EN 81-44:2024
(Main)Safety rules for the construction and installation of lifts - Special lifts for the transport of persons and goods - Part 44: Lifting appliances in wind turbines
Safety rules for the construction and installation of lifts - Special lifts for the transport of persons and goods - Part 44: Lifting appliances in wind turbines
1.1 This document specifies the safety requirements for the construction and installation of power operated lifting appliances installed permanently for indoor or outdoor service in wind turbines and intended for access to workplaces on wind turbines, including rescue and evacuation procedures. A lifting appliance serves defined landing levels and can move persons to working positions where they are carrying out work (which could be from the carrier) and has a carrier which is:
a) designed for the transportation of persons and goods;
b) guided;
c) travelling vertically or along a path within 15° maximum from the vertical;
d) supported or sustained by rack and pinion or rope traction drive;
e) travelling with a speed not more than 0,7 m/s;
f) able to operate in a temperature range between - 25 °C to + 55 °C.
1.2 This document does not cover hazards related to:
a) noise;
b) the use of the lifting appliance for erection or dismantling of the wind turbine;
c) lightning protection;
d) use in potentially explosive atmospheres;
e) electromagnetic compatibility (emission, immunity);
f) transporting of goods outside the carrier;
g) the use of combustion engines;
h) hydraulic and pneumatic drive units;
i) the use of lifting appliances in floating wind turbines;
j) use during earthquakes.
1.3 This document is not applicable to lifting appliances manufactured before the date of its publication.
Sicherheitsregeln für die Konstruktion und Installation von Aufzügen - Besondere Aufzüge für den Transport von Personen und Gütern - Teil 44: Aufzüge in Windenergieanlagen
Règles de sécurité pour la construction et l'installation des élévateurs - Élévateurs particuliers destinés au transport des personnes et des matériaux - Partie 44 : Élévateurs pour éolienne
1.1 This document specifies the safety requirements for the construction and installation of power operated lifting appliances installed permanently for indoor or outdoor service in wind turbines and intended for access to workplaces on wind turbines, including rescue and evacuation procedures. A lifting appliance serves defined landing levels and can move persons to working positions where they are carrying out work (which could be from the carrier) and has a carrier which is:
a) designed for the transportation of persons and goods;
b) guided;
c) travelling vertically or along a path within 15° maximum from the vertical;
d) supported or sustained by rack and pinion or rope traction drive;
e) travelling with a speed not more than 0,7 m/s;
f) able to operate in a temperature range between -25 °C to + 55 °C.
1.2 This document does not cover hazards related to:
a) noise;
b) the use of the lifting appliance for erection or dismantling of the wind turbine;
c) lightning protection;
d) use in potentially explosive atmospheres;
e) electromagnetic compatibility (emission, immunity);
f) transporting of goods outside the carrier;
g) the use of combustion engines;
h) hydraulic and pneumatic drive units;
i) the use of lifting appliances in floating wind turbines;
j) use during earthquakes.
1.3 This document is not applicable to lifting appliances manufactured before the date of its publication.
Varnostna pravila za konstruiranje in vgradnjo dvigal (liftov) - Posebna dvigala za prevoz oseb in blaga - 44. del: Dvigala v vetrnih turbinah
1.1 Ta dokument določa varnostne zahteve za konstruiranje in vgradnjo dvižnih naprav na električni pogon (v nadaljnjem besedilu »dvigala«), ki so trajno nameščene za notranjo ali zunanjo uporabo v vetrnih turbinah in so namenjene dostopu pristojnih oseb do delovnih mest na vetrnih turbinah. Dvigalo se uporablja za določene ravni podestov in lahko premakne osebe na delovna mesta, kjer opravljajo delo (npr. iz vozička), ter vključuje voziček, ki:
a) je zasnovan za prevoz oseb in blaga;
b) je voden;
c) potuje navpično ali pod kotom največ 15 stopinj od navpičnice;
d) je podprt ali ga držita tračnica in zobato kolesce ali vlečni pogon z vrvjo;
e) potuje s hitrostjo največ 0,7 m/s;
f) deluje v temperaturnem območju od –25 °C do +55 °C.
1.2 Ta dokument opredeljuje nevarnosti, navedene v točki 4, do katerih pride med različnimi fazami življenjske dobe take opreme, in opisuje metode za odpravo ali zmanjšanje teh nevarnosti, kadar se oprema uporablja v skladu s predvidenim namenom.
1.3 Ta dokument ne določa zahtev za:
a) obratovanje v težkih pogojih (npr. skrajne podnebne razmere, močna magnetna polja);
b) hrup;
c) uporabo dvigala za gradbena ali razstavljalna dela v zvezi z vetrno turbino;
d) zaščito pred udarom strele;
e) obratovanje, pri katerem veljajo posebna pravila (npr. potencialno eksplozivne atmosfere);
OPOMBA: Za vrsto strojev ali opreme, ki jo zajema ta evropski standard, je mogoče uporabiti Direktivo 2014/34/EU v zvezi z opremo in zaščitnimi sistemi, namenjenimi za uporabo v potencialno eksplozivnih atmosferah. Ta standard ne podaja načinov za dokazovanje skladnosti z bistvenimi zdravstvenimi in varnostnimi zahtevami Direktive 2014/34/EU.
f) elektromagnetno združljivost (emisije, odpornost);
g) ravnanje s tovori, ki lahko povzročijo nevarne razmere;
h) uporabo motorjev z notranjim zgorevanjem;
i) hidravlične in pnevmatske pogonske enote;
j) nevarnosti, ki se pojavljajo med proizvodnjo;
k) uporabo dvigal v plavajočih vetrnih turbinah;
l) uporabo pri potresih.
1.4 Ta dokument se ne uporablja za:
a) gradbena dvigala v skladu s standardi EN 12158-1:2000, EN 12158-2:2000 in EN 12159:2000;
b) upravljalna mesta za dviganje oz. spuščanje v skladu s standardom EN 14502-2:2005+A1:2008;
c) dvigala v skladu s standardom EN 81-20:2019;
d) delovne ploščadi v skladu s standardi EN 280:2013+A1:2015, EN 1808:2015 in EN 1495:1997+A2:2009;
e) dvigala na žerjavih v skladu s standardom EN 81-43:2009.
