Safety rules for the construction and installation of lifts - Existing lifts - Part 83: Rules for the improvement of the resistance against vandalism

This document provides rules on how to apply EN 81-71:2022 to existing lifts to improve their vandal resistance. It is detailing the general requirement for vandal resistance as referred to in EN 81-80:2019, Annex A, Table A.1, No. 1.2.
NOTE   EN 81-71:2018 referenced in EN 81-80:2019 has been replaced by EN 81-71:2022 without technical changes. The reference to category 0 has been removed.
This document applies to permanently installed lifts serving defined landing levels, having a car designed for the transportation of persons or persons and goods.

Sicherheitsregeln für die Konstruktion und den Einbau von Aufzügen - Bestehende Aufzüge - Teil 83: Regeln für die Verbesserung der Schutzmaßnahmen gegen mutwillige Zerstörung

Das vorliegende Dokument enthält Regelungen dazu, wie EN 81 71:2022 auf bestehende Aufzüge anzuwenden ist, um deren Schutzmaßnahmen gegen mutwillige Zerstörung zu verbessern. Es legt die allgemeinen Anforderungen an den Schutz gegen mutwillige Zerstörung, wie in EN 81 80:2019, Anhang A, Tabelle A.1, Nr. 1.2 dargelegt, genau fest.
ANMERKUNG   EN 81 71:2018, auf die in EN 81 80:2019 verwiesen wird, wurde durch EN 81 71:2022 ohne technische Änderungen ersetzt. Der Verweis auf Kategorie 0 wurde entfernt.
Das vorliegende Dokument gilt für dauerhaft eingebaute Aufzüge, die definierte Haltestellen bedienen, über einen für die Beförderung von Personen oder Personen und Lasten ausgelegten Fahrkorb verfügen.

Règles de sécurité pour la construction et l'installation des élévateurs - Ascenseurs existants - Partie 83 : Règles pour l'amélioration de la résistance aux actes de vandalisme

Le présent document fournit des règles relatives à l'application de l'EN 81 71:2022 aux ascenseurs existants afin d'améliorer leur résistance aux actes de vandalisme. Il détaille les exigences générales pour la résistance aux actes de vandalisme référencées dans l'EN 81 80:2019, Annexe A, Tableau A.1, N° 1.2.
NOTE   L'EN 81 71:2018 référencée dans l'EN 81 80:2019 a été remplacée par l'EN 81 71:2022 sans modifications techniques. La référence à la catégorie 0 a été supprimée.
Le présent document s'applique aux ascenseurs installés à demeure desservant des niveaux définis, comportant une cabine aménagée en vue du transport de personnes ou de personnes et d'objets.

Varnostna pravila za konstruiranje in vgradnjo dvigal (liftov) - Obstoječa dvigala (lifti) - 83. del: Pravila za izboljšanje odpornosti proti vandalizmu

General Information

Status
Published
Publication Date
04-Nov-2025
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Start Date
05-Nov-2025
Due Date
31-Jan-2025
Completion Date
05-Nov-2025

Relations

Effective Date
19-Jan-2023

Overview

EN 81-83:2025 - Safety rules for the construction and installation of lifts (Existing lifts) - Part 83 provides a harmonized method to apply EN 81-71:2022 to existing lifts for improved vandal resistance. Prepared by CEN/TC 10 as part of the EN 81 series, the standard targets permanently installed passenger and passenger-and-goods lifts serving defined landing levels. It sets out a practical, risk-based approach (methodology, verification and documentation) and includes a normative vandal resistance checklist (Annex A) to guide upgrades and audits.

Key topics and requirements

  • Scope and applicability: Rules for improving vandal resistance of existing lifts; aligns improvements with state-of-the-art measures for new lifts where feasible.
  • Methodology: Systematic steps to
    • categorize the lift environment (using EN 81-71:2022, Annex A),
    • identify hazardous situations linked to vandalism,
    • select risk reduction measures by priority levels (high/medium/low).
  • Checklist (Annex A): Normative tool to identify deficiencies and recommend measures. The checklist maps items to EN 81-71:2022 requirements and priority levels.
  • Examples of technical topics covered:
    • well enclosures (imperforate vs. perforate) and enclosure strength,
    • use of non‑combustible materials for well enclosures,
    • minimum well enclosure height considerations (e.g., references to a 5.0 m minimum where applicable),
    • secure locking of inspection doors, pit and roof traps,
    • door strength, perforation and glazing requirements,
    • car door restrictors, unlocking protection, load control and signage.
  • Verification and documentation: Upgrades must be verified per EN 81-20:2020 and EN 81-71:2022; information for use and records of residual risks are required.
  • Risk-based flexibility: Alternatives to prescriptive measures are permitted if they provide equivalent resistance; economic and technical feasibility are recognized.

