Department of Construction & Wood Technology Education
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- ItemA bibliometric review of the status and emerging research trends in construction safety management technologies(International Journal of Construction Management, 2020) Mariam, Akinlolu; Theo, C. Haupt; David, John Edwards; Fredrick, SimpehTechnologies such as virtual reality (VR), online databases, Geographic Information Systems (GIS), Building Information Modelling (BIM), Unmanned Aerial Vehicle (UAV), 4 D Computer-Aided Design (4 D CAD), wearable robotics have been adopted to improve construction site health and safety. However, little attempt has been made to map global research on construction health and safety technologies. Therefore, this paper conducts a review of technologies for construction health and safety management to reveal emerging research trends. A bibliometric review adopting a two-step literature selection method was conducted to compile relevant publications from the Scopus database. In total, 240 related papers were examined. VOSviewer was used to develop a co-occurrence network based on the bibliographic data obtained. The analysis focussed on co-authorship per country, country/region distribution, the num ber of publications annually, publication source and source and trend of research topics. Findings revealed that emerging trends in construction health and safety technologies research focussed on pro ject health and safety design and planning, visualisation and image processing for construction projects, digital technologies for project monitoring, information management and Internet of Things, automation and robotic systems, health and safety and accident prevention and structure evaluation
- ItemA comparative analysis of student housing security measures(The ASOCSA 14th Built Environment Conference, 2021) S, Adisa; F, SimpehSecurity lapses have been identified as a problem in most on-campus Student Housing Facilities (SHFs) in South Africa. Thus, this paper investigates the security measures provided in the SHFs of two South African universities with the aim of identifying areas where improvements are required. The study adopted both qualitative and quantitative survey approach. Qualitative data was collected from the university health, safety, and environment officers of both universities whilst the quantitative data was collected by means of questionnaire from the students. Descriptive (mean score) statistics was used to analyse the quantitative data whereas thematic analysis was used for the qualitative data. The study found that the security measures provided in the SHFs of University B were better than those provided in the SHFs of university A. Although university B had a better provision, some lapses were identified such as inadequate Closed-Circuit Television (CCTV) and absence of weapon detector. In addition to these two lapses identified in university B, university A had lapses in the provision of access control, security patrol, electronics coded locks on door, and security alarm in most of the residences. Thus, security lapses identified in both institutions were inadequate CCTV and absence of weapon detector. The study provides empirical information that can help the university health and safety officers and facility managers to improve the SHFs security measures. Keywords: measures, security, student housing facility, universities
- ItemA comparative analysis of student housing security measures(Earth and Environmental Science, 2017) Simpeh, Fredrick; S, AdisaSecurity lapses have been identified as a problem in most on-campus Student Housing Facilities (SHFs) in South Africa. Thus, this paper investigates the security measures provided in the SHFs of two South African universities with the aim of identifying areas where improvements are required. The study adopted both qualitative and quantitative survey approach. Qualitative data was collected from the university health, safety, and environment officers of both universities whilst the quantitative data was collected by means of questionnaire from the students. Descriptive (mean score) statistics was used to analyse the quantitative data whereas thematic analysis was used for the qualitative data. The study found that the security measures provided in the SHFs of University B were better than those provided in the SHFs of university A. Although university B had a better provision, some lapses were identified such as inadequate Closed-Circuit Television (CCTV) and absence of weapon detector. In addition to these two lapses identified in university B, university A had lapses in the provision of access control, security patrol, electronics coded locks on door, and security alarm in most of the residences. Thus, security lapses identified in both institutions were inadequate CCTV and absence of weapon detector. The study provides empirical information that can help the university health and safety officers and facility managers to improve the SHFs security measures.
- ItemA correlational Study of the Functional Utility of Students’ Furniture in Senior High Schools in Ghana(International Journal of Innovative Research in Science, Engineering and Technology, 2015-05) Effah, Bernard; Boampong, ErnestThis study on ergonomic impact of furniture design on the health of students was necessitated by the need to look into the health problems posed to students by furniture used in the classroom, its compatibility to users and the number of movements students make in the furniture. Systematic random sampling method was used to choose a sample of 120 students from a population of 482 students. The subjective evaluation of the health problem of the students was made by questionnaire and structured observation techniques. Students selected were given questionnaire to obtain information on their background, back pain, discomfort/complaints and satisfaction with classroom furniture. In using correlation and regression analysis in the study, there was significant association of the backrest shape as a cause of upper back pain at 0.182** (5%). There was also a significant association between students feeling neck pain when sitting on mono-desk at 0.344*** (10%) and other related musculoskeletal disorders. Students recommended for furniture with broad seat, clearance space for thighs and legs in order for them to feel comfortable in the classroom when they sit in the mono-desk.
