Standard

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AS 1735.15:2021

[Current]

Lifts, escalators and moving walks, Part 15: Safety rules for the construction and installation of lifts — Special lifts for the transport of persons and goods — Vertical lifting platforms intended for use by persons with impaired mobility (EN 81-41:2010, MOD)

Adopts and modifies EN 81-41:2010 for Australia, specifying safety requirements for construction, manufacturing, installation, maintenance and dismantling of electrically powered vertical lifting platforms affixed to a building structure intended for use by persons with impaired mobility.

Published: 23/07/2021

Pages: 89

Table of contents

Cited references

Content history

Table of contents

Header

About this publication

Preface

Foreword

Introduction

1 Scope

1.1

1.2

1.3

1.4

2 Normative references

3 Terms and definitions

4 List of significant hazards

5 Safety requirements and/or protective measures

5.1 General requirements for lifting platforms

5.1.1 General

5.1.2 Pattern of use

5.1.3 Guarding

5.1.4 Access for maintenance, repair and inspection

5.1.4.1 Working areas on the platform

5.1.4.1.1 General

5.1.4.1.2

5.1.4.1.3

5.1.4.2 Working areas under the platform

5.1.4.2.1

5.1.4.2.2

5.1.4.2.3

5.1.4.3 Working areas outside of the enclosed liftway

5.1.4.4 Machinery outside of the enclosed liftway

5.1.4.4.1

5.1.4.4.2

5.1.5 Rated speed

5.1.6 Rated load

5.1.7 Load control

5.1.8 Platform dimensions

5.1.8.1

5.1.8.2

5.1.8.3

5.1.9 Mechanical strength of the platform

5.1.10 Resistance to operating forces

5.1.10.1

5.1.10.2

5.1.10.3

5.1.11 Protection of equipment against harmful external influences

5.1.11.1 General

5.1.11.2 Protection

5.1.11.3 Guarding of equipment from mechanical damage

5.1.12 Degree of protection for outdoor use

5.2 Platform support/guide system (including any scissor mechanism)

5.2.1 Platform support/guide system

5.2.1.1

5.2.1.2

5.2.1.3

5.2.1.4

5.3 Safety gear and over-speed governor

5.3.1 Safety gear

5.3.1.1 General

5.3.1.2 Actuation

5.3.1.3 Release

5.3.1.4 Access for inspection

5.3.1.5 Electrical checking

5.3.2 Over-speed governor

5.3.2.1 General

5.3.2.2 Over-speed governor rope, safety rope

5.4 Driving units and drive systems

5.4.1 General requirements

5.4.1.1

5.4.1.2

5.4.1.3

5.4.1.4

5.4.1.5

5.4.1.6

5.4.1.7

5.4.2 Braking system

5.4.2.1 General

5.4.2.2 Electro-mechanical brake

5.4.2.2.1 General

5.4.2.2.2

5.4.2.2.3

5.4.2.2.4

5.4.2.2.5

5.4.2.2.6

5.4.2.2.7

5.4.2.2.8

5.4.2.3 Stopping / levelling accuracy

5.4.3 Emergency/manual operation

5.4.4 Additional requirements for rack and pinion drive

5.4.4.1 General

5.4.4.2 Load distribution

5.4.4.3 Pinion

5.4.4.4 Rack

5.4.4.4.1

5.4.4.4.2

5.4.4.5 Rack/pinion engagement

5.4.4.5.1

5.4.4.5.2

5.4.4.5.3

5.4.4.5.4

5.4.4.5.5

5.4.5 Additional requirements for rope and chain suspension drive

5.4.5.1 General

5.4.5.2 Ropes and chains

5.4.5.2.1

5.4.5.2.2

5.4.5.2.3

5.4.5.2.4

5.4.5.2.5

5.4.5.3 Rope/chain terminations

5.4.5.3.1

5.4.5.3.2

5.4.5.4 Pulley, drum and sprocket

5.4.5.4.1

5.4.5.4.2

5.4.5.4.3

5.4.5.4.4

