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What is the minimum length a scaffold plank must overhang the scaffold transom at each end?

  1. 125 mm (5")

  2. 150 mm (6")

  3. 175 mm (7")

  4. 200 mm (8")

The correct answer is: 150 mm (6")

Scaffold planks must overhang the scaffold transom at each end by a minimum of 150 mm (6 inches). This is to ensure that the plank is securely attached to the transom and can accommodate any necessary movement or weight without slipping or becoming unstable. Options A, C, and D are incorrect as they do not meet the minimum length requirement and could potentially pose a safety hazard if the scaffold is in use. It is important to always follow safety guidelines and regulations when setting up and using scaffolding to prevent accidents and injuries.