Aircraft ground support equipment - Specific requirements - Part 1: Passenger stairs

This Part of EN 12312 deals with the technical requirements to minimise the hazards listed in clause 4 which can arise during the commissioning, the operation and the maintenance of passenger stairs when carried out in accordance with the specifications given by the manufacturer or his authorised representative. It also takes into account some requirements recognized as essential by the health and safety authorities, aircraft and vehicle manufacturers as well as airlines and handling agencies.
This standard applies to:
- self-propelled stairs with seated driver (see annex A);
- pedestrian controlled stairs;
- towable stairs equipped with powered means, e.g. for height adjustment, stabilizers (see annex A);
- automatic levelling systems of stairs;
for embarking/disembarking of passengers.
NOTE 1   Powered should be also understood as manual effort stored in springs or hydraulic accumulators, etc., the dangerous action of which can be produced or can continue after the manual effort has ceased or directly applied manual effort for lifting or lowering loads.
NOTE 2   Those clauses of this standard that can apply may also be used as a guideline for the design of towable stairs without powered means.
This standard does not apply to pneumatic systems.
This standard does not establish requirements for hazards caused by noise and vibration.
This Part of EN 12312 is not applicable to passenger stairs which are manufactured before the date of publication by CEN of this standard.

Luftfahrt-Bodengeräte - Besondere Anforderungen - Teil 1: Fluggasttreppen

Anwendungsbereich
Dieser Teil von EN 12312 behandelt die technischen Anforderungen für Fluggasttreppen zur Minimierung der in Abschnitt 4 aufgelisteten Gefährdungen, die bei Inbetriebnahme, Betrieb und Wartung auftreten können, wenn diese in Übereinstimmung mit den Anweisungen des Herstellers oder seines Beauftragten ausgeführt werden. Er berücksichtigt auch einige Anforderungen, die von den Organen der Arbeitssicherheit und des Gesundheitsschutzes, Luftfahrzeug- und Bodengeräteherstellern sowie Luftverkehrs- und Abfertigungsgesell-schaften als wesentlich erachtet wurden.
Diese Norm gilt für:
3 selbstfahrende Treppen mit Fahrerplatz (siehe Anhang A);
3 mitgängergeführte Treppen;
3 schleppbare Treppen mit kraftbetriebenen Einrichtungen, z. B. zur Höhenanpassung, Abstützungen (siehe Anhang A);
3 automatische Nachführeinrichtungen für Treppen;
die für das Ein- und Aussteigen von Fluggästen bestimmt sind.
ANMERKUNG 1   Kraftbetrieben sollte auch verstanden werden als in Federn gespeicherte menschliche Arbeitskraft oder
hydraulische Akkumulatoren o. ä., nutzen und deren gefährliche Wirkung nicht zwangsläufig mit Einstellung der menschlichen Tätigkeit beendet ist oder unmittelbar angewandte menschliche Arbeitskraft zum Heben oder Senken von Lasten.
ANMERKUNG 2   Zutreffende Abschnitte dieser Norm können auch als Grundlage für die Gestaltung von schleppbaren
Treppen ohne kraftbetätigte Einrichtungen dienen.
Diese Norm gilt nicht für pneumatische Systeme.
Diese Norm enthält keine Festlegungen für Gefährdungen, die durch Lärm und Vibration verursacht werden.
Dieser Teil von EN 12312 gilt nicht für Fluggasttreppen, die vor der Veröffentlichung dieser Norm durch CEN hergestellt wurden.

Matériels au sol pour aéronefs - Exigences particulieres - Partie 1: Escaliers passagers

