Standard

Track updates

AS 1735.1.2:2021

[Current]

Lifts, escalators and moving walks, Part 1.2: Safety rules for the construction and installation of lifts — Lifts for the transport of persons and goods — Passenger and goods passenger lifts

AS 1735.1.2:2021 identically adopts EN 81 20:2020 for Australia which specifies the safety rules for permanently installed new passenger or goods passenger lifts, with traction, positive or hydraulic drive, serving defined landing levels, having a car designed for the transportation of persons or persons and goods, suspended by ropes, chains or jacks and moving between guide rails inclined not more than 15° to the vertical.

Published: 17/09/2021

Pages: 167

Table of contents

Cited references

Content history

Table of contents

Header

About this publication

Preface

European foreword

0 Introduction

0.1 General

0.2 General remarks

0.2.1

0.2.2

0.2.2.1

0.2.2.2

0.2.3

0.3 Principles

0.3.1

0.3.2

0.3.3

0.3.4

0.3.5

0.3.6

0.4 Assumptions

0.4.1

0.4.2

0.4.3

0.4.4

0.4.5

0.4.6

0.4.7

0.4.8

0.4.9

0.4.10

0.4.11

0.4.12

0.4.13

0.4.14

0.4.15

0.4.16

0.4.17

0.4.18

0.4.19

0.4.20

0.4.21

0.4.22

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

5.1.1

5.1.2

5.2 Well, machinery spaces and pulley rooms

5.2.1 General provisions

5.2.1.1 Arrangement of lift equipment

5.2.1.1.1

5.2.1.1.2

5.2.1.2 Exclusive use of the well, machine and pulley rooms

5.2.1.2.1

5.2.1.2.2

5.2.1.2.3

5.2.1.3 Ventilation of the well, machinery spaces and pulley rooms

5.2.1.4 Lighting

5.2.1.4.1

5.2.1.4.2

5.2.1.5 Electric equipment in the pit and in machinery spaces and pulley rooms

5.2.1.5.1

5.2.1.5.2

5.2.1.6 Emergency release

5.2.1.7 Handling of equipment

5.2.1.8 Strength of walls, floors and ceilings

5.2.1.8.1

5.2.1.8.2

5.2.1.8.3

5.2.1.8.4

5.2.1.8.5

5.2.1.8.6

5.2.1.8.7

5.2.1.8.8

5.2.1.9 Surfaces of walls, floors and ceilings

5.2.2 Access to well and to machinery spaces and pulley rooms

5.2.2.1

5.2.2.2

5.2.2.3

5.2.2.4

5.2.2.5

5.2.3 Access and emergency doors - Access trap doors - Inspection doors

5.2.3.1

5.2.3.2

5.2.3.3

5.2.3.4

5.2.4 Notices

5.2.4.1

5.2.4.2

5.2.5 Well

5.2.5.1 General provisions

5.2.5.1.1

5.2.5.1.2

5.2.5.1.3

5.2.5.2 Well enclosure

5.2.5.2.1 General

5.2.5.2.2 Totally enclosed well

5.2.5.2.2.1

5.2.5.2.2.2

5.2.5.2.3 Partially enclosed well

5.2.5.3 Construction of the walls of the well and landing doors facing a car entrance

5.2.5.3.1

5.2.5.3.2

5.2.5.4 Protection of any spaces located below the well

5.2.5.5 Protection in the well

5.2.5.5.1

5.2.5.5.2

5.2.5.5.2.1

5.2.5.5.2.2

5.2.5.6 Guided travel of car, counterweight and balancing weight

5.2.5.6.1 Extreme position of car, counterweight and balancing weight

5.2.5.6.1.1

5.2.5.6.1.2

