MAINTENANCE MANAGEMENT SOURCING STRATEGIES AND THE CONDITION OF TERTIARY INSTITUTION BUILDINGS IN LAGOS AND OGUN STATES, NIGERIA

Abstract In the face of the deplorable state of buildings across the various tertiary institutions in Nigeria, the need to deploy appropriate maintenance management strategy cannot be overemphasized. However, sourcing decision for maintenance services remains a tough one for decision makers as different sourcing option suit different scenario. This study examines maintenance management sourcing strategy […]

GENERATION RATE AND PHYSICAL COMPOSITION OF SOLID WASTE IN WOLAITA SODO TOWN, SOUTHERN ETHIOPIA

Abstract The ever increasing amount of solid waste generated which is exacerbated by lack of proper waste management system is of growing environmental and public health concern worldwide and in major towns and cities of Ethiopia. The aim of this study was to assess the current solid waste generation rate and compositions in Wolaita Sodo […]

SPECIATION AND MOBILITY STUDY OF SELECTED HEAVY METALS IN KOFE DUMPSITE SOIL OF JIMMA TOWN, JIMMA, ETHIOPIA

Abstract Speciation and mobility of selected heavy metals including Cd, Pb and Fe were investigated in Kofe dumpsite soils of Jimma Town, Jimma, Ethiopia. To study vertical mobility of the metals, soil samples were collected at three depth profiles comprising surface soil (0-10 cm), subsoil (20-30 cm), and bottom soil (40-50 cm) using soil auger. […]

ASSESSMENT OF LABILE METALS IN EFFLUENTS FROM LUBRICATING OIL COMPANY IN OSOGBO OSUN STATE, NIGERIA

Abstract Effluent and sediment samples were collected on seasonal basis, comprising of three months (August to October) in the wet season and three months (December to February) in the dry season from five points around a lubricating oil company in Osogbo – Nigeria. The sequential extraction method was used to respectively fractionate the sediment and […]

ASSESSING SIGNIFICANCE OF COMMUNITY DOCUMENTED CLIMATE IMPACTS AND ADAPTATION PREFERENCES AND OPTIONS IN THE LAKE VICTORIA REGION, TANZANIA

Abstract The study was conducted in Ukerewe Island in the Lake Victoria, Tanzania in order to ascertain the communities’ awareness on climate change impacts and adaptation/coping strategies. The methodology involved randomly selected 420 people mostly farmers and fishermen who were interviewed and involved in focus groups. It was observed that communities were aware of the […]

TIME SERIES MODELING OF THE DISTRIBUTION OF MONTHLY RAINFALL IN HAWASSA CITY, ETHIOPIA

Abstract Rainfall is the most key variable both in atmospheric and hydrological cycle. Its patterns usually have spatial and temporal variability. This variability affects agricultural production, water supply, environment, and the existence of its people. Its variability assumed to be the main cause for the frequently occurring extreme events such as drought and flood. The […]