Divergence or Congruence? A Path Model or Rework for Building and Civil Engineering Projects
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Rework has been identified as a major contributor to cost and schedule overrun in construction projects. Previous studies that have examined rework are based on a limited data sets and thus eschew generalizations being made about the key determinants. Using data from 260 completed building (n=147) and civil engineering (n=113) projects, path analysis is used to develop a structural model of the most significant causes of rework. The model revealed that the paths of client-directed changes, site management and subcontractors, and project communication were statistically significant contributors to rework costs. The analysis confirmed that the lack of attention to quality management resulted in higher rework costs being incurred in the projects sampled. The analysis also revealed that there were no significant differences between building and civil engineering projects in terms of the direct and indirect cost of rework experienced, and the effectiveness of the project management practices implemented. Considering the findings, it is suggested that generic strategies for reducing the incidence rework in construction and civil engineering projects can be developed.
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Ekambaram, P.; Love, Peter; Kumaraswamy, M.; Ng, T. (2014)Purpose – Rework is an endemic problem in construction projects and has been identified as beinga significant factor contributing cost and schedule overruns. Causal ascription is necessary to obtainknowledge about the ...
Love, Peter; Sing, Michael (2013)Rework arises due to design errors, changes and omissions during design and has been found to contribute to 52% of a project’s cost overrun. The statistical characteristics of rework costs experienced from contract award ...
Love, Peter; Edwards, D.; Smith, J. (2016)Rework is a chronic problem in construction and engineering projects. A wide variety of studies examining the nature of rework have been undertaken since the seminal research of Burati in the early 1990s, which examined ...