5.2.5.6.1.3

5.2.5.6.1.4

5.2.5.6.2 In the case of traction lifts

5.2.5.6.3 In the case of positive drive lifts

5.2.5.6.3.1

5.2.5.6.3.2

5.2.5.6.4 In the case of hydraulic lifts

5.2.5.6.4.1

5.2.5.6.4.2

5.2.5.6.4.3

5.2.5.7 Refuge spaces on car roof and clearances in headroom

5.2.5.7.1

5.2.5.7.2

5.2.5.7.3

5.2.5.7.4

5.2.5.8 Refuge spaces and clearances in the pit

5.2.5.8.1

5.2.5.8.2

5.2.6 Machinery spaces and pulley rooms

5.2.6.1 General provisions

5.2.6.2 Notices and instructions

5.2.6.2.1

5.2.6.2.2

5.2.6.2.3

5.2.6.3 Machinery in a machine room

5.2.6.3.1 Traction sheave in the well

5.2.6.3.2 Dimensions

5.2.6.3.2.1

5.2.6.3.2.2

5.2.6.3.2.3

5.2.6.3.2.4

5.2.6.3.2.5

5.2.6.3.3 Other openings

5.2.6.4 Machinery inside the well

5.2.6.4.1 General provisions

5.2.6.4.1.1

5.2.6.4.1.2

5.2.6.4.1.3

5.2.6.4.2 Dimensions of working areas inside the well

5.2.6.4.2.1

5.2.6.4.2.2

5.2.6.4.3 Working areas in the car or on the car roof

5.2.6.4.3.1

5.2.6.4.3.2

5.2.6.4.3.3

5.2.6.4.3.4

5.2.6.4.4 Working areas in the pit

5.2.6.4.4.1

5.2.6.4.4.2

5.2.6.4.4.3

5.2.6.4.5 Working areas on a platform

5.2.6.4.5.1

5.2.6.4.5.2

5.2.6.4.5.3

5.2.6.4.5.4

5.2.6.4.5.5

5.2.6.4.5.6

5.2.6.4.5.7

5.2.6.4.5.8

5.2.6.4.6 Working areas outside of the well

5.2.6.5 Machinery outside of the well

5.2.6.5.1 Machinery cabinet

5.2.6.5.1.1

5.2.6.5.1.2

5.2.6.5.1.3

5.2.6.5.2 Working area

5.2.6.6 Devices for emergency and test operations

5.2.6.6.1

5.2.6.6.2

5.2.6.6.3

5.2.6.6.4

5.2.6.7 Construction and equipment of pulley rooms

5.2.6.7.1 Dimensions

5.2.6.7.1.1

5.2.6.7.1.2

5.2.6.7.2 Openings

5.3 Landing doors and car doors

5.3.1 General provisions

5.3.1.1

5.3.1.2

5.3.1.3

5.3.1.4

5.3.1.5

5.3.2 Height and width of entrances

5.3.2.1 Height

5.3.2.2 Width

5.3.3 Sills, guides, door suspension

5.3.3.1 Sills

5.3.3.2 Guides

5.3.3.2.1

5.3.3.2.2

5.3.3.2.3

5.3.3.3 Suspension of vertically sliding doors

5.3.3.3.1

5.3.3.3.2

5.3.3.3.3

5.3.3.3.4

5.3.4 Horizontal door clearances

5.3.4.1

5.3.4.2

5.3.4.3

5.3.5 Strength of landings and car doors

5.3.5.1 General

5.3.5.2 Behaviour under fire conditions

5.3.5.3 Mechanical strength

5.3.5.3.1

5.3.5.3.2

5.3.5.3.3

5.3.5.3.4

5.3.5.3.5

5.3.5.3.6

5.3.5.3.7

5.3.6 Protection in relation to door operation

5.3.6.1 General

5.3.6.2 Power operated doors

5.3.6.2.1 General

5.3.6.2.2 Horizontally sliding doors

5.3.6.2.2.1 Automatic power operated doors

5.3.6.2.2.2 Non-automatic power operated doors

5.3.6.2.2.3 Vertically sliding doors

5.3.6.2.3 Other types of doors

5.3.6.3 Reversal of closing movement

5.3.7 Local landing lighting and “car here” signal lights

5.3.7.1 Local landing lighting

5.3.7.2 “Car here” indication

5.3.7.2.1

5.3.7.2.2

5.3.8 Locking and closed landing door check