Ta dokument se ne uporablja za dvigala, ki so bila izdelana pred datumom njegove objave.
General Information
Overview
EN 81-44:2024 (identical to EN 81-44:2024) specifies safety rules for the construction and permanent installation of power‑operated lifting appliances in wind turbines. It covers lifts intended to provide access to workplaces in wind turbine towers and nacelles, including provisions for rescue and evacuation. The standard applies to guided carriers transporting people and goods that travel vertically (or within 15° of vertical), are supported by rack-and‑pinion or rope traction drives, run at speeds ≤ 0.7 m/s, and are designed to operate between -25 °C and +55 °C. It is not applicable to lifting appliances manufactured before the date of publication.
Key technical topics and requirements
- Scope & exclusions: Clarifies hazards not covered (e.g., noise, lightning protection, explosive atmospheres, floating turbines, hydraulic drives, earthquakes).
- Loads and calculations: Design loads, load combinations, static and fatigue strength, suspension and rope calculations, and calculation methods.
- Liftway protection & access: Requirements for liftway enclosures, landing access and base enclosures suitable for tower environments.
- Guiding systems & carriers: Specifications for rigid guides, mast or rope guiding, carrier floors, walls, roofs, doors, trapdoors and inspection openings.
- Drive units: Requirements for traction hoist and rack‑and‑pinion drives, including redundant drive configurations.
- Control & safety devices: Travel limit switches, slack‑rope detection, overload and obstruction detection, emergency stops, interlocks and overspeed/fall‑arrest devices.
- Electrical installations: Protection from faults and external influences, wiring, safety contacts and lighting.
- Verification & testing: Detailed verification tests before first use (normative annexes cover drive, overspeed/fall arrest, landing gate tests).
- Information for use: User manuals, maintenance instructions, marking, and in‑carrier/bottom‑landing information.
- Informative guidance: Evacuation/rescue guidance, list of significant hazards and calculation guidance (informative annexes).
Practical applications
- Designing and certifying tower elevators and service lifts for onshore wind turbines.
- Specifying drive systems (rack & pinion or rope traction) and safety devices for turbine access.
- Preparing installation, commissioning and verification test plans for turbine lifts.
- Creating maintenance, rescue and evacuation procedures for wind farm operators.
- Demonstrating conformity with relevant EU requirements (see Annex ZA on Directive 2006/42/EC).
Who should use this standard
- Lift manufacturers and suppliers for wind turbines
- Wind turbine OEMs and integrators
- Installation and commissioning teams
- Safety engineers and certification bodies
- Maintenance managers and site operators
Related keywords: EN 81-44, lifts in wind turbines, wind turbine elevator safety, rack and pinion lifts, traction hoist drives, overspeed safety devices, liftway protection, lift verification tests.
Standards Content (Sample)
SLOVENSKI STANDARD
01-marec-2025
Varnostna pravila za konstruiranje in vgradnjo dvigal (liftov) - Posebna dvigala za
prevoz oseb in blaga - 44. del: Dvigala v vetrnih turbinah
Safety rules for the construction and installation of lifts - Special lifts for the transport of
persons and goods - Part 44: Lifting appliances in wind turbines
Sicherheitsregeln für die Konstruktion und Installation von Aufzügen - Besondere
Aufzüge für den Transport von Personen und Gütern - Teil 44: Aufzüge in
Windenergieanlagen
Règles de sécurité pour la construction et l'installation des élévateurs - Applications
particulières pour les ascenseurs et les ascenseurs de charge - Partie 44 : Ascenseurs
de chantier pour éolienne
Ta slovenski standard je istoveten z: EN 81-44:2024
ICS:
27.180 Vetrne elektrarne Wind turbine energy systems
91.140.90 Dvigala. Tekoče stopnice Lifts. Escalators
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN 81-44
EUROPEAN STANDARD
NORME EUROPÉENNE
July 2024
EUROPÄISCHE NORM
ICS 27.180; 91.140.90
English Version
Safety rules for the construction and installation of lifts -
Special lifts for the transport of persons and goods -
Part 44: Lifting appliances in wind turbines
Règles de sécurité pour la construction et l'installation Sicherheitsregeln für die Konstruktion und Installation
des élévateurs - Élévateurs particuliers destinés au von Aufzügen - Besondere Aufzüge für den Transport
transport des personnes et des matériaux - von Personen und Gütern - Teil 44: Aufzüge in
Partie 44 : Élévateurs pour éolienne Windenergieanlagen
This European Standard was approved by CEN on 30 June 2024.
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 NORMALISATIO N
EUROPÄISCHES KOMITEE FÜR NORMUN G
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2024 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 81-44:2024 E
worldwide for CEN national Members.
