Standard
UPDATE AVAILABLE
AS 1735.4-1986
[Superseded]SAA Lift Code, Part 4: Service lifts - Power-operated
Sets out requirements for power-operated service lifts. Covers service lifts with rated speed not more than 1 m/s, rated load more than 12 kg, and internal car volume more than 0.06 m(sup)3(/sup).
Published: 07/04/1986
Pages: 37
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
PREFACE
1 SCOPE AND GENERAL
1.1 SCOPE
1.2 APPLICATION
1.3 REFERENCED DOCUMENTS
2 CLASSIFICATION AND TYPES
2.1 CLASSIFICATION
2.2 TYPES
2.2.1 Class 1 and Class 2 service lifts
2.2.2 Undercounter service lifts
3 SPEED, RATED LOAD, AND DIMENSIONS
3.1 CLASS 1 SERVICE LIFTS
3.2 CLASS 2 SERVICE LIFTS
3.3 UNDERCOUNTER SERVICE LIFTS
4 SUPPORTS
5 MACHINE ROOMS AND MACHINERY SPACES
5.1 PROVISION OF MACHINE ROOMS
5.2 ACCESS
5.3 EQUIPMENT ACCESSIBILITY
5.4 EXTERNAL MAINTENANCE PLATFORM
5.5 LADDERS
5.6 HEADROOM
5.6.1 Maintenance effected from within the machine room
5.6.2 Maintenance effected from outside the machine room
5.7 TEMPERATURE
5.8 LIGHTING
6 OVERHEAD SHEAVE ROOMS AND PLATFORMS
6.1 GENERAL
6.2 ACCESS AND HEADROOM
6.3 LIGHTING
7 MACHINES
7.1 RATED SPEED
7.2 TYPES
7.3 GEARED DRIVES
7.4 BELT DRIVES
7.5 SHEAVES, DRUMS, AND CHAIN WHEELS
7.6 HAND-WINDING
8 SHEAVES, DRUMS, CHAIN WHEELS, AND PULLEYS
8.1 MECHANICAL DESIGN
8.1.1 General
8.1.2 Grooving and flanges of traction sheaves and drums
8.1.3 Diversion of chains
8.2 MULTIPLYING SHEAVES
8.2.1 Guarding
8.2.2 Hand-hold
8.3 GUARDING OF NIP-POINTS
8.3.1 Overhead ropes and sheaves
8.3.2 Chains and chain wheels
8.3.2.1 Machine rooms
8.3.2.2 Liftwells
8.4 CHAIN KEEPER
9 SUSPENSION ROPES AND CHAINS
9.1 MATERIALS
9.2 NUMBER
9.3 FACTORS OF SAFETY
9.3.1 Rope
9.3.2 Chain
9.3.3 Calculation
9.4 DESIGNATION AND MEASUREMENT OF ROPE SIZE
9.5 SIZE OF ROPE
9.6 SIZE OF CHAIN
9.6.1 Pitch
9.6.2 Chain pin diameter
9.6.2.1 Class 1 service lifts
9.6.2.2 Class 2 service lifts
9.7 DATA PLATES
9.7.1 Wire rope
9.7.2 Chain
9.8 HANDLING AND CARE
10 ROPE AND CHAIN ATTACHMENTS AND FITTINGS
10.1 ROPES
10.2 CHAINS
10.3 LOAD EQUALIZING
10.3.1 Ropes
10.3.2 Chains
10.4 LENGTHENING OR REPAIRING OF ROPES AND CHAINS
11 LIFTWELLS
11.1 ENCLOSURES
11.2 PITS
11.3 ACCESS TO LIFTWELLS AND PITS
11.3.1 Maintenance access doors
11.3.2 Pit access
11.3.3 Door for pit-cleaning purposes
11.4 GUARDING
11.4.1 Between liftwell and adjacent machine room
11.4.2 Between lift car and its counterweight
11.4.3 Between counterweight and other lift cars
11.4.4 Between pit and adjacent pits
11.5 LIGHTING
11.5.1 Luminaires
11.5.2 Top-of-liftwell lighting
11.5.3 Pit lighting
12 LIFTWELL CLEARANCES AND FLUSHNESS
12.1 CLEARANCES BETWEEN CARS, COUNTERWEIGHTS, AND LIFTWELL ENCLOSURES
12.2 CLEARANCES BETWEEN CAR SILLS AND LIFTWELL SURFACE
12.3 CLEARANCES BETWEEN CAR SILLS AND LANDING SILLS
