Several winds of the crane can't work.

Legal analysis: work at heights should be stopped in windy weather above level 5, and reliable anti-skid and cold-proof measures should be taken in severe weather such as rain and snow; In case of gale above level 5, the hoisting operation of large formwork should be stopped; The hoisting operation of tower crane must be stopped in strong winds above level 6, and the demolition operation shall not be carried out in rain, snow, fog and wind above level 4.

Legal basis: Article 40 of the Law of People's Republic of China (PRC) on Work Safety. Production and business units shall arrange special personnel to conduct on-site safety management when conducting dangerous operations such as blasting and lifting specified by the safety production supervision and management department of the State Council in conjunction with the relevant departments of the State Council, so as to ensure the compliance of operation procedures and the implementation of safety measures.