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  • AS 2832.3-2005

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    Cathodic protection of metals Fixed immersed structures

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

    Language(s):  English

    Published date:  22-11-2005

    Publisher:  Standards Australia

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    Abstract - (Show below) - (Hide below)

    Specifies requirements for the cathodic protection of external surfaces of fixed immersed structures, including offshore platforms, wharves, jetties, pontoons, sewage treatment plants, water treatment plants, lock gates, pump station piles in rivers, weirs, mooring buoys, piling, foundations and water inlet/outlet structures.

    Scope - (Show below) - (Hide below)

    This Standard specifies requirements for the cathodic protection of external surfaces of fixed immersed structures, including offshore platforms, wharves, jetties, pontoons, sewage treatment plants, water treatment plants, lock gates, dam gates, pump station piles in rivers, weirs, mooring buoys, piling, foundations and water inlet/outlet structures.Whilst fixed immersed structures are rarely affected by stray direct traction currents, there are some significant examples where this does occur and where mitigation is required. Examples of affected fixed immersed structures are underwater tunnels and electrically continuous sheet piling along water-ways and harbours.This Standard does not apply to steel in concrete structures, see AS2832.5.The Standard specifically covers the following subjects which relate to cathodic protection: The design of structures requiring cathodic protection.Coatings for use on immersed metal structures.Criteria for the choice of cathodic protection potential.The design of cathodic protection systems.The installation of cathodic protection systems.The control of interference currents on foreign structures.The cathodic protection of structures subject to stray direct current.The operation and maintenance of cathodic protection systems.This Standard employs conventional (positive) current flow, for consistency with accepted practice, and uses the potential sign conventions specified in AS1852. In order to understand the various electrochemical reactions that occur at electrodes during cathodic protection, it should be recognized that electron flow occurs in the opposite direction to conventional current flow.Guidance on the general use and design of cathodic protection systems and factors affecting the corrosion of immersed metallic structures are given in Appendix A.This Standard employs positive current flow. The international convention is that the potential of an electrode is measured with respect to the potential of an electrode situated in the electrolyte. In the absence of cathodic protection, positive current in a corroding system flows through the electrolyte from the more negative to the more positive portion of the circuit. The aim of cathodic protection is to move the potential of the structure in the negative direction so that positive current flows on to it.

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

    Committee MT-014
    Document Type Standard
    Product Note Reconfirmed 29/07/2016.
    This standard has been reconfirmed in Australia in 2016 and remains current in New Zealand. <a href="https://infostore.saiglobal.com/PDFReconfirmed/2832.3-2005_reconfirm.pdf">Reconfirmation Notice 29/07/2016</a>
    Publisher Standards Australia
    Status Current
    Supersedes

    History - (Show below) - (Hide below)

    First published as AS 2832.3-1992.
    Second edition 2005.
    Reconfirmed 2016.
    Originated as AS 2832.3-1992. Second edition 2005.

