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塔机往往是建筑工地上最高的机械设备,高度可达几百米,其防雷措施的重要性不言而喻。塔机要不要设立避雷装置?怎么样的避雷装置才是合格的?在目前塔机的安全管理中尚存在着不同的意见。GB50194-93《建设工程施工现场供用电安全规范》第4.2.2条规定:施工现场和临时生活区的高度?
Tower crane is often the highest construction machinery on the site, up to a few hundred meters high, the importance of anti-thunder measures is self-evident. Tower crane should not set up lightning protection device? How kind of lightning protection device is qualified? In the current tower crane safety management there are still different opinions. GB50194-93 “construction site construction for the safety of electricity norms” Article 4.2.2 states: the construction site and temporary living area height?