This paper reviews the summary and analysis of special technical safety schemes for hazardous and ultrahazardous activities,supported by housing scaffolding,installation,and dismantling of outer wall attached tower crane,deep foundation pit with supporting structure,municipal bridge box girder formwork support,as well as grooved Larsen steel sheet pile,which are commonly seen in recent years,so as to enhance the pertinence,rationality,and economy of the special program to strengthen safety.
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