Landfill Design Using Simplified
Risk Assessment Procedures
Author(s)
A. Mavropoulos
Abstract
In most of the developing countries, landfilling is the first (and sometimes the
only affordable) step for the expansion of Waste Management Systems.
Although, in general terms, landfills are considered as relatively simple
technological systems with well-established knowledge of their environmental
impacts, their design, construction and operation is not always an easy and
standardized issue. Especially in developing countries, limited financial
resources, lack of institutional development, poorly developed technical
capabilities and lack of the necessary data (waste quantities and composition,
geological, hydrogeological and climatic data) for designing a landfill, are
usually the main barriers that do not allow environmentally sound solutions to
landfilling problems. The only way to succeed at landfill design and at the same
time to be in accordance with the context of opportunity cost is to relax the
landfill standards, when this is possible, without unduly affecting protection of
the environment. Significant efforts have been implemented for this issue,
mainly from ISWA Landfill Working Group and South African experts. A
simplified risk based approach is used in order to identify the parameters that
mainly affect the conceptual design of leachate management. The design that is
proposed is based on the sensitivity of the surrounding environment. The
proposed methodology works with limited and easy to access data and at the end
of the procedure it provides the constituents of the technical design for leachate
management. Thus it can be easily linked with cost issues. The whole procedure
aims to provide a simple and effective decision making tool for landfill designers
in developing countries, as well as a measure to check environmental impacts of
current landfills or dumpsites.
Keywords: landfill design, risk assessment, leachate management, risk-based
engineering.
Keywords
landfill design, risk assessment, leachate management, risk-based
engineering.
Related Book
Other papers in this volume
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