This research has studied the risk of the installation process and demolish the tower crane, the boom type and version 540HC-L 12 / 24 brand, Lee hae. Data error analysis pattern ภุมิ trees. Aims to explore risk in the process of practical work. Factors causing the accidents in the installation and dismantle the tower crane to establish guidelines for reducing the risk and prevent accidents. By the study and analysis of risk of demolition of tower crane first and to gather information about the accident, risk, and to indicate danger posed to bring the defensive hazard occurred in each competition, when the data are all applied to the crow. To demolish the tower crane later and to compare results between the two and found that one can reduce accidents 43% then developing measures of accident prevention obtained from this experiment, which uses the principle of building safety in the work the principle 3 E. Was the engineering (Engineering) in Education (Education) and the regulations. (Enforcement) and applied in the installation of tower crane in two.
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