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The 1999 edition of AS 1684.3 is amended as follows; the amendments should be inserted in the appropriate places.

Covers the determination of minimum loads to be assumed in the structural design of buildings and related structures, but does not apply to special structures such as road and rail bridges and cranes nor to loads arising from fluid pressures; formulas for obtaining roof line loads and for determining permissible reductions in design live loads for floors, columns and bearing walls are given; tables are included of live loads to be assumed for a wide range of building uses or acceptances as well as of dead loads for the more commonly used building materials.

Applies to the design, fabrication, erection, repair and alteration of steel structures, including foot and service bridges, but does not apply to road and rail bridges, material less than 3 mm thick, steel for which the design yield stress exceeds 450 MPa, and cold-formed structures (see AS 1538).

Defines and provides methods for determining single number quantities for the impact sound insulation in buildings; this Standard is identical with and reproduced from ISO 717-2:1996.