Standard
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AS 1674.1-1997
[Current]Safety in welding and allied processes, Part 1: Fire precautions
Specifies precautions to be taken prior to and during hot work (including welding and allied processes), to prevent the possibility of fire or explosion, which may result in harm to persons or property. In particular, such precautions apply to hot work during manufacturing, construction, maintenance, repairs, demolition and where plant or equipment has contained flammable, combustible or explosive material. Measures for the protection of operators against electric shock, asphyxiation, poisoning and other hazards are not covered by this Standard, which also does not deal with protective clothing. Although primarily oriented to hot work that is related to welding and allied processes, This Standard can generally be applied to other forms of ignition sources in hazardous areas.
Published: 05/09/1997
Pages: 19
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
PREFACE
1 SCOPE AND GENERAL
1.1 SCOPE
1.2 REFERENCED DOCUMENTS
1.3 DEFINITIONS
2 GENERAL PRECAUTIONS
2.1 SUPERVISION
2.2 HAZARDOUS AREAS
2.3 CONFINED SPACES
2.4 INSPECTION OF SITE
2.5 LOCATION
2.6 WELDING WORKSHOPS
2.7 OFF-CUTS AND ELECTRODE STUBS
2.8 TIMBER
2.9 ROPE
2.10 OTHER MATERIALS
2.11 GRASS FIRES AND BUSHFIRES
2.12 PROTECTIVE GUARDS
2.13 CONTAMINANTS
3 HAZARDOUS AREAS
3.1 GENERAL
3.2 RESPONSIBLE OFFICER
3.3 BEFORE PERFORMING HOT WORK
3.4 TESTS
3.5 HOT-WORK PERMIT
3.6 FIREWATCHING
3.7 CONDUCT OF WORK
4 HOT-WORK EQUIPMENT
4.1 ARC CUTTING AND WELDING EQUIPMENT
4.2 GAS CUTTING, HEATING AND WELDING EQUIPMENT
4.3 LIGHTING OF BLOWPIPES
4.4 GRINDING MACHINES
4.5 POWER-OPERATED EQUIPMENT
4.6 LIGHTING AND EXTENSION LEADS
4.7 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
A1 SCOPE
A2 HOT-WORK AREA
A3 SAFE ATMOSPHERES
A4 PURGING
A5 HOUSEKEEPING
A6 SEWERS AND DRAINS
A7 SOURCES OF LEAKS
A8 VENTING
A9 FIREFIGHTING EQUIPMENT
A10 FIREWATCHERS AND OTHER PERSONNEL
A11 CONTAMINATED GROUND
A12 PUMPS AND VALVE GLANDS
A13 WIND
A14 MOVEMENT OF TRAFFIC
A15 REFUELLING ENGINES
A16 OPENING OF DRAINS
A17 FLAMMABLE LIQUIDS
A18 WELDING EQUIPMENT
A19 SHIELDING
A20 JOB COMPLETION
A21 SPECIAL OPERATIONS
APPENDIX B
APPENDIX C
C1 GENERAL
C2 HAZARDOUS CONDITIONS
C3 PREPARATIONS
C4 METHODS OF CLEANING EQUIPMENT
C4.1 General
C4.2 Water washing
C4.3 Steam cleaning
C4.4 Hot chemical solution
C4.5 Mechanical cleaning
C4.6 Chemical cleaning
C4.7 Purging
C4.8 Other methods
Cited references in this standard
[Superseded]
Combustible gas detection instruments for use in explosive atmospheres, Part 2: Performance requirements
[Superseded]
Combustible gas detection instruments for use in explosive atmospheres, Part 1: General requirements for explosion protection of electrical apparatus and systems
[Superseded]
LP Gas — Storage and handling — Siting of LP Gas automotive retail outlets (Supplement to AS 1596-1989)
[Superseded]
Maintenance of fire protection equipment, Part 1: Portable fire extinguishers and fire blankets
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