Contents Page
European foreword . 5
Introduction . 6
1 Scope . 7
2 Normative references . 8
3 Terms, definitions, symbols and abbreviated terms . 10
3.1 Terms and definitions . 10
3.2 Symbols and abbreviations . 13
4 List of significant hazards . 14
5 Safety requirements . 14
5.1 General. 14
5.2 Loads and calculations . 14
5.2.1 Design loads . 14
5.2.2 Load combinations . 19
5.2.3 Calculation of static and fatigue strength . 21
5.2.4 Calculation for the suspension . 24
5.2.5 Calculation for drive and secondary wire ropes . 24
5.2.6 Calculation methods . 24
5.3 Liftway protection, base enclosure and landing access . 25
5.3.1 General. 25
5.3.2 Liftway protection . 26
5.3.3 Liftway protection at landings . 29
5.4 Base frame . 37
5.5 Guiding systems and buffers . 37
5.5.1 General. 37
5.5.2 Rigid guiding for traction hoist drives . 37
5.5.3 Mast guiding for rack and pinion drives . 37
5.5.4 Rope guiding for traction hoist drives . 38
5.5.5 End limits of the movements . 38
5.6 Carrier . 39
5.6.1 General requirements . 39
5.6.2 Carrier floor . 39
5.6.3 Carrier walls . 39
5.6.4 Carrier roof . 40
5.6.5 Carrier door . 40
5.6.6 Trapdoor and ladder access door . 41
5.6.7 Inspection opening . 41
5.7 Drive units . 41
5.7.1 General. 41
5.7.2 No-power descent . 42
5.7.3 Protection and accessibility . 42
5.7.4 Traction hoist drive . 42
5.7.5 Rack and pinion drive . 44
5.8 Control and limiting devices . 47
5.8.1 General. 47
5.8.2 Travel limit switches . 50
5.8.3 Slack rope device . 50
5.8.4 Overload detection device . 50
5.8.5 Obstruction detection device . 51
5.8.6 Emergency stopping devices . 52
5.8.7 Interlocking devices . 52
5.8.8 Drive unit fault detection device for rack and pinion system with two redundant drive
units . 55
5.8.9 Control modes . 55
5.9 Electric installations and appliances . 56
5.9.1 General . 56
5.9.2 Protection against electric faults . 56
5.9.3 Protection against the effects of external influences . 57
5.9.4 Electric wiring . 57
5.9.5 Contactors, relay-contactors . 57
5.9.6 Electric safety devices . 57
5.9.7 Safety contacts . 58
5.9.8 Lighting . 58
5.10 Safety devices against falling of the lifting appliance . 58
5.10.1 Overspeed safety device against falling of the lifting appliance (traction hoist drive)
................................................................................................................................................................... 58
5.10.2 Fall arrest device against falling of the lifting appliance (traction hoist drive) . 59
5.10.3 Safety device against falling of the carrier (rack and pinion drive) . 60
6 Verification . 61
6.1 General . 61
6.2 Verification tests on each lifting appliance before first use . 70
7 Information for use . 71
7.1 General . 71
7.2 User’s manual . 71
7.3 Information for installation and dismantling . 72
7.4 Information for maintenance . 72
7.5 User Information available in the carrier . 73
7.6 User Information available at the bottom landing . 73
7.7 Marking . 73
7.7.1 General . 73
7.7.2 Markings on the carrier . 73
7.7.3 Markings at landings . 74
7.7.4 Mast or guide section identification label for rack and pinion drive . 74
7.7.5 Ladder guiding identification label . 74
7.7.6 Overspeed safety device and fall arrest device label . 74
7.7.7 Drive unit label . 74
7.7.8 Marking for wire ropes for traction hoist drive . 75
7.7.9 Control elements . 75
Annex A (normative) Lifting appliance verification tests . 76
A.1 Test conditions and documentation . 76
A.2 Lifting appliance verification test in as installed configuration . 77
A.3 Carrier verification test . 87
Annex B (normative) Drive unit verification tests . 89
B.1 General . 89
B.2 Traction hoist drive . 89
B.3 Rack and pinion drive (One drive system) . 91
B.4 Rack and pinion system with two redundant drive units . 94
Annex C (normative) Overspeed safety device and fall arrest device verification tests . 97
C.1 General. 97
C.2 Overspeed safety devices and fall arrest devices for traction hoist drives . 97
C.3 Overspeed safety device for rack and pinion drive . 102
Annex D (normative) Other verification tests . 104
D.1 General. 104
D.2 Landing gate and enclosure verification tests . 104
Annex E (informative) Evacuation and rescue . 105
E.1 Introduction . 105
E.2 Evacuation scenario . 105
Annex F (informative) List of significant hazards . 106
Annex G (informative) Guidance on calculation methods . 108
Annex ZA (informative) Relationship between this European Standard and the essential
requirements of Directive 2006/42/EC aimed to be covered . 109
Bibliography . 112
European foreword
This document (EN 81-44:2024) 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 January 2025, and conflicting national standards shall
be withdrawn at the latest by January 2025.
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 is part of the EN 81 series of standards. The structure of the EN 81 series is described in
CEN/TR 81-10:2008.
This document has been prepared under a standardization request addressed to CEN by the European
Commission. The Standing Committee of the EFTA States subsequently approves these requests for its
Member States.
For the relationship with EU Legislation, see informative Annex ZA, which is an integral part of this
document.
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
This document is a type-C standard as stated in EN ISO 12100:2010.
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 case of machinery intended for use by consumers).
The above-mentioned stakeholder groups have been given the possibility to participate at 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.
1 Scope
1.1 This document specifies the safety requirements for the construction and installation of power
operated lifting appliances installed permanently for indoor or outdoor service in wind turbines and
intended for access to workplaces on wind turbines, including rescue and evacuation procedures. A lifting
appliance serves defined landing levels and can move persons to working positions where they are
carrying out work (which could be from the carrier) and has a carrier which is:
a) designed for the transportation of persons and goods;
b) guided;
c) travelling vertically or along a path within 15° maximum from the vertical;
d) supported or sustained by rack and pinion or rope traction drive;
e) travelling with a speed not more than 0,7 m/s;
f) able to operate in a temperature range between –25 °C to + 55 °C.
1.2 This document does not cover hazards related to:
a) noise;
b) the use of the lifting appliance for erection or dismantling of the wind turbine;
c) lightning protection;
d) use in potentially explosive atmospheres;
e) electromagnetic compatibility (emission, immunity);
f) transporting of goods outside the carrier;
g) the use of combustion engines;
h) hydraulic and pneumatic drive units;
i) the use of lifting appliances in floating wind turbines;
j) use during earthquakes.
1.3 This document is not applicable to lifting appliances manufactured before the date of its
publication.
