1 - AS 1735.3-2001 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
10 - SECTION 3 PRESSURE TEST AFTER ERECTION
10 - SECTION 4 BEAMS, SUPPORTS, AND FOUNDATIONS FOR CYLINDERS, MACHINES AND OVERHEAD SHEAVES
11 - SECTION 5 MACHINE ROOMS
11 - 5.1 GENERAL
11 - 5.2 MACHINE ROOM LOCATION RELATIVE TO LIFTWELL
11 - 5.3 COMMUNICATIONS
11 - 5.4 LIFT MOVEMENT OBSERVATION
14 - SECTION 6 ACCESS TO OVERHEAD SHEAVES
15 - SECTION 7 HYDRAULIC EQUIPMENT
15 - 7.1 GENERAL
15 - 7.2 RAMS
15 - 7.2.1 General
15 - 7.2.2 Material
15 - 7.2.3 Ram design
16 - 7.2.4 Ram connection
16 - 7.2.5 Ram joints
18 - 7.2.6 Ram stops
19 - 7.2.7 Car stops for upward travel
19 - 7.2.8 Ram ends subject to fluid pressure
19 - 7.2.9 Ram-follower guide
19 - 7.2.10 Head guide
19 - 7.3 CYLINDERS
19 - 7.3.1 Materials
19 - 7.3.2 Cylinder design
20 - 7.3.3 Clearance at bottom of cylinder
20 - 7.3.4 Cylinder and ram ends
20 - 7.3.5 Collection of oil leakage
20 - 7.3.6 Bleeding off air or gas
22 - 7.3.7 Cylinder protection
22 - 7.3.8 Cylinder restraint
22 - 7.3.9 Multiple cylinders
22 - 7.3.10 Multiple-axis telescoping cylinders
22 - 7.4 HYDRAULIC LINES
22 - 7.4.1 General
23 - 7.4.2 Rigid lines and fittings
23 - 7.4.3 Hoses
27 - 7.5 VALVES
27 - 7.5.1 General
27 - 7.5.2 Pump relief valve
27 - 7.5.3 Check valve
27 - 7.5.4 Door lock valve
28 - 7.5.5 Flow restriction (pipe rupture) valve
28 - 7.5.6 Manual operation
29 - 7.5.7 Low pressure device
29 - 7.5.8 Down direction valves
29 - 7.6 TANKS
29 - 7.6.1 Material
29 - 7.6.2 Capacity
29 - 7.6.3 Means for checking liquid level
29 - 7.6.4 Covers and venting
29 - 7.6.5 Factors of safety
29 - 7.7 AUXILIARY EQUIPMENT LOCATION
31 - 7.8 STORED ENERGY PUMPING SYSTEM
32 - SECTION 8 CLEARANCES FOR CARS AND COUNTERWEIGHTS
32 - 8.1 DIRECT-ACTING ELECTROHYDRAULIC LIFTS
32 - 8.1.1 Clearance at bottom of car
32 - 8.1.2 Car buffer clearance
32 - 8.1.3 Top overtravel
33 - 8.1.4 Top overtravel clearance
34 - 8.1.5 Standing area
34 - 8.1.6 Clearance at top of flying counterweight
34 - 8.1.7 Clearance at bottom of flying counterweight
34 - 8.2 SUSPENDED ELECTROHYDRAULIC LIFTS (INDIRECT)
34 - 8.2.1 Clearance at bottom of car
35 - 8.2.2 Car buffer clearance
35 - 8.2.3 Compressed ram clearance
35 - 8.2.4 Clearance above car with ram fully extended
35 - 8.2.5 Top overtravel
35 - 8.2.6 Clearance at top of flying counterweight
35 - 8.2.7 Clearance at bottom of flying counterweight
37 - SECTION 9 BUFFERS AND HOLDING DEVICES
37 - 9.1 CAR BUFFERS
37 - 9.1.1 General
37 - 9.1.2 Location
37 - 9.1.3 Solid buffers
38 - 9.1.4 Spring buffers
38 - 9.1.5 Oil buffers
40 - 9.1.6 Elastomer buffers
40 - 9.2 DEVICES TO HOLD CAR ABOVE LOWEST FLOOR
41 - 9.3 COUNTERWEIGHT BUFFERS
41 - 9.4 FLYING COUNTERWEIGHT BUFFERS
41 - 9.5 PAWL DEVICES
43 - SECTION 10 PITS
43 - 10.1 GENERAL
43 - 10.2 PITS NOT EXTENDING TO LOWEST FLOOR OF BUILDING
44 - SECTION 11 LIFTWELL ENCLOSURES
45 - SECTION 12 LANDING DOORS
45 - 12.1 PROVISION
45 - 12.2 GENERAL
45 - 12.3 CLOSING OF LANDING DOORS
45 - 12.3.1 General
