Causes of Delay in the Construction Projects of Subway Tunnel

Table 15

Top six causes in disagreement between consultants and contractors.

Cause	Overall rank	Severity index		Absolute difference in severity index
		Consultants’ view	Contractors’ view
Poor site supervision by the contractor	44	41.18	48.02	6.84
Poor communication between the consultant and other construction parties	42	49.25	41.57	7.68
Poor communication between the owner and other construction parties	30	57.95	48.9	9.05
Weather condition	34	46.14	55.7	9.56
Late land handover to the contractor by the owner	23	66.25	55.53	10.72
Poor communication by the contractor with other construction parties	31	47.18	59.22	12.04