Overview

This is an introduction to the planning and design of sanitary landfills. You will learn about dry and wet landfills, site selection, site development plans, site layout, trench design, leachate control and treatment, gas control, runoff control, support facilities, and landfill closure issues. The main advantage of a sanitary landfill is that handling and processing of refuse is kept to a minimum. Handling is limited to the pickup and transport of the waste, the spreading of refuse, and covering with a suitable cover material. After the material is collected, it may go through various changes and processes, at a substantial expenditure of energy, before it results in a reusable form. Recyclable materials include paper, plastics, glass, metals, batteries, and automobile tires. Options available to eliminate the quantity and specific types of refuse in sanitary landfills include incineration, recycling, composting yard wastes and landfills designed for a specific waste requiring permits (e.g. hazardous waste landfills, asbestos landfills, etc.). So there might be less transport of refuse, placement of landfills close to the center of population would be the most desirable situation for the designer. Adverse public sentiment and the cost and availability of land usually are the deciding factors for locating a landfill, which make transporting the refuse to a more advantageous location the preferred option for many authorities. New technologies that can produce a closed landfill system, a self contained system resulting in very little impact on the surrounding environment, have resulted in more restrictive legislation and regulations for sanitary landfills. Therefore, site selection and proper landfill design are considered the most important factors in the refuse disposal process.

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9781490553207

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Paul Guyer is a registered civil engineer, mechanical engineer, fire protection engineer, and architect with over 35 years experience in the design of buildings and related infrastructure. For an additional 9 years he was a principal advisor to the California Legislature on infrastructure and capital outlay issues. He is a graduate of Stanford University and has held numerous national, state and local offices with the American Society of Civil Engineers, Architectural Engineering Institute and National Society of Professional Engineers.

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