5.3.8.1 Protection against the risk of falling

5.3.8.2 Protection against shearing

5.3.9 Locking and emergency unlocking of landing and car doors

5.3.9.1 Landing door locking devices

5.3.9.1.1

5.3.9.1.2

5.3.9.1.3

5.3.9.1.4

5.3.9.1.5

5.3.9.1.6

5.3.9.1.7

5.3.9.1.8

5.3.9.1.9

5.3.9.1.10

5.3.9.1.11

5.3.9.1.12

5.3.9.1.13

5.3.9.2 Car door locking devices

5.3.9.3 Emergency unlocking

5.3.9.3.1

5.3.9.3.2

5.3.9.3.3

5.3.9.3.4

5.3.9.3.5

5.3.9.4 Electric safety device for proving the landing door closed

5.3.9.4.1

5.3.9.4.2

5.3.9.4.3

5.3.10 Requirements common to devices for proving the locked condition and the closed condition of the landing door

5.3.10.1

5.3.10.2

5.3.11 Sliding landing doors with multiple, mechanically linked panels

5.3.11.1

5.3.11.2

5.3.11.3

5.3.12 Closing of automatically operated landing doors

5.3.13 Electric safety device for proving the car doors closed

5.3.13.1

5.3.13.2

5.3.14 Sliding or folding car doors with multiple, mechanically linked panels

5.3.14.1

5.3.14.2

5.3.15 Opening the car door

5.3.15.1

5.3.15.2

5.3.15.3

5.3.15.4

5.4 Car, counterweight and balancing weight

5.4.1 Height of car

5.4.2 Available car area, rated load, number of passengers

5.4.2.1 General case

5.4.2.1.1

5.4.2.1.2

5.4.2.1.3

5.4.2.1.4

5.4.2.2 Goods passenger lifts

5.4.2.2.1

5.4.2.2.2

5.4.2.2.3

5.4.2.2.4

5.4.2.3 Number of passengers

5.4.2.3.1

5.4.2.3.2

5.4.2.3.3

5.4.3 Walls, floor and roof of the car

5.4.3.1

5.4.3.2

5.4.3.2.1

5.4.3.2.2

5.4.3.2.3

5.4.3.2.4

5.4.3.2.5

5.4.3.2.6

5.4.3.3

5.4.4 Car door, floor, wall, ceiling and decorative materials

5.4.5 Apron

5.4.5.1

5.4.5.2

5.4.5.3

5.4.6 Emergency trap doors and emergency doors

5.4.6.1

5.4.6.2

5.4.6.3

5.4.6.3.1

5.4.6.3.1.1

5.4.6.3.1.2

5.4.6.3.2

5.4.7 Car roof

5.4.7.1

5.4.7.2

5.4.7.3

5.4.7.4

5.4.7.5

5.4.7.6

5.4.8 Equipment on top of the car

5.4.9 Ventilation

5.4.9.1

5.4.9.2

5.4.9.3

5.4.10 Lighting

5.4.10.1

5.4.10.2

5.4.10.3

5.4.10.4

5.4.11 Counterweight and balancing weight

5.4.11.1

5.4.11.2

5.4.11.3

5.5 Suspension means, compensation means and related protection means

5.5.1 Suspension means

5.5.1.1

5.5.1.2

5.5.1.3

5.5.1.4

5.5.2 Sheave, pulley, drum and rope diameter ratios, rope/chain terminations

5.5.2.1

5.5.2.2

5.5.2.3

5.5.2.3.1

5.5.2.3.2

5.5.2.4

5.5.3 Rope traction

5.5.4 Winding up of ropes for positive drive lifts

5.5.4.1

5.5.4.2

5.5.4.3

5.5.4.4

5.5.5 Distribution of load between the ropes or the chains

5.5.5.1

5.5.5.1.1

5.5.5.1.2

5.5.5.2

5.5.5.3

5.5.5.4

5.5.6 Compensation means

5.5.6.1

5.5.6.2

5.5.6.3

5.5.7 Protection for sheaves, pulleys and sprockets

5.5.7.1

5.5.7.2

5.5.8 Traction sheaves, pulleys and sprockets in the well

5.6 Precautions against free fall, excessive speed, unintended car movement and creeping of the car

