Table 3 Stability of top delay factors...

Table 3

Stability of top delay factors under cross-validation of expert weights

ID	Delay risk factor	Weight (%)	Weight range	Variation percentage (%)
1	Consultant's lack of experience	11.5	[10.9%,12.1%]	100
2	Contractor's financial problems	9.3	[8.8%,9.8%]	100
3	Poor qualification of the contractors' technical staff	7.4	[7.1%,7.9%]	100
4	Owner's lack of experience	6.5	[6.2%,6.9%]	100
5	Owner's financial problems	5.6	[5.3%,5.9%]	100
6	Owner's late decisions	5.4	[5.1%,5.7%]	100
7	Owner's change in requirements	5.1	[4.8%,5.4%]	100
8	Delay in changes approval	3.7	[3.5%,3.9%]	100
9	Delay in sub-contractor's work	3.5	[3.3%,3.7%]	100
10	Shortage of labour	3.2	[3.1%,3.4%]	100
11	Labour productivity	3.2	[3.0%,3.4%]	100
12	Poor project cost estimation	3.2	[3.0%,3.4%]	100
13	Poor and improper planning	3.0	[2.9%,3.2%]	100
14	Complexity in project design	2.9	[2.7%,3.1%]	99
15	Late in revising and approving design documents	2.9	[2.7%,3.0%]	100
16	Unclear and inadequate details in drawings	2.8	[2.6%,3.0%]	100
17	Lack of coordination	2.8	[2.6%,2.9%]	98
18	Mistakes during the execution of works	2.8	[2.6%,2.9%]	98
19	Injuries on site	2.8	[2.6%,2.9%]	99
20	Poor project management and supervision	2.7	[2.6%,2.9%]	98
21	Inflation	2.7	[2.5%,2.8%]	95
22	Rainfall and weather conditions	2.6	[2.5%,2.7%]	93

ID	Delay risk factor	Weight (%)	Weight range	Variation percentage (%)
1	Consultant's lack of experience	11.5	[10.9%,12.1%]	100
2	Contractor's financial problems	9.3	[8.8%,9.8%]	100
3	Poor qualification of the contractors' technical staff	7.4	[7.1%,7.9%]	100
4	Owner's lack of experience	6.5	[6.2%,6.9%]	100
5	Owner's financial problems	5.6	[5.3%,5.9%]	100
6	Owner's late decisions	5.4	[5.1%,5.7%]	100
7	Owner's change in requirements	5.1	[4.8%,5.4%]	100
8	Delay in changes approval	3.7	[3.5%,3.9%]	100
9	Delay in sub-contractor's work	3.5	[3.3%,3.7%]	100
10	Shortage of labour	3.2	[3.1%,3.4%]	100
11	Labour productivity	3.2	[3.0%,3.4%]	100
12	Poor project cost estimation	3.2	[3.0%,3.4%]	100
13	Poor and improper planning	3.0	[2.9%,3.2%]	100
14	Complexity in project design	2.9	[2.7%,3.1%]	99
15	Late in revising and approving design documents	2.9	[2.7%,3.0%]	100
16	Unclear and inadequate details in drawings	2.8	[2.6%,3.0%]	100
17	Lack of coordination	2.8	[2.6%,2.9%]	98
18	Mistakes during the execution of works	2.8	[2.6%,2.9%]	98
19	Injuries on site	2.8	[2.6%,2.9%]	99
20	Poor project management and supervision	2.7	[2.6%,2.9%]	98
21	Inflation	2.7	[2.5%,2.8%]	95
22	Rainfall and weather conditions	2.6	[2.5%,2.7%]	93

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