A Critical Design Structure Method for Project Schedule Development under Rework Risks

Guofeng Ma, Jianyao Jia, Tiancheng Zhu and Shan Jiang
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Guofeng Ma: School of Economics and Management, Tongji University, Shanghai 200092, China
Jianyao Jia: School of Economics and Management, Tongji University, Shanghai 200092, China
Tiancheng Zhu: School of Economics and Management, Tongji University, Shanghai 200092, China
Shan Jiang: School of Economics and Management, Tongji University, Shanghai 200092, China

Sustainability, 2019, vol. 11, issue 24, 1-20

Abstract: In order to overcome the difficulty in quantifying rework by traditional project schedule management tools, this study proposes an innovative method, namely improved Critical Chain Design Structure Matrix (ICCDSM). From the perspective of information flow, the authors firstly make assumptions on activity parameters and interactions between activities. After that, a genetic algorithm is employed to reorder the activity sequence, and a banding algorithm with consideration of resource constraints is used to identify concurrent activities. Then potential criticality is proposed to measure the importance of each activity, and the rework impact area is implicated to indicate potential rework windows. Next, two methods for calculating project buffer are employed. A simulation methodology is used to verify the proposed method. The simulation results illustrate that the ICCDSM method is capable of quantifying and visualizing rework and its impact, decreases iterations, and improves the completion probability. In this vein, this study provides a novel framework for rework management, which offers some insights for researchers and managers.

Keywords: schedule management; rework; uncertainty; Design Structure Matrix; critical chain (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2019
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