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Level: Advanced
TCM Section(s): 7.1. Project Scope and Execution Strategy Development
Venue: 2020 AACE International Conference & Expo
Abstract: Engineering design quality affects the overall construction project performance in terms of cost, schedule, quality, and safety. Defects in engineering design deliverables, such as errors or omissions, can have strong and significant associations with construction phase rework. To better understand this association, the authors analyzed the Construction Industry Institute (CII) benchmarking data. The primary focus of this paper is to determine engineering design related variables through analysis of a CII benchmarking survey questionnaire, and to identify the variables that are significantly associated with construction phase outcomes. An analysis of variance (ANOVA) with Tukey post-hoc test was conducted to identify the most significant association between engineering design variables and construction phase performance. The authors identified three statistically significant associations: 1) the engineering design completeness impact on cost growth, 2) the objectives change impact on customer satisfaction, and 3) the impact of the remote office on engineering productivity during the engineering design phase. This study contributes to a better understanding of how to prioritize engineering design efforts in order to enhance overall construction project performance and to provide guidance for managing engineering design quality.
TCM Section(s): 7.1. Project Scope and Execution Strategy Development
Venue: 2020 AACE International Conference & Expo
Abstract: Engineering design quality affects the overall construction project performance in terms of cost, schedule, quality, and safety. Defects in engineering design deliverables, such as errors or omissions, can have strong and significant associations with construction phase rework. To better understand this association, the authors analyzed the Construction Industry Institute (CII) benchmarking data. The primary focus of this paper is to determine engineering design related variables through analysis of a CII benchmarking survey questionnaire, and to identify the variables that are significantly associated with construction phase outcomes. An analysis of variance (ANOVA) with Tukey post-hoc test was conducted to identify the most significant association between engineering design variables and construction phase performance. The authors identified three statistically significant associations: 1) the engineering design completeness impact on cost growth, 2) the objectives change impact on customer satisfaction, and 3) the impact of the remote office on engineering productivity during the engineering design phase. This study contributes to a better understanding of how to prioritize engineering design efforts in order to enhance overall construction project performance and to provide guidance for managing engineering design quality.