An Empirical Study of Construction Wastes in Minna and Abuja, Nigeria

Abstract

A paper aims to analyze on-site production and sources of construction wastes through data obtained from a detailed questionnaire survey and structured interviews conducted in Minna and Abuja. A questionnaire survey was conducted to investigate the compositions of these construction waste and their sources. One hundred and ten copies were sent to governmental officers, designers, engineers, and contractors, 84 responses were received, in which the respondent rate was about 76.4 percent. According to the survey results, concrete, cement, brick, timber, tile, steel and aluminum wastes were the main waste types produced on construction sites. The sources of these wastes were varied. Suggestion to improve the existing waste situation were also discussed.