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 81-43:2009, Safety rules for the construction and installation of lifts — Special lifts for the transport of
persons and goods — Part 43: Lifts for cranes
EN 81-50:2020, Safety rules for the construction and installation of lifts — Examinations and tests — Part
50: Design rules, calculations, examinations and tests of lift components
EN 795:2012, Personal fall protection equipment — Anchor devices
EN 894-1:1997+A1:2008, Safety of machinery — Ergonomics requirements for the design of displays and
control actuators — Part 1: General principles for human interactions with displays and control actuators
EN 1808:2015, Safety requirements for suspended access equipment — Design calculations, stability
criteria, construction — Examinations and tests
EN 1991-1-3:2003 , Eurocode 1 — Actions on structures — Part 1-3: General actions — Snow loads
EN 10264-1:2012, Steel wire and wire products — Steel wire for ropes — Part 1: General requirements
EN 10264-2:2021, Steel wire and wire products — Steel wire for ropes — Part 2: Cold drawn non alloy steel
wire for ropes for general applications
EN 10264-3:2023, Steel wire and wire products — Steel wire for ropes — Part 3: Round and shaped non
alloyed steel wire for high duty applications
EN 10264-4:2012, Steel wire and wire products — Steel wire for ropes — Part 4: Stainless steel wire
EN 12385-1:2002+A1:2008, Steel wire ropes — Safety — Part 1: General requirements
EN 12385-2:2002+A1:2008, Steel wire ropes — Safety — Part 2: Definitions, designation and classification
EN 12385-3:2020, Steel wire ropes — Safety — Part 3: Information for use and maintenance
EN 12385-4:2002+A1:2008, Steel wire ropes — Safety — Part 4: Stranded ropes for general lifting
applications
EN 13001-2:2021, Crane safety — General design — Part 2: Load actions
EN 13411-1:2002+A1:2008, Terminations for steel wire ropes — Safety — Part 1: Thimbles for steel wire
rope slings
EN 13411-2:2001+A1:2008, Terminations for steel wire ropes — Safety — Part 2: Splicing of eyes for wire
rope slings
As impacted by EN 1991-1-3:2003/A1:2015 and EN 1991-1-3:2003/AC:2009.
EN 13411-3:2022, Terminations for steel wire ropes — Safety — Part 3: Ferrules and ferrule-securing
EN 13411-4:2021, Terminations for steel wire ropes — Safety — Part 4: Metal and resin socketing
EN 13411-5:2003+A1:2008, Terminations for steel wire ropes — Safety — Part 5: U-bolt wire rope grips
EN 13411-6:2004+A1:2008, Terminations for steel wire ropes — Safety — Part 6: Asymmetric wedge
socket
EN 13411-7:2021, Terminations for steel wire ropes — Safety — Part 7: Symmetric wedge socket
EN 60204-1:2018, Safety of machinery — Electrical equipment of machines — Part 1: General
requirements (IEC 60204-1:2016)
EN 60529:1991 , Degrees of protection provided by enclosures (IP Code) (IEC 60529:1989)
EN IEC 60947-4-1:2019 , Low-voltage switchgear and controlgear — Part 4-1: Contactors and motor-
starters — Electromechanical contactors and motor-starters (IEC 60947-4-1:2018)
EN 60947-5-1:2017 , Low-voltage switchgear and controlgear — Part 5-1: Control circuit devices and
switching elements — Electromechanical control circuit devices (IEC 60947-5-1:2016)
EN ISO 12100:2010, Safety of machinery — General principles for design — Risk assessment and risk
reduction (ISO 12100:2010)
EN ISO 13849-1:2023, Safety of machinery — Safety-related parts of control systems — Part 1: General
principles for design (ISO 13849-1:2023)
EN ISO 13850:2015, Safety of machinery — Emergency stop function — Principles for design
(ISO 13850:2015)
EN ISO 13851:2019, Safety of machinery — Two-hand control devices — Principles for design and selection
(ISO 13851:2019)
EN ISO 13854:2019, Safety of machinery — Minimum gaps to avoid crushing of parts of the human body
(ISO 13854:2017)
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 14119:2013, Safety of machinery — Interlocking devices associated with guards — Principles for
design and selection (ISO 14119:2013)
EN ISO 14122-3:2016, Safety of machinery — Permanent means of access to machinery — Part 3: Stairs,
stepladders and guard-rails (ISO 14122-3:2016)
EN ISO 14122-4:2016, Safety of machinery — Permanent means of access to machinery — Part 4: Fixed
ladders (ISO 14122-4:2016)
As impacted by EN 60529:1991/AC:2016-12, EN 60529:1991/A1:2000, EN 60529:1991/A2:2013 and
EN 60529:1991/A2:2013/AC:2019-02.
As impacted by EN IEC 60947-4-1:2019/AC:2021-04 and EN IEC 60947-4-1:2019/AC:2020-05.
As impacted by EN 60947-5-1:2017/AC:2020-05.
ISO 6336-1:2019, Calculation of load capacity of spur and helical gears — Part 1: Basic principles,
introduction and general influence factors
ISO 6336-2:2019, Calculation of load capacity of spur and helical gears — Part 2: Calculation of surface
durability (pitting)
ISO 6336-3:2019, Calculation of load capacity of spur and helical gears — Part 3: Calculation of tooth
bending strength
ISO 6336-5:2016, Calculation of load capacity of spur and helical gears — Part 5: Strength and quality of
materials
3 Terms, definitions, symbols and abbreviated terms
3.1 Terms and definitions
For the purposes of this document, the terms and definitions given in EN ISO 12100:2010, EN 81-43:2009
and the following 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
3.1.1
lifting appliance
machine with a carrier which is guided and intended for transport between different levels
3.1.2
base frame
lowest framework of the rack and pinion lifting appliance upon which all other components are mounted
[SOURCE: EN 81-43:2009, definition 3.7, modified – term “rack and pinion” added, term “lift” replaced
with “lifting appliance”]
3.1.3
carrier
load carrying unit including floor, walls, doors and roof
[SOURCE: EN 81-43:2009, 3.13, definition modified]
3.1.4
interlocking device
interlock
mechanical, electrical or other type of device, the purpose of which is to prevent the operation of
hazardous machine functions under specified conditions (generally as long as a guard is not closed)
[SOURCE: EN ISO 12100:2010, 3.28.1]
3.1.5
guard locking device
device intended to lock a guard in the closed position and linked to the control system
Note 1 to entry: Interlocking device [3.1.4] with additional function of keeping the guard locked when the
hazardous machine functions are in operation.