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

    AS 1852.602-1988 International electrotechnical vocabulary - Generation, transmission and distribution of electricity - Generation
    AS 1852.605-1988 International electrotechnical vocabulary - Generation, transmission and distribution of electricity - Substations
    AS 1852.845-1989 International electrotechnical vocabulary - Lighting
    AS 1852.531-1975 International electrotechnical vocabulary - Electronic tubes
    AS/NZS 60079.10:2004 Electrical apparatus for explosive gas atmospheres Classification of hazardous areas (IEC 60079-10:2002 MOD)
    AS/NZS 60479.1:2002 Effects of current on human beings and livestock General aspects
    AS/NZS 61558.1:2000 Safety of power transformers, power supply units and similar General requirements and tests (IEC 61558-1 Ed 1.1, MOD)
    AS/NZS 61558.2.5:2003 Safety of power transformers, power supply units and similar Particular requirements for shaver transformers (IEC 61558-2-5:1997, MOD)
    AS 1852.302-1988 International electrotechnical vocabulary - Electrical measuring instruments
    AS 1852.841-1988 International electrotechnical vocabulary - Industrial electroheating
    AS 1852.471-1988 International electrotechnical vocabulary - Insulators
    AS/NZS 2053.7:2002 Conduits and fittings for electrical installations Rigid metal conduits and fittings
    AS/NZS 2053.1:2001 Conduits and fittings for electrical installations General requirements
    AS/NZS 2053.4:1995 Conduits and fittings for electrical installations Flexible plain conduits and fittings of insulating material
    AS 1627.4-2002 Metal finishing - Preparation and pretreatment of surfaces - Abrasive blast cleaning
    AS 1852.151-1988 International electrotechnical vocabulary - Electric and magnetic devices
    AS/NZS 61558.2.23:2001 Safety of power transformers, power supply units and similar devices Particular requirements for transformers for construction sites (IEC 61558-2-23:2000, MOD)
    AS/NZS 61558.2.8:2001 Safety of power transformers, power supply units and similar Particular requirements for bell and chime transformers (IEC 61558-2-8:1998, IDT)
    AS 1852.604-1988 International electrotechnical vocabulary - Generation, transmission and distribution of electricity - Operation
    AS/NZS 2053.6:2001 Conduits and fittings for electrical installations Profile-wall, smooth-bore conduits and fittings of insulating material
    AS 2239-2003 Galvanic (sacrificial) anodes for cathodic protection
    AS 1852.691-1975 International electrotechnical vocabulary - Tariffs for electricity
    AS 1852.701-1990 International electrotechnical vocabulary - Telecommunications, channels and networks
    AS 1852.551-1983 International electrotechnical vocabulary - Power electronics
    AS 2053-1984 Non-metallic conduits and fittings
    AS 1852.826-1983 International electrotechnical vocabulary - Electrical installations of buildings
    AS/NZS 2053.2:2001 Conduits and fittings for electrical installations Rigid plain conduits and fittings of insulating material
    AS 1852.303-1988 International electrotechnical vocabulary - Electronic measuring instruments
    AS 1852.301-1988 International electrotechnical vocabulary General terms on measurements in electricity
    AS/NZS 1020:1995 The control of undesirable static electricity
    AS/NZS 3100:2002 Approval and test specification - General requirements for electrical equipment
    AS 1627.2-2002 Metal finishing - Preparation and pretreatment of surfaces Power tool cleaning (Reconfirmed 2017)
    AS 1852.601-1988 International electrotechnical vocabulary - Generation, transmission and distribution of electricity - General
    AS/NZS 61558.2.17:2001 Safety of power transformers, power supply units and similar Particular requirements for transformers for switch mode power supplies (IEC 61558-2-17:1997, MOD)
    AS 1852.371-1988 International electrotechnical vocabulary - Telecontrol
    AS 1852.441-1985 International electrotechnical vocabulary - Switchgear, controlgear and fuses
    AS 1852.351-1978 International electrotechnical vocabulary - Automatic control
    AS 1627.4-2005 Metal finishing - Preparation and pretreatment of surfaces Abrasive blast cleaning of steel
    AS/NZS 1852.0:2000 International Electrotechnical Vocabulary Introduction and list of Parts of AS 1852 and IEC 60050
    AS 1852.603-1988 International electrotechnical vocabulary - Generation, transmission and distribution of electricity - Power system planning and management
    AS 1852.446-1988 International electrotechnical vocabulary - Electrical relays
    AS/NZS 2053.8:1995 Conduits and fittings for electrical installations Flexible conduits and fittings of metal or composite material
    AS 1852.521-1988 International electrotechnical vocabulary - Semiconductor devices and integrated circuits
    AS/NZS 61558.2.3:2001 Safety of power transformers, power supply units and similar devices Particular requirements for ignition transformers for gas and oil burners (IEC 61558-2-3:1999, IDT)
    AS/NZS 60479.2:2002 Effects of current on human beings and livestock Special aspects
    AS 2832.5-2002 Cathodic protection of metals - Steel in concrete structures
    AS 1852.101-1978 International electrotechnical vocabulary - Mathematics
    AS 1852.431-1981 International electrotechnical vocabulary - Transductors
    AS 1852.131-1988 International electrotechnical vocabulary - Electric and magnetic circuits
    AS/NZS 61558.2.6:2001 Safety of power transformers, power supply units and similar Particular requirements for safety isolating transformers for general use (IEC 61558-2-6:1997, MOD)
    AS/NZS 61558.2.15:2001 Safety of power transformers, power supply units and similar Particular requirements for isolating transformers for the supply of medical locations (IEC 61558-2-15:1999, MOD)
    AS/NZS 61558.2.9:2003 Safety of power transformers, power supply units and similar products Particular requirements for transformers for class III handlamps for tungsten filament lamps (IEC 61558-2-9:2002, MOD)
    AS/NZS 2053.3:1995 Conduits and fittings for electrical installations Rigid plain conduits and fittings of fibre-reinforced concrete material (Reconfirmed 2016)
    AS 1852.726-1983 International electrotechnical vocabulary - Transmission lines and waveguides
    AS/NZS 5000.1:2005 Electric cables - Polymeric insulated For working voltages up to and including 0.6/1 (1.2) kV (Reconfirmed 2017)
    AS/NZS 3000:2000 Electrical installations (known as the Australian/New Zealand Wiring Rules)
    AS/NZS 2053.5:2001 Conduits and fittings for electrical installations Corrugated conduits and fittings of insulating material
    AS 1852.881-1988 International electrotechnical vocabulary - Radiology and radiological physics
    AS 1852.321-1988 International electrotechnical vocabulary - Instrument transformers
    AS 1852.461-1988 International electrotechnical vocabulary - Electric cables
    AS/NZS 61558.2.7:2001 Safety of power transformers, power supply units and similar Particular requirements for transformers for toys (IEC 61558-2-7:1997, MOD)
    AS/NZS 61558.2.4:2001 Safety of power transformers, power supply units and similar Particular requirements for isolating transformers for general use (IEC 61558-2-4:1997, MOD)

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

    AS 2159-1995 Piling - Design and installation
    AS/NZS 3004.2:2008 Electrical installations - Marinas and recreational boats Recreational boats installations
    AS 2159-2009 Piling - Design and installation
    AS 5100.8:2017 Bridge design Rehabilitation and strengthening of existing bridges
    AS 4036-2006 Corrosion of metals - Dissimilar metals in contact in seawater
    AS/NZS 3004.1:2008 Electrical installations - Marinas and recreational boats Marinas
    AS/NZS 3004:2002 Electrical installations - Marinas and pleasure craft at low-voltage
    AS 2832.5-2008 Cathodic protection of metals Steel in concrete structures
    AS/NZS 5131:2016 Structural steelwork - Fabrication and erection
    AS/NZS 60079.14:2009 Explosive atmospheres Electrical installations design, selection and erection (IEC 60079-14, Ed. 4.0 (2007) MOD)
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