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Cranes can withstand typhoons

Two free-standing tower cranes installed on the Area 77 development in Ma On Shan, Hong Kong, are the first to comply with the territory’s new wind code, which in the past meant hook heights were restricted to 49m.

The Liebherr 280 ECH-16s have been installed with a 53m hook height, but are designed to withstand typhoon conditions.

The two cranes are among six Liebherrs being used in construction of the six 25-floor residential towers, where they a variety of duties, including lifting and placing precast wall panels weighing up to 10t.

The cranes have been installed in between the towers and will be tied every fourth floor.

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