5.6.1 General provisions

5.6.1.1

5.6.1.2

5.6.1.3

5.6.2 Safety gear and its tripping means

5.6.2.1 Safety gear

5.6.2.1.1 General provisions

5.6.2.1.1.1

5.6.2.1.1.2

5.6.2.1.1.3

5.6.2.1.2 Conditions of use for different types of safety gear

5.6.2.1.2.1

5.6.2.1.2.2

5.6.2.1.2.3

5.6.2.1.3 Retardation

5.6.2.1.4 Release

5.6.2.1.4.1

5.6.2.1.4.2

5.6.2.1.4.3

5.6.2.1.5 Electrical checking

5.6.2.1.6 Constructional conditions

5.6.2.1.6.1

5.6.2.1.6.2

5.6.2.1.6.3

5.6.2.1.6.4

5.6.2.1.6.5

5.6.2.2 Means of tripping the safety gear

5.6.2.2.1 Tripping by overspeed governor

5.6.2.2.1.1 General provisions

5.6.2.2.1.2 Response time

5.6.2.2.1.3 Overspeed governor ropes

5.6.2.2.1.4 Accessibility

5.6.2.2.1.5 Possibility of tripping the overspeed governor

5.6.2.2.1.6 Electrical checking

5.6.2.2.1.7

5.6.2.2.1.8

5.6.2.2.2 Tripping by breakage of suspension means

5.6.2.2.3 Tripping by safety rope

5.6.2.2.4 Tripping by downward movement of the car

5.6.2.2.4.1 Tripping by rope

5.6.2.2.4.2 Tripping by lever

5.6.3 Rupture valve

5.6.3.1

5.6.3.2

5.6.3.3

5.6.3.4

5.6.3.5

5.6.3.6

5.6.3.7

5.6.3.8

5.6.3.9

5.6.4 Restrictors

5.6.4.1

5.6.4.2

5.6.4.3

5.6.4.4

5.6.4.5

5.6.4.6

5.6.4.7

5.6.5 Pawl device

5.6.5.1

5.6.5.2

5.6.5.3

5.6.5.4

5.6.5.5

5.6.5.6

5.6.5.7

5.6.5.7.1

5.6.5.7.2

5.6.5.8

5.6.5.9

5.6.5.9.1

5.6.5.9.2

5.6.5.10

5.6.6 Ascending car overspeed protection means

5.6.6.1

5.6.6.2

5.6.6.3

5.6.6.4

5.6.6.5

5.6.6.6

5.6.6.7

5.6.6.8

5.6.6.9

5.6.6.10

5.6.6.11

5.6.6.12

5.6.7 Protection against unintended car movement

5.6.7.1

5.6.7.2

5.6.7.3

5.6.7.4

5.6.7.5

5.6.7.6

5.6.7.7

5.6.7.8

5.6.7.9

5.6.7.10

5.6.7.11

5.6.7.12

5.6.7.13

5.6.7.14

5.7 Guide rails

5.7.1 Guiding of the car, counterweight or balancing weight

5.7.1.1

5.7.1.2

5.7.1.3

5.7.1.4

5.7.1.5

5.7.2 Permissible stresses and deflections

5.7.2.1 General provisions

5.7.2.1.1

5.7.2.1.2

5.7.2.2 Load cases

5.7.2.3 Forces on guide rails

5.7.2.3.1

5.7.2.3.2

5.7.2.3.3

5.7.2.3.4

5.7.2.3.5

5.7.2.3.6

5.7.2.3.7

5.7.2.3.8

5.7.3 Combination of loads and forces

5.7.4 Impact factors

5.7.4.1 Safety device operation

5.7.4.2 Normal operation

5.7.4.3 Auxiliary parts fixed to the guide rail and/ or other operational scenarios

5.7.4.4 Values of impact factors

5.7.4.5 Permissible stresses

5.7.4.6 Permissible deflections

5.7.4.7 Calculation

5.8 Buffers

5.8.1 Car and counterweight buffers

5.8.1.1

5.8.1.2

5.8.1.3

5.8.1.4

5.8.1.5

5.8.1.6

5.8.1.7

5.8.1.8

5.8.2 Stroke of car and counterweight buffers

5.8.2.1 Energy accumulation type buffers

5.8.2.1.1 Buffers with linear characteristics

5.8.2.1.1.1

5.8.2.1.1.2

5.8.2.1.2 Buffers with nonlinear characteristics

5.8.2.1.2.1

5.8.2.1.2.2