Applications and users

EN 81-83 is practical for:

  • Lift owners and facility managers performing vandal-resistance audits and modernization planning.
  • Lift manufacturers and installers specifying retrofit solutions compatible with EN 81-71:2022.
  • Maintenance and service providers implementing priority-based upgrades and preparing verification documentation.
  • Regulators and safety authorities developing national rules or inspection criteria for existing installations. Use cases include scheduled safety surveys, refurbishment projects, responses to repeated vandalism, and shaping national upgrade programs.

Related standards

  • EN 81-71:2022 - Vandal resistant lifts (primary technical reference)
  • EN 81-80:2019 - Existing lifts - general requirements (Annex A linkage)
  • EN 81-20:2020 - Safety rules for passenger and goods passenger lifts
  • EN ISO 12100:2010 - Risk assessment and risk reduction
  • EN ISO 13857:2019 - Safety distances for hazard zones

Keywords: EN 81-83:2025, vandal resistance, existing lifts, lift safety, EN 81-71:2022, lift modernization, risk assessment, CEN checklist, lift audit, EN 81 series.

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Frequently Asked Questions

EN 81-83:2025 is a standard published by the European Committee for Standardization (CEN). Its full title is "Safety rules for the construction and installation of lifts - Existing lifts - Part 83: Rules for the improvement of the resistance against vandalism". This standard covers: This document provides rules on how to apply EN 81-71:2022 to existing lifts to improve their vandal resistance. It is detailing the general requirement for vandal resistance as referred to in EN 81-80:2019, Annex A, Table A.1, No. 1.2. NOTE EN 81-71:2018 referenced in EN 81-80:2019 has been replaced by EN 81-71:2022 without technical changes. The reference to category 0 has been removed. This document applies to permanently installed lifts serving defined landing levels, having a car designed for the transportation of persons or persons and goods.

This document provides rules on how to apply EN 81-71:2022 to existing lifts to improve their vandal resistance. It is detailing the general requirement for vandal resistance as referred to in EN 81-80:2019, Annex A, Table A.1, No. 1.2. NOTE EN 81-71:2018 referenced in EN 81-80:2019 has been replaced by EN 81-71:2022 without technical changes. The reference to category 0 has been removed. This document applies to permanently installed lifts serving defined landing levels, having a car designed for the transportation of persons or persons and goods.

EN 81-83:2025 is classified under the following ICS (International Classification for Standards) categories: 91.140.90 - Lifts. Escalators. The ICS classification helps identify the subject area and facilitates finding related standards.

EN 81-83:2025 has the following relationships with other standards: It is inter standard links to CEN/TS 81-83:2009. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

EN 81-83:2025 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.

Standards Content (Sample)


SLOVENSKI STANDARD
01-februar-2026
Nadomešča:
SIST-TS CEN/TS 81-83:2010
Varnostna pravila za konstruiranje in vgradnjo dvigal (liftov) - Obstoječa dvigala
(lifti) - 83. del: Pravila za izboljšanje odpornosti proti vandalizmu
Safety rules for the construction and installation of lifts - Existing lifts - Part 83: Rules for
the improvement of the resistance against vandalism
Sicherheitsregeln für die Konstruktion und den Einbau von Aufzügen - Bestehende
Aufzüge - Teil 83: Regeln für die Verbesserung der Schutzmaßnahmen gegen mutwillige
Zerstörung
Règles de sécurité pour la construction et l'installation des élévateurs - Ascenseurs
existants - Partie 83 : Règles pour l'amélioration de la résistance aux actes de
vandalisme
Ta slovenski standard je istoveten z: EN 81-83:2025
ICS:
91.140.90 Dvigala. Tekoče stopnice Lifts. Escalators
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 81-83
EUROPEAN STANDARD
NORME EUROPÉENNE
November 2025
EUROPÄISCHE NORM
ICS 91.140.90 Supersedes CEN/TS 81-83:2009
English Version
Safety rules for the construction and installation of lifts -
Existing lifts - Part 83: Rules for the improvement of the
resistance against vandalism
Règles de sécurité pour la construction et l'installation Sicherheitsregeln für die Konstruktion und den Einbau
des élévateurs - Ascenseurs existants - Partie 83 : von Aufzügen - Bestehende Aufzüge - Teil 83: Regeln
Règles pour l'amélioration de la resistance aux actes de für die Verbesserung der Schutzmaßnahmen gegen
vandalisme mutwillige Zerstörung
This European Standard was approved by CEN on 11 August 2025.