- ItemA framework towards health and safety knowledge transfer from the construction industry to the community in developing countries: a case study of Ghana(International Journal of Construction Management, 2015-03-05) Danso,Humphery; Willam, Justice; Fugar, Frank; Emmanuel, AdinyiraThis study aims at developing a framework to transfer health and safety knowledge (H&SK) from construc tion companies to project host communities as their corporate social responsibility (CSR) in a developing country. This study combined quantitative and qualitative enquiries into a mixed method. Face-to-face, semi-structured interviews were conducted in a case study of the Ghanaian community and a construction company. 250 contractors comprised 155 building contractors, and 95 road contractors partook in the study. One sample t-test and thematic analysis were the analytical tools employed for this study. This study found eleven enablers of knowledge transfer from construction companies to a project host community and nine enablers of diffusion of knowledge in the Ghanaian community. The study further found that H&SK is com patible with Ghanaian cultural norms and values and that Ghanaian citizens are willing to adopt and share H&SK with their neighbours. It further found that H&SK can be transferred through family ties. It is expected that the framework put forward by this study would provide construction companies with the means to carry out their CSR with little budgetary constraints. It will also help to address the challenges in CSR imple mentation in the industry in Ghana and countries alike and, at the same time, improve the well-being of the citizenry. The framework developed by this study is novel because this is the first time an attempt has been made to provide the construction industry with a means to carry out its CSR in Ghana and to also improve the well-being of the Ghanaian citizenry at the same time
- ItemA Scientometric Review of Student Housing Research Trends(Earth and Environmental Science, 2015) Fredrick, Simpeh; Mariam, AkinloluThis paper presents a scientometric review of student housing studies; exploring the key authors and the collaborations among authors and countries, as well as the research trends with the aim of identifying gaps in this area of research where more studies is required. The VOSviewer software (version 1.6.13) was used for a Scientometrics review of 65 student housing publications from 2000 to 2020. The analysis focused on bibliographic coupling of countries, co-authorship of authors, citation of documents, and co-occurrence of keywords, which were further presented as network visualization maps. Scopus database was selected as the only data source. Therefore, the representation of publications presented in this study are limited to only one data source. The findings revealed that there is a satisfactory level of international collaboration in this research area. United Kingdom had the strongest link whilst Saudi Arabia had the weakest link. Both the keywords and documents citation analysis revealed three main trend of student housing research, i.e. residential satisfaction, post occupancy evaluation, and studentification. Gaps identified where more research is required include sustainable student housing, student housing safety and prioritisation of student’s requirement. This study provides invaluable information on the research trends in student housing studies. Thus, helping to identify gaps where more research is required.
- ItemA Shrinking Projection Algorithm with Errors for Costerro Bounded Linear Mappings(Hindawi, 2020-04-29) Gordon, Joseph FrankThe purpose of this paper is to introduce and analyze the shrinking projection algorithm with errors for a finite set of costerro bounded linear mappings in the setting of uniformly convex smooth Banach spaces. Here, under finite dimensional or com- pactness restriction or the error term being zero, the strong limit point of the sequence stated in the iterative scheme for these mappings in uniformly convex smooth Banach spaces was studied. This paper extends Ezearn and Prempeh’s result for non- expansive mappings in real Hilbert spaces.
