Specifies visual grading rules and dimensional tolerances for timber cross-arms intended for use as supports for overhead utility service cables. Two grades of cross-arms are described and an optional top surface grade is also given. F-grades are given for use in the structural design. This Standard is to be used in conjunction with AS 3818.1.
Original price was: $36.30.$18.00Current price is: $18.00.
Timber – Heavy structural products – Visually graded, Part 4: Cross-arms for overhead lines
Standards Australia , 01/01/2003
Pages: 7
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