Complex gas installations

A Complex Gas Installation is an installation:

• within a *class 5 & 6 premises;
• in which the total gas consumption of the appliances exceeds 500 megajoules an hour; and/or in which the length of pipe from the gas supply point to the furthest appliance exceeds 50 metres; and/or if the *class 5 & 6 buildings exceeding 3 storeys; and
• within any *class 1b, 3, 7, 8, 9 or 10 building; and
• any installation containing a Type B appliance.

*within the meaning of the Building Code of Australia

Class 1B: a small guesthouse, boarding house or the like

Class 3: a building providing accommodation for unrelated people

Class 5: professional chambers or suites, lawyers’ offices, government offices, accountants offices

Class 6: a building where goods or services are directly sold to the public (i.e. service station, restaurant, shops)

Class 7: car park, warehouse or building used for the display of goods or produce for sale by wholesale

Class 8: factories, laboratories, buildings used for altering or repairing, potteries, food manufacturers (except restaurants, which are *class 6) or buildings used for the packing of produce

Class 9: healthcare buildings, assembly buildings (i.e. theatres, halls, schools, child minding centres, sports complex or bus and railway stations, day-care surgeries)

Class 10: non-habitable building

The gasfitter must complete the following

• Application for acceptance before commissioning
• installations marked by an asterix (*) on the gas-fitting notice require an APPLICATION to the Director of Gas Safety for ACCEPTANCE before commissioning.
• must complete the gas consumers details, details of qualified gas-fitter, notification of gas installation and details of work undertaken sections.
• forward the yellow copy of the gas-fitting notice with the appropriate APPLICATION for ACCEPTANCE to Workplace Standards Tasmania a minimum of fourteen days prior to commissioning of the installation.
• Do not sign the statement or certificate of compliance

Statement of compliance

• must ensure that the work on the accepted installation has been carried out in accordance with any relevant standard or condition specified in the ACCEPTANCE
• the signed white copy of the Statement of Compliance to the Director of Gas Safety.
• within 48 hours of undertaking the work provide the green copy to the person on whose behalf the work was carried out or the owner of the gas installation
• the blue copy to the gas supplier.
• must keep the pink copy for at least 5 years

Forms and guidance material:

 Sample of a Gas-fitting notice (GFN001)

 Application for acceptance complex/prescribed installation (TBA003)

Statement Of Compliance - Type B Gas Appliance (TBA004)

 Application for acceptance Type B gas appliance (TBA006)

 Type B appliance as commissioned settings (TBA007)

 Application for acceptance of gas installation of a Type B appliance (SOC001)

 Installation approval and gas-fitting notice requirements

 Additional reference standards - complex/prescribed standard gas installations

 Guideline for the use of trench less techniques when installing gas consumer piping systems (IS151)

 Conditions for accepting complex gas installations that cross multiple occupied sites (IS152)