Technical Proposal - Problem and Purpose Statements

Problem Statement:

According to CP 48 (2005), high level water storage tanks in high-rise Housing & Development Board (HDB) flats store at least one day’s worth of water to cater to residents staying at the upper floors in the event of a water supply disruption in the main supply pipe from PUB. However, residents staying at lower floors continue to be affected by the disruption as their water supply comes directly from the main pipe.

Need therefore arises for the implementation of low level water storage tanks with a storage capacity of at least one day’s water usage requirement, in order for the residents staying at lower floors to be able to draw water reliably even during temporary water disruptions.

Purpose Statement:

The aim of this report is to propose to HDB the construction of two water storage systems, which will be located at ground level. These twin tanks will be connected in parallel, so as to supply water in a similar fashion to the existing high level water storage tanks while maintaining redundancy within the water storage system. This implementation will minimize the impact of water disruptions and improve the reliability of water supply for residents.

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