World's largest UV disinfection plant wins 2013 Best of the Best Projects Award

NY's Catskill-Delaware Ultraviolet Disinfection Facility has been selected as a 2013 Best of the Best Projects winner.

DENVER, CO, March 4, 2014 -- New York's Catskill-Delaware Ultraviolet (UV) Disinfection Facility -- the largest UV water treatment facility in the world -- has been selected by Engineering News-Record (ENR) as a 2013 "Best of the Best Projects" winner. The winning projects, completed between July 2012 and July 2013, represent the best examples of design and construction excellence among completed work in the United States.

The Catskill-Delaware UV Disinfection Facility qualified for the best overall project award after being selected as the recipient of "New York's 2013 Best Projects Award" by ENR last October. Chosen among four finalists in the Water/Environment category, the facility includes several firsts, including the installation of equipment -- record-setting in size -- and demonstrates an exemplary field application of UV technology.

UV treatment has been used extensively for wastewater post-disinfection; however, the Catskill-Delaware facility, completed in 2012, is the first treatment plant to incorporate UV water-treatment on such a large scale. Designed to meet future regulatory requirements, the facility provides an additional layer of protection to keep the city's drinking water safe by inactivating water-based bacteria that can cause gastrointestinal illnesses.

New York City's water supply is the largest unfiltered system in the nation. Likewise, the city's three watersheds (Catskill, Delaware, and Croton) extend 125 miles and include 19 reservoirs and three controlled lakes; the Catskill and Delaware watersheds supply 90 percent of the city's drinking water.

CH2M HILL, a global consulting, design, construction, and operations firm, in partnership with Arcadis, was construction manager on this project. As part of the joint venture team, CH2M HILL provided construction management services for the $1.3-billion project, including operations consulting, coordination of four major prime contractors working on the site, and several related offsite projects.

See also:

"World's largest UV disinfection facility begins construction"


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