Lifting devices
5 Lifting devices
A container lifting frame, used in loading or unloading, that is on board a vessel and fitted with twistlocks must be fitted with a device that:
indicates whether or not the twistlocks are in the locked position; and
prevents the frame, if attached to a container, from being hoisted if any twistlock is not in the locked position.
A vacuum lifting device, used in loading or unloading, that is on board a vessel must:
be fitted with a gauge, or other instrument, marked to indicate the least vacuum at which the device may be used with safety, that indicates the state of the vacuum; and
automatically give audible warning if:
the vacuum is not more than 80% of its operating value; or
the vacuum-inducing pump stops operating; and
be fitted with equipment that, if the vacuum-inducing pump fails, will maintain sufficient vacuum to support the safe working load of the device for enough time for the load to be lowered from the maximum height of lift to a safe location.
A magnetic lifting device used in loading or unloading must have an alternative power supply that comes into immediate operation if the main power fails.
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