[SOURCE: EN ISO 14119:2013, 3.4]
3.1.6
landing
level in the wind turbine intended for loading and unloading the carrier (3.1.3)
[SOURCE: EN 81-43:2009, 3.21, modified]
3.1.7
landing zone
zone, extending above and below the landing level, in which the carrier floor has to be to enable the
corresponding landing door to be unlocked
3.1.8
overspeed safety device
mechanical device for stopping and maintaining stationary the carrier in the event of over-speed
3.1.9
fall arrest device
mechanical device for stopping and maintaining stationary the carrier in the event of drive wire rope
failure
3.1.10
evacuation
specific actions required to safely release persons entrapped in the carrier without external help
3.1.11
rescue
specific actions required to safely release persons entrapped in the carrier
3.1.12
rigid guiding
guiding means where the carrier is guided by rigid rail or profile (e.g. mast guiding or ladder guiding)
3.1.13
mast guiding
structure that supports and guides the carrier
3.1.14
ladder guiding
ladder that guides the carrier and that can be used for climbing
3.1.15
obstruction detection device
protective equipment detecting obstacles during the travel of the carrier (i.e. persons or objects)
3.1.16
working load limit
WLL
maximum load that a drive unit, fall arrest device and/or an overspeed safety device is authorized to
sustain as designated by the manufacturer
3.1.17
rated load
m
H
load of persons and/or equipment that a lifting appliance has been designated to carry by the
manufacturer in normal use
3.1.18
traction hoist drive
assembly through which a wire rope is conveyed as a result of friction between the wire rope and the
traction assembly with no tail load
3.1.19
rope guiding
guiding by means of tensioned steel wire ropes that prevent the carrier from swinging and rotating while
being stationary and during travel
3.1.20
drive wire rope
active wire rope carrying the suspended load
3.1.21
secondary wire rope
wire rope not normally carrying the suspended load but rigged to work in conjunction with a fall arrest
device
3.1.22
buffer
resilient stop at the end of travel comprising a means of braking using fluids or springs (or other similar
means, e.g. rubber)
3.1.23
vision panel
transparent or perforated panel intended to provide a line of sight inside or outside the carrier
3.1.24
pit
recessed area, which is part of the liftway and has closed sides and is only accessible from above through
the liftway
3.2 Symbols and abbreviations
Symbols, Description
abbreviations
A Area of the lifting appliance on which the wind acts
ref
C Exposure coefficient related to snow loads
e
D Pulley pitch diameter
F Minimum breaking load of wire rope
min
F Wind load
w
H Pitch ratio
S Maximum tensile load in the rope
S Snow load on the carrier
c
S Characteristic value of snow load on the ground
k
Sd Shock load coefficient
St Test load
Tm Dynamic tensile force
WLL Working load limit
Z Drive rope factor
p
c Aerodynamic coefficient
a
d Rope diameter
f Limit design stress
Rd
f Limit design normal stress
Rdσ
f Limit design shear stress
Rdτ
f Ultimate strength
u
f Yield strength (= f in Eurocode 9)
y o
m Mass of unloaded carrier
c
m Mass of tools and equipment
e
m Rated load
H
m Mass of material in the lifting appliance
m
m Assumed mass of a person
p
m Mass of the power and control cables
pc
m Partial mass of the power cable based on traveling height depending on the
pce
overload system
m Mass of the drive ropes (for traction hoist drive)
R
Symbols, Description
abbreviations
m Partial mass of the drive wire rope based on traveling height depending on
Re
the overload system
m Mass of the tension weights (for traction hoist drive)
w
n Number of persons in the lifting appliance
n Number of load carrying ropes
r
q Wind pressure
v Reference storm wind speed
ref
γ Material safety factor for parts with continuous stress
f
γ Resistance coefficient
m
γ Partial safety factor for load
p
µ Impact factor
μ (0°) Snow load shape coefficient
σ Allowable stress
a
σ Calculated stress
c
σ Design normal stress
Sd
φ Dynamic factor due to buffer loads
τ Design shear stress
Sd
4 List of significant hazards
Significant hazards are listed in Annex F, Table F.1.
5 Safety requirements
5.1 General
Machinery shall comply with the safety requirements and/or protective/risk reduction measures of this
clause. In addition, the machine shall be designed according to the principles of EN ISO 12100:2010 for
relevant but not significant hazards which are not dealt with by this document.
5.2 Loads and calculations
5.2.1 Design loads
5.2.1.1 General
All suspended loads shall be taken into account (i.e. including power cables, cable trolley, ropes and
tension weights) which are subject to the component of part reviewed.
5.2.1.2 Dead weights
The following masses are part of the total dead weight and shall be taken into account in calculations
related to the lifting appliance and the lifting appliance components:
— m is mass of the unloaded carrier;
c
— masses of all additional equipment which moves together with the lifting appliance in the load
combination concerned and partial masses based on travelling height depending on the overload
system design which moves together with the lifting appliance such as:
— m is total mass of the drive wire ropes (only traction hoist drive);
R
— m is total mass of the power and control cables;
pc
— m is total mass of the tension weights (only traction hoist drive);
w
— m is partial mass of drive wire rope (only traction hoist drive) from the carrier to the
Re
suspension beam or maximum distance between landings if the lifting appliance control is
designed to stop the lifting appliance at landings during movement in case of overload;
— m is partial mass of power cables from the carrier to the top landing (trailing cable
pce
configuration) or from the carrier to the cable suspension point (travelling cable configuration).
Alternatively, the maximum distance between landings shall be used if the lifting appliance
control is designed to stop the lifting appliance at landings during movement in case of overload.
