Browsing by Author "Olowa, Theophilus O.O."
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Item APPRAISAL OF APPLICATION OF VALUE ENGINEERING METHODOLOGY IN MECHANICAL AND ELECTRICAL SERVICES INSTALLATIONS(Penerbit UTM Press., 2015) Amuda Yusuf, Ganiyu; Sanni, Afeez O.; Olowa, Theophilus O.O.Value engineering (VE) is a structured team-oriented problem solving approach that can be applied throughout the lifecycle of a building project. However, the methodology is rarely applied in mechanical and electrical services (M&E) installations in buildings because clients are not aware of the potential benefits of adopting VE and different members of design team lack the requisite knowledge about VE methodology. As a result, a great deal of unnecessary cost is created due to the increasingly complex nature of M&E services in buildings leading to cost overruns and unhappy clients. The purpose of this study is to investigate the level of adoption of VE methodology in the design and installations of M&E services in buildings in Malaysian construction industry. The research method adopted is questionnaire survey to industry practitioners and inferential statistics was adopted for data analysis. Findings from the study show that, VE is not well appreciated in the industry and there is no structured approach adopted for its adoption for the procurement of mechanical and electrical services. Practitioners are of the opinion that implementation of VE could lead to: significant capital and life cycle cost savings in buildings generally; alignment of stakeholders and construction process improvement; improved client satisfaction, and shared understanding among key participants. An implementation framework was developed which emphasised on the need for early involvement of consultants and collaboration between the downstream supply chain for effective implementation of VE methodology on mechanical and electrical services.Item RISK FACTORS IMPACTING COST AND TIME PERFORMANCE OF MECHANICAL AND ELECTRICAL SERVICES PROJECTS(Faculty of Environmental Design and Management, 2017) Amuda Yusuf, Ganiyu; Adebiyi, Ranti Taibat; Olowa, Theophilus O.O.; Olorunoje, Lukeman O.; Idris, SoliuMechanical and electrical (M&E) services project is complex in nature and involves a large number of specialist organisations entering the project life cycle at different stages with different lines of relationships, responsibilities and risk management capabilities. Hence, a number of risk arises at the design and installation stages which results into poor cost and time performance in M&E services projects. This paper identified and rank the risk factors affecting cost and time performance of M&E services project. A total of 30 risk factors identified from preliminary investigations was adopted as basis for a questionnaire survey to industry practitioners in Nigeria. Mean response analysis was used to determined the probability and severity of the risk factors and risk impact scores was used to rank the relative importance of the risk factors. Analysis of variance (ANOVA) was used to investigate differences of opinions between respondents'. The study identified 23 risk factors (risk impact >3.5) impacting M&E service projects. Out of these risk factors, 7 has significant impact while the rest have moderate impact. The 7 risk factors in order of their significance are: high foreign materials content, poorly prepared tender document, late involvement of M&E engineers, non-involvement of specialist designers, government policy change, poor specification and poor coodination of design imputs. In addition, ANOV A results show that no significant difference exists among the professionals on these 7 risk factors. This suggests that the risk level of M&E services project is high. The identification and ranking of the risk factors has practical implication in M&E services project. The risk identification and ranking table is a good tool for assessment of risks related to M&E services at project inception. This will allow the client and contractor to understand the high risk areas in M&E services project and, where applicable, assign responsibility for those risks to the party or parties best situated to control them.