CAUSES AND MINIMIZATION STRATEGIES OF WASTAGES IN SELECTED BUILDING MATERIALS
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Date
2012
Authors
Oladiran O.J.
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Nelson Mandela Metropolitan University, Gqeberha, South Africa
Abstract
Materials wastage is a common feature in many building sites and poses great challenges to the construction industry globally. Some materials are known for their high level of waste incidence from one site to the other. Cement, concrete, timber and steel are materials that account for over 50% of the cost of materials in any project. It is opined that a reduction in the wastages of these specific materials will result to low construction cost amongst other benefits. This study investigates the causes and minimization strategies of wastage in these four materials on building sites in Nigeria. The population of the study is construction professionals in organizations in Lagos State, Nigeria. The survey research involves the use of a questionnaire administered via convenience sampling techniques, which resulted to a sample size of 31. Descriptive and inferential statistics tools are used for the analysis. The study reveals that improper storage contributes most to cement, timber and steel wastages while that of concrete is improper batching. Good storage, purchase of good quality cement, ordering required quantity and proper bagging were highlighted for minimizing cement wastage. The study recommends usage of the strategies discovered in this study to curb wastage incidence.
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Citation
1. Oladiran, O.J. (2012). Causes and minimization strategies of wastages in selected building materials. Proceedings of 2nd NMMU Construction Management Conference, 25th - 27th November, Port Elizabeth, South Africa.