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Relying on timber supports is a dumb idea says expert

Tony Brooks Safety MITS
Tony Brooks Safety MITS

A leader in equipment maintenance warns companies should stop being blockheads and cease using timber as support devices since they are a disaster waiting to happen.

Tony Brooks, who directs Safety MITS, is frustrated companies are putting their workers at risk by using random pieces of timber to support heavy loads.

“The fact is, timber is not a support tool. While dunnage and blocks made of timber have traditionally been used for jacking, cribbing and blocking in industrial applications, these products are not engineered as fit-for-purpose tools for supporting machinery and equipment when carrying out assembly, repairs and maintenance tasks,” he says.

“The problem is, when people take random pieces of timber to use as support devices, they don’t actually know anything about the species or state of the timber. It might be just a piece of pine for all the worker knows. The structural integrity of timber, or lack of it, often cannot be identified until it’s too late.

“A block may be perfect the day you buy it, but the danger comes as it ages and gets exposed to certain elements. Timber in moist conditions will absorb water and become structurally unsound, while timber exposed to excessive heat becomes brittle. When wood creaks, for example, it is the sound of internal grain ruptures like splits and cracks rubbing together. At this stage the damage has already occurred, and the creaking sound is a warning. When the load-bearing effectiveness is compromised, timber can catastrophically fail.”

Brooks visits many industrial and mining companies across the nation, many of them are safety focused and have embraced the latest safety technologies. However, there is still room for improvement.

“My point is, there are plastic engineered cribbing blocks available on the market, which are far superior to timber. For example, each of our Dura Crib plastic engineered cribbing blocks possesses a uniform load-bearing capacity across the entire block. This is due to blocks having a specific chemical composition that is constantly repeated, and a quality manufacturing process that ensures all products are the same, plus or minus five per cent,” he says.

“I do appreciate that industry is slowly recognising the benefits of plastic engineered cribbing blocks, but that process is not fast enough. We still have too many workers being killed or injured in our workplaces needlessly.”

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