Abstract
In recent decades, the construction industry has developed rapidly. Delay was and remains one of the most important challenges negatively affecting not only this industry but also the economy and sustainable development. This study aims to conduct a comprehensive analysis of the delay factors in reconstruction projects because of the vital importance of these types of projects. This is the first attempt to conduct such an analysis for reconstruction projects in particular, and it is a continuation of the previous case study, which was considered one of the most important reconstruction projects in the Middle East region. The previous study focused on determining the types of delay factors used in this project. It is necessary to carry out advance in-depth analysis to sort the delay factors based on their effect on the project plan. In order to achieve the study goal, 93 questionnaires were distributed by hand to experts working on the project: some of them working the day shift, and the others working the night shift. The questionnaire results were analyzed and delay factors were sorted in descending order according to the relative importance index (RII). The three main factors affecting the overall reconstruction project duration were site restrictions and conditions, electrical and mechanical rerouting works, and design buildability and adjustment.
Highlights
Delay is one of the most important challenges faced by the construction industry
This study is concerned with this type of project, and is a continuation of a previous study conducted by the same researchers on the Mataf Expansion project in Mecca, Saudi Arabia
The previous study was successful in determining the delay factors in this reconstruction project type, which were classified into two sections
Summary
Delay is one of the most important challenges faced by the construction industry. Delay in a construction project is the variance between the actual project finish date and the contractual milestone finish date [1]. The main target of these studies was to lessen the negative impact of these delay factors on the project plans or completely prevent their effects. These impacts are not limited to the construction industry and negatively affect the economy [3]. The second group is related to the construction stage and includes the following: design buildability and adjustment; site restrictions and conditions; the creation of safe passageways; overlap between temporary projects and construction works; historical elements test period; alternative materials for historical elements; overlap between the historical and non-historical parts; workforce productivity rate; and delays in the building works next to the demolition area [4]
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