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. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists 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, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2025 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 81-83:2025 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 List of significant hazards . 5
5 Methodology for improving vandal resistance . 5
5.1 General . 5
5.2 Categorization of the lift . 6
5.3 Identification of hazardous situations . 6
5.4 Selection of risk reduction measures by priority levels . 6
6 Verification of improvement measures . 7
7 Information for use . 7
Annex A (normative) Check list for improving the vandal resistance of existing lifts . 8
Bibliography . 25

European foreword
This document (EN 81-83:2025) has been prepared by Technical Committee CEN/TC 10 “Lifts, escalators
and moving walks”, the secretariat of which is held by AFNOR.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by October 2027, and conflicting national standards shall
be withdrawn at the latest by October 2027.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes CEN/TS 81-83:2009.
a) transformation from a Technical Specification to a European Standard;
b) the methodology for the identification of hazards and the selection of risk reduction measures by
priority levels (previous Annex A) have been moved to Clause 5;
c) all technical requirements for protective measures have been incorporated in the checklist in the
normative Annex A which combines now the previous chapter 5 and the previous checklist in
Annex A; this combination prevents duplication of technical requirements in the document and
allows simplification of its use;
d) all references to protective measures have been updated to EN 81-71:2022.
This document is part of the EN 81 series of standards. The structure of the EN 81 series is described in
CEN/TR 81-10:2008.
Any feedback and questions on this document should be directed to the users’ national standards body.
A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organisations of the
following countries are bound to implement this European Standard: 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, Türkiye and the United
Kingdom.
Introduction
General
This document is a type-C standard as stated in EN ISO 12100.
This document is of relevance, in particular, for the following stakeholder groups representing the market
players with regard to machinery safety:
— machine manufacturers (small, medium and large enterprises);
— health and safety bodies (regulators, accident prevention organizations, market surveillance, etc.).
Others can be affected by the level of machinery safety achieved with the means of the document by the
above-mentioned stakeholder groups:
— machine users/employers (small, medium and large enterprises);
— machine users/employees (e.g. trade unions, organizations for people with special needs);
— service providers, e.g. for maintenance (small, medium and large enterprises);
— consumers (in the case of machinery intended for use by consumers).
The above-mentioned stakeholder groups have been given the possibility to participate in the drafting
process of this document.
The machinery concerned and the extent to which hazards, hazardous situations or hazardous events are
covered are indicated in the Scope of this document.
When requirements of this type-C standard are different from those which are stated in type-A or type-B
standards, the requirements of this type-C standard take precedence over the requirements of the other
standards for machines that have been designed and built according to the requirements of this type-C
standard.
General remarks
This document was developed to establish a methodology to specify at national level procedures for
improving the resistance against vandalism of existing lifts. Existing lifts were installed to the state of the
art appropriate at that time. This level is less than today’s state of the art, and in many applications,
vandalism has not been considered or only a few features addressing vandalism have been installed.
In order to support this aim, this document is intended to help owners, authorities and lift
designers/manufacturers to find practical solutions and ways of applying EN 81-71:2022 to existing lifts
to improve the resistance against vandalism. Where, due to practical reasons, these standards cannot be
fully applied, this document provides alternative proposals.
1 Scope
This document provides rules on how to apply EN 81-71:2022 to existing lifts to improve their vandal
resistance. It is detailing the general requirement for vandal resistance as referred to in EN 81-80:2019,
Annex A, Table A.1, No. 1.2.
NOTE EN 81-71:2018 referenced in EN 81-80:2019 has been replaced by EN 81-71:2022 without technical
changes. The reference to category 0 has been removed.
This document applies to permanently installed lifts serving defined landing levels, having a car designed
for the transportation of persons or persons and goods.