- ItemA STUDY ON SIZE VARIATION OF PALM KERNEL SHELLS AS REPLACEMENT OF COARSE AGGREGATE FOR LIGHTWEIGHT CONCRETE PRODUCTION(Conference Paper, 2021) Danso,HumpheryUtilization of palm kernel shell (PKS) as alternative to conventional materials for the construction industry is desirable to promote sustainable development. The purpose of this study is to investigate the physical and mechanical properties of lightweight concrete produced with different sizes of PKS as coarse aggregate replacement. PKS of sizes 6, 8, 10, 12 mm and mixed of all the sizes were used to replace coarse aggregate in concrete which resulted in producing 60 cubes and 30 beams at 7, 14, 21 and 28 days of curing. The tests performed on the concrete specimens are dry density, compressive strength and flexural strength. It was revealed that the densities of the concrete specimens were all less than 2000 kg/m3 , which implies that the PKS concrete satisfied the requirement of lightweight concrete for structural application. The compressive strength of the 12 mm PKS concrete specimens at 28-day of curing was 10.2 MPa which was 4.0 – 15.9% better than the other PKS sizes concrete. The flexural strength of the 12 mm PKS concrete specimens at 28-day of curing was 2.85 MPa which was also 3.2 - 57.07% better than the other PKS sizes concrete. A recommendation for 12 mm PKS size is made to construction practitioners for lightweight concrete structural application
- ItemA STUDY ON THE PROPERTIES OF PLANTAIN PSEUDO-STEM FIBRES, PLANTAIN BUNCH FIBRES AND RICE HUSK FOR CONSTRUCTION APPLICATION(ResearchGate, 2023-05) Danso,Humphery.In the past decade, the substitution of conventional composite materials with natural fibres such as agricul tural by-products have become common in production of sustainable construction materials. The purpose of this study is to assess the properties of plantain pseudo-stem fibres, plantain bunch fibres and rice husk as source of reinforcing elements for composite materials especially for construction application. Ex periments conducted revealed that the fibres and the husk have different lengths and diameter, and their surface texture was rough which is likely to improve bond with matrix. It was also found that the specific weight, water absorption, tensile strength and stress-strain properties of the fibres and the rice husk are within acceptable parameters for natural fibre application. The study therefore concludes that the plantain pseudo-stem fibres, plantain bunch fibres and rice husk possess properties that are suitable for use as reinforcement in composite materials for construction application.
- ItemAlumni Perceptions of Their Alma Mater of a Public University in Ghana(Journal of Education and Practice, 2013) Danso, Humphery; Twum-Ampomah, M KofiThe purpose of the study was to examine alumni perceptions of their alma mater, thus University of Education, Winneba – Kumasi Campus (UEW-K) in Ghana. The study was a cross-sectional survey of 750 respondents using structured questionnaire personally administered. A usable 408 questionnaire were returned, representing 54.5% response rate and analysed using SPSS Version 20.0. The study found six (6) items highly rated by the alumni as activities carried out by their alma mater, with the highest being academic programs. Additionally, the alumni rated highly four (4) items they perceived as values they received from the university, with the highest being the qualification they obtained from the university. Furthermore, three (3) items were highly rated by the alumni as their willingness to give to their alma mater, with the highest being the desire to give. Recommendations are also made to management of the university to put in place the necessary measures to improve their activities. This paper contributes to the body of knowledge in the area of management and administration in higher education
- ItemAn application of GIS and coastal geomorphology for large scale assessment of coastal erosion and management: a case study of Ghana(Springer, 2012-09) Boateng, Isaacct Coastal erosion poses serious threat to life and properties along Ghana's coast. This is because major in dustries, urban settlements, recreational facilities, heritage and conservation sites are located few metres from the coast. In spite of this threat, management strategies, both past and present, remain an "ad hoc" and site specific. Limited atten tion has been given to large scale assessment and investiga tion to detect the rate of coastal recession and the size of land lost to the sea to inform integrated management plan and to formulate sustainable management strategies to deal with the problem. This paper provides large scale assess ment of coastal recession in Ghana through field investiga tion, applied coastal geomorphology and GIS techniques to selected case study areas. The assessment covered 203 km out of the 540 km coastline of Ghana. Results of the assess ment indicate that coastal erosion is very substantial and wide spread along the coast, but the rate of recession varies across the entire coastline. Significant amounts of losses of settlements have been experienced in some localities in the eastern coast (Keta and Ada) and the central coast (Accra, Shama and Sekondi-Takoradi). In some areas, coastal defen ces have been built to reduce the impacts, yet many areas are still very vulnerable. Interestingly, the paper identified that the high rates of retreat recorded in many areas have yet to cause major risks in some local communities because of the presence of a buffer of largely undeveloped land that has existed historically between the shoreline and the develop ments. However, recent increase in coastal tourism in Ghana has led to "scramble" for purchase of these buffer lands for development, which increase the risk. Ghana has the oppor tunity to use education and land use planning to keep the coastline clear of major developments and avoid the temp tation of engaging in costly cycle of development-risk defence experienced in many countries including the UK and the Netherlands. The paper recommends that Ghana should adopt the UK SMP, which has progressively moved away from the traditional re-active and parochial approaches of providing localised hard-engineered coastal defence work to solve what was perceived to be a local problem, to a more pro-active and holistic approach that take full account of coastal dynamics, interrelationships of coastal systems, knock-on effects, environment concerns and developments at the backshore.
