Topic
Rework
About: Rework is a research topic. Over the lifetime, 1298 publications have been published within this topic receiving 18341 citations.
Papers published on a yearly basis
Papers
TL;DR: In this article, the causes and costs of rework in two construction projects were analyzed and discussed, and it was shown that the cost of the rework for the case study projects was 3.15% and 2.2% respectively.
Abstract: Very few construction companies and consulting firms in Australia measure their costs of quality. Consequently, it is difficult for them to prove that systems for preventing quality failures are cost-effective. Although the direct costs of a quality system can be quantified with some accuracy (salaries, costs of documentation, audits, etc.), the corresponding benefits are far more difficult to assess. Indeed quality failures have become an endemic feature of the procurement process in construction and invariably lead to time and cost overruns in projects. Thus, in order to improve the performance of projects it is necessary to identify the causes and costs rework. The research presented in this paper quantifies the causes, magnitude and costs of rework experienced in two construction projects that were procured using different contractual arrangements. The causes and costs of rework projects are analysed and discussed. The findings reveal that the cost of rework for the case study projects was 3.15% and 2...
519 citations
TL;DR: In this article, the influence of different project types and procurement methods on rework costs in construction projects was investigated and the direct and indirect consequences of rework were analyzed and discussed, and it was found that rework contributed to 52% of a project's cost growth and 26% of the variance in cost growth was attributable to changes due to direct rework.
Abstract: While it is widely recognized that additional costs due to rework can have an adverse effect on project performance, limited empirical research has been done to investigate the influencing factors. The research presented in this paper aims to determine the influence of different project types and procurement methods on rework costs in construction projects. Using a questionnaire survey, rework costs were obtained from 161 Australian construction projects. The direct and indirect consequences of rework are analyzed and discussed. It is shown that, contrary to expectation, rework costs do not differ relative to project type or procurement method. In addition, it was found rework contributed to 52% of a project's cost growth and that 26% of the variance in cost growth was attributable to changes due to direct rework. To reduce rework costs and therefore improve project performance, it is posited that construction organizations begin to consider and measure them, so that an understanding of their magnitude can be captured, root causes identified, and effective prevention strategies implemented.
499 citations
TL;DR: In this article, the authors assess the impacts of rework on construction cost performance for projects in various categories and identify the sources of this rework, permitting further analyses and the development of rew reduction initiatives.
Abstract: Rework continues to affect both cost and schedule performance throughout the construction industry. The direct costs alone often tally to 5% of the total construction costs. Using the data obtained from 359 construction projects in the Construction Industry Institute database, this paper assesses the impacts of rework on construction cost performance for projects in various categories. In addition, it identifies the sources of this rework, permitting further analyses and the development of rework reduction initiatives. The results of this study establish that the impacts of rework differ according to project characteristics and that the sources of rework having the greatest impact are not significantly different among project categories. By recognizing the impacts of rework and its sources, the construction industry can reduce rework and ultimately improve project cost performance.
356 citations
TL;DR: Models have been developed to determine the optimum batch quantity in a single-stage system in which rework is done under two different operational policies to minimize the total system cost.
266 citations
TL;DR: An EPQ type inventory model with planned backorders for determining the economic production quantity for a single product, which is manufactured in a single-stage manufacturing system that generates imperfect quality products, and all these defective products are reworked in the same cycle is developed.
254 citations
Related Topics (5)
Performance Metrics
| Year | Papers |
|---|---|
| 2025 | 61 |
| 2024 | 83 |
| 2023 | 189 |
| 2022 | 280 |
| 2021 | 67 |
| 2020 | 80 |