AS 2979-1989被替代
Traffic signal mast arms
出版：Standards Australia
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基本信息
标准编号： AS 2979-1989
标准类别：Standard
出版单位：Standards Australia
标准页数：20
标准简介
Specifies requirements for tubular steel mast arms which are designed to support traffic signal lanterns and associated equipment above the road way. Also applies to joint-use mast arms which, in addition to supporting traffic signal lanterns, are designed to support road lighting luminaires. Designates three specific types of mast arm, viz. Types A, B and C, based on design and constructional considerations. Does not apply to traffic signal posts, requirements for which are specified in AS 2339.
替代本标准的新标准
