Assessment of Solid Waste Collection Capacity in Addis Ababa, Ethiopia

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Addis Ababa University


Waste collection and transportation is one of the crucial functional elements of municipal solid waste management. Available information about this matter is therefore essential for successful municipal solid waste management. The main objective of this study is to assess the solid waste collection practice in Addis Ababa. For the purpose of the study, 250 pre collector groups were selected for field survey of the primary solid waste collection. Background information was gathered using semi structured interviews with the pre collector groups and the respective cleansing management agency officers. To examine the secondary solid waste collection, field observation on the trucks and interviews with truck drivers and with waste agency officers of the city was carried out. From the study, the productivity of primary and secondary waste collection was determined; the collection capacity of the city was estimated and factors influencing the system were identified. For primary collection, three different collection methods were identified: push cart method, pushcart–collector method and truck collection method with average productivity of 2.12 m 3 /hr respectively. For secondary waste collection, the trucks productivity were determined to be 6.29 m / worker/day and 2.81m 3 / worker/day and 4.2m 3 /hr for container truck, 18.29 m 3 3 /hr for compactor (40 m 3 3 ) and 39.7 m /hr for compactor (80 m 3 ). The solid waste collection capacity was determined to be 3,192,868.8 m /year for the primary collection and 2,579,183.22 m 3 /year for the secondary collection. The solid waste generation rate of the city is determined to be 4, 157469.12m3/year. This shows that, on average, only 76% of the waste generated in the city was collected by primary collectors, and 80% was collected by the secondary collectors. The result indicates that the current collection system doesn’t cope with the solid waste generation rate of the city. 3 The role of solid waste transfer station in solid waste management is great. This study includes the basis of design and conceptual layout for a new facility of a pilot service area. This design and operational plan details the features and operational procedures for a municipal solid waste transfer station to ensure a safe, operationally efficient facility that meets the waste needs of the given service area.



Solid Waste Collection, Addis Ababa, Assessment