Earth Tech selected to design biosolids facility in Tennessee

Earth Tech has been selected to design a new biosolids facility in Nashville, Tenn., for the Department of Water and Sewage Services of the Metropolitan Nashville and Davidson County. Earth Tech, a business unit of Tyco International Ltd, and a global provider of consulting, engineering and construction services, will serve as a subcontractor to Archer-Western Contractors Ltd., a division of the Walsh Group, on the $117 million project...

Nov 19th, 2005

LONG BEACH, CA, Nov. 17, 2005 -- Earth Tech has been selected to design a new biosolids facility in Nashville, Tenn., for the Department of Water and Sewage Services of the Metropolitan Nashville and Davidson County. Earth Tech, a business unit of Tyco International Ltd, and a global provider of consulting, engineering and construction services, will serve as a subcontractor to Archer-Western Contractors, Ltd., a division of the Walsh Group, on the $117 million project.

Earth Tech will provide engineering services during construction; prepare operations and maintenance manuals; and provide staff training; and start up and commissioning services.

The scope of the project includes the design, construction, start up and commissioning of the new solids handling facility. A major part of the project is to design and build the sludge thickening, digestion, dewatering and heat drying facilities that will convert sewage sludge into biosolids for reuse as fertilizer.

"Communities like the Nashville metropolitan area face simultaneous challenges: how to efficiently dispose of sanitary system byproducts while meeting changing federal regulations," said Alan Krusi, Earth Tech president. "We are designing a technically advanced solution that addresses these issues and closes the environmental loop by producing a useful non-toxic byproduct."

The new facility, which will have a maximum capacity of 137 dry tons of sewage solids per day, will reduce odors emanated by the Central Wastewater Treatment Plant by replacing the current practice of land filling raw sludge with the new biosolids drying process.

Earth Tech has assembled a team of talented employees from the United States and Canada to work on the project. The company's Sheboygan, Wis., office, will lead the effort, with support from employees in Madison, Wis.; Chicago, Ill.; Concord, Mass.; Toronto, Ontario; Calgary, Alberta; and Vancouver, British Columbia.

Earth Tech Inc. is a global provider of a full suite of engineering, construction and operations services to the international water/wastewater, environmental, transportation, and facilities markets. A business unit of Tyco International Ltd. and part of the company's Engineered Products & Services segment, Earth Tech employs more than 8,500 talented people, delivering services to customers in 17 countries. Founded in 1970, Earth Tech is headquartered in Long Beach, Calif. More information on Earth Tech can be found at www.earthtech.com.

Tyco International Ltd. is a global, diversified company that provides vital products and services to customers in five business segments: Fire & Security, Electronics, Healthcare, Engineered Products & Services, and Plastics & Adhesives. With 2004 revenue of $40 billion, Tyco employs approximately 260,000 people worldwide. More information on Tyco can be found at www.tyco.com.

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