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2. Tower crane technology
2.1 Knowledge requirements
The crane operator needs to know something about the construction and operation of tower cranes, especially the one in use.
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Features :
hook height, reach,
maximum working load as a function of span, load curves.
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Components :
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shaft crane frame, rotating at the top :
ballast frame, shaft, counter-jib, carriage, hook,
slewing mechanisms, cab, boom carrier, jib, counterweights ;
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