La présente partie de l'EN 12312 spécifie les exigences techniques pour réduire les phénomenes dangereux énumérés a l'article 4 qui peuvent survenir lors des opérations de mise en ?uvre, d'exploitation et de maintenance des escaliers passagers lorsqu'elles sont réalisées conformément aux spécifications données par le fabricant ou son représentant légal. Elle tient également compte de certaines exigences reconnues comme essentielles par les autorités sanitaires et d'hygiene, les constructeurs d'aéronefs et de matériels ainsi que les compagnies aériennes et les agents de manutention.
La présente norme s'applique :
3 aux escaliers passagers autotractés a conducteur assis (voir l'annexe A) ;
3 aux escaliers passagers a conducteur accompagnant ;
3 aux escaliers passagers tractés avec équipements motorisés tels que par exemple réglage de la hauteur, stabilisateurs (voir l'annexe A) ;
3 aux systemes de mise a niveau automatique des escaliers ;
pour l'embarquement/le débarquement des passagers.
NOTE 1   En regle générale, le terme "motorisé" s'applique également d'une part a la force manuelle emmagasinée dans les suspensions ou accumulateurs hydrauliques, etc. susceptible de provoquer un risque ou de le faire durer meme apres l'arret de l'application de la force manuelle ou d'autre part a la force manuelle directement appliquée lors des opérations de levage ou de descente de charges.
NOTE 2   Les articles de la présente norme applicables peuvent également etre utilisés comme lignes directrices pour la conception d'escaliers passagers tractés sans équipements motorisés.
La présente norme ne s'applique pas aux systemes pneumatiques.
La présente norme ne fixe pas d'exigences en ce qui concerne les phénomenes dangereux dus au bruit et aux vibrations.
La présente partie de l'EN 12312 ne s'applique pas aux escaliers passagers fabriqués avant la date de publication de la présente norme par le CEN.

Aircraft ground support equipment - Specific requirements - Part 1: Passenger stairs

General Information

Status
Withdrawn
Publication Date
31-Dec-2001
Withdrawal Date
05-May-2009
Technical Committee
Current Stage
9900 - Withdrawal (Adopted Project)
Start Date
06-May-2009
Due Date
29-May-2009
Completion Date
06-May-2009

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SLOVENSKI STANDARD
SIST EN 12312-1:2002
01-januar-2002
Aircraft ground support equipment - Specific requirements - Part 1: Passenger
stairs
Aircraft ground support equipment - Specific requirements - Part 1: Passenger stairs
Luftfahrt-Bodengeräte - Besondere Anforderungen - Teil 1: Fluggasttreppen
Matériels au sol pour aéronefs - Exigences particulieres - Partie 1: Escaliers passagers
Ta slovenski standard je istoveten z: EN 12312-1:2001
ICS:
49.100 Oprema za servis in Ground service and
vzdrževanje na tleh maintenance equipment
SIST EN 12312-1:2002 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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EUROPEAN STANDARD
EN 12312-1
NORME EUROPÉENNE
EUROPÄISCHE NORM
July 2001
ICS 49.100
English version
Aircraft ground support equipment - Specific requirements - Part
1: Passenger stairs
Matériels au sol pour aéronefs - Exigences particulières - Luftfahrt-Bodengeräte - Besondere Anforderungen - Teil 1:
Partie 1: Escaliers passagers Fluggasttreppen
This European Standard was approved by CEN on 11 May 2001.
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 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 Management Centre has the same status as the official
versions.
CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,
Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36  B-1050 Brussels
© 2001 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 12312-1:2001 E
worldwide for CEN national Members.

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EN 12312-1:2001 (E)
Contents
page
Foreword.3
Introduction .4
1 Scope .4
2 Normative references .4
3 Terms and definitions.5
4 List of hazards.6
5 Safety requirements and/or measures .6
5.1 General requirements.6
5.2 Stair flight .7
5.3 Platforms.7
5.4 Guard rails .8
5.5 Raising devices and stability.8
5.6 Controls, monitoring devices and displays for self-propelled passenger stairs.9
5.7 Auxiliary means for powered passenger stairs.9
5.8 Canopy.9
5.9 Automatic levelling system.10
6 Information for use .10
6.1 Marking .10
6.2 Warnings.10
6.3 Instructions.10
7 Verification of requirements .11
Annex A (informative) Examples of passenger stairs .12
Annex B (normative) List of hazards.13
Annex ZA (informative) Relationship of this document with EC Directives.16
Bibliography .17
2

