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  • AS/NZS 2430.3.1:2004

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    Classification of hazardous areas - Examples of area classification - General

    Available format(s):  Hardcopy, PDF 1 User, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Superseded date:  25-06-2021

    Language(s): 

    Published date:  01-01-2004

    Publisher:  Standards Australia

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    Scope - (Show below) - (Hide below)

    This Standard provides examples of area classification and is based on the internationally accepted concept which recognizes the different degrees of probability with which explosive (flammable) concentrations of flammable gas or vapour may arise in installations in terms of both the frequency of occurrence and the probable duration of existence on each occasion. The recommended classifications of this Standard are based on the assumption that plant and equipment are adequately maintained. The Standard is part of a series which recommends the classifications of several commonly occurring situations. NOTE: Appendix A provides methods of classification. This Standard details general matters which must be taken into account when using any other of the AS/NZS 2430.3 series of Standards for the purpose of conducting an area classification. This Standard covers risks due to both fire and explosion. The examples in this Standard may not apply to specific occupancies where— (a) the quantity of release is either very large or very small, in such cases dispersion calculations may be required; (b) the design of a particular plant does not comply with the appropriate Australian or New Zealand 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 all cases classification may be made using the fundamental principles detailed in AS/NZS 60079.10. In general, classifications in accordance with the following codes are acceptable, subject to any additional provisions or modifications as required by the authority: (i) UK IP (Institute of Petroleum), Model Code of Safe Practice for the Petroleum Industry, Part 15: Area Classification Code for Installations Handling Flammable Fluids. (ii) API (American Petroleum Institute) RP 505, Recommended Practice for ‘Classification of Locations for Electrical Installations at Petroleum Facilities classified as Class I, Zone , Zone 1 and Zone 2’. (iii) BS 5908, Code of practice for fire precautions in the chemical and allied industries. Attention is drawn to the fact that an area classified non-hazardous, in accordance with this Standard, may not necessarily be safe in all respects, e.g. toxic and chemical hazards. Unless otherwise specified, the classifications given throughout this Standard are based on the ventilation criteria given in Appendix B.

    General Product Information - (Show below) - (Hide below)

    Committee MS-011
    Document Type Standard
    Publisher Standards Australia
    Status Superseded
    Superseded By
    Supersedes

    History - (Show below) - (Hide below)

    First published in Australia as part of AS 1076.2-1977.
    AS 2430.1 first published 1981.
    AS 1076.2-1977 and AS 2430.1-1981 revised, amalgamated and redesignated AS 2430.1-1982.
    AS 2430.1-1982 revised and redesignated in part as AS 2430.3-1987.
    Second edition 1991.
    First published in New Zealand as part of NZS 6101P:1972.
    Revised and redesignated in part as NZS 6101.3:1991.
    AS 2430.3-1991 and NZS 6101.3:1991 revised, amalgamated and redesignated in part as AS/NZS 2430.3.1:1997.
    Second edition 2004. First published in Australia as part of AS 1076.2-1977. AS 2430.1 first published 1981. AS 1076.2-1977 and AS 2430.1-1981 revised, amalgamated and redesignated AS 2430.1-1982. AS 2430.1-1982 revised and redesignated in part as AS 2430.3-1987. Second edition 1991. First published in New Zealand as part of NZS 6101P:1972. Revised and redesignated in part as NZS 6101.3:1991. AS 2430.3-1991 and NZS 6101.3:1991 revised, amalgamated and redesignated in part as AS/NZS 2430.3.1:1997. Second edition 2004.

    Standards Referenced By This Book - (Show below) - (Hide below)

    AS 2030.1-1999 The verification, filling, inspection, testing and maintenance of cylinders for storage and transport of compressed gases - Cylinders for compressed gases other than acetylene
    AS 1482-1985 Electrical equipment for explosive atmospheres - Protection by ventilation - Type of protection v
    AS/NZS 2430.3.5:1997 Classification of hazardous areas - Examples of area classification - Refineries and major processing plants
    AS/NZS 60079.10:2004 Electrical apparatus for explosive gas atmospheres Classification of hazardous areas (IEC 60079-10:2002 MOD)
    AS 2030 SUPP 1-1986 Foreign gas cylinder specifications
    AS 2030.2-1996 The verification, filling, inspection, testing and maintenance of cylinders for the storage and transport of compressed gases Cylinders for dissolved acetylene
    AS 1940-1993 The storage and handling of flammable and combustible liquids
    AS 2030.4-1985 The verification, filling, inspection, testing and maintenance of cylinders for storage and transport of compressed gases Welded cylinders - Insulated

