Toward a Stakeholder Perspective on Safety Risk Factors of Metro Construction: A Social Network Analysis

Table 6

Relationship between stakeholders and safety risk factors.

Risk ID	Stakeholder code	Stakeholder	Risk code	Risk	Cases
S1E1	S1	Contractor	E1	Bad weather	1, 4, 5, 6, 32
S1E2	S1	Contractor	E2	Unknown geological conditions	6, 9, 21, 27, 32, 34, 41, 42
S1E3	S1	Contractor	E3	Underground pipe breaks	9, 10, 24
S4E3	S4	Designer	E3	Underground pipe breaks	16
S1H1	S1	Contractor	H1	Lack of contingency plans	1, 5, 11, 12, 34, 40, 41, 42
S1H2	S1	Contractor	H2	Violations by operatives	2, 15, 17, 18, 19, 20, 23, 25, 28, 31, 33, 35, 36, 38
S1H3	S1	Contractor	H3	Inadvertent handling by operatives	3, 11, 13, 29, 30
S1H4	S1	Contractor	H4	Lack of safety precautions	3, 12, 13, 17, 18, 21, 31, 32, 33, 35, 36, 37, 38, 40
S5H5	S5	Supervisor	H5	Ineffective supervision	4, 28
S6H5	S6	Government	H5	Ineffective supervision	4, 16, 28
S1H6	S1	Contractor	H6	Unclear construction site markings	8
S1H7	S1	Contractor	H7	Inappropriate communication with other units	8
S6H7	S6	Government	H7	Inappropriate communication with other units	8
S1H8	S1	Contractor	H8	Negligent site management	10, 13, 14, 23, 25, 30
S1H9	S1	Contractor	H9	Inaction by site managers	8, 15, 19, 20, 21, 22, 26, 28, 31, 32, 33, 35, 36, 37, 38, 39, 40, 41, 42
S1H10	S1	Contractor	H10	Inadequate qualification levels of operatives	17, 28
S2MAC1	S2	Supplier	MAC1	Mechanical breakdown	2, 14, 39, 40, 41
S1MAT1	S1	Contractor	MAT1	Falling material from high places	7, 12
S3MAT2	S3	Client	MAT2	Missing drawings	16, 24
S2MAT3	S2	Supplier	MAT3	Insufficient awareness of material properties	29
S1T1	S1	Contractor	T1	Lack of a dedicated construction programme	4
S4T2	S4	Designer	T2	Lack of detailed exploration information	6, 9, 10, 24, 27, 42
S1T3	S1	Contractor	T3	Poor construction workmanship	7, 20, 22, 25, 26
S1T4	S1	Contractor	T4	Missing construction permits	16
S1T5	S1	Contractor	T5	Incorrect construction procedure	22