If conditions change part-way through a height work task being carried out under a permit to work (e.g. weather deteriorates or the scope changes), what is the correct procedure?

A. The permit controller must be notified as soon as possible and the permit suspended until the change is assessed

B. The senior person present on site can verbally extend the permit without notifying the controller

C. Only the master needs to be informed, not the permit controller

D. Continue, since the permit was already approved for the day

A. Nothing specific - the whistle is rarely sounded in port

B. That the vessel is at anchor, not alongside

C. Only that the worker wears double hearing protection

D. The whistle is isolated and warning notices posted on the bridge and in machinery spaces

A. The cargo gear is electric rather than hydraulic

B. It occurs outside normal cargo watch hours

C. It is absolutely essential, with suitable barriers and warning notices in place to protect those working or moving below

D. A second person is also aloft as a backup

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