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PB engineering powerhouse, Seymour S. Greenfield, dead at 84.

Seymour S. Greenfield, former chairman of the board of Parsons Brinckerhoff (PB), the 121-year-old international engineering firm based in New York City, died on November 17 in Englewood Hospital, New Jersey.

He was 84 and lived in Fort Lee, New Jersey.

Greenfield, a native of Brooklyn who joined PB in 1947, officially retired in 1995, but continued to work at PB's New York headquarters several days a week until his death.

During his career at PB he was a driving force of the firm--as an engineer, a manager, and an executive. Greenfield was named a partner at PB in 1964 and served as chairman of the board from 1982 to 1989.

Following service in the U.S. Navy during World War II, Greenfield was hired by PB as a project engineer on military bases in Newfoundland and Iceland being converted by the U.S. Army Corps of Engineers for use by NATO (North Atlantic Treaty Organization).

He went on to play a major role in PB's design of several hardened defense facilities, including NORAD (North American Aerospace Defense Command) in Colorado.

He also served as principal-in-charge for engineering design of several planned nuclear waste repositories in the U.S., as well as the Strategic Petroleum Reserve in Texas and Louisiana.

A mechanical engineer, Greenfield was responsible for building PB's capability in that field. He made a major contribution to mechanical design with his work on the ventilation system of San Francisco's Bay Area Rapid Transit (BART) system, and he was principal-in-charge for the development of PB's Subway Environment Simulation (SES) software for tunnel ventilation.

He also directed PB's participation in a U.S. Department of Transportation-funded study that produced the first accepted handbook on ventilation, air conditioning and environmental design and standards for subways. Long active in the Society of American Military Engineers (SAME), Greenfield served as president in 1977 of the worldwide organization and was one of the organization's seven Life Members. In 1981, he received the Engineering News-Record Award for Leadership in the AIE Industry.

He was the March of Dimes Transportation Man of the Year in 1982 and received the Outstanding Achievement in Construction Award from The Moles, an underground construction organization, in 1993.

He was a 1943 graduate of the Polytechnic Institute of New York and a registered professional engineer in 10 states.

He is survived by his wife, Judy, two children, and five grandchildren.
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Publication:Real Estate Weekly
Article Type:Obituary
Date:Nov 29, 2006
Words:399
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