Written Reply by Dr Vivian Balakrishnan, Minister for the Environment and Water Resources to Parliamentary Question on Upgrade of Bukit Timah Canal

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Date Published: 07 Jul 2014

Question by Mr Christopher de Souza:

               To ask the Minister for the Environment and Water Resources if he will provide an update on the upgrade of the Bukit Timah Canal and the Maple Avenue Tributary Canal leading to Sungei Ulu Pandan and when the construction upgrade of both canals will be completed.

Reply by Dr Vivian Balakrishnan:

1.         Bukit Timah Canal Catchment encompasses an area of more than 3,000 hectares, and is served by the Bukit Timah Canal from Upper Bukit Timah Road upstream, to Balmoral Road downstream, along with two diversion canals. The low lying stretches may be vulnerable to flash floods during heavy rain.

2.         The First Diversion Canal branches off from the main Bukit Timah Canal at Maple Avenue, and helps to divert stormwater from the upstream section of Bukit Timah Canal into Sungei Ulu Pandan. Since 2012, PUB has commenced upgrading the 3.2km diversion canal in phases. Works are ongoing for a 280m stretch underneath Ulu Pandan Road near the Pine Grove condominium, and a longer 1.5km stretch between Maple Avenue to Holland Green. Both stretches will be completed in 2015 and 2016 respectively, and the rest of the First Diversion Canal will be enhanced subsequently.
3.         PUB is also in the midst of upgrading the upstream section of Bukit Timah Canal. The upgrading works for the stretch between Jalan Kampong Chantek and Maple Ave was completed in 2013. Works for the section from Rifle Range Road to Jalan Kampong Chantek will commence by mid 2015.

4.         Taken in entirety, the drainage upgrading works on both the Bukit Timah Canal and the First Diversion Canal will provide developments and premises in the area with better protection against flash floods during heavy storms. As drainage works may impose some inconvenience on the community, PUB will continue to work with the stakeholders to mitigate such inconveniences, and to seek their patience and understanding as these are critical for flood alleviation. Residents who wish to receive an update on the status of the upgrading works may also contact PUB’s liaison officers or call the PUB hotline.
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