- -65%

standard by Standards Australia , 03/21/2025
AS 4744.1:2025 specifies requirements for the design, construction, intended use and rating of steel and aluminium shoring and trench lining equipment assembled completely from prefabricated components for use in excavation operations, in order to protect persons, the works and adjoining areas or infrastructure from the effects of any instability of the excavated soil face and/or adjacent in situ soils from movement or collapse