Thesis (M.Sc.) - Cairo University - Faculty of Engineering - Department of Civil Engineering

Constructability Assessment application is necessary in all construction projects because it reduces conflicts, increases productivity and most importantly saves time as well as cost; resulting in practical and financial benefits.Construction sector is crucial to driving growth in the domestic economy and it`s a key to government`s plan for successful reforms. Unfortunately, the construction industry is unpredictable and there are many factors that can impact the project delivery success if they were overlooked.Therefore,the owner/designer/contractor must make sure that the project is constructible in the best possible manner and it is preferable to involve all the project parties since the beginning in integrated project delivery (IPD) approach.This research proposes a constructability assessment tool using 5D Building Information Modelling (BIM) incorporating selected 23 constructability factors.The platform helps giving an alert during all the project phases about the areas of concern which should be strengthened to enhance the constructability score. Two decision making techniques were used in the research to determine the overall constructability score of the project within the provided evaluation scheme.Constructability factors weightages are calculated using Analytic Hierarchy Process (AHP) and the utility values are calculated using Simple Multi Attribute Rating Technique (SMART)

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