NETWORK ANALYSIS AS A POTENT TOOL FOR WASTE EVACUATION: A CASE STUDY OF NORTHWESTERN AREA OF LOKOJA, NIGERIA

S.A. Joseph

Abstract



Municipal solid waste accretion is persistent due to human population growth, urbanization and the inability to integrate technologies into managing the resulting wastes. The condition is worrisome in developing countries as most city authorities lack an organized or schematized waste management approach. Developing an organized system for waste evacuation is particularly important for managing Municipal Solid Waste Management through solid waste evacuation planning. This occasioned the need for the application of an environmental decision modelling tool, Geographic Information System(GIS) for the analysis of important criteria for evaluating the prospective location of dumpsters to ensure easy location for prompt solid wastes evacuation and route planning. This study adopted a survey approach that involved the collection of field data with the aid of a Geographical Positioning System(GPS) to obtain geographical coordinates of suitable locations of dumpsters after defining environmentally safe areas and sensitive zones. ArcGIS Network Analyst was then applied for analyzing routing systems in the study area for creating the best and alternative routes. While the best route determines the quickest and shortest route to the approved refuse dumpsite measuring a total distance of 18.1 km, the alternative route distance measured a relative distance of 18.5 km and is suitable for use in a situation of impedance to the best route. In this regard, this technique has the potential to aid the formation of improved waste collection service coverage in the study area.

Keywords


Network analysis, Potent tool, Waste Evacuation, Lokoja

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