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. 2021 Apr 20;7(4):e06826. doi: 10.1016/j.heliyon.2021.e06826

Table 5.

RII ranking for Contractors-related delay factors.

S/N Contractor-related causes of delay RII RII ranking Level of contribution
1 Difficulties in project financing 0.783 2 High
2 Errors during construction 0.696 8 High
3 Improper planning and preparation during construction project 0.721 6 High
4 Poor site management and coordination 0.700 7 High
5 Delays in sub-contractor's work 0.779 3 High
6 Underestimation or overestimation of the project cost 0.808 1 Very High
7 Conflicts between contractor and other parties 0.746 5 High
8 Delays in the mobilization of workers 0.650 10 High
9 Regular change of sub-contractor's technical staff 0.746 5 High
10 Conflicts in sub-contractor's schedule in execution of project 0.692 9 High
11 Underestimation of the project durations 0.763 4 High