Author(s): Ehab Soliman
Published in: International Journal of Engineering Research & Technology
License: This work is licensed under a Creative Commons Attribution 4.0 International License.
Volume/Issue: Volume. 6 - Issue. 03 , March - 2017
Construction projects always exposed to delay. This problem is global problem. Many studies have conducted to analyse delay in construction projects. Most of the research work conducted in delaying construction projects aimed to measure and rank the direct delays that project faced during its life. These studies conducted in different countries with different technical, economical and contractual conditions. In this study, an extensive review of previous research work in delay causes definition and ranking conducted. The objective of this study is to analyse the effect of changing economical and construction environmental conditions on occurrence of delay causes and their importance. This study analysed results of some of previous researches conducted all over the world. This analysis revealed that the economical, contractual and technical factors have highly effect on the delay causes ranking in developing countries, while the project characteristics have the high influence in developed countries. Three delay causes are common in all studies in all economical situations that have highly effect on delay occurrence. These delay causes are shortage of materials, shortage of labours, and problems gained from suppliers and subcontractors. Any effort to mitigate delay occurrence in construction projects should consider this result into consideration.
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