Risk management in construction projects : a case study of governmental institutions in Kirkuk

الملخص EN

In this study, the risk factors in building construction are investigated, ranked and analyzed from the governmental institutions point of view in Iraq.

a categorization method for these factors are addressed to environment sustainability, material availability, design , logistical problem, physical provision, political situation, dispute over ownership, management and legal groups.

therefore, 42 risk factors have been investigated and presented.

these factors were derived from nine major groups.

the ranking process is based on weighted mean (severity) and frequencies in order to get the importance of each risk factor.

Kruskal-Wallis test has implemented to examine the mean homogeneity of the risk groups.

furthermore, multi comparison between the groups was performed by post-hoc test for non-parametric variables.

prevention, mitigation and analysis methods were also ranked according to its effectiveness and usage.

the percentage importance 73.34%, 71.13% and 70.19% represent rapid design, disputes over land ownership and lack of security and stability of project region, respectively.

as a result of non-parametric test, variation in groups mean were obtained at level of significant α=0.05.

the higher ranking based on mean plot of the groups are going to be considered in design group.