Abstract
AbstractDespite the simple and extensively used program evaluation and review technique (PERT), a project management tool for estimating project duration poses many limitations. PERT only considers the overly estimated critical path as the lifeline of the project and neglects the variance of other paths, which later affect the project’s timely completion. This paper uses a simulation-based approach to illustrate that a project network contains multiple critical paths that depend upon the network’s variability. A real construction project scenario augmented with five different cases. The outcome shows many instances of other critical paths along with the dominant critical path in simulation.KeywordsSchedulingPERTProject delaysStochastic network analysisProject schedulingProject management
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