We hope you found our previous circular helpful! In it, we clarified the PUB's expectations regarding the prevention of mosquito breeding and ingress of any animal, insect, foreign material, etc. in water storage tanks.
This circular will focus on the use of pilot operated ball float valves for water storage tanks. Here is a list of responsibilities for MCSTs, Town Councils, and building owners:
Properly seal any openings caused by these valves.
If openings are present, promptly engage a Professional Engineer or Licensed Plumber to rectify by:
Replacing the existing valve with one meeting PUB's requirements and effectively sealing all openings on the water tanks, or
Effectively sealing all openings on the water tanks caused by the use of the existing valve.
Consult suppliers/manufacturers of the pilot operated ball float valves and water tanks before conducting any rectification or modification on these components.
Let us work together to ensure that your water pumps deliver safe drinking water reliably.
Thank you.
Yours sincerely,
Pumps Service Centre Team
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