45 - 12.3.2 Horizontally operated doors
45 - 12.3.3 Vertical sliding doors
45 - 12.3.4 Vertical bi-parting doors
46 - 12.3.5 Hinged doors
47 - SECTION 13 LOCKING OF LANDING DOORS
47 - 13.1 GENERAL
47 - 13.2 PARKING OF ATTENDANT-CONTROLLED CARS
47 - SECTION 14 DOOR LOCKS
48 - SECTION 15 CLEARANCES IN LIFTWELLS AND ENCLOSURES
48 - 15.1 GENERAL
48 - 15.2 FLUSHNESS OF LIFTWELL
48 - SECTION 16 PIPING, OR SIMILAR, IN LIFTWELLS OR MACHINE ROOMS
49 - SECTION 17 SUSPENSION MEANS
49 - 17.1 GENERAL
49 - 17.2 ROPE SUSPENSION
49 - 17.3 CHAIN SUSPENSION
49 - 17.3.1 General
49 - 17.3.2 Means
49 - 17.3.3 Number
49 - 17.3.4 Type
50 - 17.3.5 Anchorages
50 - 17.3.6 Factor of safety
50 - 17.3.7 Alignment
50 - 17.3.8 Equalizers
50 - 17.3.9 Chainwheels
51 - SECTION 18 ROPE ATTACHMENTS AND FITTINGS
51 - SECTION 19 SHEAVES AND PULLEYS
52 - SECTION 20 COUNTERWEIGHTS AND FLYING COUNTERWEIGHTS
52 - 20.1 GENERAL
52 - 20.2 PIT GUARDS
52 - 20.3 FLYING COUNTERWEIGHT OVERTRAVEL LIMIT SWITCH
52 - 20.4 MASS OF FLYING COUNTERWEIGHT
53 - SECTION 21 GUIDES FOR LIFT CARS AND COUNTERWEIGHTS
53 - 21.1 GENERAL
53 - 21.2 STRESSES AND DEFLECTIONS IN STEEL CAR GUIDE RAILS
53 - 21.2.1 Direct-acting lifts
53 - 21.2.2 Suspended lifts with safety gear
53 - 21.2.3 Cantilevered car retention
54 - SECTION 22 RATED CAR CAPACITY AND CLASSES OF LOADING
54 - SECTION 23 CAR CONSTRUCTION
54 - 23.1 GENERAL
54 - 23.2 CAR FRAMES FOR DIRECT-ACTING LIFTS
54 - SECTION 24 CAR DOORS
54 - SECTION 25 POWER OPERATION OF CAR AND LANDING DOORS
55 - SECTION 26 ELECTRICAL INSTALLATION
55 - 26.1 GENERAL
55 - 26.2 CONTROLLERS
56 - SECTION 27 EARTHING
56 - 27.1 GENERAL
56 - 27.2 ELECTRICAL APPARATUS INSTALLED ON CARS
57 - SECTION 28 PRECAUTIONS IN WIRING
57 - SECTION 29 OPERATING DEVICES AND CONTROL EQUIPMENT
57 - 29.1 GENERAL
57 - 29.2 OPERATING IN THE EVENT OF SUB-MAINS SUPPLY FAILURE
58 - SECTION 30 ELECTRICAL PROTECTIVE DEVICES
58 - 30.1 GENERAL
58 - 30.1.1 Compliance with AS 1735. 2
58 - 30.1.2 Variations from AS 1735. 2
58 - 30.2 TOP OVERTRAVEL LIMIT SWITCH
58 - 30.3 ANTI-CREEP LEVELLING DEVICE
58 - 30.4 NORMAL LIMIT SWITCHES
58 - 30.5 DOOR LOCK VALVE TEST SWITCH
58 - 30.6 FLYING COUNTERWEIGHT OVERTRAVEL LIMIT SWITCH
59 - 30.7 RECYCLING SYNCHRONIZATION
59 - 30.8 SLACK CHAIN SWITCH
60 - SECTION 31 TERMINAL STOPPING DEVICES
60 - 31.1 GENERAL
60 - 31.2 NORMAL LIMIT SWITCHES (SLOWING DOWN AND STOPPING)
60 - 31.2.1 General
60 - 31.2.2 Location
60 - 31.2.3 Switches in machine rooms
61 - 31.3 TOP OVERTRAVEL LIMIT SWITCHES
61 - 31.3.1 Operation
61 - 31.3.2 Setting
61 - 31.4 ANTI-CREEP LEVELLING DEVICE
61 - 31.5 FLYING COUNTERWEIGHT BOTTOM OVERTRAVEL LIMIT SWITCH
62 - SECTION 32 INDICATORS, ANNUNCIATORS, ALARMS, TELEPHONES AND THE LIKE
62 - SECTION 33 CAR AND COUNTERWEIGHT SAFETY GEAR
62 - 33.1 GENERAL
62 - 33.2 TRIPPING OF TYPE A SAFETY GEAR BY SAFETY ROPE
63 - SECTION 34 SPEED GOVERNORS
64 - SECTION 35 SAFETY DEVICE SELECTION
65 - APPENDIX A - NOTATION
66 - APPENDIX B - MEDIUM DENSITY POLYETHYLENE (MDPE)
67 - INDEX