Seid, Mohammed (PhD)Lakew, Workineh2018-11-062023-11-042018-11-062023-11-042016-05http://etd.aau.edu.et/handle/123456789/13829Delays on construction projects are w result in several negative effects like disputes, lawsuits, total dissertation and abandonment. Thus, identifying, ranking and confronting the causes of delay This paper identifies the causes construction projects in Addis Ababa. categorized in 8 major groups. 43 Contractors, 21 Consultants, and 19 Aluminum Fabricators were asked to evaluate frequency and severity of each cause. Data were analyzed with frequency and importance indices. Agreement of the rankings of importance of the causes between groups was tested. Findings of the research revealed that a consultants experienced a 42% and 52% of delay the groups of respondents attest that cause of delay. They also share the view that important. Consultants distinctly perceive whereas Contractors regard Fabricators view that Material Related causes are second in line. Relative agreement of rank of causes between groups showed a high degree of correlation among the groups of respondents. viii worldwide phenomena. Construction projects delays are important. of delay in aluminum fabrication and installation in This study revealed a total of 52 causes . about 90% of the contractors and 85% of the average delay over original contract period. All Owner induced factors are the most frequent and severe Contractor Related causes are third most that Project related causes are second most severe, related causes as runner-ups. Fabricators hold theenDelays of Aluminum Fabrication and InstallationThesis