To facilitate proper operation and maintenance of fresh water cooling towers, EMSD has prepared a video and a sample specification in procuring operation and maintenance services for cooling towers for reference by owners and property management agencies :. The owners of cooling towers should ensure proper operation and maintenance including water treatment of their cooling towers so as to prevent contamination and nuisances to the public. Owners' Responsibilities on Operation and Maintenance To address the public’s concern about the risk of contracting legionella from the cooling towers, the EMSD has been regulating water quality of FWCT under the Public Health and Municipal Services Ordinance, Cap 132 (PHMSO) since 2011. Cooling Towers (597) (under the Public Health and Municipal Services Ordinance) BackgroundĪs revealed in some overseas cases that fresh water cooling towers could be sources of spreading legionella, which will pose risk to the public’s health if the fresh water cooling towers are not properly designed, installed, operated and maintained.
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