5.8.2.2 Energy dissipation type buffers

5.8.2.2.1

5.8.2.2.2

5.8.2.2.3

5.8.2.2.4

5.8.2.2.5

5.9 Lift machinery and associated equipment

5.9.1 General provision

5.9.1.1

5.9.1.2

5.9.2 Lift machine for traction lifts and positive drive lifts

5.9.2.1 General provisions

5.9.2.1.1

5.9.2.1.2

5.9.2.2 Braking system

5.9.2.2.1 General provisions

5.9.2.2.1.1

5.9.2.2.1.2

5.9.2.2.2 Electro-mechanical brake

5.9.2.2.2.1

5.9.2.2.2.2

5.9.2.2.2.3

5.9.2.2.2.4

5.9.2.2.2.5

5.9.2.2.2.6

5.9.2.2.2.7

5.9.2.2.2.8

5.9.2.2.2.9

5.9.2.3 Emergency operation

5.9.2.3.1

5.9.2.3.2

5.9.2.3.3

5.9.2.3.4

5.9.2.3.5

5.9.2.4 Speed

5.9.2.5 Removing the power which can cause rotation of the motor

5.9.2.5.1 General

5.9.2.5.2 Motors supplied directly from AC or DC mains by contactors

5.9.2.5.3 Drive using a “Ward-Leonard” system

5.9.2.5.3.1 Excitation of the generator supplied by classical elements

5.9.2.5.3.2 Excitation of the generator supplied and controlled by static elements

5.9.2.5.4 AC or DC motor supplied and controlled by static elements

5.9.2.6 Control devices and monitoring devices

5.9.2.7 Motor run time limiter

5.9.2.7.1

5.9.2.7.2

5.9.2.7.3

5.9.2.7.4

5.9.3 Lift machine for hydraulic lifts

5.9.3.1 General provision

5.9.3.1.1

5.9.3.1.2

5.9.3.1.3

5.9.3.2 Jack

5.9.3.2.1 Calculations of cylinder and ram

5.9.3.2.1.1 Pressure calculations

5.9.3.2.1.2 Buckling calculations

5.9.3.2.1.3 Tensile stress calculations

5.9.3.2.2 Connection car/ram (cylinder)

5.9.3.2.2.1

5.9.3.2.2.2

5.9.3.2.2.3

5.9.3.2.2.4

5.9.3.2.2.5

5.9.3.2.3 Limitation of the ram stroke

5.9.3.2.3.1

5.9.3.2.3.2

5.9.3.2.4 Cushioned stop

5.9.3.2.4.1

5.9.3.2.4.2

5.9.3.2.4.3

5.9.3.2.5 Means of protection

5.9.3.2.5.1

5.9.3.2.5.2

5.9.3.2.5.3

5.9.3.2.6 Telescopic jacks

5.9.3.2.6.1

5.9.3.2.6.2

5.9.3.2.6.3

5.9.3.2.6.4

5.9.3.2.6.5

5.9.3.2.6.6

5.9.3.3 Piping

5.9.3.3.1 General

5.9.3.3.1.1

5.9.3.3.1.2

5.9.3.3.2 Rigid pipes

5.9.3.3.2.1

5.9.3.3.2.2

5.9.3.3.3 Flexible hoses

5.9.3.3.3.1

5.9.3.3.3.2

5.9.3.3.3.3

5.9.3.3.3.4

5.9.3.4 Stopping the machine and checking its stopped condition

5.9.3.4.1 General

5.9.3.4.2 Upwards motion

5.9.3.4.3 Downwards motion

5.9.3.4.4 Checking of the stopped condition

5.9.3.5 Hydraulic control and safety devices

5.9.3.5.1 Shut-off valve

5.9.3.5.1.1

5.9.3.5.1.2

5.9.3.5.2 Non-return valve

5.9.3.5.2.1

5.9.3.5.2.2

5.9.3.5.2.3

5.9.3.5.3 Pressure relief valve

5.9.3.5.3.1

5.9.3.5.3.2

5.9.3.5.3.3

5.9.3.5.4 Direction valves

5.9.3.5.4.1 Down direction valves

5.9.3.5.4.2 Up direction valves

5.9.3.5.5 Filters

5.9.3.6 Checking the pressure

5.9.3.6.1

5.9.3.6.2

5.9.3.6.3

5.9.3.7 Tank

5.9.3.8 Speed

5.9.3.8.1

5.9.3.8.2

5.9.3.9 Emergency operation

5.9.3.9.1 Moving the car downwards

5.9.3.9.1.1

5.9.3.9.1.2

