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New York City is moving ahead with the construction of a 2 billion-gallon-per-dayultraviolet light (UV) disinfection facility to treat unfiltered water from its Catskill andDelaware reservoir systems. The UV facility which will be operated by the New YorkCity Department of Environmental Protection (NYCDEP) is designed to provide up to99.9-percent (3-log) inactivation of Cryptosporidium to meet future regulatoryrequirements for unfiltered water supplies. A total of 56 of the largest UV units everbuilt, each sized to handle 40 million gallons per day (mgd), are required for UVdisinfection. This paper discusses the importance of several operation andmaintenance considerations required for the design of the world's largest drinking waterdisinfection facility, including topics such as workforce requirements,available man power, level of maintenance skill needed, and operational strategies. Includes 3 references, tables, figures.

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Edition: Vol. - No. Published: 06/01/2006 Number of Pages: 9File Size: 1 file , 380 KB