AS 1735.3-2002

1-AS 1735.3-2002 LIFTS, ESCALATORS AND MOVING WALKS - PASSENGER AND GOODS LIFTS-ELECTROHYDRAULIC
4-PREFACE
5-CONTENTS
8-SECTION 1 SCOPE AND GENERAL
8-1.1 SCOPE
8-1.2 REFERENCED DOCUMENTS
9-1.3 DEFINITIONS
10-SECTION 2 SPEED
11-SECTION 3 PRESSURE TEST AFTER ERECTION
12-SECTION 4 BEAMS, SUPPORTS, AND FOUNDATIONS FOR CYLINDERS, MACHINES AND OVERHEAD SHEAVES
13-SECTION 5 MACHINERY LOCATIONS
13-5.1 GENERAL
13-5.2 MACHINE ROOM LOCATION RELATIVE TO LIFTWELL
13-5.3 COMMUNICATIONS
14-5.4 LIFT MOVEMENT OBSERVATION
17-SECTION 6 ACCESS TO OVERHEAD SHEAVES
18-SECTION 7 HYDRAULIC EQUIPMENT
18-7.1 GENERAL
18-7.2 RAMS
18-7.2.1 General
18-7.2.2 Material
18-7.2.3 Ram design
19-7.2.4 Ram connection
20-7.2.5 Ram joints
22-7.2.6 Ram stops
23-7.2.7 Car stops for upward travel
23-7.2.8 Ram ends subject to fluid pressure
23-7.2.9 Ram-follower guide
23-7.2.10 Head guide
23-7.3 CYLINDERS
23-7.3.1 Materials
23-7.3.2 Cylinder design
24-7.3.3 Clearance at bottom of cylinder
24-7.3.4 Cylinder and ram ends
25-7.3.5 Collection of oil leakage
25-7.3.6 Bleeding off air or gas
26-7.3.7 Cylinder protection
27-7.3.8 Cylinder restraint
27-7.3.9 Multiple cylinders
27-7.3.10 Multiple-axis telescoping cylinders
27-7.4 HYDRAULIC LINES
27-7.4.1 General
28-7.4.2 Rigid lines and fittings
28-7.4.3 Hoses
32-7.5 VALVES
32-7.5.1 General
32-7.5.2 Pump relief valve
32-7.5.3 Check valve
32-7.5.4 Door lock valve
33-7.5.5 Flow restriction (pipe rupture) valve
33-7.5.6 Manual operation
34-7.5.7 Low pressure device
34-7.5.8 Down direction valves
34-7.5.9 Shut-off Valve
34-7.6 TANKS
34-7.6.1 Material
34-7.6.2 Capacity
34-7.6.3 Means for checking liquid level
34-7.6.4 Covers and venting
35-7.6.5 Factors of safety
35-7.7 AUXILIARY EQUIPMENT LOCATION
37-7.8 STORED ENERGY PUMPING SYSTEM
38-SECTION 8 CLEARANCES FOR CARS AND COUNTERWEIGHTS
38-8.1 DIRECT-ACTING ELECTROHYDRAULIC LIFTS
38-8.1.1 Clearance at bottom of car
38-8.1.2 Car buffer clearance
38-8.1.3 Top overtravel
39-8.1.4 Top overtravel clearance
40-8.1.5 Standing area
40-8.1.6 Clearance at top of flying counterweight
41-8.1.7 Clearance at bottom of flying counterweight
41-8.1.8 Guardrails on top of car
41-8.2 SUSPENDED ELECTROHYDRAULIC LIFTS (INDIRECT)
41-8.2.1 Clearance at bottom of car
42-8.2.2 Car buffer clearance
42-8.2.3 Compressed ram clearance
42-8.2.4 Clearance above car with ram fully extended
42-8.2.5 Top overtravel
42-8.2.6 Clearance at top of flying counterweight
43-8.2.7 Clearance at bottom of flying counterweight
43-8.2.8 Standing area
43-8.2.9 Guardrails on top of car
45-SECTION 9 BUFFERS AND HOLDING DEVICES
45-9.1 CAR BUFFERS
45-9.1.1 General
45-9.1.2 Location
45-9.1.3 Solid buffers
46-9.1.4 Spring buffers
46-9.1.5 Oil buffers
48-9.1.6 Elastomer buffers
48-9.2 DEVICES TO HOLD CAR ABOVE LOWEST FLOOR
49-9.3 COUNTERWEIGHT BUFFERS
49-9.4 FLYING COUNTERWEIGHT BUFFERS
49-9.5 PAWL DEVICES
52-SECTION 10 PITS