5.4.5.5 Distribution of load between the ropes or the chains

5.4.5.5.1

5.4.5.5.2

5.4.5.5.3

5.4.5.5.4

5.4.6 Additional requirements for screw and nut drive

5.4.6.1 Precautions against free fall and descent with excessive speed of the platform

5.4.6.1.1

5.4.6.1.2 Self sustaining screw and nut system

5.4.6.1.3 Stopping safety device

5.4.6.1.3.1 Introduction

5.4.6.1.3.2 General provisions

5.4.6.1.3.3 Conditions of use for different types of stopping safety device

5.4.6.1.3.4 Methods of tripping

5.4.6.1.3.5 Retardation

5.4.6.1.3.6 Release

5.4.6.1.3.7 Constructional conditions

5.4.6.1.3.8 Inclination of the platform floor in case of stopping safety device operation

5.4.6.1.3.9 Electrical checking

5.4.6.1.3.10

5.4.6.1.4 Safety nut

5.4.6.2 Drive of the platform

5.4.6.2.1 Possible drive types

5.4.6.2.2 General provisions for the screw

5.4.6.2.2.1

5.4.6.2.2.2 Calculation of the screw

5.4.6.2.3 General provisions for nuts

5.4.6.2.3.1

5.4.6.2.3.2

5.4.6.2.3.3 Calculation of nuts

5.4.6.2.4 Connection platform/nut

5.4.6.2.4.1

5.4.6.2.4.2

5.4.7 Additional requirements for friction/traction drive

5.4.7.1 Traction wheels

5.4.7.2 Running surface

5.4.7.3 Traction

5.4.8 Additional requirements for guided chain system

5.4.8.1 General

5.4.8.1.1 Introduction

5.4.8.1.2 Shaft, sprockets and safety gear

5.4.8.1.3 Load distribution

5.4.8.1.4 Sprocket(s)

5.4.8.1.5 Guide elements for the chain

5.4.8.1.6 Guided chain

5.4.8.1.7 Buckling calculation

5.4.8.2 Transmission unit

5.4.8.2.1 General

5.4.8.2.2 Drive of the platform

5.4.8.2.3 Safety gear

5.4.9 Additional requirements for scissors mechanism drive

5.4.10 Additional requirements for hydraulic drive

5.4.10.1 General provisions

5.4.10.2 Jack

5.4.10.2.1 Pressure calculations

5.4.10.2.2 Buckling calculations

5.4.10.2.3 Tensile stress calculations

5.4.10.2.4 Limitation of the ram stroke

5.4.10.2.5 Means of protection

5.4.10.3 Connection platform/ram (cylinder)

5.4.10.3.1

5.4.10.3.2

5.4.10.3.3

5.4.10.3.4

5.4.10.3.5

5.4.10.4 Telescopic jacks

5.4.10.4.1

5.4.10.4.2

5.4.10.4.3

5.4.10.4.4

5.4.10.5 Piping

5.4.10.5.1 General

5.4.10.5.2 Rigid pipes

5.4.10.5.3 Flexible hoses

5.4.10.6 Stopping the machine and checking its stopped condition

5.4.10.7

5.4.10.8 Shut-off valve

5.4.10.9 Non-return valve

5.4.10.10 Pressure relief valve

5.4.10.11 Down direction valves

5.4.10.12 Protection against hydraulic system failure

5.4.10.12.1 Rupture valve

5.4.10.12.2 Combination of restrictor, down direction valve and non-return valve

5.4.10.13 Restrictor

5.4.10.14 Filters

5.4.10.15 Checking the pressure

5.4.10.16 Tank

5.4.10.17 Emergency operation

5.4.10.17.1 Moving the platform downwards

5.4.10.17.2 Moving the platform upwards

5.4.10.18 Protection against creeping of the platform

5.4.10.18.1

5.4.10.18.2

5.4.10.19 Clamping device

5.4.10.19.1 Introduction

5.4.10.19.2 General provisions

5.4.10.19.3 Conditions of use for different types of clamping device

5.4.10.19.3.1 Methods of tripping

5.4.10.19.3.2 Release

5.4.10.19.3.3 Electrical checking

5.4.10.20 Pawl device

5.4.10.21 Electrical anti creep system