    Standards Referencing This Book - (Show below) - (Hide below)

    AS 4976-2008 The removal and disposal of underground petroleum storage tanks
    AS/NZS 3833:2007 The storage and handling of mixed classes of dangerous goods, in packages and intermediate bulk containers
    AS/NZS 1596:2002 The storage and handling of LP Gas
    AS/NZS 2311:2009 Guide to the painting of buildings
    AS/NZS 2430.3.9:2004 Classification of hazardous areas Examples of area classification - Miscellaneous
    HB 29-2007 Communications cabling manual - Module 2: Communications cabling handbook
    AS 5601-2004 Gas installations
    AS 4326-2008 The storage and handling of oxidizing agents
    AS/NZS 2243.10:2004 Safety in laboratories Storage of chemicals
    AS/NZS 1768:2007 Lightning protection
    AS/NZS 2430.3.4:2004 Classification of hazardous areas - Examples of area classification - Flammable gases
    AS 3961-2005 The storage and handling of liquefied natural gas
    AS 2400.5-2005 Packaging Temporary corrosion protection
    AS/NZS 60079.10:2004 Electrical apparatus for explosive gas atmospheres Classification of hazardous areas (IEC 60079-10:2002 MOD)
    AS/NZS 2430.3.2:2004 Classification of hazardous areas - Examples of area classification - Vehicle workshops, vehicle parking, fuel dispensing stations and aircraft hangars
    AS/NZS 4114.2:2003 Spray painting booths, designated spray painting areas and paint mixing rooms - Installation and maintenance
    AS/NZS 2430.3.7:2004 Classification of hazardous areas Examples of area classification - Landfill gas, sewage treatment and sewage pumping plants
    AS/NZS 4645.1:2008 Gas distribution networks Network management
    AS 2714-2008 The storage and handling of organic peroxides (Reconfirmed 2021)
    AS/NZS 2430.3.5:2004 Classification of hazardous areas Examples of area classification - Refineries and major processing plants
    AS/NZS 3000:2007 Electrical installations (known as the Australian/New Zealand Wiring Rules)
    AS 3780-2008 The storage and handling of corrosive substances
    AS/NZS 60079.30.2:2007 Explosive atmospheres Electrical resistance trace heating - Application guide for design, installation and maintenance (IEC 60079-30-2, Ed. 1.0 (2007) MOD)
    AS 2885.1-2007 Pipelines - Gas and liquid petroleum - Design and construction
    AS/NZS 4240.1:2009 Remote control systems for mining equipment Design, construction, testing, installation and commissioning (Reconfirmed 2021)
    AS/NZS 2381.1:2005 Electrical equipment for explosive gas atmospheres - Selection, installation and maintenance - General requirements
    AS/NZS 2430.3.8:2004 Classification of hazardous areas Examples of area classification - Surface coatings and adhesives
    AS/NZS 2967:2014 Optical fibre communication cabling systems safety
    AS/NZS 3788:2006 Pressure equipment - In-service inspection
    AS 5034-2005 Installation and use of inert gases for beverage dispensing
    AS/NZS 2430.3.6:2004 Classification of hazardous areas Examples of area classification - Laboratories, including fume cupboards and flammable medical agents
    HB 13-2007 Electrical equipment for hazardous areas
    AS 2832.2-2003 Cathodic protection of metals Compact buried structures
    AS/NZS 2430.3.3:2004 Classification of hazardous areas - Examples of area classification - Flammable liquids
    AS/NZS 2381.2:2006 Electrical equipment for explosive atmospheres - Selection, installation and maintenance - Flameproof enclosure d
    AS 2601-2001 The demolition of structures
    AS/NZS 2243.2:2006 Safety in laboratories Chemical aspects
    AS 2885.1-2012 Pipelines - Gas and liquid petroleum-Design and construction
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