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

Table 2

Features of tower crane phases.

Phase	Task	Personnel	Equipment
Installation	The workers assemble the components to install a tower crane.	Installers, operator, rigger, signalman, supervisor, and manager	Truck crane and other tower cranes
Usage	The workers use a tower crane to lift materials.	Operator, rigger, and signalman	Tower crane
Climbing	The workers install a subassembly of the tower crane mast to add the height of the tower crane.	Installers, operator, rigger, signalman, supervisor, and manager	Truck crane and other tower cranes
Dismantling	The workers dismantle the tower crane to components.	Installers, operator, rigger, signalman, supervisor, and manager	Truck crane and other tower cranes