As the height of the building increases due to the development of construction technology, technologies that can transport the material efficiently and safely to the location have become important, and tower cranes and lift cars are used in most high-rise sites in construction sites for quick installation of structures . It is necessary to provide objective and systematic safety assurance of tower crane and elevator (lift car) which are used for long period of installation after power crane where disaster is generated in construction industry. In the case of tower cranes and lifting cars, which have a long period of time from dismantling to dismantling, efforts to reduce disasters through periodic safety checks and evaluations during use, and pre-use, You will need a plan.