CPCS A31 Ride-On Roller Practice Questions - CPCS A31 Ride-On Roller (NOCN CPCS, UK) Exam

When operating a ride-on roller near an open excavation, what is the general safe rule for edge clearance?

Maintain a distance at least equal to the depth of the excavation unless supported by shoring Keep the outer edge of the drum exactly 100mm from the lip of the trench Drive along the trench edge only when drum vibration is set to maximum amplitude Operate at full travel speed parallel to the edge to minimize ground contact time

Correct Answer:

Maintain a distance at least equal to the depth of the excavation unless supported by shoring

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