52-10.1 GENERAL
52-10.2 PITS NOT EXTENDING TO LOWEST FLOOR OF BUILDING
53-SECTION 11 LIFTWELL ENCLOSURES
54-SECTION 12 LANDING DOORS
54-12.1 PROVISION
54-12.2 GENERAL
54-12.3 CLOSING OF LANDING DOORS
54-12.3.1 General
54-12.3.2 Horizontally operated doors
54-12.3.3 Vertical sliding doors
54-12.3.4 Vertical bi-parting doors
55-12.3.5 Hinged doors
56-SECTION 13 LOCKING OF LANDING DOORS
56-13.1 GENERAL
56-13.2 PARKING OF ATTENDANT-CONTROLLED CARS
57-SECTION 14 DOOR LOCKS
58-SECTION 15 CLEARANCES IN LIFTWELLS AND ENCLOSURES
59-SECTION 16 PIPING, OR SIMILAR, IN LIFTWELLS OR MACHINE ROOMS
60-SECTION 17 SUSPENSION MEANS
60-17.1 GENERAL
60-17.2 ROPE SUSPENSION
60-17.3 CHAIN SUSPENSION
60-17.3.1 General
60-17.3.2 Means
60-17.3.3 Number
60-17.3.4 Type
61-17.3.5 Anchorages
61-17.3.6 Factor of safety
61-17.3.7 Alignment
61-17.3.8 Equalizers
61-17.3.9 Chainwheels
62-SECTION 18 ROPE ATTACHMENTS AND FITTINGS
63-SECTION 19 SHEAVES AND PULLEYS
64-SECTION 20 COUNTERWEIGHTS AND FLYING COUNTERWEIGHTS
64-20.1 GENERAL
64-20.2 PIT GUARDS
64-20.3 FLYING COUNTERWEIGHT OVERTRAVEL LIMIT SWITCH
64-20.4 MASS OF FLYING COUNTERWEIGHT
65-SECTION 21 GUIDES FOR LIFT CARS AND COUNTERWEIGHTS
65-21.1 GENERAL
65-21.2 STRESSES AND DEFLECTIONS IN STEEL CAR GUIDE RAILS
65-21.2.1 Direct-acting lifts
65-21.2.2 Suspended lifts with safety gear
65-21.2.3 Cantilevered car retention
66-SECTION 22 RATED CAR CAPACITY AND CLASSES OF LOADING
67-SECTION 23 CAR CONSTRUCTION
67-23.1 GENERAL
67-23.2 CAR FRAMES FOR DIRECT-ACTING LIFTS
68-SECTION 24 CAR DOORS
69-SECTION 25 POWER OPERATION OF CAR AND LANDING DOORS
70-SECTION 26 ELECTRICAL INSTALLATION
70-26.1 GENERAL
70-26.2 CONTROLLERS
71-SECTION 27 EARTHING
72-SECTION 28 PRECAUTIONS IN WIRING
73-SECTION 29 OPERATING DEVICES AND CONTROL EQUIPMENT
73-29.1 GENERAL
73-29.2 OPERATING IN THE EVENT OF SUB-MAINS SUPPLY FAILURE
74-SECTION 30 ELECTRICAL PROTECTIVE DEVICES
74-30.1 GENERAL
74-30.1.1 Compliance with AS 1735.2
74-30.1.2 Variations from AS 1735.2
74-30.2 TOP OVERTRAVEL LIMIT SWITCH
74-30.3 ANTI-CREEP LEVELLING DEVICE
74-30.4 NORMAL LIMIT SWITCHES
74-30.5 DOOR LOCK VALVE TEST SWITCH
74-30.6 FLYING COUNTERWEIGHT OVERTRAVEL LIMIT SWITCH
75-30.7 RECYCLING SYNCHRONIZATION
75-30.8 SLACK CHAIN SWITCH
76-SECTION 31 TERMINAL STOPPINGDEVICES
76-31.1 GENERAL
76-31.2 NORMAL (SLOWING DOWN AND STOPPING) LIMIT SWITCHES OR DEVICES
76-31.2.1 General
76-31.2.2 Location
76-31.3 TOP OVERTRAVEL LIMIT SWITCHES
76-31.3.1 Operation
76-31.3.2 Setting
77-31.4 ANTI-CREEP LEVELLING DEVICE
77-31.5 FLYING COUNTERWEIGHT BOTTOM OVERTRAVEL LIMIT SWITCH
78-SECTION 32 INDICATORS, ANNUNCIATORS, ALARMS, TELEPHONES AND THE LIKE
79-SECTION 33 CAR AND COUNTERWEIGHTSAFETY GEAR
79-33.1 GENERAL
79-33.2 TRIPPING OF TYPE 'A' SAFETY GEAR BY SAFETY ROPE
80-SECTION 34 SPEED GOVERNORS
81-SECTION 35 SAFETY DEVICE SELECTION
82-APPENDIX A - NOTATION
83-APPENDIX B - MEDIUM DENSITY POLYETHYLENE (MDPE)