Optimizing commissioning scheduling EPCC industry projects by integrating AHP and CPM methods

Engineering Procurement Construction Commissioning (EPCC) project has a trial/testing phase to achieve the performance guarantee required in the contract before the plant handed over to the operator. This project has enormous challenges, such as overlapping phases and interdependencies between activities, very accurate details of activities, and uncertainties in the accuracy of predictions that arise during the project. Many EPCC project scheduling is not aligned with commissioning schedule. Therefore, time and resource arrangements are an important factor in the successful completion of plant commissioning. This paper aims to minimize commissioning delays by increasing commissioning scheduling in gas processing industry plant projects using the Analytical Hierarchy Process (AHP) and Critical Path Method (CPM). AHP method produces a commissioning system priorities, then used in CPM scheduling. The results showed a short duration commissioning schedule, because of some parallel activities between pre-commissioning and construction. The duration of completion commissioning time reduces from 309 days to 293 days.