Standard
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AS 1674.1:2025
[Current]Safety in welding and allied processes, Part 1: Fire precautions
AS 1674.1:2025 specifies requirements for the reduction of fire and explosion risks associated with the performance of welding and other hot work activities in hazardous environments
Published: 24/01/2025
Pages: 31
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope and general
1.1 Scope
1.2 Normative references
1.3 Terms and definitions
2 General precautions
2.1 Supervision
2.2 Risk assessment
2.3 Site inspection and location
2.4 Welding work sites
2.5 Hazards
2.5.1 Off-cuts and electrode stubs
2.5.2 Timber
2.5.3 Rope
2.5.3.1 General
2.5.3.2 Rope access systems
2.5.4 Pipe lagging
2.5.5 Other materials
2.5.6 Grass fires and bushfires
2.5.7 Protective guards
2.5.8 Personal protective equipment
2.5.9 Contaminants
3 Hazardous areas
3.1 General
3.2 Before performing hot work
3.3 Tests
3.4 Hot-work permit
3.5 Firewatching
3.6 Carrying out hot work
4 Hot work equipment
4.1 Arc cutting and welding equipment
4.2 Gas cutting, heating and welding equipment
4.3 Brazing and soldering equipment
4.4 Lighting of blowpipes
4.5 Grinding machines
4.6 Power-operated equipment
4.7 Lighting and extension leads
4.8 Electrical protection
5 Fire protection
5.1 General provisions
5.2 Fixed fire-protection installations
5.3 Final inspection
6 After fire has occurred
Appendix A
A.1 Scope
A.2 Hot-work area
A.3 Safe atmospheres
A.4 Purging
A.5 Housekeeping
A.6 Sewers and drains
A.7 Sources of leaks
A.8 Venting
A.9 Firefighting equipment
A.10 Firewatchers and other personnel
A.11 Contaminated ground
A.12 Pumps and valve glands
A.13 Wind
A.14 Movement of traffic
A.15 Refuelling engines
A.16 Opening of drains
A.17 Flammable liquids
A.18 Welding equipment
A.19 Shielding
A.20 Job completion
A.21 Hot tapping
A.22 Thermal lancing (gouging)
A.23 Grinding operations
A.24 Stored energy
A.25 Examples of hazardous areas
Appendix B
Appendix C
Appendix D
D.1 Management of risk
D.2 Hazardous conditions
D.3 Preparations
D.4 Methods of cleaning equipment
D.4.1 General
D.4.2 Water washing
D.4.3 Steam cleaning
D.4.4 Hot chemical solution
D.4.5 Mechanical cleaning
D.4.6 Chemical cleaning
D.4.7 Purging
D.4.8 Other methods
Bibliography
Cited references in this standard
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