Abstract
Specialty trade contractors have increasingly invested in virtual design and construction (VDC) capabilities to virtually model the project, ensure the constructability of the model, engineer its system components, prefabricate its assemblies, and layout the virtual model on-site automatically. This paper investigates the impact of design and scope changes on the performance of VDC tasks by adopting a hybrid research methodology that depends on interviewing and survey samples of electrical contractors. Drivers of VDC cost overruns and best practices to control and recover these costs are presented. This paper provides two contributions to the body of knowledge and industry practice of the construction engineering and management community. First, the paper presents the extent and drivers of the inefficiencies and cost overruns experienced by electrical contractors in managing VDC work scopes. Second, a set of best practices is suggested to manage, plan, and control the performance of VDC tasks of electrical contractors and other specialty contractors.
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Data Availability Statement
Data generated or analyzed during the study are available from the corresponding author by request. Information about the Journal’s data sharing policy can be found here: http://ascelibrary.org/doi/10.1061/%28ASCE%29CO.1943-7862.0001263.
Acknowledgments
The authors would like to thank ELECTRI International Foundation for its generous financial support provided for this paper. The authors would like to acknowledge the guidance and feedback of the ELECTRI’s taskforce members. Any opinions, findings, and conclusions or recommendations expressed in this publication are those of the author and do not necessarily reflect the views of ELECTRI International Foundation.
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©2017 American Society of Civil Engineers.
History
Received: Feb 22, 2017
Accepted: Jul 11, 2017
Published online: Nov 15, 2017
Published in print: Jan 1, 2018
Discussion open until: Apr 15, 2018
ASCE Technical Topics:
- Benefit cost ratios
- Building design
- Business management
- Construction engineering
- Construction management
- Contracts and subcontracts
- Design (by type)
- Driver behavior
- Engineering fundamentals
- Financial management
- Hybrid methods
- Infrastructure
- Methodology (by type)
- Practice and Profession
- Project management
- Traffic engineering
- Transportation engineering
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