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Resolving contractor commitment challenges in project delivery by using conceptual system dynamics models

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dc.contributor.author Aiyetan, Olatunji Ayodeji
dc.contributor.author Das, Dillip
dc.date.accessioned 2017-11-22T07:57:14Z
dc.date.available 2017-11-22T07:57:14Z
dc.date.issued 2016
dc.identifier.uri http://hdl.handle.net/11462/1282
dc.description Published Article en_US
dc.description.abstract Contractors play a vital role in construction projects. However, their lack of commitment is argued to be one of the major barriers against successful project delivery. This investigation was aimed at to explore how contractor commitment challenges can be resolved to improve their performance in the project delivery. A survey research method was used to collect data, and Likert scale was applied to evaluate the relative importance of the contractor commitment challenges. Followed by conceptual System Dynamics (SD) modelling principle was used to develop causal feedback relationships among the variables influencing contractor commitment and to develop mechanisms to resolve the challenges. Findings suggest that lack of experience, skill, inadequate supervision, and lack of control over the subcontractors lead to contractor’s inefficiency. Poor planning and scheduling, poor professional management, poor execution of projects, ineffective/outdated equipment, and inefficiency of labour force result in poor quality of work and delay. In addition, design and documentation challenges disrupt the contractors’ schedule. The interlinkage among these variables hinders contractor commitment. However, policy/strategic interventions based on the causal feedback relationships among contractor efficiency, and (1) capacity building; (2) professional management; (3) construction methods; and (4) involvement of the contractor and client in the design process would enable the contractors to overcome their challenges to meet their commitment and improve efficiency in project delivery. en_US
dc.format.extent 255 986 bytes, 1 file
dc.format.mimetype Application/PDF
dc.language.iso en_US en_US
dc.publisher Journal of Construction Project Management and Innovation en_US
dc.subject Contractor en_US
dc.subject Commitment en_US
dc.subject Delay en_US
dc.subject Performance en_US
dc.subject Project en_US
dc.subject System Dynamics en_US
dc.title Resolving contractor commitment challenges in project delivery by using conceptual system dynamics models en_US
dc.type Article en_US

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