Causes of Delay in the Construction Projects of Subway Tunnel

Table 14

Top six causes in agreement between consultants and contractors.

Cause	Overall rank	Severity index		Absolute difference in severity index
		Consultants’ view	Contractors’ view
Postponement of the project by the owner	8	68.21	68.38	0.17
Conflict between laborers and management team	40	46.91	47.39	0.48
Complicated geological conditions	2	74.38	73.62	0.76
Delays in decision making by the owner	14	64.56	63.76	0.80
Award the project to lowest bid price	4	71.16	72.05	0.89
Progressing payments delay by the owner	3	71.72	72.65	0.93