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Protection against unintended car movement EN 81-1/2 A3

Protection against unintended car movement EN 81-1/2 A3. Wolfgang ADLDINGER Chairman – Components Committee of European Lift Association ( ELA ). P+Q. Unintended car movement. Safety of lifts: S afety protection downwards (about 150 years)

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Protection against unintended car movement EN 81-1/2 A3

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  1. Protection against unintended car movement EN 81-1/2 A3 Wolfgang ADLDINGER Chairman – ComponentsCommittee of European Lift Association ( ELA ) Asansor Istanbul 14-17 April 2011

  2. P+Q Unintendedcar movement • Safety of lifts: Safety protection downwards (about 150 years) • 1997/1999 Lift DirectiveSafety protection up/down  Counterweight heavier than the less loaded car down CW=P+Q/2 Asansor Istanbul 14-17 April 2011 down up

  3. Unintendedcar movement • New Amendment A3 • Protection against unintended car movement  With open doors Away from landing in up and down direction New requirements: Improvement of safety for lifts electric lifts – hydraulic lifts new - existing Asansor Istanbul 14-17 April 2011 down up

  4. Unintendedcar movement • Accidents for persons entering or leaving the car Main reason: * failure of braking system * breakage of traction sheave shaft * electrical circuit failure…. Asansor Istanbul 14-17 April 2011

  5. Unintendedcar movement • Existing lifts worldwide – 10 Mio • Existing lifts EU – 5 Mio • Existinglifts TR ca. 280 000 • New lifts worldwide – 500 000 • New lifts EU – 125 000 • New lifts TR ca. 18 000 Asansor Istanbul 14-17 April 2011

  6. Unintendedcar movement • Rated speed • Fixing systems of guards • Stopping and levelling accuracy • Unintended 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 > 0,15 m/s Need to remove ≤ 24 month ± 10 mm ± 20 mm +F8 Asansor Istanbul 14-17 April 2011

  7. Unintendedcar movement • 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 Asansor Istanbul 14-17 April 2011

  8. Unintendedcar movement down up min1000mm min1000mm max 1200mm max 1200mm 200mmmax Asansor Istanbul 14-17 April 2011

  9. Unintendedcar movement • 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 Revision in process ( Annex I ) ESRAnnex I Annex I1.3.9 - 1.4.2.1 6.4.1 A3 No. 52-54, 5.9.4 5.3.3 stopping, levelling accuracy Item 3.36 Section 2.19.2 Asansor Istanbul 14-17 April 2011

  10. Unintendedcar movement • Publication 29th of Dec. 2009 • Transition Period 18 month • Obligatory July 2011  ELA asking for an extension of transitory period • UCM required additional explanation for design and approval • Component / lift manufacturers are in the process for certification • Creation some difficulties for manufacturer, installers, stakeholders • Needs failure analysis, definition of methodology for site test, etc. Asansor Istanbul 14-17 April 2011

  11. Unintendedcar movement • Publishing in the Official Journal of the European Union from 11.03.2011 >> 2011/C 77/07<< Extension of the transmission period up to end of 2011 Obligatory 1st January 2012 Asansor Istanbul 14-17 April 2011

  12. Unintendedcar movement • Board ofDirectorsandtheAssociationAdvisary Group • Directionforsafetystrategy • Committee Codes and Standards • Intensiv workat UCM requirements • ELA Guideline Asansor Istanbul 14-17 April 2011

  13. Unintendedcar movement • Components Committee • Select electricalteam • Select hydraulicteam • Norm analyzing • Intensive workat UCM • Special requestitems Asansor Istanbul 14-17 April 2011

  14. Unintendedcar movement • 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-V05 • Document for proceeding of type examination and production control from Notified Bodies • ELA guideline on the implementation of A3 EN 81-1/2 • Description what needs to be considered for the implementation of the amendment A3 Asansor Istanbul 14-17 April 2011

  15. Unintendedcar movement • Main content: • Proposed procedures of type examination, productioncontrol, 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 Asansor Istanbul 14-17 April 2011

  16. retardation allowed movement reaction time reaction time v braking acceleration t Unintendedcar movement • The 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 possible at the complete lift Asansor Istanbul 14-17 April 2011

  17. Unintendedcar movement drive brake CONTROLLER safety gear INTERFACE Traction lifts Door position monitoring car blocking elem. INTERFACE rope brake Self monitoring guide rail brake *overspeed governor Hydraulic lifts Car position monitoring electr. rupture valve brake/stop valve piston brake * add. electr. function needed Asansor Istanbul 14-17 April 2011

  18. Unintendedcar movement • Improvement of safety lifts: Requirements: Safety + + Accesability Energy saving Asansor Istanbul 14-17 April 2011

  19. Protection against unintended car movement EN 81-1/2 A3 THANK YOU FOR YOUR ATTENTION ! Asansor Istanbul 14-17 April 2011

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