Developing a Subway Fire Risk Assessment Model Based on Analysis Theory

Table 1

Index weights of the subway fire risk evaluation index system.

First-grade index	Weight	Second-grade index	Weight
Personnel factor U1	0.067	Passenger safety awareness (u11)	0.211
		Fire awareness of subway staff (u12)	0.266
		Number of subway staff and their firefighting skills (u13)	0.171
		Emergency rescue capability of the subway staff (u14)	0.169
		Number and distribution of passengers (u15)	0.183
Equipment factor U2	0.139	Ventilation and smoke exhausting equipment (u21)	0.139
		Fire extinguishing equipment (u22)	0.163
		Environment and video surveillance equipment (u23)	0.108
		Fire detection and alarm equipment (u24)	0.205
		Mechanical and electrical equipment (u25)	0.175
		Communication equipment (u26)	0.210
Environmental factor U3	0.293	Fire compartment (u31)	0.290
		Fire prevention interval (u32)	0.251
		Fire load (u33)	0.190
		Construction of public fire facilities (u34)	0.102
		Nearest fire station distance (u35)	0.167
Management factor U4	0.464	Fire emergency preparedness plan (u41)	0.273
		Routine fire safety inspection (u42)	0.114
		Formulation and implementation of fire regulations (u43)	0.134
		Fire safety education and training for subway employees (u44)	0.106
		Publicity and popularization of subway fire safety knowledge (u45)	0.201
		Fire drill (u46)	0.173
Design factor U5	0.035	Design of safety evacuation system (u51)	0.401
		Design of smoke drainage system (u52)	0.232
		Design of emergency system (u53)	0.087
		Fire prevention and fire resistance of trains their component building materials (u54)	0.280