Location of water treatment plant using the AHP,PROMETHEE and TOPSIS methodology in the Gyeme River at Obuasi

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October 26, 2015
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Facility location is a very important issue in our daily life and activities. In view of this, it is very important to look at the factors that infuence the location of a facility. In this case we want to lay emphasis on the location of water treatment plant in Obuasi, purposely to serve the people in Obuasi and the surrounding towns. The methods that the researcher employed is the AHP/PROMETHEE and TOPSIS methodology. After several models were reviewed,a data was collected and analyzed and it result interpreted. The findings of the researcher was also stated together with the recommendation. Some of the factors that the researcher considered were; road network, nearness to the market, nearness to a source of power, nearness to a river source among others. The analysis was done with excel and the procedure was done by the pairwise comparison matrix. The criteria and alternatives were carefully selected. However, the data which the researcher collected was through the use of questionnaire, prepared and administered to about 130 people who fall between the ages of 18 to 60 years. Various people whose work deal directly or indirectly with water, such as fltered water producers in and around Obuasi responded to the interview and answered the questionnaire given them. The management of the Ghana water Company and the Ghana statistical service were spoken to and their views taken. The difference in the outranking flows together with the partial and complete ranking of alternatives gave rise to the Alternative Gausu a suburb of Obuasi being selected as the best location,which was confrmed by the TOPSIS methodology.
A thesis submitted to the Department of Mathematics, Kwame Nkrumah University of Science and Technology in partial fulfillment of the requirement for the Degree of Master of Science in Industrial Mathematics,