School of Environmental Technology (SET)

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School of Environmental Technology (SET)

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Start date: 2024Has files: Yes

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    Thermal Comfort Performance of Thermoelectric Peltier Module Refrigeration System in Built Environment
    (School of Environmental Technology, Federal University of Technology Minna. PMB 65, Minna, Niger State Nigeria., 2024-11-29) Musa Titus Dada; Ejiga Anthony Ejiga
    According to data provided by the International Energy Agency, nearly 1.6 billion air conditioning (A/C) systems were operating globally in 2017, accounting for approximately 6% of the overall final energy consumption. To address the energy and economic challenges posed by such extensive use of air conditioning for thermal comfort, it is imperative to identify alternative solutions that can effectively operate in warm-humid environments. This study explored the thermal comfort performance of thermoelectric module refrigeration (TEMR) system in built environment; installed in a single-room facility in Minna, Niger State, Nigeria, over a one-month period. The experimental setup involved a test room measuring 1.3 m x 2.6 m x 3 m, equipped with aluminum roofing, an asbestos ceiling, an aluminum-framed window, and a steel door. The TEMR system was assessed for its ability to regulate indoor temperature and humidity under varying external climatic conditions. The TEMR system operated at a constant current of 6.4A, with data collected at specific intervals throughout each day. Results indicated that the TEMR system significantly reduced indoor air temperature and relative humidity, particularly during peak operational hours (12:00 pm to 2:00 pm). Weekly variations showed temperature drops from 37°C to 22°C and humidity reductions from 60% to 32% within 60 minutes of operation. These findings align with ASHRAE Standard 55-2017 for indoor environmental quality. The study concludes that the TEMR system is effective in improving indoor climatic conditions, offering a sustainable and energy-efficient cooling solution. Its performance, influenced by external climatic factors, demonstrates potential for broader application, particularly in developing regions where long- term, low-maintenance, and environmentally friendly cooling solutions are needed.
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    Assessment of void periods in residential buildinds in Minna, Nigeria
    (UNIVERSITY OF THE WITWATERSRAND, JOHANNESBURG, 2024) Rukaiyat Adeola Ogunbajo; Shien Stephen Kuma
    The period of void is a major challenge faced by investors in residential buildings in Minna. Re-letting vacant apartments takes a while, and in many cases, newly completed residential buildings experience voids. Therefore at what level of void periods, residential building types are most vulnerable, as well as locational differences are the critical questions that informed this study. Thus, the study aimed to provide an in-depth assessment of void periods in buildings among residential neighbourhoods in Minna, Nigeria. The objectives are to assess the level of void periods, analyse variations across residential building types, and explore neighbourhoodlevel differences in the study area. The study utilized a quantitative research design, employing a structured questionnaire that was distributed to ESVs, LEAs, and property owners who oversee the management of the 1,500 residential units that were selected for the sample in 13 different sted analysis of variance, and the Games-Howell post hoc test were used for data analysis. The findings revealed aggregate mean void periods of 4.87, 5.47, 5.13, and 7.03 months for tenement, 1-bedroom, 2-bedroom, and 3-bedroom residential building types. This outcome varies significantly among the building types across the 13 neighbourhoods in terms of those with high and low void periods. The study concludes that there are relatively high void periods in the Minna residential property market and the need for collaborative efforts towards stemming the tide.
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    Influencing Factors of Land Dispute in South West Nigeria
    (FEDERAL UNIVERSITY OF TECHNOLOGY, MINNA, 2024) Dairo O. Elizabeth; Sule A.I.; Nuhu M. B.; Ogunbajo R.A.