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 81-20:2020, Safety rules for the construction and installation of lifts - Lifts for the transport of persons
and goods - Part 20: Passenger and goods passenger lifts
EN 81-71:2022, Safety rules for the construction and installation of lifts - Particular applications to
passenger lifts and goods passenger lifts - Part 71: Vandal resistant lifts
EN ISO 13857:2019, Safety of machinery - Safety distances to prevent hazard zones being reached by upper
and lower limbs (ISO 13857:2019)
EN ISO 12100:2010, Safety of machinery - General principles for design - Risk assessment and risk reduction
(ISO 12100:2010)
3 Terms and definitions
For the purposes of this document, the terms and definitions given in EN ISO 12100:2010, EN 81-20:2020
and EN 81-71:2022 apply.
ISO and IEC maintain terminology 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 List of significant hazards
EN 81-71:2022, Clause 4 applies.
5 Methodology for improving vandal resistance
5.1 General
All technical solutions for improvement of vandal resistance of existing lifts shall be aligned as much as
possible to the state-of-the-art solutions applicable for new lifts. The requirements and/or protective
measures documented in today's state-of-the-art standards for new lifts shall not be considered as the
only possible solution. Alternatives are permitted, provided they lead to an equivalent level of resistance.
Although immediate upgrading of all existing lifts would be preferable from the vandal resistance point
of view, this can be not possible in a short period of time due to technical and economic reasons.
This document does not provide legally binding requirements for measures to be carried out or for the
period of time for such measures. The procedures described in this clause are intended to assist in setting
up national regulations and/or providing a systematic approach to the lift owners for improving the
vandal resistance of existing lifts by showing:
— how to identify hazards;
— how to evaluate the existing hazardous situations; and
— how to classify priority levels which apply to the relevant hazards and risk reduction measures.
NOTE Regarding existing lifts, local regulations and requirements can apply.
Before upgrading a lift by one or several of the appropriate measures, the consequences to other parts of
the lift shall be considered. This may lead to further modifications to align the interfaces and to prevent
lowering the safety or vandal resistance in other areas of the lift.
After the upgrading of a lift by one or several of the appropriate measures the remaining hazardous
situations should be documented and recorded for future upgrades and general awareness to manage
any residual risks.
At lifts categorized by Category 1 or Category 2, a new audit should be carried out in order to check
whether the previous assessment needs to be updated:
— in periodic scheme, or;
— when vandalism occurs, or;
— whenever the use of the lift has changed, and new requirements are expected.
5.2 Categorization of the lift
Clarification of the existing environment and the likelihood of persons acting as a vandal, enable the
owner of the lift to define the category according to EN 81-71:2022, Annex A. This annex also gives
guidance on how vandalism in general can be reduced by external influences due to observation, the way
in accessing the lift, appearance, performance of the lift, etc. These elements may be taken into
consideration before or in addition to a modification of the lift.
5.3 Identification of hazardous situations
Annex A contains a checklist which shall be used for identification of hazardous situations due to
vandalism relevant for an individual lift and for determination of appropriate measures. The checklist
can be used in the course of any periodical survey or special examination on a given installation, but only
technically competent and sufficiently trained persons should be allowed to carry out these
examinations.
NOTE Regarding examinations for identification of hazardous situations, local regulations and requirements
can apply.
5.4 Selection of risk reduction measures by priority levels
Table 1 shows a minimum level of improvements to be fulfilled according to EN 81-80:2019 in order to
achieve a basic protection against hazardous damages due to careless and rough use, which every lift can
be subjected. For lifts where deliberate acts of vandalism are expected according to Category 1 or
Category 2 the checklist in Annex A indicates the priorities of protective measures for improving the
vandal resistance. It is recommended to select the measures with priority level high first in order to
achieve an essential improvement of vandal resistance. Priority levels medium or low may be selected at
a later stage, e.g. in combination with a modernisation of the lift and/or replacement of components.
Table 1 — Items of EN 81-80:2019 affecting this document
No. No. in this
Hazard/Hazardous situation
EN 81-80:2019 document
2.1 Inadequate locking devices on access doors to well and pit 1.6
