ISO 12480-3:2020
Cranes — Safe use — Part 3: Tower cranes
This document establishes required practices for the safe use of tower cranes.
Subjects covered include safe systems of work, management, planning, selection, erection and dismantling, special base, operation and maintenance of cranes and the selection of operators, slingers and signalers.
It does not cover manually (non-powered) operated cranes, or cranes in which at least one of its motions is manually operated.
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Management of the lifting operation
4.1 Safety system work
4.2 Control of the crane operation
5 Selection, responsibilities and minimum requirements of personnel
5.1 General
5.2 Duties of the person appointed to control the crane operation (the appointed person)
5.3 Crane operator
5.4 Slinger (Rigger)
5.5 Signaler
5.6 Crane erector
5.7 Maintenance personnel
5.8 Inspection personnel/crane inspector (for “routine periodic inspection”)
5.8.1 Duties
5.8.2 Minimum requirements
5.9 Crane coordinator (Lift director)
5.9.1 Duties
5.9.2 Minimum provisions
5.10 Crane erection supervisor
5.10.1 Duties
5.10.2 Minimum provisions
5.11 Other particulars
6 Safety
6.1 General
6.2 Identification of signal person directing crane movements
6.3 Personal safety equipment
6.4 Use of personal protective equipment
6.5 Access
6.5.1 General
6.5.2 Boarding and leaving the crane
6.5.3 Instruction of personnel
6.5.4 Jib and counter jib access
6.5.5 Cab safety
6.6 Fire extinguishers
6.7 Documentation
6.8 Crane operator's aids
6.9 Other safety provisions
6.9.1 Crane earthing
6.9.2 Ballast
6.9.3 Alarms
6.9.4 Signboards
7 Selection of tower cranes
8 Erecting of tower cranes
8.1 General
8.2 Crane standing or support conditions
8.2.1 General
8.2.2 Tower crane foundations
8.3 Proximity hazards
9 Erecting, dismantling and alteration of height
9.1 Planning
9.2 Identification of components
9.3 Electrical supply
9.4 Personnel
9.5 Control
9.6 Inspection before erection
9.7 Weather
9.8 Manufacturer's erection, alteration of height and dismantling instructions
9.9 Tower crane climbing
9.9.1 General
9.9.2 Planning the climbing operation
9.9.3 Appointed person
9.9.4 Erection supervisor
9.9.5 Re-commissioning the crane upon completion of the climbing operation
9.10 Components and materials
9.10.1 Interchangeability of components
9.10.2 Materials
10 Procedures and precautions
10.1 Crane operation
10.2 Working on cranes
10.2.1 General
10.2.2 Permit to work system
10.2.3 Periodic inspections
10.2.4 Regular inspections
10.2.5 Condition monitoring
10.3 Reporting of defects and incidents
10.4 Leaving the crane
10.5 Working at heights
11 Operating conditions
11.1 Rated capacity
11.2 Operation and control
11.3 Handling of loads near persons
11.4 Multiple lifting
11.5 Special duties
11.5.1 General
11.5.2 Grabbing and magnet crane service
11.5.3 Demolition and other special operations
11.6 Weather conditions
11.6.1 General
11.6.2 Wind
11.6.3 Visibility
11.6.4 Rain, snow or ice
11.6.5 Inspection following adverse weather conditions
12 Slinging and handling of loads
13 Raising and lowering of persons
14 Tests, inspections and condition monitoring
14.1 General
14.2 Personnel safety
15 Signalling systems
15.1 General
15.2 Radio communications
Annex A (normative) Requirements for provision of working space limiters and anti-collision devices
Annex B (informative) Tower crane climbing operations
Bibliography
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Management of the lifting operation
4.1 Safety system work
4.2 Control of the crane operation
5 Selection, responsibilities and minimum requirements of personnel
5.1 General
5.2 Duties of the person appointed to control the crane operation (the appointed person)
5.3 Crane operator
5.4 Slinger (Rigger)
5.5 Signaler
5.6 Crane erector
5.7 Maintenance personnel
5.8 Inspection personnel/crane inspector (for “routine periodic inspection”)
5.8.1 Duties
5.8.2 Minimum requirements
5.9 Crane coordinator (Lift director)
5.9.1 Duties
5.9.2 Minimum provisions
5.10 Crane erection supervisor
5.10.1 Duties
5.10.2 Minimum provisions
5.11 Other particulars
6 Safety
6.1 General
6.2 Identification of signal person directing crane movements
6.3 Personal safety equipment
6.4 Use of personal protective equipment
6.5 Access
6.5.1 General
6.5.2 Boarding and leaving the crane
6.5.3 Instruction of personnel
6.5.4 Jib and counter jib access
6.5.5 Cab safety
6.6 Fire extinguishers
6.7 Documentation
6.8 Crane operator's aids
6.9 Other safety provisions
6.9.1 Crane earthing
6.9.2 Ballast
6.9.3 Alarms
6.9.4 Signboards
7 Selection of tower cranes
8 Erecting of tower cranes
8.1 General
8.2 Crane standing or support conditions
8.2.1 General
8.2.2 Tower crane foundations
8.3 Proximity hazards
9 Erecting, dismantling and alteration of height
9.1 Planning
9.2 Identification of components
9.3 Electrical supply
9.4 Personnel
9.5 Control
9.6 Inspection before erection
9.7 Weather
9.8 Manufacturer's erection, alteration of height and dismantling instructions
9.9 Tower crane climbing
9.9.1 General
9.9.2 Planning the climbing operation
9.9.3 Appointed person
9.9.4 Erection supervisor
9.9.5 Re-commissioning the crane upon completion of the climbing operation
9.10 Components and materials
9.10.1 Interchangeability of components
9.10.2 Materials
10 Procedures and precautions
10.1 Crane operation
10.2 Working on cranes
10.2.1 General
10.2.2 Permit to work system
10.2.3 Periodic inspections
10.2.4 Regular inspections
10.2.5 Condition monitoring
10.3 Reporting of defects and incidents
10.4 Leaving the crane
10.5 Working at heights
11 Operating conditions
11.1 Rated capacity
11.2 Operation and control
11.3 Handling of loads near persons
11.4 Multiple lifting
11.5 Special duties
11.5.1 General
11.5.2 Grabbing and magnet crane service
11.5.3 Demolition and other special operations
11.6 Weather conditions
11.6.1 General
11.6.2 Wind
11.6.3 Visibility
11.6.4 Rain, snow or ice
11.6.5 Inspection following adverse weather conditions
12 Slinging and handling of loads
13 Raising and lowering of persons
14 Tests, inspections and condition monitoring
14.1 General
14.2 Personnel safety
15 Signalling systems
15.1 General
15.2 Radio communications
Annex A (normative) Requirements for provision of working space limiters and anti-collision devices
Annex B (informative) Tower crane climbing operations
Bibliography