    In Nigeria, particularly in the South-West, the unpleasant consequences emanating from land ownership disputes such as killings, destruction of properties, ethnic and tribal violence, political protests, and multiple sales of land result in a seeming or assumed ambiguity about the real ownership of the land. It was on this basis that this work comparatively analyses measures adopted in managing land disputes in Southwest Nigeria, with a view to developing guidelines for the most effective and efficient measures. A systematic random sampling method was used in selecting the landowners and lawyers, and a purposive sampling technique was used in selecting the directors in the states. Primary data were collected using a questionnaire administered to 955 landowners, 456 lawyers, and 17 directors. Also, seven experts were interviewed, which was made up of 4 lawyers and 3 directors. Descriptive, chi-square, Anova, content analyses, and case studies were used for the analysis. The findings as regards the overall type of disputes in communities in the south west indicate that 22.5% of the respondents encountered boundary disputes, 21.8% encountered land grabbing disputes, 21.5% encountered community land disputes, 30.6% encountered ownership property rights, and the remaining 13.6% encountered encroachment disputes. The land owners found that greed and lack of love generate land disputes in Ondo State, coownership and idle land in Ekiti State, and poverty and lack of love in Osun State. The lawyer found that encroachment and virgin land cause land conflicts in Ondo, Ekiti, and Osun states. The director found that co-ownership, encroachment, and virgin land cause land disputes in Ondo State, Ekiti State, and Osun State respectively. The study recommended that the government, through its agencies, should look into the establishment and creation of more land resolution agencies to resolve issues around land matters. The government should mitigate the nefarious activities of land officers or community land owners by encouraging them to do the needful.
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    Assessment of Public Real Estate Investment Performance in North Central Nigeria: A Literature Review
    (FEDERAL UNIVERSITY OF TECHNOLOGY, MINNA, 2024) Zakari U. Dodo; Mohammed B. Nuhu; RukaIyat A. Ogunbajo; Adeyosoye B. Ayoola
    This paper examines the performance of public real estate investments in North Central Nigeria, focusing on their impact on economic development, infrastructure, and social welfare. A comprehensive literature review was conducted, drawing from recent studies on public real estate investment in developing nations. The methodology is a systematic literature review to assess the performance of public real estate investments in North Central Nigeria. Academic journals, government reports, and conference proceedings from the past decade were reviewed to gather relevant information on the subject. A search was conducted using keywords such as "public real estate investment," "North Central Nigeria," "housing development," "infrastructure," and "economic impact." The findings highlight how public real estate investments contribute to job creation, housing development, and infrastructural improvements. However, significant challenges such as inequitable housing distribution, limited access to amenities, and inefficient planning remain. The paper provides insights into how these investments can be better aligned with community needs for improved social and economic outcomes.
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    Potential Impact of Smart Building Elements on Commercial Property Investments in Lagos State, Nigeria
    (FEDERAL UNIVERSITY OF TECHNOLOGY, MINNA, 2024) Joy E. Omoare; Unekwu J. Adama; Namnso B. Udoekanem; Rukaiyat A. Ogunbajo
    The impact of smart building elements on commercial property investment in recent years including the landscape of real estate investment has undergone significant transformation across the globe, particularly in emerging economies such as Nigeria. This study explores the potential effect of Smart Building Elements (SBEs) on commercial property investment in Nigeria, as the global narrative of real estate investment has been progressively influenced by the Fourth Industrial Revolution Technologies (Industry 4.0), particularly through the integration of (SBEs). In developed regions like the United States, evidence in literature suggests that investors are securing higher premiums in rents and transaction prices by incorporating technologies such as the smart building elements which include sensors, smart meters, smart security cameras, smart thermostats and smart lighting systems into commercial properties. SBEs address the complex demands of commercial spaces which include enhanced comfort, improved accessibility, heightened security, and efficient energy management. The study methodology is based on a review of published articles in peer-reviewed journals and conferences, accessed from online search engines including Google scholar, ResearchGate and Scispace. Results show SBEs facilitate predictive maintenance, enhance space utilization, achieve significant returns on investment, increase tenant satisfaction and retention. Notably, stakeholders (investors, facility managers and tenants) in the real estate sector are aware and accept SBEs. Nevertheless, predominant literature did not capture the tangible economic impact and the operational benefits SBEs can deliver in Lagos state, Nigeria. This research gap underscores a critical need for in-depth empirical study on how SBEs specifically affect commercial property investment outcomes in Lagos state, Nigeria.
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    Effect of Demographic Features on Household Residential Mobility in Bida
    (School of Environmental Technology International Conference 2024 (SETIC 2024),School of Environmental Technology, Federal University of Technology Minna, Niger State Nigeria, 2024) Samuel j.; Kemiki O.A.; Ajayi M.T.A.; Musa H. D.; Olawale A.A.
