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AS 2430.3-1991

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Classification of hazardous areas - Specific occupancies
Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

04-22-2023

Language(s)

English

Published date

01-01-1991

Publisher

Standards Australia

Preview

1 - AS 2430.3-1991 CLASSIFICATION OF HAZARDOUS AREAS - SPECIFIC OCCUPANCIES
4 - PREFACE
5 - CONTENTS
6 - 1 SCOPE
6 - 2 REFERENCED DOCUMENTS
6 - 3 DEFINITIONS
6 - 3.1 Area, hazardous
6 - 3.2 Area, non-hazardous
6 - 3.3 Authority, authority having jurisdiction
6 - 3.4 Capacity (of a tank or cylinder)
7 - 3.5 Gas capacity (of a tank or cylinder)
7 - 3.6 Metric standard conditions (MSC)
7 - 3.7 Vapour barrier
7 - 3.8 Drum
7 - 3.9 Pail
7 - 3.10 Cylinder
7 - 4 MEASUREMENT OF DISTANCES
7 - 5 VEHICLE WORKSHOPS
7 - 5.1 Scope of Clause
7 - 5.2 Dispensing pumps
7 - 5.3 Delineation of hazardous areas
7 - 5.3.1 At or above ground or street level
7 - 5.3.2 Below ground or street level
7 - 5.3.3 Pits or depressions
7 - 6 VEHICLE PARKING AREAS
7 - 6.1 Scope of Clause
7 - 6.2 Delineation of hazardous areas
7 - 6.2.1 At or above ground or street level
7 - 6.2.2 Below adjacent ground or street level
7 - 6.2.3 Lift wells
8 - 6.2.4 Depressions, pits or sumps
8 - 7 RESIDENTIAL GARAGES
8 - 7.1 Scope of Clause
8 - 7.2 Delineation of hazardous areas
8 - 7.2.1 At or above ground or street level
8 - 7.2.2 Below ground or street level
8 - 8 AIRCRAFT HANGARS
8 - 8.1 Scope of Clause
8 - 8.2 Delineation of hazardous areas
8 - 8.2.1 Pits or depressions
8 - 8.2.2 Hangars
8 - 8.2.3 Around alrcraft
8 - 8.2.4 Other areas
9 - 9 PETROL AND LP GAS DISPENSING STATIONS
9 - 9.1 Scope of Clause
9 - 9.2 Delineation of hazardous areas
9 - 9.2.1 Petrol dispensing units in outdoor locations
9 - 9.2.2 Petrol dispensing units in indoor locations
9 - 9.2.3 `Type A' LP gas dispensing devices in outdoor locations
10 - 9.2.4 Other LP gas dispensing devices in outdoor locations
11 - 9.2.5 Outlets of tank venting pipes
11 - 9.2.6 Other areas
11 - 10 MAJOR REFINERIES AND CHEMICAL PLANTS
11 - 10.1 Scope of Clause
11 - 10.2 Delineation of hazardous areas
11 - 10.2.1 Extent of hazardous areas
11 - 10.2.2 Open air situations
12 - 10.2.3 Enclosed premises and surrounding areas
13 - 10.2.4 Open premises and surrounding areas
14 - 10.2.5 Enclosed premises with plenum of safe atmosphere
14 - 11 FLAMMABLE LIQUIDS
14 - 11.1 Scope of Clause
14 - 11.2 Delineation of hazardous areas
14 - 11.2.1 Storage tank, above ground in open area
16 - 11.2.2 Underground storage tank
16 - 11.2.3 Drum or pail storage
16 - 11.2.4 Pump for flammable liquid transfer
16 - 11.2.5 Rail or road tanker filling-bottom loanding with vapour recovery
16 - 11.2.6 Rail or road tanker filling point-without vapour recovery
17 - 11.2.7 Garage for tank-vehicles, enclosed on more than on side
17 - 11.2.8 Drum or pail filling
17 - 11.2.9 Valves and fittings in liquid pipeline
17 - 11.2.10 Pits
17 - 11.2.11 Underground enclosures
17 - 12 HEAVIER-THAN-AIR FLAMMABLE GASES
