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AS 4055:2021 is amended as follows. The amendments should be inserted in the locations as instructed.

Sets out requirements and guidelines for the long term type testing, glazing, periodic manufacturing testing and other associated aspects to do with insulating glass units.

Sets out the quality requirements for cut sizes of flat, transparent, clear ordinary annealed, tinted heat-absorbing, patterned and wired glass for general glazing and/or further processing.

Sets out test procedures and criteria for the determination of fire-resistance of elements of building construction.

Sets out a method for evaluating the annual energy performance of water heaters using a combination of test results for component performance and mathematical models to determine the standardized annual supplementary energy use.

Describes a single test method for grading building materials on the basis of ignition tendency, flame spread, heat development and tendency to produce smoke.

Sets out basic requirements and good practice for the design, materials, manufacture, examination, testing, installation, conformity assessment, commissioning, operation, inspection, maintenance, repair, alteration and disposal of pressure equipment (boilers, pressure vessels and pressure piping) but excluding gas cylinders; includes detailed requirements for various pressure equipment by direct reference to a range of Australian, New Zealand and other Standards.

Provides a glossary of terms to be used in connection with fire testing; also refers to deprecated terms which should not be used in connection with fire testing.

Outlines a performance-based approach to the maintenance of ducts and components forming air-handling systems with respect to the control of microorganisms, within such systems.

Applicable to the design, construction, and installation of refrigerating systems, including piping, components, materials, and ancillary equipment directly associated with such systems.