AS O45-1948

This Standard applies to the Western Australian timbers jarrah, karri and wandoo for the end uses specified in the 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 descriptions are given for each timber. Appendices give recommended permissible working stresses for jarrah and karri and methods of differentiating between jarrah and karri.