In Hong Kong EMSD (www.emsd.gov.hk) requires an independent audit of cooling tower system every year, and still in 2016 it is needed. In the photo above the cooling tower basin is contaminated with dirty, and algae grow has started.
Model air conditioning condenser side water schematic credit: Prevention of Legionnaires’ Disease Code of Practice
The EMSD Code of Practice part 2 is the standard to assess the cooling tower system operation, and the annually conducted audit requires document review of the procedures and a physical inspection of the towers inside and out, then adjudicate compliance.
Cooling Tower FAQ
Q. Who can conduct EMSD cooling tower audit in Hong Kong?
A. Kelcroft conducts independent EMSD cooling tower audit for Government, and private sector organsations.
Q. Is on-site checking of the cooling tower system required?
A. Yes, site inspection of the cooling tower system and operating records is required.
Q. What cooling tower system records will be checked?
A. The cooling tower operation check include the records for maintenance, water treatment, and laboratory results shall be reviewed.
Q. When is EMSD Cooling tower audit required?
A. Annually and after any major renovation work is recommended.
Q. What standard is used for the cooling tower audit?
A. The cooling tower audit standard is the latest version of EMSD Code of Practice for Water Cooled Air Conditioning Systems Part 2: Operation and Maintenance of Cooling Towers [link]
CLICK HERE for information about Kelcroft’s EMSD cooling tower inspection