Improving Sustainable Project Success Strategies Focused on Cost and Schedule for Electrical Construction Project Management

Janghwan Kim, Jeeyoung Lim, Hyoung-Chul Lim and Dae Young Kim
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Janghwan Kim: Department of Civil Engineering, Kangwon National University, Samcheok-si 25913, Korea
Jeeyoung Lim: Department of Architectural Engineering, Pusan National University, Busan 46241, Korea
Hyoung-Chul Lim: Department of Architectural Engineering, Changwon National University, Changwon-si 51140, Korea
Dae Young Kim: Department of Architectural Engineering, Pusan National University, Busan 46241, Korea

Sustainability, 2022, vol. 14, issue 5, 1-17

Abstract: Electrical contractors encounter problems such as limited construction sites, schedule interference, and inefficient communication with other contractors when they typically subcontract with general contractors. Electrical projects require effective and systematic project management strategies to overcome these problems and achieve the desired goal. In an electrical construction project, individual tasks are interconnected at different stages, including pre-construction planning (PCP) and project execution (PE). Therefore, analyzing the effect of task strings on the project success in terms of schedule and cost performance is necessary. The main objective of this study is to perform a static analysis to compare successful and failed projects with a focus on the cost and schedule performances, using the PCP and PE task strings in electrical construction projects. To achieve this, a continuous PCP-PE task strings implementation score was calculated for each PE group in terms of cost and schedule, and successful and failed projects on unweighted and weighted values were compared and analyzed by performing an independent sample t -test. Consequently, it was confirmed that the use of most task strings had a positive effect on the cost success at a confidence level of 95%, and that only the subcontractor management group had a positive effect on the schedule success. Hence, it was derived that the usage of task strings for these groups is recommended for cost success in electrical construction, and continuous PCP-PE task strings do not have a positive effect on schedule success; therefore, it is recommended to use the PCP-PE task strings only for specific groups for schedule success in electrical construction. Demonstrating the relationship between the PCP and PE tasks, the findings of this study are expected to help electrical contractors achieve a better performance using effective project management strategies.

Keywords: electrical construction; project management strategy; static analysis; tasks strings; project execution categories (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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