Engineering Better Homes for All

Engineering is a critical part of HDB’s work.

Our colleagues at HDB engage in continuous research and development, and come up with innovative solutions to create a better living environment for residents.

In recognition of its work, HDB has been conferred several engineering awards. The Pinnacle @ Duxton, My Waterway@Punggol and the Lift Upgrading Programme were also voted among Singapore’s top 50 engineering feats.

However, the research and engineering at HDB are not all about hardware and buildings.

Through innovation, HDB also enhances the flora and fauna around our neighbourhoods and the overall quality of living in HDB estates.

Recently, HDB was conferred the IES Prestigious Engineering Achievement Award 2016 for their innovative engineering solutions that enhanced biodiversity at the Punggol Waterway, through the cultivation of freshwater-tolerant mangroves, and a one-of-a-kind floating wetlands system.

Along the banks of the Punggol waterway, HDB cultivated 35 freshwater-tolerant mangrove species. Besides creating a more scenic waterway, the mangrove roots help to bind soil effectively and stabilise the slopes at the riverbanks.

Some of the mangrove species were also deliberately chosen to improve and restore the coverage of endangered native mangroves in Singapore. One such endangered native species that you can see at the waterway is Lumnitzera littorea, also known as Teruntum Merah. It is easily identifiable by its dainty red flowers, when it blooms.

The floating wetlands system is another innovation that not only introduces more greenery to the water surface but can also be used as a floating platform.

Together, the mangroves and floating wetlands act as natural water cleansers. Using plants species which could effectively absorb excessive nutrients and pollutants from the water, HDB was able to improve water quality by up to 30%!

I’m also heartened to learn that a variety of wildlife have since made the mangroves and floating wetlands their home. Comprising 92 species of birds, 11 species of butterflies and 17 species of dragonflies, the thriving ecosystem along the waterway includes endangered bird species such as the Black-crowned Night-Heron and Oriental Magpie-Robin.

The mangroves and floating wetlands have made Punggol Waterway a green and peaceful oasis for residents.

We have learnt much from the engineering solutions deployed here, and will continue to do more.

HDB will extend its green innovations to other new estates as well, for example, in Bidadari and Tampines North.

HDB is also exploring further uses of its floating platform system, such as to support the deployment of solar panels in our housing estates.

These are just a few of the many exciting possibilities to explore.

Through engineering and innovation, we can build better homes for all Singaporeans!

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