5.9.3.9.1.3

5.9.3.9.1.4

5.9.3.9.1.5

5.9.3.9.1.6

5.9.3.9.2 Moving the car upwards

5.9.3.9.2.1

5.9.3.9.2.2

5.9.3.9.2.3

5.9.3.9.2.4

5.9.3.9.3 Checking of the car position

5.9.3.10 Motor run time limiter

5.9.3.10.1

5.9.3.10.2

5.9.3.10.3

5.9.3.10.4

5.9.3.11 Protection against overheating of the hydraulic fluid

5.10 Electric installations and appliances

5.10.1 General provisions

5.10.1.1 Limits of application

5.10.1.1.1

5.10.1.1.2

5.10.1.1.3

5.10.1.1.4

5.10.1.1.5

5.10.1.1.6

5.10.1.2 Protection against electric shock

5.10.1.2.1 General

5.10.1.2.2 Basic protection (protection against direct contact)

5.10.1.2.3 Additional protection

5.10.1.2.4 Protection against residual voltages

5.10.1.3 Insulation resistance of the electrical installation (HD 60364-6:2007)

5.10.1.3.1

5.10.1.3.2

5.10.2 Incoming supply conductor terminations

5.10.3 Contactors, contactor relays, components of safety circuits

5.10.3.1 Contactors and contactor relays

5.10.3.1.1

5.10.3.1.2

5.10.3.1.3

5.10.3.2 Components of safety circuits

5.10.3.2.1

5.10.3.2.2

5.10.4 Protection of electrical equipment

5.10.4.1

5.10.4.2

5.10.4.3

5.10.4.4

5.10.5 Main switches

5.10.5.1

5.10.5.1.1

5.10.5.1.2

5.10.5.2

5.10.5.3

5.10.5.4

5.10.5.5

5.10.6 Electric wiring

5.10.6.1 Conductors and cables

5.10.6.2 Cross-sectional area of conductors

5.10.6.3 Wiring practices

5.10.6.3.1

5.10.6.3.2

5.10.6.3.3

5.10.6.3.4

5.10.6.3.5

5.10.6.3.6

5.10.6.3.7

5.10.6.4 Connectors

5.10.7 Lighting and socket outlets

5.10.7.1

5.10.7.2

5.10.8 Control of the supply for lighting and socket outlets

5.10.8.1

5.10.8.2

5.10.8.3

5.10.9 Protective earthing

5.10.10 Electrical identification

5.11 Protection against electric faults; failure analysis; electric safety devices

5.11.1 Protection against electric faults; failure analysis

5.11.1.1

5.11.1.2

5.11.1.3

5.11.1.4

5.11.2 Electric safety devices

5.11.2.1 General provisions

5.11.2.1.1

5.11.2.1.2

5.11.2.1.3

5.11.2.1.4

5.11.2.1.5

5.11.2.1.6

5.11.2.1.7

5.11.2.2 Safety contacts

5.11.2.2.1

5.11.2.2.2

5.11.2.2.3

5.11.2.2.4

5.11.2.2.5

5.11.2.2.6

5.11.2.3 Safety circuits

5.11.2.3.1

5.11.2.3.2

5.11.2.3.3

5.11.2.3.4

5.11.2.3.5

5.11.2.4 Operation of electric safety devices

5.11.2.5 Actuation of electric safety devices

5.11.2.6 Programmable electronic systems in safety related applications (PESSRAL)

5.12 Controls — Final limit switches — Priorities

5.12.1 Control of lift operations

5.12.1.1 Control of normal operation

5.12.1.1.1

5.12.1.1.2

5.12.1.1.3

5.12.1.1.4

5.12.1.2 Load control

5.12.1.2.1

5.12.1.2.2

5.12.1.2.3

5.12.1.3 Monitoring the normal slowdown of the machine in case of reduced buffer stroke

5.12.1.4 Control of levelling, re-levelling and preliminary operation with doors not closed and locked

