Assessment Of Solid Waste Collection Capacity In Addis Ababa Ethiopia

Waste collection and transportation is one of the crucial functional elements of municipalrnsolid waste management. Available information about this matter is therefore essential forrnsuccessful municipal solid waste management. The main objective of this study is to assess thernsolid waste collection practice in Addis Ababa. rn For the purpose of the study, 250 pre collector groups were selected for field survey of thernprimary solid waste collection. Background information was gathered using semi structuredrninterviews with the pre collector groups and the respective cleansing management agencyrnofficers. To examine the secondary solid waste collection, field observation on the trucks andrninterviews with truck drivers and with waste agency officers of the city was carried out. rnFrom the study, the productivity of primary and secondary waste collection was determined;rnthe collection capacity of the city was estimated and factors influencing the system werernidentified. For primary collection, three different collection methods were identified: push cartrnmethod, pushcart–collector method and truck collection method with average productivity ofrn2.12 mrn3rn/hr respectively. For secondaryrnwaste collection, the trucks productivity were determined to be 6.29 mrn/ worker/day and 2.81mrn3rn/ worker/day and 4.2mrn3rn/hr for containerrntruck, 18.29 mrn3rn3rn/hr for compactor (40 mrn3rn rn3rn)rnand 39.7 mrn/hr for compactor (80 mrn3rn). rnThe solid waste collection capacity was determined to be 3,192,868.8 mrn/year for the primaryrncollection and 2,579,183.22 mrn3rn/year for the secondary collection. The solid waste generationrnrate of the city is determined to be 4, 157469.12m3/year. This shows that, on average, onlyrn76% of the waste generated in the city was collected by primary collectors, and 80% wasrncollected by the secondary collectors. The result indicates that the current collection systemrndoesn’t cope with the solid waste generation rate of the city. rn3rnThe role of solid waste transfer station in solid waste management is great. This study includesrnthe basis of design and conceptual layout for a new facility of a pilot service area. This designrnand operational plan details the features and operational procedures for a municipal solidrnwaste transfer station to ensure a safe, operationally efficient facility that meets the wasternneeds of the given service area.

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