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Loaded tank containers may ONLY be lifted by a TOP SPREADER attached either to a sidelift truck, a gantry crane or container-handling vehicle such as a straddle carrier.
Extreme caution must be exercised when handling loaded containers by a sidelift truck fitted with a top lift attachment, as the change in centre of gravity due to cargo surge may result in instability of the vehicle. The tank container should be moved when suspended at the lowest practical height.
While ISO standards do not permit containers to be lifted by angled slings from the top corner castings, most Sea Containers tanks are designed and tested to be lifted from both the top and bottom corner castings. When lifting from the top castings the angle of the slings should not be less than 50 degrees to the horizontal. When connected to the bottom corner castings the slings must be not less then 45 degrees.
Care must be taken to ensure that the slings do not touch the tank during lifting. For safe and efficient handling of containers a properly designed spreader is always to be recommended.
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