Material management practices on construction site in Nigeria.pdf

The cost of construction material in a construction project may range from 30 – 80 % of total construction cost making it a prime uncertainty in a construction project. Construction project cost overrun is a vital subject that should be considered in the construction industry. Construction project cost overrun has resulted in a delay in completion of projects and in some cases leading to litigation. The research aimed to find out the key causes and effect of poor material management and measures taking in place to improve it. A questionnaire survey administered to 45 construction professionals, their perception of root causes and effects of poor material management toward the causes and effects that were extracted from the literature review. Moreover, the relationship between different material management practices and project performance in terms of cost, quality and time were acquired from this questionnaire. The study found the top 3 most common root causes of poor material management identified were Negligence of workers, Incorrect take-off from design and drawing document and Management of surplus material. In addition, the top three effects of poor material management identified were Wastage of material, Increase in cost of production and Quality issues.