Depending on the overload system design (according to 5.8.4) and the different load combinations (see
5.2.2), the dead weights are calculated from following mass combinations:
1) Load combinations: A, B, C1, C3, C4, C5 and C6
The following masses shall be considered for overload system Type 1: m , m , m , m .
c pc Re pce
The following masses shall be considered for overload system Type 2 and Type 3: m , m , m .
c pc pce
2) Load combination: C2
The following masses shall be considered for overload system Type 1: m , m , m m , m , m .
c pc Re, pce R w
The following masses shall be considered for overload system Type 2 and Type 3: m , m , m , m , m .
c pc pce R w
5.2.1.3 Rated loads in the lifting appliance
The rated load m of the lifting appliance and the maximum number of persons (n) permitted in the lifting
H
appliance are to be stated by the lifting appliance manufacturer.
When calculating the lifting appliance and every related part, the following rated loads shall be taken into
account as a minimum:
for one person m = m + m + m (Minimum for 1 person: m = 120 kg) (1)
H p e m H
for two persons m = (2 × m ) + (2 × m ) + m (Minimum for 2 persons: m = 240 kg) (2)
H p e m H
for three or more persons m = (n × m ) + (1,5 × m ) + m (3)
H p e m
where
m is rated load;
H
m is 80 kg (mass of person);
p
m is 40 kg (mass of tools and equipment);
e
is the mass of other possible material in the lifting appliance (can be 0 kg);
m
m
n is number of persons.
The rated load is evenly distributed over the floor area of the carrier. Where the uniform distribution of
the rated load over the full area of the carrier floor is less than 4,0 kN/m then, for calculation purposes
of the floor, a minimum of 4,0 kN/m shall be placed over the whole area of the carrier floor.
5.2.1.4 Effect of friction forces
The friction forces acting on the carrier generated by guiding means and transmission chain shall be taken
into account, see Table 2.
5.2.1.5 Loads exerted by persons
5.2.1.5.1 General
When calculating the lifting appliance and every related part, the following loads, exerted by persons,
shall be taken into account.
Walls shall be capable of withstanding a load of 300 N applied normally at the least favourable point
without permanent deformation. The load shall be applied by pulling or pushing over a flat area of
100 mm × 100 mm. For elastic deformation, see 5.6.3.
Carrier doors and vision panels and their guides shall be capable of withstanding a load of 300 N applied
normally at any position without permanent deformation. The load shall be applied by pulling or pushing
over a flat area of 5 cm .
5.2.1.5.2 Individual loads (not to be combined with other loads)
The carrier floor surface shall be designed to withstand without permanent deformation a local static
load of 1,5 kN applied on the least favourable square area of 0,2 m × 0,2 m.
If the carrier roof is accessible, it shall be designed to withstand
— an evenly distributed load of at least 3,0 kN placed on the least favourable square area of 1,0 m . If
the roof area is smaller than 1,0 m , 3,0 kN shall be applied to the full roof area;
— a local static load of 1,2 kN applied on the least favourable square area of 0,2 m × 0,2 m without
permanent deformation.
The full height landing gates shall be designed to withstand, without permanent deformation and without
elastic deformation greater than 15 mm, a local static load of 300 N at the least favourable point on either
face, using a rigid square or round flat face of 5 cm .
The reduced height landing gates shall be designed to withstand, without permanent deformation, a local
static load of 1 kN vertically applied at the least favourable point along the top of the gate.
The same values for the resistance coefficient for materials as in the load combination A from Table 3
shall be used for the above-mentioned load cases in this clause.
The reduced height landing gates shall be designed to withstand horizontal loads according to
EN ISO 14122-3:2016, 8.1 and 8.2, with a minimum horizontal load of 300 N.
5.2.1.5.3 Loads caused by falling person
When calculating the structure where the anchor device is attached, a load of a falling person of 6 kN shall
be taken into account (for safety factors see Table 2).
When more than 1 anchor device is attached to the carrier, it is assumed that loads can’t occur in more
than one anchor device at the same time, so the structure shall be calculated for each anchor device
separately, not for all the anchor devices at the same time.
5.2.1.6 Wind loads for outside operating lifting appliances
5.2.1.6.1 Formulas for calculation of the wind loads
Wind loads shall be calculated according to EN 13001-2:2021.
F = q × c × A (4)
w ref
a
where
F is the wind load acting perpendicularly to the longitudinal axis of the member under
w
consideration;
q is the wind pressure: q(3) in service, q(z) out of service;
c is the aerodynamic coefficient of the member under consideration.
a
The coefficient c shall be used in combination with the characteristic area A . Values of c shall be those
a ref a
from EN 13001-2:2021, Annex A. For the carrier, it shall be assumed that the carrier walls are solid and
an aerodynamic coefficient c of 1,2 shall be applied. The factor 1,2 covers both the shape factor and the
a
shielding factor.
Wind loads are assumed to act horizontally at the centre of the area of the component parts of the lifting
appliance in any direction. The least favourable direction shall be taken into account.
The wind loads acting on a lifting appliance shall be considered to be acting on the suspension points
and/or on relevant tower interface components.
5.2.1.6.2 Lifting appliances in
...
Frequently Asked Questions
EN 81-44:2024 is a standard published by the European Committee for Standardization (CEN). Its full title is "Safety rules for the construction and installation of lifts - Special lifts for the transport of persons and goods - Part 44: Lifting appliances in wind turbines". This standard covers: 1.1 This document specifies the safety requirements for the construction and installation of power operated lifting appliances installed permanently for indoor or outdoor service in wind turbines and intended for access to workplaces on wind turbines, including rescue and evacuation procedures. A lifting appliance serves defined landing levels and can move persons to working positions where they are carrying out work (which could be from the carrier) and has a carrier which is: a) designed for the transportation of persons and goods; b) guided; c) travelling vertically or along a path within 15° maximum from the vertical; d) supported or sustained by rack and pinion or rope traction drive; e) travelling with a speed not more than 0,7 m/s; f) able to operate in a temperature range between - 25 °C to + 55 °C. 1.2 This document does not cover hazards related to: a) noise; b) the use of the lifting appliance for erection or dismantling of the wind turbine; c) lightning protection; d) use in potentially explosive atmospheres; e) electromagnetic compatibility (emission, immunity); f) transporting of goods outside the carrier; g) the use of combustion engines; h) hydraulic and pneumatic drive units; i) the use of lifting appliances in floating wind turbines; j) use during earthquakes. 1.3 This document is not applicable to lifting appliances manufactured before the date of its publication.
