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

This Amendment applies to the following elements: Clauses 1.2, 1.4.2, 1.5, 1.11, 1.12, 4.2.2.3, 6.2.1.3 and 8.3.6.5, Figure 6.3, Table 8.18, 9.19 and 9.20, Bibliography.

This Amendment applies to the following elements: Clauses 1.2, 1.4.2, 1.5, 1.11, 1.12, 4.2.2.3, 6.2.1.3, 8.3.6.5, Figure 6.3, Tables 8.18, 9.19 and 9.20, Bibliography.

Sets out requirements for the design of nailplated timber roof trusses for residential and similar building applications in accordance with AS1720.1, AS4055 and the AS(/NZS)1170 series.

Part of the AS 1684 series, sets out the design methods, assumptions and other criteria, including uplift forces and racking pressures, suitable for the design of timber-framed buildings constructed within the limitations and parameters of, and using the building practice described in, AS 1684.2, AS 1684.3 and AS 1684.4.

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.

Provides requirements for the planning, design, construction, and safe operation of all installations in which flammable or combustible liquids are stored or handled. In separate sections it deals with minor storage, package storage and handling, storage in tanks, fuel dispensing, piping and tank auxiliaries, operations and fire protection facilities. Appendices deal with tank venting, combustion characteristics, fire exposure protection, gas-freeing precautions and principles, and power station and grid transformers.

Specifies requirements for the design, construction, location, and operation and testing of systems for the storage and handling of anhydrous ammonia. Requirements for the management of emergencies involving anhydrous ammonia and for the fire protection associated facilities are also specified.

Sets out requirements and recommendations for the storage and handling of gases in cylinders, as classified as Class 2 dangerous goods in the ADG Code. It applies to stores where individual gases (other than those which are covered by specific Australian Standards) are kept, and to stores where more than one type of gas is kept. Requirements for the location, construction and ventilation of stores are given. Recommendations for the management of emergencies and actions in the event of fire are provided in appendices.