Transportation model for refuse collection in the Accra Metropolis
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Date
2002-11-25
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Abstract
The objective of this project was to formulate a Transportation model for the Waste Management Department of the Accra Metropolitan Assembly for domestic – type refuse collection in the Accra Metropolis. The aim was to minimize Cost of operation and also come out with a more efficient and effective collection strategy in order to reduce the environmental problems associated with improper disposal of refuse
A transportation model based on linear programming was formulated using data obtained from five sub metros in the metropolis. The model was then solved for a number of scenarios using a FORTRAN Programme of the simplex algorithm
The model yielded a least cost per month on the average of ¢354,956,798.30 instead of the current cost of ¢654,032,467 per month, indicating a 46% reduction in cost incurred by the City and Country Waste Limited of the Waste Management Department of the Accra Metropolitan assembly.
It was also found that a collection strategy involving 5 trips per day per truck would prevent refuse accumulation at sanitary sites.
Description
A thesis submitted to the Department of Biological Sciences,
Kwame Nkrumah University of Science and Technology in partial
fulfilment of the requirements for the award of the degree of Master of Science, 2002