The safety alert sets out advice for leaving tower cranes out of service for long periods of time, namely:
Ensure that the most up to date information for taking the crane out of service is obtained from the manufacturer or supplier for the specific make, model and configuration of crane. This should be checked against the information recorded in the project lift plan.
From the information provided verify that the crane has been left in the correct out of service condition.
With luffing cranes, it is strongly advised that the jib is parked at the maximum out of service radius possible - allowing for surrounding obstacles - rather than at the minimum out of service radius specified by the manufacturer.
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