Sincere apology for the delay and our reply as follows:
- Do most HDB flats have
only one water tank on its rooftop to supply drinking water to residents?
If so, do these water tanks have several internal compartments to provide
against water supply interruptions?
Ans: There are 2 or more water storage tanks on roof level in HDB apartment blocks. There is no internal compartment within the tank. - Are there any HDB flats which supply drinking water
using more than one tank?
Ans: Under normal circumstances, drinking water to flats is supplied by all tanks at the block because the storage tanks are interlinked with the control valves. - How often do water disruptions occur annually?
(Due to shutting off tanks for inspection, cleaning, maintenance etc.)
Ans: All water storage tanks (lower and upper levels) shall be washed, cleaned and sterilised annually. The Licensed Water Service Plumber shall submit water sample to a approved laboratory by PUB for testing and certification. - What is the average time taken for each of these water
disruptions to be resolved?
(Restoration of water supply to HDB residents)
Ans: There is no disruption at all to water supply to residents. To avoid any misunderstanding, it is our practice to notify residents of the work by putting up notice on noticeboard in advance. - What is
the Town Council’s view on expenditure towards water tank upgrading works?
(Priority level compared to other Town Council projects)
Ans: Town Council is responsible for the routine and cyclical
maintenance works of the water storage tanks. Any upgrading work to storage
tank will come under the purview of HDB and the relevant authorities.
We hope the information will help your students in the study.
Best regards
Regards
Loy Sai Sai
Senior Property Manager
Tanjong Pagar Town Council
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