2.3 Well enclosures with perforate walls 1.1
2.5 Partially enclosed well with too low enclosure 1.4 / 1.5
2.17 Excessive horizontal distance between the inner surface of the well 3.17
and the sill, door frame of the car or closing edge of car sliding doors
2.19 Excessive distance between leading edges of car and landing door 3.8
4.1 Perforate landing doors 3.1
4.2 Perforate car doors 3.1
4.3 Inadequate strength of landing doors 3.5
4.4 Inadequate strength of car doors 3.5
4.5 – 4.8 Inadequate glass in doors 3.7
4.15 Unlocking of landing door without a special tool 3.12 / 3.13
4.21 Missing car door restrictor 3.16
5.3 Unsafe locking of car roof trap door 4.14
5.10 No or inadequate load control on car -
11.1 Missing notices, markings and operating instructions 7.1
Existing lifts might already fully or nearly comply with many requirements of this document even if
earlier local regulations did not contain relevant requirements. In such cases, the priority levels may be
lowered or even the requirement being considered as fulfilled.
The priority levels in the checklist are defined in accordance with safety considerations only. However,
implementation of measures to improve the vandal resistance is also a question of economic
considerations and technical feasibility. Therefore, preference should be given to measures which are
reasonable and practical and/or which are of high priority.
6 Verification of improvement measures
Before putting a lift back into service after modifications, the measures shall be verified in accordance
with EN 81-20:2020, Clause 6 and EN 81-71:2022, Clause 6.
7 Information for use
Relevant documentation shall be provided for those components which are changed and completed
according to Annex A of this document.
Annex A
(normative)
Check list for improving the vandal resistance of existing lifts
The vandal resistance check list in this annex (Table A.1) shall be used as a tool to identify the deficiencies
related to vandal resistance and to determine which type of protective measure(s) according to today’s
state-of-the-art are applicable.
Alternative protective measures may be chosen, provided they lead to an equivalent level of vandal
resistance.
A risk assessment shall be made on a case by case basis for additional deficiencies not covered in this
document.
Table A.1 — Vandal resistance check list for existing lifts
Possible
Items to be checked Related risk
Protective measures
Requirement Priority measures
No. for compliance with Category according to
fulfilled level to be
(risk reduction measures)
EN 81-71:2022 EN 81-80:2019
adopted
1 Lift well
◻ Yes ◻
1. Enclose the well with imperforate
No
enclosure, or
1 ◻ Yes ◻ No Mid
Imperforate well
1.1 2.3, 2.4
2. for category 1, fit perforate well
enclosure
2 High
enclosure according to
◻ Yes ◻
EN ISO 13857:2019, 4.2.4.2
No
Replace by well material with
1 ◻ Yes ◻ No Mid
◻ Yes ◻
1.2 Strength of enclosure strength in accordance with
No
2 High
EN 81-71:2022, 5.2.1.1
Non-combustible Replace by non-combustible
1 Mid
◻ Yes ◻ No
◻ Yes ◻
1.3 material of well material in accordance with
No
2 High
enclosures EN 81-71:2022, 5.2.1.1
◻ Yes ◻ No
Fit well enclosure in accordance
Height of well enclosure
◻ Yes ◻
1.4 1 High with EN 81-20:2020, 5.2.5.2.3 b) 2.5
◻ Not
minimum 5,0 m
No
with a minimum height of 5,0 m
applicable
◻ Yes ◻ No
Fit totally enclosed well in
Totally enclosed well
◻ Yes ◻
1.5 2 High accordance with EN 81-20:2020, 2.5
◻ Not
enclosure
No
5.2.5.2.2.1
applicable
Safe locking of Fit doors and inspection traps that
◻ Yes ◻ No
1 Mid
inspection and it is not possible to open them in
◻ Yes◻
1.6 2.1, 2.2
◻ Not
emergency doors, accordance with EN 81-71:2022,
No
2 High
applicable
inspection traps 5.2.2.1
Possible
Items to be checked Related risk
Protective measures
Requirement Priority measures
No. for compliance with Category according to
fulfilled level to be
(risk reduction measures)
EN 81-71:2022 EN 81-80:2019
adopted
Sufficient strength of
◻ Yes ◻ No
Fit doors with a strength in
1 Mid
inspection and ◻ Yes ◻
1.7 accordance with EN 81-71:2022,
◻ Not
emergency doors,
No
2 High
5.2.2.2
applicable
inspection traps
Fit ventilation openings with
◻ Yes ◻ No
Dimension and
1 Low
dimensions and protections in
◻ Yes ◻
1.8 protection of
◻ Not
accordance with EN 81-71:2022,
No
2 Low
ventilation openings
applicable
5.3.3
◻ Yes ◻ No
Strength of protection Fit ventilation openings strength in
1 Low
◻ Yes ◻
1.9 of the ventilation accordance with EN 81-71:2022,
◻ Not
No
2 Low
openings 5.3.4
applicable
Machinery spaces,
2 pulley rooms and
machinery cabinets
Fit imperforate enclosure in
1 Mid
◻ Yes ◻ No
◻ Yes ◻
2.1 Imperforate enclosure accordance with EN 81-71:2022,
No
2 High
5.2.1.1
Fit enclosures with strength in
1 ◻ Yes ◻ No Mid
◻ Yes ◻
2.2 Sufficient strength accordance with EN 81-71:2022,
No
2 High
5.2.1.1
Fit non-combustible enclosures in
1 Mid
◻ Yes ◻ No
Non-combustible
◻ Yes ◻
2.3 accordance with EN 81-71:2022,
material
No
2 High
5.2.1.1
If accessible to persons, fit
...

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