OHS Code Explanation Guide

Published Date: July 01, 2009
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Part 12 General Safety Precautions

Section 190 Skeleton structures

A structure is anything that is built or constructed, composed of parts joined together in some definite manner. A structural member is an essential or load-carrying part of the structure. A skeleton structure is therefore a supportive arrangement or framework of essential members.

This means that structural members of a skeleton structure are the essential or load-bearing parts of a supportive arrangement or framework of parts that give a structure stand-alone support and stability when erected. This means those columns and beams that are intended to support the remaining parts of the building, including joists and trusses. This does not include “accessory” components such as stairs, guardrails, gratings, platforms, material handling systems and sheeting for floors, walls and roofs. Figure 12.4 shows the difference between skeleton structures and accessory components.

Skeleton structures can be built of steel, wood, or any other material considered appropriate for the structure.

Figures 12.4 Examples of skeleton structures and accessory components