5.12.1.5 Control of inspection operation

5.12.1.5.1 Design requirements

5.12.1.5.1.1

5.12.1.5.1.2

5.12.1.5.1.3

5.12.1.5.2 Functional Requirements

5.12.1.5.2.1 Inspection operation switch

5.12.1.5.2.2 Return to normal operation of the lift

5.12.1.5.2.3 Push buttons

5.12.1.5.2.4 Inspection control station(s)

5.12.1.6 Control of emergency electrical operation

5.12.1.6.1

5.12.1.6.2

5.12.1.7 Protection for maintenance operations

5.12.1.8 Landing and car door bypass device

5.12.1.8.1

5.12.1.8.2

5.12.1.8.3

5.12.1.9 Prevention of normal operation of the lift with faulty door contact circuits

5.12.1.10 Electrical anti-creep system (see Table 12)

5.12.1.11 Stopping devices

5.12.1.11.1

5.12.1.11.2

5.12.1.11.3

5.12.2 Final limit switches

5.12.2.1 General

5.12.2.2 Actuation of the final limit switches

5.12.2.2.1

5.12.2.2.2

5.12.2.2.3

5.12.2.2.4

5.12.2.2.5

5.12.2.3 Method of operation of final limit switches

5.12.2.3.1

5.12.2.3.2

5.12.3 Emergency alarm device and intercom system

5.12.3.1

5.12.3.2

5.12.4 Priorities and signals

5.12.4.1

5.12.4.2

5.12.4.3

6 Verification of the safety requirements and/or protective measures

6.1 Technical compliance documentation

6.2 Verification of design

6.3 Examinations and tests before putting into service

6.3.1 Braking system (5.9.2.2)

6.3.2 Electric installation

6.3.3 Checking of the traction (5.5.3)

6.3.4 Car safety gear (5.6.2)

6.3.5 Counterweight or balancing weight safety gear (5.6.2)

6.3.6 Pawl device (5.6.5)

6.3.7 Buffers (5.8.1, 5.8.2)

6.3.8 Rupture valve (5.6.3)

6.3.9 Restrictor/one-way restrictor (5.6.4)

6.3.10 Pressure test

6.3.11 Ascending car overspeed protection means (5.6.6)

6.3.12 Stopping of the car at landings and levelling accuracy (5.12.1.1.4)

6.3.13 Protection against unintended car movement (5.6.7)

6.3.14 Protection against falling/shearing (5.3.9.3.4)

7 Information for use

7.1 General

7.2 Instruction manual

7.2.1 General

7.2.2 Normal use

7.2.3 Maintenance

7.2.4 Examinations and tests

7.3 Logbook

7.3.1

7.3.2

Appendix A

Appendix B

Appendix C

C.1 Periodic examinations and tests

C.2 Examinations and tests after an important modification or after an accident

Appendix D

Appendix E

E.1 General provisions

E.2 Support of Guide Rails

E.3 Ventilation of car, well and machine rooms

E.3.1 General

E.3.2 Ventilation of the well and car

E.3.3 Ventilation of machine rooms

Appendix F

F.1 Types of pit access ladder

F.2 General provisions

F.2.1

F.2.2

F.2.3

F.3 Ladder uprights and rungs

F.3.1 Ladder uprights

F.3.2 Ladder rungs

F.4 Specific provisions for non fixed type ladders

F.5 Location of the ladder in the pit

Appendix ZA

Bibliography

Cited references in this standard

Content history

DR AS 1735.1.2:2021

EN 81-20:2020