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Project-oriented economic activity worldwide grows constantly, measured in generated revenue and the number of employed people in project management- oriented roles. However, only around 80% of projects successfully meet the scheduled time frame and budget. Because poor project planning is widely regarded as the leading cause of project failure, this paper aims to contribute to the scientific discourse on planning techniques by focusing on planning in construction projects. In those projects and generally in project management, network planning techniques, especially the Critical Path Method (CPM) and the Project Evaluation and Review Technique (PERT), are considered the most widely used and effective techniques. Therefore, a specific research goal has been to identify their similarities and differences, determining their appropriateness in a distinct context. The research methodology included qualitative methods and a case study. The chosen qualitative methods have been primarily induction and deduction, generalization, and specialization, and finally, comparative analysis of the mentioned planning techniques to identify and evaluate their characteristics. A conducted case study analyzed a recent construction project of a public building in Eastern Croatia, which was beneficial in supporting the theoretical framework. Research results suggested that PERT and CPM should be treated as complementary planning techniques because they provide project managers with different perspectives. Furthermore, they enable insight into possible project variations, facilitating better decision-making. Finally, applying these planning methods permits substantial savings in time and money needed for project completion, which is crucial for improving project performance. |
