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Analysis and Design of a Retaining Wall

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Analysis and Design of a Retaining




A clear environment promotes health and esthetics living man has consistency struggled throughout the ages to keep his environment clean. Generally the task of maintaining a heating environment through good sanitary disposal or waste has a become increasing difficult in west Africa and most developing countries of the world. This is due to such factors as population explanation rapid urbanization, ization increased use prepared (package products, changing lifestyle towards out door recreation etc (WAHEB) . a close study of solid has clearly shown that these factors have generated corresponding problems such as blocked gutters and drainage channels, traffic congestions. overcrowding, over flooding air pollution and even ineffective refuse management, poor refuse management in out cities has been as associated with other problems such as sporadic fireboat breaks, spread of diseases and distortion of aesthetic value of our environment (Lucas and Giles1990).

Varies types waste are generated in Enugu, namely solid waste, liquid waste (sewage ad waste (chemical fluent).

This study is concerned with solid waste which comprises refuse from homes offices and places. Enugu from its statue as the state capital ,has now become an international commercial center with the recent development in the state (ie the new international center which attracts larger influx of residents and tourists.

Various attempts have been put in place by the state and government in the past to enforce refuse management scheme. These effort failed because of poor implementation of these lifting policies the problem of refuse management has assumed a social problem in Enugu, today especially as the Enugu state environment sanitation agency (ENSEPA) appears in capable of handling the task and members of the public appear ignorant and not ready to co-operate with the authority in keeping Enugu clean like in other cities in Nigeria, the problems of refuse management in Enugu metropolis have defied realistic refuse management solution. This poses gave concern to well meaning citizen of the state


The one- time held historical and cultural reputation the Enugu city was the cleanest city in Nigeria is fast fading away. in its place great Pyramids of refuse are found at every junction and street corner begging for removal despite of public out cry, public enlightenment programmes on personal hygiene and environmental health. The refuse heaps blocks the gutters and drain, obstruct traffic flow,, pollute the air encourage instead and trident breeding and the spread of disease.

The National sanitation exercise which was introduce by the head of state General Mohammed Buhari (1984) had then help to check indiscrimate differing of refuse along the streets, but today the story is different since the assumption of chief Olusugn Obasnjo as the president of Nigeria he put an end to it.

Even with the introduction of monthly environmental sanitation any the state government it is still unable to meet the standard.

Refuse was formally collected from house to house and transferred into a open van. but today the ones that are still use are put in smaller vehicles and not properly covered, as the vehicle moves on almost all of it spill on the street.

In view of all the above problem of refuse manager in Enugu metropolis, appear enormous with the government inadequately positive to tackle it.

It is the focus of this research project to come up with findings and possible solution to the problem refuse management in Enugu metropolis.


The general objective of this study is to critically examine the refuse management problems in Engu metropolis in terms of patterns, storage and final disposal with a view to findings solution to Len.

The specific objectives, however include

1. To identify the various methods of refuse management applied in Enugu metropolis

2. To asses the effectiveness or adequacy of the existing system of refuse management in Enugu metropolis

3. To identify eh specific problems associated with refuse management


The study is significant to the extent that the findings will ascertain the problems arising from effective and inadequate refuse management and its implication on public health, the study is also important as it findings will beneficial to the state and government public health sector in their planning of refuse management programs.


For purpose of under standing of this study definition of certain terms as are applicable to this study will be advance.

1. REFUSE: These consists of heterogeneous mass of deposited waste particle from the house hold, office, places etc as well as homogenous accumulation of agricultural and mineral waste. it therefore include all participle and non-particle solid waste with the exception of bar waste (exceeta) (Wahab 1991).

2. MANAGEMENT: As a process by which responsible persons in an organization (managers or executives at all levels of management) combine resources (men. Money machinery materials and minute ie time) in achieving a given objectives goals or ends.
(ANN, 1 OGBo andTim Adibe) 2006.

3. REFUSE MANAGEMENT: The process of storage collection/transportation and final disposal of solid waste including the after or care of the disposed site.

4. SOLID WASTE: solid waste is refuse which refers to the useless, unwanted or ill discarded materials that arises from mans daily activities, it is required to be disposed the of according to public health laws so that it does not constitute misname to public heath (WAHEB 991)

5. Strategies: Is a plan for dealing with uncertain future circumstances (Tim Adibe 2006)

6. spective: Hopes and expectation for success according to concise oxford dictionary, in relation to this are the hopes and expectations that refuse management will become successful or unsuccessful given the existing efforts and attempts to solve the problems (Oluwande 1983)

7. PROBL: This refers to doubtful or difficult matter requiring a solution. Something hard to understand or accomplish or difficult to deal with (cornice oxford dictionary)

8. ROLL-ON-ROLL OFF: Large refuse re-acceptances meant to collect refuse from houses and s at flash sites or communal dumping site for evacuation or rolling on to final disposal site.

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