Browsing by Author "Ganiyu, Amuda-Yusuf"

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    Awareness of Factors Contributing to Sustainable Construction in Nigeria
    (International Journal of Real Estate Studies, 2020-06-21) Ganiyu, Amuda-Yusuf; Maimuna, Orire Abdulraheem; Wasiyu, Mayowa Raheem; Ranti, Taibat Adebiyi; Soliu, Idris; Stephen, Eyinaya Eluwa
    The need to slow down climate change and global warming has made sustainable development major issue among policy makers and world leaders. Awareness on sustainability concept among industry practitioners is crucial in influencing design, materials selection and construction methods. The aim of this study is to examine the level of awareness on key sustainability concepts and factors that influence their adoption during construction by practitioners in Nigeria. Through an online survey, 120 copies of semi-structured questionnaire were administered on built environment practitioners such as architects, engineers, quantity surveyors, and builders working in client, contracting, consulting and academia with 77% response rate. Factorial two-way ANOVA was performed to examine if there are differences in the level of awareness of factors contributing to sustainable construction among the groupings. Also, binomial logit regression analysis was adopted in predicting the factors that significantly influence adoption of sustainability concept among practitioners in construction industry. The study revealed that professionals from client organization recorded highest (3.8) mean score in terms of awareness on sustainability concept followed by those from academia (3.6), consulting (3.0) and contracting (2.2). In terms of factors that significantly influence adoption of sustainability concept during construction, findings from the study revealed that academic qualification (β =2.226, p <0.05) and type of organization (β =1.127, p p<0.05) significantly influence adoption of sustainability concept during construction. Practitioners with high academic qualification and those from client organization, exhibited high level of awareness on sustainability concept, this equally influenced their adoption of key elements of sustainability (site planning, energy efficiency, water efficiency, renewable energy, resource conservation, material reuse, indoor environmental quality) during construction. The determination of the level of awareness and adoption of factors contributing to sustainable construction by practitioners will serve as guide to industry practitioners regarding issues to integrate into design and construction project from inception to completion. To improve awareness of sustainable practices in the industry, stakeholders should direct efforts towards organizing seminars, conferences and workshops centered on sustainable construction through the various professional bodies at state and local government levels.
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    Evaluation of Risk Factors Affecting Cost and Time Performance of Civil Engineering Projects in Kwara State.
    (Environmental Technology & Science Journal, 2019-12-19) Idris, Soliu; Oluwaseyi, Awodele; Ganiyu, Amuda-Yusuf
    The construction industry is known for being very poor compared to other industries in the identification, assessment and management of project related risks. Civil engineering projects in particular are riskier due to the nature, complexity and enormous amount of resources required. However, project team usually failed to analyse these risks at beginning of the project, consequently leading to cost and time overrun and unsatisfied client. This paper aimed at evaluating the potential risk factors associated with civil engineering projects with the view to achieving overall project objectives. 31 risk factors were identified from the literature and were used as basis for structuring the questionnaire administered to the Architects, Quantity Surveyors and Engineers in Kwara State. Eighty (80) questionnaires were administered; fifty one (51) were retrieved and analysed using mean item score for the identified factors. Research findings showed that incomplete design, unstable inflationary trend, delay in progress payment, financial difficulties, improper project planning, inadequate programme planning and foreign exchange rate had greatest impact on civil engineering projects. Whereas factors such as Force majeure, labour dispute and strike and mistakes and discrepancies in contract documents has least impact. The study recommends that project team should identify and quantify project related risk at the initial stage and allocate the risks to party/parties suitable to control them. The significant of this study is that, the identification of the risk factors serves as a watch list of risk that the project team should watch out for, and the evaluation of probability of occurrence and severity will enables the project team determine the level of impact the risk can have on cost and time performance of civil engineering projects.