[Retracted] Construction and Evaluation of Construction Safety Management System Based on BIM and Internet of Things

Table 2

Evaluation index of construction safety management system.

First level indicator	Definition	Secondary indicators	Definition
Operator management	A	Active area control	A1
		Special equipment	A2
Monitoring and early warning	B	Project	B1
		Environment	B2
		Tower crane	B3
		Scaffold	B4
Risk cross-warning	C	People and dangerous areas	C1
		People and equipment	C2
		Equipment and hazardous areas	C3
		Equipment and equipment	C4
Visual monitoring	D	Work process supervision	D1
		Security hazard	D2
		Security status	D3
		Safety training and education	D4
Supporting system	E	Safety training and education	E1
		Security	E2
		Emergency system	E3