Causes of Quality Deviations in Design and Construction
Publication: Journal of Construction Engineering and Management
Volume 118, Issue 1
Abstract
Quality deviation data are collected from nine fast‐track industrial construction projects. The data are collected after the construction phase of the projects and identify the direct costs associated with rework (including redesign), repair, and replacement. Analyses of the data indicate that deviations on the projects accounted for an average of 12.4% of the total project costs. Furthermore, design deviations average 78% of the total number of deviations, 79% of the total deviation costs, and 9.5% of the total project cost. Construction deviations average 16% of the total number of deviations, 17% of the total deviation costs, and 2.5% of the total project cost. These values are conservative because they consider only direct costs, but they are indications of the areas that cause the greatest impact on total project costs. By applying the procedures presented in this paper to its historical records, a company can identify not only its deviation costs, but also the most likely areas on which to focus to reduce these costs on future projects.
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References
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Information & Authors
Information
Published In
Journal of Construction Engineering and Management
Volume 118 • Issue 1 • March 1992
Pages: 34 - 49
Copyright
Copyright © 1992 ASCE.
History
Published online: Mar 1, 1992
Published in print: Mar 1992
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