12.4 CLEARANCES BETWEEN CAR DOORS AND LANDING DOORS
12.5 CLEARANCES AT LANDING SILLS FOR HORIZONTALLY SLIDING OR HINGED LANDING DOORS
12.6 FLUSHNESS OF LIFTWELL FACING CAR ENTRANCES
12.6.1 General
12.6.2 Car door provided
12.6.3 Car door not provided
12.7 PROJECTIONS BEYOND LANDING SILLS
12.8 FLUSHNESS OF LIFTWELL NOT FACING CAR ENTRANCES
13 TOP AND BOTTOM CLEARANCES
13.1 CLASS 1 AND CLASS 2 SERVICE LIFTS
13.2 UNDERCOUNTER SERVICE LIFTS
14 GUIDE RAILS
14.1 PROVISION
14.2 MATERIAL
14.3 OVERALL LENGTH
14.4 CROSS-SECTION
14.5 JOINTS
14.6 SPACING OF FIXINGS
14.7 BRACKETS AND BUILDING SUPPORTS
14.7.1 Deflections
14.7.2 Bolts
14.7.3 Bolt holes
14.8 GAUGE TOLERANCE
15 GUIDE SHOES
15.1 PROVISION
15.2 TYPE
15.3 PLAY BETWEEN GUIDES
15.4 ENGAGEMENT
15.5 ADJUSTMENT
15.6 ROLLER GUIDE SHOES
16 BUFFERS AND STOPS
16.1 PROVISION AND TYPE
16.2 LOCATION
16.3 SOLID BUFFERS
16.4 SPRING BUFFERS
16.4.1 Stroke
16.4.2 Load rating
16.4.2.1 Pit not over occupiable space
16.4.2.2 Pit over occupiable space
16.4.3 Rating plate
16.4.4 Supports
16.5 OVERHEAD STOPS
17 SAFETY GEAR AND IMPACT-ABSORBING PIT GEAR
17.1 PROVISION AND TYPE
17.2 OCCUPIABLE SPACE UNDER PIT FLOOR
17.3 GENERAL REQUIREMENTS
17.4 LIMITS OF USE
17.4.1 General
17.4.2 Type A (instantaneous safety gear)
17.4.3 Endless chain suspension
17.5 MINIMUM FACTORS OF SAFETY AND STRESSES OF SAFETY GEAR PARTS
17.6 IMPACT-ABSORBING SPRINGS
17.7 IMPACT-ABSORBING FRICTION STOPS
17.8 LOCATION OF IMPACT-ABSORBING SPRINGS AND FRICTION STOPS
18 SPEED GOVERNORS
18.1 LOCATION
18.2 DESIGN
18.3 GOVERNOR ROPES
19 COUNTERWEIGHTS
19.1 APPLICATION
19.2 CONSTRUCTION
19.3 FACTOR OF SAFETY
19.4 GUIDING
19.5 GUARDING
20 CAR CONSTRUCTION
20.1 SUSPENSION ATTACHMENTS
20.1.1 Anchorages
20.1.2 Crosshead sheaves
20.2 GUIDING
20.3 FRAMES AND PLATFORMS
20.3.1 General
20.3.2 Construction
20.3.3 Design forces
20.3.4 Maximum permissible stress
20.3.5 Deflection
20.3.6 Materials
20.3.6.1 Types
20.3.6.2 Steel
20.3.6.3 Wood platform floors and joists
20.3.6.4 Protection of platform against fire
20.3.7 Fastening
20.4 PLATFORM GUARDS
20.5 SILLS
20.6 WALLS
20.6.1 Extent
20.6.2 Attachment
20.6.3 Deflection
20.7 ROOF
20.7.1 General
20.7.2 Prohibited material
20.7.3 Loading
20.7.4 Deflection
20.7.5 Car top standing area
20.7.6 Cut back or hinged flap
20.7.7 Front edge guard for car roof
20.8 LIGHTING
21 CAR DOORS
21.1 CLASS 2 SERVICE LIFTS
21.2 CLASS 1 AND UNDERCOUNTER SERVICE LIFTS
21.3 NUMBER OF CAR ENTRANCES
21.4 SIZE
21.5 TYPE
21.6 MATERIAL
21.7 STRENGTH
21.8 DOOR GUIDES PROJECTING ABOVE CAR ROOF
21.9 CLEARANCE
21.10 VERTICALLY OPERATING CAR DOORS
21.11 SUSPENSION
21.12 COUNTERWEIGHTS
21.13 HANDGRIPS
22 LANDING DOORS
22.1 PROVISION
22.2 MATERIAL
22.2.1 General
22.2.2 Fire-resistance rating
22.3 CONSTRUCTION
22.3.1 Strength
22.3.2 Handgrips on doors
