A study on project buffer sizing method for critical chain project management in shipbuilding industry

Abstract

Recently, works in the shipbuilding industry have become bigger, specialised, and complicated. Therefore, the required work processes are varied and need more material, technology, and labour. Thus, project-scheduling management is a major factor that increases profits of shipbuilding companies. If the scheduling management fails, drawbacks such as schedule delays and quality deterioration occur. To improve the project-scheduling management, many research studies on scheduling management were conducted using the Program Evaluation and Review Technique/Critical Path Method (PERT/CPM) and critical chain project management (CCPM). The CCPM technique deals with scheduling using a project buffer. Management of the project buffer is very important for successful project scheduling. The main objective of this research is to apply project scheduling on an engine operation outfitting task of a middle-size dual-fuel electric propulsion-liquefied natural gas ship using the CCPM based on the theory of constraints. To consider various environments such as schedule delay factors, it is proposed the method of project-buffer-size decision using the fuzzy theory. As a result, it is recognised that the proposed CCPM is more effective in project scheduling than the CCPM and PERT/CPM, which are traditional project-scheduling methods.

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Identifiers

ORCID for Philip A. Wilson: orcid.org/0000-0002-6939-682X

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