11/04/15 Asansor Istanbul 14-17 April 2011 1

Protection against Protection against unintended car movementunintended car movement

EN 81-1/2 A3EN 81-1/2 A3

Wolfgang ADLDINGERChairman – ComponentsCommittee ofEuropean Lift Association ( ELA )

11/04/15 Asansor Istanbul 14-17 April 2011 2

Safety of lifts:Safety of lifts:

Safety protection downwards (about 150 years)

• 1997/1999 Lift DirectiveSafety protection up/down

Counterweight heavier than the less loaded car

UnintendedUnintended car movementcar movement

P+Q

CW=P+Q/2

do

wn

d

ow

n

do

wn

u

p

do

wn

u

p

11/04/15 Asansor Istanbul 14-17 April 2011 3

New Amendment A3New Amendment A3

• Protection against unintended car movement

With open doors Away from landing in up and down direction

New requirements: Improvement of safety for liftsNew requirements: Improvement of safety for lifts

electric lifts – hydraulic lifts

new - existing

UnintendedUnintended car movementcar movement

do

wn

u

pd

ow

n

up

11/04/15 Asansor Istanbul 14-17 April 2011 4

• Accidents for persons entering or leaving the car

Main reason: * failure of braking system

* breakage of traction sheave shaft

* electrical circuit failure….

UnintendedUnintended car movementcar movement

11/04/15 Asansor Istanbul 14-17 April 2011 5

Existing lifts worldwide – 10 MioExisting lifts worldwide – 10 Mio

• Existing lifts EU – 5 Mio

• Existing lifts TR ca. 280 000

New lifts worldwide – 500 000New lifts worldwide – 500 000

• New lifts EU – 125 000

• New lifts TR ca. 18 000

UnintendedUnintended car movementcar movement

11/04/15 Asansor Istanbul 14-17 April 2011 6

Rated speedRated speed Fixing systems of guards Fixing systems of guards Stopping and levelling accuracy Stopping and levelling accuracy Unintended car movement with open doorsUnintended car movement with open doors

• UCM modification of EN 81-1: 1998 + A3:2009 clause 9.11

• UCM modification of EN 81-2 1998 + A3:2009 clause 9.13

UnintendedUnintended car movementcar movement

> 0,15 m/s

± 10 mm ± 20 mm

Need to remove ≤ 24 month

+F8

11/04/15 Asansor Istanbul 14-17 April 2011 7

Detection of unintended car movement,

Stop the car and

Keep it stopped

• It shall act on the car, counterweight, rope system or traction sheave.

• Independent safety device or a device which is used in normal operation redundant and self-monitored.

• Self-monitoring is subject to type examination.

• The correct function must be verified in a type examination test

UnintendedUnintended car movementcar movement

11/04/15 Asansor Istanbul 14-17 April 2011 8

UnintendedUnintended car movementcar movement

do

wn

d

ow

n

up

u

p

min1000mm

max 1200mm

min1000mm

max 1200mm

200mmmax

11/04/15 Asansor Istanbul 14-17 April 2011 9

• Lift Directive 95/16/EC

• Mach. Directive 2006/42/EC

• EN 81-1/2:1998+A3

• EN 81-80

• EN 81-70

• EN 81-20/50 in process

• ISO/TS 22559-1:2004

• ASME A 17.1 (American norm) + CSA B44-00

UnintendedUnintended car movementcar movement

( Annex I )

A3

Annex I1.3.9 - 1.4.2.16.4.1

No. 52-54, 5.9.4

5.3.3 stopping, levelling accuracy

Item 3.36

Section 2.19.2

ESR Annex I

Revision in process

11/04/15 Asansor Istanbul 14-17 April 2011 10

Publication 29th of Dec. 2009Publication 29th of Dec. 2009

Transition Period 18 monthTransition Period 18 month

Obligatory July 2011Obligatory July 2011

ELA asking for an extension of transitory periodELA asking for an extension of transitory period UCM required additional explanation for design and approvalUCM required additional explanation for design and approval Component / lift manufacturers are in the process for certificationComponent / lift manufacturers are in the process for certification Creation some difficulties for manufacturer, installers, stakeholdersCreation some difficulties for manufacturer, installers, stakeholders Needs failure analysis, definition of methodology for site test, etc.Needs failure analysis, definition of methodology for site test, etc.