17 - 12.1 Scope of Clause
18 - 12.2 Delineation of hazardous areas
18 - 12.2.1 Pressure storage tank
18 - 12.2.2 Tank filling or discharge connections
18 - 12.2.3 Gauging-vent valve on tank
18 - 12.2.4 Tabk safety relief valve
18 - 12.2.5 First stage regulator in connection with tank
18 - 12.2.6 Valve, flange or screwed connection
18 - 12.2.7 Stationary pumps
19 - 12.2.8 Compressors - Gas-air mixers
19 - 12.2.9 Bleed, vent or drain valve in liquid piping system
20 - 12.2.10 Pits containing pumps, compressors, regulators or valves in liquid or vapour lines, outdoors
20 - 12.2.11 Cylinder filling (other than in situ)
22 - 12.2.12 Cylinders installed for use, indoors
22 - 12.2.13 Cylinder storage, shed or building
22 - 12.2.14 Cylinders, outdoors, whether in storage or installed for use, exchange type
22 - 12.2.15 Cylinders, whether in storage or installed for use, outdoors, in situ fill type
23 - 13 LIGHTER-THAN-AIR FLAMMABLE GASES - GAS INDUSTRY CODES
23 - 13.1 Scope of Clause
23 - 13.2 Delineation of hazardous areas
23 - 13.2.1 General
23 - 13.2.2 Discharge points-vent pipe and relief valves
23 - 13.2.3 Pits
23 - 13.2.4 Cylinders, outdoors, where in storage or installed for use
23 - 13.2.5 Compressors
23 - 13.2.6 Vehicle filling hoses
23 - 13.2.7 Other areas
23 - 14 LIGHTER-THAN-AIR FLAMMABLE GASES - OTHER INSTALLATIONS
23 - 14.1 Scope of Clause
23 - 14.2 Delineation of hazardous areas
23 - 14.2.1 General
24 - 14.2.2 Enclosures
24 - 14.2.3 Gas equipment, outdoors
24 - 14.2.4 Gas equipment located in enclosed premises
24 - 14.2.5 Compressed gases in cylinders
26 - 15 FINISHING PROCESSES
26 - 15.1 Scope of Clause
26 - 15.2 Delineation of hazardous areas
26 - 15.2.1 Paint spraying and dipping
26 - 15.2.2 Drying and baking areas
26 - 15.2.3 Motor body workshops
26 - 15.2.4 Other areas
26 - 15.2.5 Powder coating
28 - 16 FLAMMABLE MEDICAL AGENTS
28 - 16.1 Scope of Clause
28 - 16.2 Delineation of hazardous areas
28 - 16.2.1 Storage of flammable medical agents
28 - 16.2.2 Anaesthetizing areas
28 - 17 FUME CUPBOARDS AND LABORATORIES
28 - 17.1 Scope of Clause
28 - 17.2 Delineation of hazardous areas
28 - 17.2.1 Fume cupboard
30 - 17.2.2 Laboratories where flammable liquids are used
30 - 18 FRUIT RIPENING ROOMS
30 - 18.1 Scope of Clause
30 - 18.2 Delineation of hazardous areas
30 - 19 SPECIAL INDUSTRIAL PROCESSES
30 - 19.1 Scope of Clause
30 - 19.2 Delineation of hazardous areas
30 - 19.2.1 Interior of equipment
31 - 19.2.2 In vicinity of open containers
32 - 19.2.3 In the vicinity of tightly enclosed equipment
32 - 19.2.4 Drycleaning equipment
32 - 19.2.5 Paint and similar materials
33 - 20 SEWAGE TREATMENT PLANTS AND SEWAGE PUMPING STATIONS
33 - 20.1 Scope of Clause
33 - 20.2 Delineation of hazardous areas
33 - 20.2.1 General
33 - 20.2.2 Open areas
34 - 20.2.3 Enclosed areas
34 - 20.2.4 Sewage pumping stations
34 - 20.2.5 Other areas
41 - APPENDIX A - FUME CUPBOARDS
41 - A1 SCOPE
41 - A2 EMERGENCY ISOLATOR
41 - A3 POWER FAILURE DISCONNECT DEVICE
41 - A4 WARNING
41 - A5 SUMP
41 - A6 EXHAUST SYSTEM
41 - A7 INSTALLATION OF GPOs

