Cpcs Practice Test & Exam Prep | United Kingdom

What does the term 'weather-vanning' mean when leaving a top-slewing tower crane out of service?

Releasing the slew brake so the jib free-slews and points downwind like a wind vane to minimize wind resistance. Locking the slew brake tightly in the direction of the building under construction. Lowering the hook block onto the ground and tying the jib to scaffolding with steel wire rope. Enclosing the operator cab in protective waterproof canvassing.

Correct Answer:

Releasing the slew brake so the jib free-slews and points downwind like a wind vane to minimize wind resistance.

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