OHS Code Explanation Guide

Published Date: July 01, 2009
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Part 37 Oil and Gas Wells

Section 775 Counterweights

Figure 37.10 shows an example of a tong counterweight enclosure. The enclosure should extend from the working level to at least the midpoint of the counterweight when it is at its highest position. If not enclosed or in guides, the counterweight can be secured by chain or cable to prevent it from coming within 2.3 metres of the floor or working level. As added safety measures, work or pedestrian traffic can be prohibited in the area below the counterweight, or the area below the counterweight can be enclosed or barricaded.

Figure 37.10 Example of a tong counterweight enclosure