- ItemAn application of GIS and coastal geomorphology for large scale assessment of coastal erosion and management: A case study of Ghana(Journal of Coastal Conservation, 2012-09) Boateng, Isaact Coastal erosion poses serious threat to life and 12 properties along Ghana’s coast. This is because major in 13 dustries, urban settlements, recreational facilities, heritage 14 and conservation sites are located few metresfrom the coast. 15 In spite of this threat, management strategies, both past and 16 present, remain an “ad hoc” and site specific. Limited atten 17 tion has been given to large scale assessment and investiga 18 tion to detect the rate of coastal recession and the size of 19 land lost to the sea to inform integrated management plan 20 and to formulate sustainable management strategies to deal 21 with the problem. This paper provides large scale assess 22 ment of coastal recession in Ghana through field investiga 23 tion, applied coastal geomorphology and GIS techniques to 24 selected case study areas. The assessment covered 203 km 25 out of the 540 km coastline of Ghana. Results of the assess 26 ment indicate that coastal erosion is very substantial and 27 wide spread along the coast, but the rate of recession varies 28 across the entire coastline. Significant amounts of losses of 29 settlements have been experienced in some localities in the 30 eastern coast (Keta and Ada) and the central coast (Accra, 31 Shama and Sekondi-Takoradi).In some areas, coastal defen 32 ces have been built to reduce the impacts, yet many areas are 33 still very vulnerable. Interestingly, the paper identified that 34 the high rates of retreat recorded in many areas have yet to 35 cause major risks in some local communities because of the 36 presence of a buffer of largely undeveloped land that has 37 existed historically between the shoreline and the develop 38 ments. However, recent increase in coastal tourism in Ghana 39 has led to “scramble” for purchase of these buffer lands for development, which increase the risk. Ghana has the oppor- 40 tunity to use education and land use planning to keep the 41 coastline clear of major developments and avoid the temp- 42 tation of engaging in costly cycle of development-risk- 43 defence experienced in many countries including the UK 44 and the Netherlands. The paper recommends that Ghana 45 should adopt the UK SMP, which has progressively moved 46 away from the traditional re-active and parochial approaches 47 of providing localised hard-engineered coastal defence work 48 to solve what was perceived to be a local problem, to a more 49 pro-active and holistic approach that take full account of 50 coastal dynamics, interrelationships of coastal systems, 51 knock-on effects, environment concerns and developments 52 at the backshore.
- ItemAn assessment of the costs and benefits of using Acacia saligna (Port Jackson) and recycled thermoplastics for the production of wood polymer composites in the Western Cape province, South Africa(African Journal of Agricultural and Resource Economics, 2017) Effah, Bernard; Mudavanhu, S.; Blignaut, J.N.; Vink, N.; Crookes, D.; Meincken, M.; Murima, D.; Nkambule, N.Acacia saligna (Port Jackson) is one of the most pervasive IAPs in South Africa. The government’s control efforts have by and large not been co-financed by the private sector due to a lack of incentives. Here we develop a system dynamics model to assess the costs and benefits of using the invasive Acacia saligna for the production of wood polymer composites (WPCs). The cumulative net present value for clearing Acacia saligna and making WPCs amounts to approximately ZAR122.1 million for the baseline scenario (no WPC production), and is estimated to be ZAR144.4 million for Scenario 2 (WPC production with 20% co-financing), ZAR172.7 million for Scenario 3 (50% co-financing) and ZAR211.2 million for Scenario 4 (100% co-financing). In addition to these direct financial benefits, the control of Acacia saligna also offers benefits with respect to employment, an increase in the state’s tax revenue base, and an increase in the contribution to GDP.