Provides guidance on the classification of several commonly occurring situations in which flammable liquids or gases are generated, processed, handled or stored and which are therefore potentially hazardous.

This Standard classifies specific hazardous areas. It covers several commonly occurring situations where the degree of hazard has been determined and the relevant authorities have agreed on the classifications to be used.The classifications given in this Standard may not apply to specific occupancies where (a) the quantity of release is either very large or very small;(b) the design of a particular plant does not comply with the appropriate Australian Standards; or(c) ventilation, use of inert gases, vapour barriers or other methods are used to reduce the extent or degree of risk of a particular hazardous area.In such situations, reference should be made to AS 2430.1.

Committee
MS-011
DocumentType
Standard
ISBN
0 7262 6862 3
Pages
36
ProductNote
See also AS/NZS 2430.3 series
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
IEC 60079-10:1972 Identical

Available SupersededUnder Revision See DR 95325 - DR 95332 (in part) First published in part as part of AS 1076.2-1977.AS 2430.1 first published 1981.AS 1072.6-1977 and AS 2430.1-1981 revised, amalgamated and designated AS 2430.1-1982.AS 2430.1-1982 revised and redesignated in part as AS 2430.3-1987.AS 1076.2 withdrawn 1983.Second edition AS 2430.3-1991. First published in part as part of AS 1076.2-1977. AS 2430.1 first published 1981. AS 1072.6-1977 and AS 2430.1-1981 revised, amalgamated and designated AS 2430.1-1982. AS 2430.1-1982 revised and redesignated in part as AS 2430.3-1987. AS 1076.2 withdrawn 1983. Second edition AS 2430.3-1991.

AS 2430.1-1987 Classification of hazardous areas - Explosive gas atmospheres
AS 2106-1980 Methods for the determination of the flashpoint of flammable liquids (closed cup)
AS 2746-1999 Working areas for gas-fuelled vehicles
AS 2030 SUPP 1-1986 Foreign gas cylinder specifications
AS 2229.2-1988 Electrical equipment for explosive atmospheres - Electrical systems of dispensing equipment Liquefied petroleum gas dispensing equipment
AS 1482-1985 Electrical equipment for explosive atmospheres - Protection by ventilation - Type of protection v (Reconfirmed 2013)

AS/NZS 1596:2002 The storage and handling of LP Gas
AS/NZS 4114.1:2003 Spray painting booths, designated spray painting areas and paint mixing rooms Design, construction and testing
AS 2359.12-1996 Powered industrial trucks Hazardous areas
AS 2381.1-1991 Electrical equipment for explosive atmospheres - Selection, installation and maintenance - General requirements
AS/NZS 2243.1:1997 Safety in laboratories - General
AS 3780-1994 The storage and handling of corrosive substances
AS/NZS 4114(INT):1993 Electrical equipment for explosive atmospheres - Spray painting booths - Design, construction, installation and maintenance
AS 2381.2-1993 Electrical equipment for explosive atmospheres - Selection, installation and maintenance - Flameproof enclosure d
SAA HB 9-1994 Occupational personal protection
AS 1418.1-2002 Cranes, hoists and winches General requirements
AS 4326-1995 The storage and handling of oxidizing agents
AS 2243.8-1992 Safety in laboratories - Fume cupboards
AS/NZS 3788:1996 Pressure equipment - In-service inspection
AS 2381.6-1993 Electrical equipment for explosive atmospheres - Selection, installation and maintenance Increased safety e
AS/NZS 1596:1997 Storage and handling of LP Gas
AS 2739-1992 Natural gas fuel systems for vehicle engines
AS/NZS 2243.2:1997 Safety in laboratories - Chemical aspects
AS/NZS 2381.1:2005 Electrical equipment for explosive gas atmospheres - Selection, installation and maintenance - General requirements
AS 1755-2000 Conveyors - Safety requirements
AS/NZS 3788:2006 Pressure equipment - In-service inspection (Reconfirmed 2017)
AS 2243.7-1991 Safety in laboratories - Electrical aspects
AS 5034-2005 Installation and use of inert gases for beverage dispensing
AS 3961-1991 Liquefied natural gas - Storage and handling
AS 2714-1993 The storage and handling of hazardous chemical materials - Class 5.2 substances (organic peroxides)
AS 1674.1-1997 Safety in welding and allied processes Fire precautions (Reconfirmed 2016)
AS/NZS 2381.2:2006 Electrical equipment for explosive atmospheres - Selection, installation and maintenance Flameproof enclosure d
MP 69-1993 Explosion-protected electrical equipment - Certification scheme - Policy
AS 2243.10-1993 Safety in laboratories - Storage of chemicals
AS/NZS 2243.2:2006 Safety in laboratories Chemical aspects
AS/NZS 4452:1997 The storage and handling of toxic substances
AS/NZS 2311:2000 Guide to the painting of buildings
AS 2359.1-1995 Powered industrial trucks - General requirements
AS/NZS 4114.2:1995 Spray painting booths - Selection, installation and maintenance

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Hardcopy - English
PDF 1 User - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
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