processes processes processes
materials
Upstream Processes that the Downstream processes
Process
processes manufacturer has
type
influence over
Generic data Manufacturer’s Generic or average or specific data
and/or average or specific
Data type
manufacturer’s data
specific data
The source of data shall be declared.
6.3.7.2 Data selection for life cycle stages A1 to A3

— A1 Extraction and processing of raw materials (e.g. mining processes) and biomass production and

processing (e.g. agricultural or forestry operations);
— Generic database.

— A1 Generation of electricity, steam and heat from primary energy resources, also including their

extraction, refining and transport;
— Generic database;
— Determination of the electricity mix.

— A1 Energy recovery and other recovery processes from secondary fuels, but not including those

processes that are part of waste processing in the previous product system;
— A2 Transportation up to the factory gate and internal transport;
— Transport distances;
— Modes of transportati
...

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