AS 1688-1974
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users
05-26-2023
English
11-01-1974
Includes minimum requirements for the materials, design and construction of a range of timber ladders including single ladders, extension ladders, industrial folding step-ladders, domestic folding step-ladders, industrial platform step-ladders, domestic bucket-board step-ladders, domestic extension step-ladders and trestle ladders. An appendix sets out recommendations for the determination of the slope of the the grain of timber.
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