    This study examined the impact of demographic characteristics on household residential mobility in Bida, Nigeria. Residential mobility, a critical aspect of urban dynamics, is influenced by various demographic factors including age, income, education level, household size, and employment status. Through a descriptive survey approach, the study administered questionnaires on 385 residents of selected neighbourhoods in the study area with 276 questionnaires, indicating 83.6, returned valid for analysis. The collected data were analysed descriptively with frequency tables, percentage distribution and mean values. Findings of the study indicated a steady pattern of residential mobility across the selected neighbourhoods with high income earners more susceptible to mobility than their low-income counterparts. It was further observed that highly educated and younger households exhibit greater mobility, often seeking improved housing conditions and employment opportunities. In contrast, lower-income households tend to have lower mobility rates, constrained by economic limitations and affordability issues. This implies that economic demographic feature (income, employment and home ownership status) is more effective than social features (age, marital status, religion, cultural and social ties) in determining residential mobility (weighted mean score of 3.55 for social features and 3.66 for economic features). The study highlights the importance of understanding demographic influences on residential mobility to inform urban planning and housing policies aimed at fostering equitable and sustainable urban development by concluding that demographic features indeed influence residential mobility pattern over time. The need for policy formulation, such as improvement of economic possibilities, encouragement of affordable house ownership, and the promotion of education and skill development, are recommended.
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    Factors influencing implimentation of safety measures against scaffolding Accidents on construction site
    (School of Environmental Technology International Conference (SETIC 2024), 2024-11-29) Otaru, S, Abdullateef, A.S. Muhammed, Y.D. & Alumbugu, Polycarp Olaku
    Scaffolding accidents are one of the leading causes of injuries and fatalities on construction sites. This systematic review assesses the factors influencing the implementation of safety measures to prevent scaffolding accidents. The revlew draws on a comprehensive search of scholarly databases, including PubMed, Google Scholar, and others, to identify relevant studies published between [2011] • and [2023]. The review concludes that while safety regulations exist, economic and organizational barriers often hinder their effective implementation. Recommendations for Improving compliance and prioritizing safety on construction sites are discussed. total of 56 studies met the inclusion criteria, covering various aspects such as regulatory and policy issues, economic constraints, awareness and training, cultural and behavioral factors, quality of safety equipment, and management practices, The findings reveal that regulatory enforcement gaps, insufficient worker training, financial limitations, and negative safety attitudes are the primary barriers to effective implementation of scaffolding safety measures. The review concludes by recommending policy enhancements, improved training programs, economic incentives for compliance, and cultural shifts towards prioritizing safety. These recommendations aim to mitigate scaffolding-related accidents and foster a safer construction environment in Abuja, Further research is suggested to evaluate the impact of targeted interventions on safety outcomes.
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    Assessement of challanges against Business Continunity Planning In construction Micro, Small and Medium Enterprises Compitencies
    (School of Environmental Technology International Conference (SETIC 2024), 2024-11-29) Ohiwere, E. & Alumbugu, Polycarp OLaku
    The aim of this study is to assess the challenges militating against business continuity planning (BCP) in construction micro, small and medium enterprises (CMSMEs) in Abuja, Nigerla, with a view to improve the competence of BCP MSMEs. This study relied on a quantitative approach to obtain the data needed to answer the research objectives, This was done through the administration of questionnaires in a survey of selected members of the population. The target population for this research was the owners/management staff of the CMSME organizations within the study area. They constitute the major stakeholders of SMEs within the construction industry who make the decision regarding the day to day running of the CMSMEs that the study is Interested in. Therefore, the sample size for the study was 223. A simple purposive sampling procedure were used to select the participants involved in construction work in the study area. Descriptive statistics such as Mean Score and standard deviation was used to assess the challenges militating against business continuity planning (BCP) in construction micro, small and medium enterprises. The findings revealed that the most important challenges militating against business continuity planning (BCP) in construction micro, small, and medium enterprises (CMSMEs) in Abuja is little government support (MIS = 4,27), On average, all 32 challenges militating against business continuity planning (BCP) in construction micro, small, and medium enterprises (CMSMEs) in Abuja, Nigeria, were important (MIS = 4.16). To enhance the competencies of construction Micro, Small, and Medium Enterprises (MSMEs) in Abuja for effective business continuity planning (BCP), the following recommendations are proposed: Government agencies, construction associations, and educational institutions should organize targeted training programs to educate MSMEs on the importance of BCP. Keywords: Business, Competencies, Construction,