- ItemAn assessment of the physical impacts of sea-level rise and coastal adaptation: a case study of the eastern coast of Ghana(University of Portsmouth, 2012) Boateng, IsaacSea-level rise is a major coastal issue in the 21st century because many of the world’s built assets are located in the coastal zone. Coastal erosion and flooding are serious threats along the coast of Ghana, particularly, the eastern coast where the Volta delta is located. Past human interventions, climate change and the resultant rise in sea-levels, increased storm intensity and torrential rainfall have been blamed for these problems. Accelerated sea-level rise and storm surge pose serious threat to coastal habitat, bio diversity and socio-economic activities in the coastal zone of Ghana and elsewhere. There is the need for an holistic assessment of the impacts of sea-level rise on the coast zone in order to formulate appropriate adaptation policies and strategies to mitigate the possible effects. Using the eastern coast of Ghana as a case study, this paper assesses the physical impacts of accelerated sea level rise and storm surge on the coastal environment. It evaluates adaptation policies and plans that could be implemented to accommodate the present and any future impacts. Field investigation and Geographic Information System (GIS) are among the methods used for the assessment. The outcome of the assessment has provided compre hensive knowledge of the potential impacts of accelerated sea-level rise and storm surge on the eastern coast. It has facilitated identification of management units, the appraisal of alternate adaptation policies and the selection of the best policy options based upon the local conditions and environmental sustainability. Among other things, this paper reveals that the eastern coast of Ghana is highly vulnerable to accelerated sea-level rise and therefore, requires sustainable adaptation policies and plans to manage the potential impacts. It recommends that various accommodation policies, which enable areas to be occupied for longer before eventual retreat, could be adapted to accommodate vulnerable settlements in the eastern coast of Ghana.
- ItemAn Investigation into the Impacts of Climate Change on Anthropogenic Polluted Coastal Lagoons in Ghana(University of Portsmouth,, 2020) Mitchell, Steve; Couceiro, Fay; Failler, Pierre; Boateng, IsaacThis paper discusses the impacts of Climate Change and anthropo genic activities on coastal lagoons in Ghana. Ghana’s coastal lagoons provide unique ecosystem services. However, they are highly fragile and vulnerable to natural processes and anthropogenic activities. Climate Change impacts, such as increased temperatures, sea-level rise, storm surge and increased precipitation are likely to have eco logical damage to lagoon ecosystems as a result of erosion, submer gence of lagoon barriers, flooding and drying of the surrounding wetlands. Field observation, Geographic Information System model ing were among the methodology applied. The paper identified that anthropogenic activities and Climate Change would combine to have a serious future impact on lagoon ecosystems. Particularly, increased rainfall-induced flooding from the hinterland may be very injurious to the lagoon ecosystem, since the flood water may carry not only nutrients but also various contaminants and solid plastic waste generated by human activities around lagoons catchment into the lagoon channels. Besides, due to the barriers across most lagoon inlets, such polluted runoff water may not be able to flush out to sea, thus impacting negatively on the water quality of the lagoons. The paper proposes some adaptation strategies and recommends the early implementation of Climate Change adaptation strategies, coastal lagoon management measures to prevent potential future destructive impacts.
- ItemAn investigation into the use of building information modelling and its impact on construction performance within Ghanaian construction industry(ResearchGate, 2021) Danso, Humphery; Wirekoh, F KwesiBuilding Information Modelling (BIM) is a key computer-aided technology that can facilitate construction productivity enhancements through the removal of numerous construction inefficiencies. This study investigates the use of BIM and its impact on construction project performance in Ghanaian architecture, engineering and construction industry. A cross-sectional survey design was adopted for the study. Self-administered questionnaires were used for data collection from architects, structural and civil engineers, project managers, quantity surveyors, contractors and general foremen in Greater Accra, Ashanti and Western Regions. Purposive sampling technique was used to elicit information from 300 participants. Data was analysed through the use of multiple response analysis, relative importance index (RII), principal component analysis and descriptively analysis. The results indicated that experts in the construction industry obviously agreed that the use of BIM has a great impact on construction project performance. Increase productivity, improve product quality and create customer value, help in removing barriers and constraints, reduce time of project design and shop drawings, improve communication effectiveness, provide accurate cost estimation and take off materials, reduce conflicts and number of claims, reduce defects in the construction phase, increase collaboration in project design were considered by the respondents as the most important factors for project performance improvement. It is recommended that experts and stakeholders should encourage the use of BIM technology in the Ghanaian construction industry to improve construction project performance to meet customer satisfaction and also boost infrastructural development.