5.4.10.22 Control of levelling, re-levelling and anti creeping with doors open

5.5 Electrical installation and equipment

5.5.1 General

5.5.1.1 Power supply

5.5.1.2 Electrical installation

5.5.2 Conductors of different circuits

5.5.3 Insulation resistance of the electrical installation (CENELEC HD 384.6.61 S1)

5.5.4 Lighting

5.5.5 Socket outlet

5.5.6 Drive contactors

5.5.6.1

5.5.6.2

5.5.6.3

5.5.6.4

5.5.7 Motors supplied directly from AC mains

5.5.7.1

5.5.7.2

5.5.7.3

5.5.8 Creepage and clearance distances and enclosure requirements

5.5.8.1 Enclosure requirements

5.5.8.2 Creepage and clearance distances

5.5.9 Electromagnetic compatibility

5.5.10 Protection against electrical faults

5.5.11 Electric/Electronic safety devices

5.5.11.1 General provisions

5.5.11.1.1

5.5.11.1.2

5.5.11.1.3

5.5.11.1.4

5.5.11.1.5

5.5.11.1.6

5.5.11.1.7

5.5.11.2 Electrical safety contacts

5.5.11.2.1

5.5.11.2.2 2

5.5.11.2.3

5.5.11.2.4

5.5.11.2.5

5.5.11.3 Safety circuits

5.5.11.3.1

5.5.11.3.2

5.5.11.3.2.1

5.5.11.3.2.2

5.5.11.3.2.3

5.5.11.3.2.4

5.5.11.3.2.5

5.5.11.3.3

5.5.11.4 Operation of electric safety devices

5.5.11.5 Actuation of electric safety devices

5.5.12 Protection of the driving motor

5.5.13 Electrical wiring

5.5.13.1 Conductors, insulation and earth bonding

5.5.13.2 Insulation

5.5.13.3 Trailing cables

5.5.13.4 Terminals and connectors

5.5.13.4.1 General

5.5.13.4.2

5.5.13.4.3

5.5.13.5 Electrical identification

5.5.14 Additional requirements for battery powered supply

5.5.14.1

5.5.14.2

5.5.14.3

5.5.14.4

5.5.14.5

5.5.14.6

5.5.14.7

5.5.14.8

5.5.14.9

5.5.15 Control devices

5.5.15.1

5.5.15.2 Control devices shall operate as follows

5.5.15.3

5.5.15.4

5.5.15.5

5.5.15.6

5.5.15.7

5.5.15.8

5.5.16 Emergency alarm devices

5.5.16.1

5.5.16.2

5.5.16.3

5.5.17 Cable-less controls

5.5.17.1

5.5.17.2

5.5.18 Control of inspection operation

5.6 Specific requirements for lifting platform enclosures

5.6.1 General

5.6.2 Top clearance

5.6.3 Risks for persons working in the liftway

5.6.4 Enclosure construction

5.6.4.1

5.6.4.2

5.6.4.3

5.6.4.4

5.6.5 Glass

5.6.6 Inspection doors and traps

5.6.6.1

5.6.6.2

5.6.6.3

5.7 Fire protection

5.8 Enclosed liftway entrances

5.8.1 General

5.8.2 Swing hinged landing doors

5.8.3 Height of landing doors

5.8.3.1 Upper level

5.8.3.2 Lower and intermediate levels

5.8.3.3 Existing buildings

5.8.4 Construction of landing doors

5.8.4.1 Inner surface

5.8.4.2 Alignment

5.8.4.3 Glazing

5.8.4.4 Clearances

5.8.4.5 Guiding of doors

5.8.4.6 Sills

5.8.4.7 Strength of landing doors

5.8.5 Door locking

5.8.5.1

5.8.5.2

5.8.5.3

5.8.5.4

5.8.5.5

5.8.5.6

5.8.5.7

5.8.5.8

5.8.5.9

5.8.6 Emergency unlocking

5.8.7 Protection during door operation

5.8.7.1

5.8.7.2

5.8.7.3

5.9 Platform

5.9.1 Construction

5.9.2 Sensitive edges, photo cells or light curtains

5.9.2.1 General

5.9.2.2

5.9.2.3

5.9.2.4

5.9.3

5.9.4 Floor covering

5.9.5 Ceilings

5.9.6 Control panel

5.9.7 Handrail

5.9.8 Glass

5.9.9 Tip up seat

6 Verification of safety requirements and/or protective measures

6.1 Verification of design

6.2 Verification tests

6.2.1 Over-speed safety device