1.1 This document specifies the safety requirements for the construction and installation of power operated lifting appliances installed permanently for indoor or outdoor service in wind turbines and intended for access to workplaces on wind turbines, including rescue and evacuation procedures. A lifting appliance serves defined landing levels and can move persons to working positions where they are carrying out work (which could be from the carrier) and has a carrier which is: a) designed for the transportation of persons and goods; b) guided; c) travelling vertically or along a path within 15° maximum from the vertical; d) supported or sustained by rack and pinion or rope traction drive; e) travelling with a speed not more than 0,7 m/s; f) able to operate in a temperature range between - 25 °C to + 55 °C. 1.2 This document does not cover hazards related to: a) noise; b) the use of the lifting appliance for erection or dismantling of the wind turbine; c) lightning protection; d) use in potentially explosive atmospheres; e) electromagnetic compatibility (emission, immunity); f) transporting of goods outside the carrier; g) the use of combustion engines; h) hydraulic and pneumatic drive units; i) the use of lifting appliances in floating wind turbines; j) use during earthquakes. 1.3 This document is not applicable to lifting appliances manufactured before the date of its publication.
EN 81-44:2024 is classified under the following ICS (International Classification for Standards) categories: 27.180 - Wind turbine energy systems; 91.140.90 - Lifts. Escalators. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 81-44:2024 is associated with the following European legislation: EU Directives/Regulations: 2006/42/EC; Standardization Mandates: M/396. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.
You can purchase EN 81-44:2024 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of CEN standards.
EN 81-44:2024の標準は、風力発電所における人員および物品の輸送のための特別なリフトに関する安全規則を提供しています。この文書は、風力タービン内および屋外で恒久的に設置される電動リフト装置の構造と設置に関する安全要件を明確に定義しており、作業場所へのアクセスや救助・避難手順を含む重要なガイドラインを提供しています。 この標準の重要な特徴は、風力タービン内での安全性を強化するために必要な細部にわたる要求事項が含まれている点です。具体的には、リフト装置は人や物の輸送を目的とし、設計された landing levels へ適切にアクセスできるようにされていることが求められています。また、リフト機器は特定の条件下で運行されるため、最大15°の傾斜で移動し、速度は0.7 m/s以下であることが要求されています。これにより、作業者の安全性が確保され、風力タービンのメンテナンスや運用におけるリスクが軽減されます。 さらに、この文書は厳格な温度範囲（-25 °Cから+55 °C）での操作可能性を考慮しており、様々な気候条件下での信頼性を保証します。しかし、文書の範囲が明確に定義されている点も見逃せません。騒音、風力タービンの組み立てや解体時の使用、雷保護、爆発性雰囲気での使用など、特定の危険については対象外とされています。これにより、リフト装置の設計と運用に関する重点が明確になります。 全体として、EN 81-44:2024は、風力発電産業におけるリフト装置の安全性と効率性を高めるための包括的なガイドラインであり、特に風力タービンのような特殊な環境における必要性に応えています。そのため、この文書はリフト業界や風力エネルギー分野の専門家にとって重要な参考資料となると考えられます。
The EN 81-44:2024 standard presents a comprehensive framework for the safety rules governing the construction and installation of special lifts tailored for the unique environment of wind turbines. Its well-defined scope highlights safety requirements for power-operated lifting appliances designed for both indoor and outdoor service. This focus on wind turbine applications is particularly relevant given the growing reliance on wind energy and the need for specialized equipment to facilitate safe access to these structures. One of the strengths of this standard is its specificity regarding the operational parameters of the lifting appliances. By detailing design criteria such as the maximum travel speed of 0.7 m/s and the operational temperature range of -25 °C to +55 °C, EN 81-44:2024 ensures that the lifting appliances can function effectively in the variable and often harsh conditions found in wind farms. The requirements for the lifting appliances to be guided and supported by either rack and pinion or rope traction drive enhance the overall safety and reliability of access for workers. Another significant advantage of this standard is the inclusion of guidelines for rescue and evacuation procedures, a crucial aspect for ensuring worker safety in emergencies. The emphasis on these procedures acknowledges the complex nature of wind turbine operations and the necessity for quick response mechanisms in case of unforeseen incidents. However, it is also important to note the standard's limitations, as it explicitly states that certain hazards are outside its scope. This includes concerns related to noise, potential explosive atmospheres, and the use of lifting appliances for turbine erection or dismantling. By delineating these exclusions, EN 81-44:2024 provides clarity, allowing manufacturers and operators to understand what is covered and to make informed decisions regarding additional safety measures needed in those scenarios. Overall, EN 81-44:2024 stands as a key reference for ensuring the safe construction and installation of lifting appliances in the wind turbine sector, demonstrating its significant relevance in the evolving landscape of renewable energy infrastructure. The clear articulation of safety requirements coupled with practical operational guidelines positions this standard as an essential resource for industry stakeholders.