22.3.3 Horizontally sliding doors
22.3.4 Vertically sliding doors
22.3.5 Hinged doors
22.3.6 Openings
22.3.6.1 Width
22.3.6.2 Height
22.4 SMOOTHNESS OF SLIDING LANDING DOOR SURFACES
22.5 SUPPORT AND GUIDING
22.6 COUNTERBALANCING
22.6.1 Requirement
22.6.2 Trimming weights
22.6.3 Suspension
22.7 DOOR COUNTERWEIGHTS
22.8 LOCKING OUT OF SERVICE
22.8.1 Manually operated doors
22.8.2 Power-operated doors
22.9 VISION PANELS
23 POWER OPERATION OF CAR DOORS AND LANDING DOORS
23.1 TYPES OF DOOR
23.2 POWER OPENING
23.3 POWER CLOSING
23.4 KINETIC ENERGY AND FORCE LIMITATIONS
23.5 OPERATOR-PROTECTION DEVICE
23.6 MAXIMUM OPENING AND CLOSING SPEEDS
24 LOCKING OF LANDING DOORS
24.1 PROVISION
24.2 VERTICALLY BI-PARTING DOORS
24.3 LOCK ACCESSIBILITY
24.4 MAINTENANCE AND EMERGENCY DOOR UNLOCKING DEVICE
25 ELECTRICAL INSTALLATION—GENERAL
25.1 COMPLIANCE
25.2 CIRCUIT-BREAKER OR SWITCH
25.3 RECTIFYING UNITS
25.4 LOCATION OF CONTROLLERS
25.5 CLEARANCE AROUND CONTROLLERS
25.6 PREVENTION OF CONTACT WITH LIVE PARTS
25.7 LIGHT SWITCHES
26 WIRING
26.1 GENERAL
26.1.1 Supply
26.1.2 Installation
26.1.3 Wiring systems
26.2 LIFTWELLS
26.3 CARS
26.4 TRAVELLING CABLES
27 EARTHING
27.1 GENERAL
27.2 ELECTRICAL APPARATUS INSTALLED ON LIFT CARS
27.3 BELL AND INDICATOR TRANSFORMERS
28 CONTROL EQUIPMENT
28.1 GENERAL
28.2 CONTROL AND OPERATING CIRCUIT
28.3 NON-REVERSING CONTROL
28.4 DRIVING MACHINE BRAKES
28.5 CONTROL BUTTONS
28.6 STOP SWITCHES
28.7 INDICATION OF CAR POSITION
29 ELECTRIC PROTECTIVE DEVICES
29.1 LANDING DOOR CONTACTS
29.2 DOOR LOCK CIRCUITS
29.3 CAR DOOR CONTACTS
29.4 LIFTWELL ACCESS DOOR SWITCH
29.5 PIT STOP SWITCH
29.6 CAR TOP STOP SWITCH
29.7 SHEAVE ROOM OR PLATFORM STOP SWITCH
29.8 LIFTWELL FLAP SWITCH
29.9 SLACK ROPE SWITCH
29.10 BROKEN ROPE SWITCH
29.11 BROKEN TAPE SWITCH
29.12 SAFETY GEAR SWITCH
29.13 GOVERNOR SWITCH
29.14 OVERTIME SWITCH
29.15 IMPACT-ABSORBING FRICTION-STOP SWITCH
29.16 COMPENSATING SHEAVE SWITCH
30 TERMINALS TOPPING DEVICES
30.1 NORMAL LIMIT SWITCHES
30.2 OVERTRAVEL LIMIT SWITCHES
30.2.1 General requirements
30.2.2 Main current non-directional
30.2.3 Main current directional
30.2.4 Potential
30.2.5 Control current
31 TELEPHONES, NOTICES, AND NUMBERING OF LIFTS
31.1 COMMUNICATION WITH MACHINE ROOM
31.1.1 Provision
31.1.2 Jacks
31.2 LOAD NOTICES
31.3 NUMBERING
32 PROHIBITED EQUIPMENT
33 MAINTENANCE
APPENDIX A
APPENDIX B
INDEX
Cited references in this standard
[Superseded]
Approval and test specification — Electric cables — Elastomer insulated — For working voltages up to and including 0.6/1 kV
AS 1530
Methods for Fire Tests on Building Material, Components and Structures, Part 1—Combustibility Test for Materials
Content history
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[Superseded]
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