AS O97-1963 PDF
Rail track sleepers, lead or crossing timbers and bridge transoms from Eastern Australian hardwoods
standard by Standards Australia, 01/01/1963
Sets out specifications for two grades of rectangular sleeper and one grade of round back sleeper, one grade of lead or crossing timber, and one grade of bridge transom, sawn or hewn from hardwoods indigenous to that part of Australia, including Tasmania, lying east of a line between Adelaide and Darwin. Each specification lists applicable timber species, and a general section gives the method of specifying, rules for measurements, and tolerances. Clauses dealing with branding, marking and inspection are also included.
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