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    Impact of Logistics mamagement practices on construction firm performance
    (School of Environmental Technology International Conference (SETIC 2024), 2024-11-29) Aisha, Magaji, Alumbugu, Polycarp Olaku & Abdullateef A Shittu
    Construction projects are characterized by a unique element of temporariness as production is carried out at the final pláce of consumption with new production sites in each new project. This uniqueness indicates that logistics in construction needs to be managed in a more dynamic way to and from sites. Unfortunately, the Nigerian construction industry faces challenges of corporate logistics leading to delayed and inaccurate information, incomplete services, slow and inefficient operations, and a high product damage rate. The study therefore assessed the impact of a set of logistics activities on construction firms' performance in Abuja with a view to enhancing project delivery. The study adopted a quantitative research approach using the survey research design. Structured questionnaires were used to collect data from 327 logistics officers of construction firms registered with Corporate Affairs Commission, Abuja at a response rate of 30.58%. Analysis of data was undertaken using descriptive statistics such as percentage, frequency counts and Mean Item Score (MIS); and inferential statistics such as Spearman Rank (rho) correlation analysis with the aid of IBM 23,0 SPSS software, The study identified thirteen (13) logistics management activities, of which ones adopted the most were "Order Processing" (MIS = 4.48), "Replenishment" (MIS = 4.40) and "Dispatching" (MIS = 440). The logistics management activities adopted the least were "Tracking" (MIS = 3,62) and "Transportation" (MIS = 3.48). The study also identified nine (9) Key Performance Indicators required in testing logistics management practices, out of which the most important ones were "Quality" (MIS = 4.53) and "Serviceability" (MIS = 4.50). It was also revealed that there exists a strong. positive and significant relationship between the adoption of combined logistics management activities and construction firms' performance in Abuja (r = 0,568; p = 0,000). The study concludes that the impact of a set of logistics activities on construction firms' performance in Abuja is significant and can enhance the delivery of construction projects. It was therefore recommended that in order to enhance the level of adoption of logistics management practices, construction firms should develop a mechanism that will be based on reduced delays in material delivery, minimization of disruptions caused by material shortages or logistical bottlenecks and maintenance consistent progress on construction projects.
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    Assessment of impact of survival management strategies on Quantity surveying firm
    (School of Environmental Technology International Conference (SETIC 2024), 2024-11-29) Unubi, E, A, & Alumbugu Polycarp Olaku
    The instability of the nation's economy often makes firms focus on their survival and growth throughout their lifetime in an increasing competitive business environment. This thereby, put firms under pressure to offer wider range of services to grow and survive. The rapid changes and increasing competition among the firms in every sector led them to be faced with challenges of how to remain relevant and remain in business of their field of operations, hence, survival became the order of the day for quantity surveying firms (QSFs) as they scramble for effective ways and strategies to survive, Flowing from this knowledge this study aimed at assessing the impact of survival management strategies on quantity surveying firm (QSFs) In Nigeria. However, due to the constraints of time and logistics, the survey for this study was carried out in the Federal Capital Territory (FCT), Abuja which is well endowed with good number of required QSFs. The study assessed the level of awareness and adoption of identified survival management strategies as well as the possible impacts of these survival management strategies on the QSFs in Abuja, Nigeria. Using census sampling, 126 registered and practicing QSFs * were sampled out of the 135 registered QSFs in FCT Abuja. Survey research approach was adopted, a well-structured questionnaire was designed and administered to quantity surveyors in the sampled 126 registered QSFs in FCT Abuja. A total of 109 questionnaires were returned and the data was analysed using mean item score (MIS) and standard deviation (SD). The result of the study showed that, improved service delivery, improved networking, proper financial management, retainment of experienced staff, technology usage and effective management of knowledge toped the essential survival management strategies adopted for the survival of QSFs in FCT. The study concluded that all the identified survival management strategies adopted by the QSFs in FCT, have significantly impacted the QSFs in FCT and Nigeria at large with improved credibility, improved decision making, more effective and efficient organizational management and improvement in technology adoption. Firms networking and collabouration in sharing knowledge with each other, build credibility and foster a good relationship between firms and clients then ensure improved delivery of services.