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)