- ItemAnalyses of Bending Moment Effect on the Floors of Modeled High Rise Buildings(Research India Publications, 2012) Danso,HumpheryComputer modeling aims at transforming the design process of buildings worldwide from the use of 2D to 3D, 4D and 5D design and coordination technologies. To investigate realistic values of bending moment and normal forces, a full three-dimension (3D) analysis is needed in order to obtain correct values, therefore the state of stress within a floor is more complex, in addition to the normal stresses due to bending which is huge and in most cases must be considered if failure is to be avoided. The purpose of this research is to study and compare the effect of bending moment on floors of modeled high rise buildings on elastic ground and firm ground. The research design was exploratory which made use of Complex Program Lira to design and calculate 18-storey residential buildings. The results indicate that for both models the maximum bending stress occurred at the first floors whiles the minimum bending stress occurred at the top floors. The bending stresses from second floor to the top floor are the same for each model. The model with elastic base foundation has high bending stress as compared to the model with firm base foundation by 30% for first floors and 28% for the subsequent floors. It could therefore be concluded that bending moment effect on the floors was greater in the model with elastic base than the model with firm base.
- ItemAnalyses of Compressive Stress on the Structural Walls of Modeled High-Rise Buildings(Research India Publications, 2012-01) Danso,Humphery; Yalley, Peter Paa-KofiStress analysis is the determination of the internal distribution of stresses in a structure. It is needed in engineering for the study and design of structures under prescribed or expected loads. The study aims at comparing the compressive stress on the structural walls of modeled high-rise buildings on elastic ground and firm ground. The research design was exploratory and made use of Complex Program (CP) Lira to design and calculate 18-storey residential buildings with basement. The results indicate that the greater maximum compressive stress occurred on the first floor structural walls whiles the least maximum compressive stress occurred on the top floor structural walls. Again, it was revealed that the model with elastic base foundation has compressive stress of 9% higher than the model with firm base foundation for first floor structural walls and 61% higher than the top floor structural walls. It could, therefore, be concluded that there is an increased compressive stress on structural walls for model with elastic base
- ItemAnalyses of Compressive Stress on the Structural Walls of Modeled High-Rise Buildings(International Journal of Civil Engineering Research, 2012) Yalley, Paa Kofi Peter; Danso, HumphreyStress analysis is the determination of the internal distribution of stresses in a structure. It is needed in engineering for the study and design of structures under prescribed or expected loads. The study aims at comparing the compressive stress on the structural walls of modeled high-rise buildings on elastic ground and firm ground. The research design was exploratory and made use of Complex Program (CP) Lira to design and calculate 18-storey residential buildings with basement. The results indicate that the greater maximum compressive stress occurred on the first floor structural walls whiles the least maximum compressive stress occurred on the top floor structural walls. Again, it was revealed that the model with elastic base foundation has compressive stress of 9% higher than the model with firm base foundation for first floor structural walls and 61% higher than the top floor structural walls. It could, therefore, be concluded that there is an increased compressive stress on structural walls for model with elastic base.
- ItemAnalysis of ecological health status of the Muni Lagoon: Evidence from heavy metal content in its water and fish samples(Royal Geographical Society, 2022-12) Boateng, Isaac; Yeboah, Okyere Emmanuel; Kofi, Adu-Boahen; Ishmael, Yaw Dadson; Nelson, Yeboah Boanu; Sender, KyeremehThe study examined the ecological health status of the Muni lagoon amidst increasing development in and around its catchment using a concentration of heavy metals in its water and fish samples as a proxy. Flame atomic absorp tion spectrophotometer (FAAS) laboratory analysis was employed to determine heavy metals (cadmium [Cd], lead [Pb], iron [Fe], manganese [Mn] and zinc) present in water and fish samples within the Muni Lagoon. The study revealed that the Muni Lagoon and feeder rivers were polluted with heavy metals (Fe = 0.453, Cd = 0.201, Mn = 0.105 and Pb = 0.024) comparing their concen trations with the US Environmental Protection Agency (USEPA) and Water Resources Commission (WRC) limit. Fish within the lagoon were found to pose no harm to consumers as traces of heavy metal concentrations were below the Food and Agriculture Organisation of the United Nations/World Health Organ isation maximum permissible limit. The study further revealed that the appli cation of agricultural inputs such as fertilisers, pesticides and domestic waste as well as unregulated gutter channels were the major source of heavy metals. A paired sample t-test showed a statistically significant difference between the wet and dry season's concentrations of cadmium and lead. For cadmium, the t-test found t(5) = −7.265; p =.001 between the wet season's concentration and the dry season's concentration and for lead, the t-test found t(5) = 5.061, p =.004 between the wet and dry season concentrations in the lagoon. It is therefore recommended that the Forestry Commission, Municipal Assembly and the local leaders should collaborate in regulating activities occurring in and around the catchment of the lagoon.