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EN 12312-1:2001 (E)
Foreword
This European Standard has been prepared by Technical Committee CEN/TC 274 "Aircraft ground support
equipment", the secretariat of which is held by DIN.
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 2002, and conflicting national standards shall be withdrawn at the latest
by January 2002.
This European Standard has been prepared under a mandate given to CEN by the European Commission and the
European Free Trade Association, and supports essential requirements of EU Directive(s).
For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this standard.
The Parts of EN 12312 Aircraft ground support equipment — Specific requirements are:
Part 1: Passenger stairs
Part 2: Catering vehicles
Part 3: Conveyor belt vehicles
Part 4: Passenger boarding bridges
Part 5: Aircraft fuelling equipment
Part 6: Deicers and deicing equipment
Part 7: Aircraft movement equipment
Part 8: Maintenance stairs and platforms
Part 9: Container/Pallet loaders
Part 10: Container/Pallet transfer transporters
Part 11: Container/Pallet dollies and loose load trailers
Part 12: Potable water service equipment
Part 13: Lavatory service equipment
Part 14: Disabled/Incapacitated passenger boarding equipment
Part 15: Baggage and equipment tractors
Part 16: Air start equipment
Part 17: Air conditioning equipment
Part 18: Oxygen/Nitrogen units
Part 19: Aircraft jacks, axle jacks and hydraulic tail stanchions
Part 20: Ground power equipment
This is the first edition of this Part of EN 12312.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland,
France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden,
Switzerland and the United Kingdom.
3

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EN 12312-1:2001 (E)
Introduction
This European Standard defines health and safety requirements, as well as some functional and performance
requirements, for stairs including a built-in source of power (see Clause 1, Scope) intended for passengers
embarking/disembarking aircraft.
The minimum essential criteria are considered to be of primary importance in providing safe, serviceable, economical,
and practical passenger stairs. Deviations from the recommended criteria should occur only after careful
consideration, extensive testing, risk assessment and service evaluation have shown alternative methods or
conditions to be satisfactory.
This European standard is a Type C standard as defined in EN 1070:1998.
1 Scope
This Part of EN 12312 deals with the technical requirements to minimise the hazards listed in clause 4 which can
arise during the commissioning, the operation and the maintenance of passenger stairs when carried out in
accordance with the specifications given by the manufacturer or his authorised representative. It also takes into
account some requirements recognized as essential by the health and safety authorities, aircraft and vehicle
manufacturers as well as airlines and handling agencies.
This standard applies to:
 self-propelled stairs with seated driver (see annex A);
 pedestrian controlled stairs;
 towable stairs equipped with powered means, e.g. for height adjustment, stabilizers (see annex A);
 automatic levelling systems of stairs;
for embarking/disembarking of passengers.
NOTE 1 Powered should be also understood as manual effort stored in springs or hydraulic accumulators, etc., the
dangerous action of which can be produced or can continue after the manual effort has ceased or directly applied manual effort
for lifting or lowering loads.
NOTE 2 Those clauses of this standard that can apply may also be used as a guideline for the design of towable stairs
without powered means.
This standard does not apply to pneumatic systems.
This standard does not establish requirements for hazards caused by noise and vibration.
This Part of EN 12312 is not applicable to passenger stairs which are manufactured before the date of publication
by CEN of this standard.
2 Normative references
This European Standard incorporates by dated or undated reference, provisions from other publications. These
normative references are cited at the appropriate places in the text and the publications are listed hereafter. For
dated references, subsequent amendments to or revisions of any of these publications apply to this European
Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the
publication referred to applies (including amendments).
EN 292-2:1991/A1:1995, Safety of machinery — Basic concepts, general principles for design — Part 2: Technical
principles and specifications.
EN 418:1992, Safety of machinery — Emergency stop equipment, functional aspects — Principles for design.
4

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EN 12312-1:2001 (E)
EN 1050:1996, Safety of machinery — Principles for risk assessment.
EN 1070:1998, Safety of machinery — Terminology.
EN 1175-1:1998, Safety of machinery — Industrial trucks — Part 1: Electrical requirements for battery powered
trucks.
EN 1386:1996, Aluminium and aluminium alloys — Tread plate – Specifications.
EN 1837:1999, Safety of machinery—- Integral lighting of machines.
EN 1915-1:2001, Aircraft ground support equipment — General requirements — Part 1: Basic safety
requirements.
EN 1915-2:2001, Aircraft ground support equipment — General requirements — Part 2: Stability and strength
requirements, calculations and test methods.
)
1
ISO 7718:1984 , Aircraft – Connection of passenger loading bridge or transfer vehicle – Interface requirements in
the vicinity of main deck passenger doors.
)
2
ISO/DIS 16004:2000 , Ground equipment — Passenger boarding bridge or transfer vehicle — Interface
requirements with aircraft doors.
3 Terms and definitions
For the purposes of this European Standard, the terms and definitions given in EN 1915-1 and EN 1070 : 1998
apply together with the following:
3.1
passenger stair
stair designed for the embarking and disembarking of passengers between the aircraft and the ground
3.2
stair flight
series of steps between ground level and platform or between two platforms
3.3
riser height (R)
distance between the surface of the tread of one step and the surface of a step above or below when measured
perpendicularly between the tread surfaces
3.4
tread depth (T)
distance from one step nosing to the adjacent step nosing when measured parallel to the tread surface
3.5
step width
maximum usable width measured along the nose of the step
3.6
handrail height
distance to the top surface of the handrail as measured at the nose of the step or platform and perpendicular to the
tread surface
3.7
upper (main) platform
platform at the upper end of a stair flight with access to the aircraft