6.2.2 Rupture valve/Restrictor

6.2.3 Safety gear

6.2.4 Self-sustaining system

6.2.5 Stopping safety device

6.2.6 Landing door locking devices

6.2.7 Safety circuits containing electronic components

6.3 Verification tests on each machine before first use

6.3.1

6.3.2

7 Information for use

7.1 Introduction

7.2 General

7.3 Signals and warning devices

7.3.1 Information to be displayed

7.3.1.1 General

7.3.1.2 Rated load

7.3.1.3 Function devices

7.3.1.4 Emergency alarm device

7.3.1.5 Disabled persons symbol

7.3.1.6 Emergency manual operation

7.3.1.6.1

7.3.1.6.2

7.3.1.6.3

7.3.1.6.4

7.3.1.6.4.1

7.3.1.6.4.2

7.3.1.6.5 Fragile ceiling

7.3.1.6.6

7.3.1.6.7

7.3.2 Operating instructions

7.3.2.1

7.3.2.2

7.4 Accompanying documents (in particular: Instruction handbook)

7.4.1 General

7.4.1.1

7.4.1.2

7.4.1.3

7.4.2 Marking

7.4.3 Building clearance requirements

Appendix A

Appendix B

B.1 Introduction

B.2 Selection of lifting platforms

B.2.1 Suitability

B.2.1.1

B.2.1.2

B.2.1.3

B.2.1.4

B.2.1.5

B.2.2 Control devices

B.2.2.1

B.2.2.2

B.2.3 Location of the lifting platform

B.2.4 Duty cycle

B.3 Electrical supply and lighting

B.4 Maintenance

Appendix C

C.1 Control devices

C.1.1

C.1.2

C.1.3

C.2 Assistance

C.2.1

C.3 Specially adapted switches

C.3.1

C.3.2

Appendix D

D.1 Periodic examinations and tests

D.2 Servicing

Appendix E

E.1 General provisions

E.2 Test report

E.3 Screw and nut (not self sustaining system) stopping safety device

E.3.1 General provisions

E.3.2 Check on the characteristic of the stopping safety device

E.3.2.1 Test sample

E.3.2.2 Test

E.3.2.2.1 Method of test

E.3.2.2.2 Test procedure

E.3.2.2.2.1 Stopping safety device for a single total mass

E.3.2.2.2.2 Stopping safety device certified for different total masses

E.3.2.2.3 Determination of the braking force of the stopping safety device

E.3.2.2.3.1 Stopping safety device for a single total mass

E.3.2.2.3.2 Stopping safety device for different total masses

E.3.2.2.4 Checking after the tests

E.3.2.3 Calculation of the permissible total mass

E.3.2.3.1 Stopping safety device for a single total mass

E.3.2.3.2 Stopping safety device for different total masses

E.3.2.3.2.1 Adjustment in stages

E.3.2.3.2.2 Continuous adjustment

E.3.2.4 Possible modification to the adjustments

E.3.3 Comments

E.3.4 Test report

E.4 Self sustaining system

Appendix F

Appendix G

G.1 General provisions

G.1.1

G.1.2

G.1.3

Appendix ZA

Bibliography

Appendix ZZ

ZZ.1 Scope

ZZ.2 Variations

Cited references in this standard

HD 384.6.61

S1, Electrical installations of buildings — Part 6-61: Verification — Initial verification

IEC 60417-DB

Graphical symbols for use on equipment

ISO 7000:2019

[Current]

Graphical symbols for use on equipment - Registered symbols

ISO 6336 (all parts)

— Calculation of load capacity of spur and helical gears

ISO 606:2015

[Current]

Short-pitch transmission precision roller and bush chains, attachments and associated chain sprockets

Content history

AS 1735.15-2002

[Superseded]

EN 81-41:2010

DR AS 1735.15:2020

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