Causes of Delay in the Construction Projects of Subway Tunnel

Table 5

Ranking of the causes from the contractor.

Cause	View of consultants		View of contractors		Combined view
	Rank	Severity index	Rank	Severity index	Rank	Severity index
Ineffective scheduling of the project by the contractor	1	65.60	2	62.30	1	63.95
Conflict between the contractor and other parties	2	61.28	1	62.82	2	62.05
Difficulties in financing the project by the contractor	3	61.01	3	61.95	3	61.48
Poor communication by the contractor with other construction parties	5	47.18	4	59.22	4	53.20
Rework because of errors during construction	4	48.71	5	50.75	5	49.73
Improper construction method	6	46.38	7	47.36	6	46.87
Poor site supervision by the contractor	8	41.18	6	48.02	7	44.60
Poor resource management	7	42.40	8	45.24	8	43.82