Labor waste in housing construction projects: an empirical study
Auteur(s): |
Soraya Nassri
Saeed Talebi Faris Elghaish Kayvan Koohestani Stephen McIlwaine M. Reza Hosseini Mani Poshdar Michail Kagioglou |
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Médium: | article de revue |
Langue(s): | anglais |
Publié dans: | Smart and Sustainable Built Environment, janvier 2022, n. 2, v. 12 |
Page(s): | 325-340 |
DOI: | 10.1108/sasbe-07-2021-0108 |
Abstrait: |
PurposeHigh-level labor waste is a major challenge in construction projects. This paper aims to identify, quantify and categorize labor waste in the context of Iranian housing construction projects. Design/methodology/approachThis research uses a case study approach, with empirical data collected through direct observations and semi-structured interviews. FindingsHaving triangulated the findings from the literature review and empirical studies, a list of eight types of waste was derived for the thirteen observed laborers in ten case study projects. The empirical studies allowed the labor waste identified from the literature to be verified and refined by considering it in the context of the observed activities, and led to two new types of waste being identified which were not considered in the literature. Findings indicate that nearly 62% of laborers' time is spent on non-value-adding activities. It appeared that “unnecessary movement,” “waiting” and “indirect work” make up the highest labor waste. Research limitations/implicationsThis research focuses only on onsite resource flows in a housing construction site. It does not include offsite flows such as material delivery to site. Originality/valueThe findings have provided substantial evidence on type and amount of labor waste and provide a solid basis to stimulate construction actors to participate in reducing labor waste and improving productivity. |
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10779741 - Publié(e) le:
12.05.2024 - Modifié(e) le:
12.05.2024