1) Revision in preparation at the time of publication of this standard.
2) First edition in preparation at time of publication of this standard.
5

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EN 12312-1:2001 (E)
3.8
intermediate platform
platform between two stair flights
3.9
incline
angle of stair flight to a horizontal plane, measured across the noses of the steps
3.10
inclination
angle of the platforms and steps surfaces to a horizontal plane, measured at a right angle to the noses of the steps
3.11
bottom hinged step
foldable step at the bottom end of the stair to provide sufficient ground clearance during movement
3.12
leading edge
front end of the upper (main) platform at the aircraft door interface
3.13
auxiliary system
independent system for the operation of the passenger stair in case of power loss
4 List of hazards
The list of risks and hazards (see annex B) is based on EN 1050 : 1996 and contains the hazards and hazardous
situations, as far as they are dealt with in this European Standard, identified by risk assessment as significant for
passenger stairs and which require action to eliminate or reduce risks. Not covered are risks and hazards due to a
standard automotive chassis, the traffic, maintenance and repair and general misuse.
5 Safety requirements and/or measures
5.1 General requirements
5.1.1 Passenger stairs shall conform to the relevant requirements of EN 1915-1, unless otherwise specified in this
standard. They shall also conform to the specific requirements of this standard.
5.1.2 Strength calculations shall be carried out in accordance with EN 1915-2.
5.1.3 For stairs to be moved on public roadways, the dimensions, laden mass and other characteristics shall
meet all applicable government regulations when in fully retracted position.
NOTE Applicable government regulations depend on the airport of use.
5.1.4 Passenger stairs shall have an upper (main) platform and, where the number of risers exceeds 18, an
intermediate platform.
5.1.5 Step and platform inclination in all intended operating positions shall not exceed ± 3° (5 %) when the
passenger stair rests on a horizontal plane.
5.1.6 The step and platform cover material shall provide the possibility of easy elimination of water and snow, e.g.
by using treadplate conforming to EN 1386:1996.
5.1.7 With the passenger stair fully stowed for movement, the lowest point of any part of the passenger stair shall
not be less than 150 mm above a horizontal ground. In addition, the clearance shall allow without interference the
transversing of two surfaces intersecting at an angle of 3° (5 %) either in bridging or in cresting.
6

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EN 12312-1:2001 (E)
5.1.8 Operator's cabin or driver's accommodation shall not project forward of the leading edge of the upper (main)
platform when in its fully retracted position. The passenger stair shall be constructed so that the driver at the
operating position is able to see the leading edge throughout its operating range.
5.1.9 Passenger stairs shall be fitted with barrier devices to prevent access to the stair flight as follows:
 passenger stairs with a maximum height of the upper (main) platform up to 2 m require one barrier at the
bottom end of the passenger stairs;
 passenger stairs with a maximum height of the upper (main) platform in excess of 2 m in its fully retracted
position require two barriers, one at bottom end of the passenger stair, one at the upper (main) platform.
NOTE In the context of this clause, barrier devices can be taken to mean solid rails or more flexible means such as inertial
reel straps. A simple microswitch or similar system may be used to immobilize the stair.
The barrier at the upper (main) platform shall be installed at a height of 1 m.
5.1.10 Stair flights and platforms shall have illumination of a non-glare quality for floor and step treads. A
minimum illumination of 50 Lux shall be provided, as measured at the centre line of the stair flight and platforms,
parallel to and on the tread surface.
5.1.11 The electrical system of battery powered passenger stair
...

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