Table 6. RII and ranking of contractor-related factors.

	Delay factors	RII	Rank
Q9	Poor planning and scheduling.	0.7890	3
Q10	Shortage of skilled subcontractors/suppliers.	0.8294	1
Q11	Financial difficulties of contractors.	0.8233	2
Q12	Disagreements between the contractor and other parties.	0.6724	7
Q13	Poor site management, monitoring, and control.	0.7742	4
Q14	Errors during construction.	0.6454	8
Q15	Underestimating the project duration.	0.6945	6
Q16	Regular changes of the subcontractor’s staff.	0.6957	5

Source: Authors’ calculations.