SIST EN 81-44:2025 표준은 풍력 터빈 내에서의 사람 및 화물 운송을 위한 특수 리프트의 건설 및 설치에 대한 안전 규정을 다루고 있습니다. 이 표준은 전기 동작 리프트 장치의 설계 및 설치에 필요한 안전 요구 사항을 명확하게 규정하고 있으며, 특히 풍력 터빈과 관련하여 작업장 접근을 위한 리프트의 안전성을 강조하고 있습니다. 표준의 주요 강점 중 하나는 풍력 발전소의 다양한 환경적 요인에 적합한 리프트 시스템의 안전성을 보장한다는 점입니다. 이러한 리프트 장치는 최대 15도 기울기로 수직 또는 경로를 따라 이동할 수 있으며, 온도 범위 -25도에서 +55도까지에서 작동 가능하므로 극한의 날씨 조건에서도 신뢰성을 제공합니다. 또한, 지지 시스템으로 랙 및 핀 현수 또는 로프 트랙션 드라이브 방식이 채택되어 사고를 예방하고, 사용자의 안전을 지키는 데 중점을 두고 있습니다. 특히, 이 표준은 비상 대피 절차를 포함하여 사람과 화물의 안전한 운송을 위한 포괄적인 안전 요구 사항을 제공하는 것으로, 업계에서 요구하는 안전 기준을 충족시키는 데 중요한 역할을 합니다. 설치된 리프트가 정해진 착지 수준에서 수직적으로 이동할 수 있도록 설계되어 있어, 운송 중에도 안전성을 유지할 수 있습니다. 그러나 이 문서는 소음, 화재 및 폭발 위험, 전자기 호환성 등과 같은 특정 위험 요소는 반영하지 않으며, 선행적인 리프트 장치의 사용이나 지진 발생 중의 사용과 같은 상황은 다루지 않습니다. 따라서 이 표준은 풍력 터빈 내 리프트 시스템의 특정 안전 요구 사항에 초점을 맞추고 있으며, 이를 통해 해당 분야에서의 정확하고 신뢰할 수 있는 운송 수단을 보장하는 데 기여하고 있습니다. 결론적으로, SIST EN 81-44:2025 표준은 풍력 터빈 내에서의 리프트 안전성을 보장하는 데 필수적이며, 지속적으로 발전하는 재생 에너지 분야에서 중요한 기준으로 자리매김할 것입니다. 해당 표준은 풍력 터빈의 안전한 작업 환경 조성을 위한 중요한 기초를 제공하며, 향후 리프트 시스템의 개선 및 표준화에 기여할 것으로 기대됩니다.
La norme SIST EN 81-44:2025 porte sur la sécurité des dispositifs de levage spécifiquement conçus pour les éoliennes, établissant des règles précises pour leur construction et leur installation. Son champ d'application est clairement défini, englobant les appareils de levage destinés à l'accès aux lieux de travail dans les éoliennes, tant pour le transport de personnes que de marchandises. Cela inclut également des procédures essentielles de secours et d'évacuation, ce qui souligne l'importance de la sécurité dans un environnement potentiellement dangereux. Parmi les forces majeures de cette norme, on note sa rigueur dans l'établissement des exigences de sécurité. Les critères détaillés tels que la capacité des appareils à fonctionner dans une plage de température allant de -25 °C à +55 °C, ainsi que la limitation de la vitesse à 0,7 m/s, assurent une utilisation sécurisée dans des conditions variées. De plus, la norme stipule que les appareils doivent être guidés et soutenus de manière appropriée, renforçant ainsi la sécurité des utilisateurs. La pertinence de la norme EN 81-44:2024 se manifeste également dans son exclusion des risques spécifiques tels que le bruit, la protection contre la foudre, et l'utilisation dans des atmosphères potentiellement explosives. Ces exclusions témoignent d'une approche ciblée, permettant aux fournisseurs de concentrer leurs efforts sur les aspects les plus critiques liés à la sécurité des opérations de levage dans les éoliennes. En conclusion, la norme SIST EN 81-44:2025 est un document fondamental qui édifie des standards de sécurité adaptés à un secteur en pleine expansion. En se concentrant sur les exigences de construction et d'installation des dispositifs de levage, elle assure une protection adéquate des travailleurs tout en répondant aux défis spécifiques rencontrés dans l'environnement des éoliennes.
Die Norm EN 81-44:2024 legt klare Sicherheitsanforderungen für die Konstruktion und Installation von elektrisch betriebenen Hebezeugen fest, die in Windkraftanlagen dauerhaft installiert sind. Ihre Relevanz ist offensichtlich, da sie nicht nur den Zugang zu Arbeitsplätzen in WEA (Windenergieanlagen) erleichtert, sondern auch die Sicherheit von Personen und Gütern während des Betriebs gewährleistet. Die Stärken dieser Norm liegen in ihrer umfassenden Definition der Sicherheitsanforderungen, die speziell für das Arbeiten in der rauen Umgebung von Windturbinen geeignet sind. Sie berücksichtigt eine Vielzahl von Aspekten, einschließlich der konstruktiven Vorgaben für die Hebezeuge, wie die Unterstützung durch Zahnrad- und Seilantriebe, und definiert klare Geschwindigkeitsgrenzen von maximal 0,7 m/s. Außerdem wird ein breiter Temperaturbereich von -25 °C bis +55 °C abgedeckt, was die notwendige Flexibilität für den Einsatz in unterschiedlichen klimatischen Bedingungen unterstreicht. Darüber hinaus behandelt die Norm auch wichtige Aspekte der Rettungs- und Evakuierungsverfahren, was besonders für den Bediener und Arbeiter in den Windkraftanlagen von Bedeutung ist. Dies zeigt, dass die Norm nicht nur technologische Merkmale der Hebezeuge berücksichtigt, sondern auch sicherheitsrelevante Routinen zur Gewährleistung des Schutzes der Arbeitskräfte festlegt. Ein weiterer positiver Aspekt der EN 81-44:2024 ist, dass sie spezifische Gefahren, die nicht abgedeckt sind, klar definiert, zum Beispiel Lärm, den Einsatz von Hebezeugen zum Errichten oder Abriss von Windkraftanlagen sowie die Verwendung in explosionsgefährdeten Atmosphären. Diese Klarheit fördert ein besseres Verständnis der Anwendungsgrenzen der Norm und hilft Fachleuten, geeignete Sicherheitsmaßnahmen zu ergreifen. Insgesamt ist die Norm EN 81-44:2024 ein wesentlicher Bestandteil der Sicherheitsvorschriften für den Betrieb von Hebezeugen in Windkraftanlagen und stellt sicher, dass die spezifischen Herausforderungen der Branche angemessen adressiert werden. Die gezielte Fokussierung auf die Sicherheit und die Verständlichkeit der Anforderungen hebt diese Norm als ein wichtiges Dokument in der Entwicklung von Hebezeugetechnologie hervor.
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