AS O11-1948
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Grading rules for railway crossing timbers - Jarrah
Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users
06-30-2017
English
01-01-1948
This Standard applies to the Western Australian timber jarrah for the end uses specified in the separate standard. It does not apply to material intended for re-sawing. General provisions are included for limits of accuracy, equivalent defects, seasoning allowance, moisture content, and dimensions. Grade description is given for the timber. Appendices give recommended permissible working stresses for jarrah and karri and methods of differentiating between jarrah and karri.
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