Research Article

System Hazard Analysis of Tower Crane in Different Phases on Construction Site

Table 9

External disturbance of usage phase.

Components and interactionsExternal disturbance

WorkerHUP54 the pressure of reward and punishment mechanism
HUP55 short of safety education and training
HUP56 schedule pressure

Lifting systemHUP57 bad weather
HUP58 complex operating environment
HUP59 lack of warning signs
HUP60 multitower crane interaction

Command and feedbackHUP61 noise
HUP62 failure or interference of communication tools