PROPOSED NNAMDI AZIKIWE UNIVERSITY POSTGRADUATE HOSTEL, AWKA: ENHANCING FIRE SAFETY IN HOSTEL DESIGNS.

AUTHOR: NWABUEZE TOCHUKWU M.

DEPARTMENT: ARCHITECTURE

AFFILIATION: NNAMDI AZIKIWE UNIVERSITY, AWKA

Housing is one of the basic human needs, apart from food and clothing. The increasing number of postgraduate students in tertiary institutions, Nnamdi Azikiwe University in particular, has raised accommodation problems. Establishment of off-campus private hostels was initially perceived as a solution but property owners have taken advantage of the high demand to increase rents. Students and parents are reeling under this financial burden. This has equally become a University management concern. Subsequently, the current trend of fire in hostel buildings has become a concern in our society today. There has been a lot of incidence of fire in hostels, where student has lost their lives and valuable properties. These issues need to be reconciled with the building codes, fire safety design and cost constraints of the project. Consequently, this dissertation tends to identify the problems and attitudes associated with fire in hostel buildings and proffer solution through design approach that will help to prevent ignition of fire, limit spread, minimize damage and maximize life safety of the occupants and for the firefighters. 

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FLAMMABILITY STUDIES OF SOME FIRE TOLERANT TREES OF SOUTH-EAST, NIGERIA

AUTHOR: OKAFOR, VINCENT NWALIEJI 

DEPARTMENT: PURE AND INDUSTRIAL CHEMISTRY

AFFILIATION: NNAMDI AZIKIWE UNIVERSITY, AWKA

Bush fire is a common hazard in South Eastern Nigeria as in other parts of the country during the harmattan. Every year, thousands of hectares of forests as well as suburban lands are severely burnt. These forest fires have been catastrophic, destroying large areas of tropical rain forests. However, some trees in these forests have proven to be fire resistant. These tree species were identified by local people. Flammability studies of fifteen of these fire tolerant trees of South Eastern region of the country were carried out with a view to encouraging their use in afforestation. The flame characteristics, viz., ignition time, flame propagation rate, after glow time, flame duration, char formation, and limiting oxygen indices of these tree species were carried out. In addition, physical properties such as densities and moisture contents were evaluated in order to determine their effects on their burning parameters. The values for these parameters vary among the selected tree species. Density in particular, related to the ignition and flame spread behaviours, although, for the denser hard woods above 0.50g/cm3 and this dependence is less straight forward. Attempts were made to explain these observations on the basis of thermal conductivities, cellular structures, and presence of special flame resistant pyrolysates at flaming temperature.

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