OHS Code Explanation Guide

Published Date: July 01, 2009
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Part 23 Scaffolds and Temporary Work Platforms

Section 352 Temporary supporting structures

CSA Standard S269.1-1975 (R2003), Falsework for Construction Purposes, provides rules and requirements for the design, fabrication, erection, inspection, testing, maintenance and use of falsework materials and components where they are erected to provide temporary vertical support for buildings and other structures during their construction, alteration or repair.

Falsework is the term used to describe structural supports and the bracing required to support temporary loads during construction. A fly form deck panel is a complete, unitized falsework structure intended to be moved as a unit. A form or formwork is the mould into which concrete is placed.

If any of the conditions listed in subsection (3) are present, or may be present, the employer must have the resulting temporary supporting structure certified by a professional engineer. The engineer’s certified specifications must contain the information listed in subsection (4).