Causes of Delay in the Construction Projects of Subway Tunnel

Table 4

Ranking of the causes from designer.

Cause	View of consultants		View of contractors		Combined view
	Rank	Severity index	Rank	Severity index	Rank	Severity index
Late design works	1	52.51	1	58.26	1	55.39
Mistake in design	2	46.58	2	49.35	2	47.97
Inappropriate design	3	40.69	3	43.17	3	41.93