9Requirements for cooling water systems

9 Requirements for cooling water systems

9 Requirements for cooling water systems

(1) For the Act, section 27, a cooling water system used solely for making snow is exempt from the operation of the Act, Part 3, Division 2.

(2) For the Act, section 28, a cooling water system must be installed in accordance with AS/NZS 3666.1:2011

(3) For the Act, section 29—

(a) a cooling water system must be operated as required by AS/NZS 3666.2:2011, and

(b) a cooling water system must be equipped with a disinfection procedure that is in operation at all times and designed to control microbial growth so that—

(i) the level of Legionella in the system is less than 10 colony-forming units per millilitre, and

(ii) the heterotrophic colony count in the system is less than 100,000 colony-forming units per millilitre, and

(c) there must be safe and easy access to a cooling water system for the purposes of the cleaning, inspection and maintenance of the system.