UnintendedUnintended car movementcar movement

11/04/15 Asansor Istanbul 14-17 April 2011 11

Publishing in the Official Journal of the European Publishing in the Official Journal of the European Union from 11.03.2011 >> 2011/C 77/07<<Union from 11.03.2011 >> 2011/C 77/07<<

Extension of the transmission period up to end of 2011

Obligatory 1st January 2012 Obligatory 1st January 2012

UnintendedUnintended car movementcar movement

11/04/15 Asansor Istanbul 14-17 April 2011 12

Board of Directors and the Association Advisary GroupBoard of Directors and the Association Advisary Group

• Direction for safety strategy

CommitteeCommittee

Codes and StandardsCodes and Standards• Intensiv work at UCM requirements

• ELA Guideline

UnintendedUnintended car movementcar movement

11/04/15 Asansor Istanbul 14-17 April 2011 13

Components CommitteeComponents Committee• Select electrical teamSelect electrical team• Select hydraulic teamSelect hydraulic team

Norm analyzingNorm analyzing Intensive work at UCM Intensive work at UCM Special request itemsSpecial request items

UnintendedUnintended car movementcar movement

11/04/15 Asansor Istanbul 14-17 April 2011 14

Interpretation CEN/TC10 N0859 [N1017]Interpretation CEN/TC10 N0859 [N1017]• CEN paper for better understanding of the questions raised

on amendment A3 of EN 81-1 and EN 81-2.

NB-L-POS-1-007-V05NB-L-POS-1-007-V05• Document for proceeding of type examination and production

control from Notified Bodies

ELA guideline on the implementation of A3 EN 81-1/2ELA guideline on the implementation of A3 EN 81-1/2• Description what needs to be considered for the

implementation of the amendment A3

UnintendedUnintended car movementcar movement

11/04/15 Asansor Istanbul 14-17 April 2011 15

Main content:Main content:• Proposed procedures of type examination, production control, risk

assessment description• Procedure for installation and final inspection• Procedures for lifts, sub systems and components• Interfaces definition for components and partial systems

Sensor Systems // Actor Systems

• The conformity assessment procedure with random check shall be equal as for safety components acc. Lift Directive

•

UnintendedUnintended car movementcar movement

11/04/15 Asansor Istanbul 14-17 April 2011 16

The means for UCMThe means for UCM::

• Taking into account the System reactions Acceleration Allowed movement Reaction time of detection device Reaction time of acting device Reaction time of breaking device Retardation

Test of interaction only Test of interaction only

possible at the complete liftpossible at the complete lift

UnintendedUnintended car movementcar movement

t

v

acceleration

retardation

allo

wed

movem

en

t

react

ion

tim

e

react

ion

tim

e

bra

kin

g

11/04/15 Asansor Istanbul 14-17 April 2011 17

UnintendedUnintended car movementcar movement

safety gearsafety gear

drive brakedrive brake

*overspeed governor*overspeed governor

car blocking elem.car blocking elem.

rope brakerope brake

guide rail brakeguide rail brake

Door position Door position monitoringmonitoring

Self monitoringSelf monitoring

Car position Car position monitoringmonitoringelectr. rupture valveelectr. rupture valve

HydraulicHydraulic liftslifts

TractionTraction liftslifts

brake/stop valvebrake/stop valve

piston brakepiston brake * add. electr. function needed

Improvement of safety lifts:Improvement of safety lifts:

Requirements:

11/04/15 Asansor Istanbul 14-17 April 2011 18

UnintendedUnintended car movementcar movement

++

Accesability Energy saving

Safety

11/04/15 Asansor Istanbul 14-17 April 2011 19

Protection against Protection against unintended car movementunintended car movement

EN 81-1/2 A3 EN 81-1/2 A3

THANK YOU FOR YOUR ATTENTION !