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Drainage Improvements & ABC Waters Features at Sungei Pandan Kechil129https://www.pub.gov.sg/news/pressreleases/DrainageImprovementsandABCWatersFeaturesatSungeiPandanKechilDrainage Improvements & ABC Waters Features at Sungei Pandan Kechil30/8/2019 4:00:00 PMIssue DatePress ReleaseAbout PUB, Singapore’s National Water AgencyFind out more about us<p style="text-decoration:underline;"> <strong>​​​​​​​​​​​Background of Sungei Pandan Kechil</strong></p><p>​​​Sungei Pandan Kechil and its tributary is a 3km long concrete canal from Ayer Rajah Expressway (near NUS Campus) to the sea. It serves a catchment area of 346 ha comprising public and private residential estates as well as industrial and educational premises. </p><p>Sungei Pandan Kechil was selected for upgrading as the section between West Coast Road to the sea were mainly trapezoidal drains built in the 1970s and nearing the end of their asset life. Upgrading was also needed to enhance flood protection at Ayer Rajah Expressway (AYE) as the drains are connected to the sea and are subjected to tidal influence. The 2.4 m wide box culvert across AYE was unable to cater for intense storm events and a supplementary culvert was required to drain the water quickly from the upstream catchment areas. ​​​</p><p style="text-decoration:underline;"> <strong>​​​Drainage Improvements & ABC Waters Features</strong> </p><p>​​​Improvement works at Sungei Pandan Kec​hil were carried in two phases from March 2015 to July 2019. In the first phase (AYE to West Coast Road), a 6.5m wide supplementary box culvert was constructed across AYE, and the 600m stretch canal widened from 9m to 13m. In the second phase (West Coast Road to the sea), 850m stretch canal was widened from 18m to 22m. </p><p>​​​The completed canal expansion greatly increases flood protection and the entire Sungei Pandan Kechil waterway is now able to cope with 30% more rainfall with higher conveyance capacity. The new canal is 22m in width at its widest. </p><p>On top of expanding the drainage capacity, PUB also added ABC Waters features along the waterway to improve the aesthetics of the surrounding landscape, improve connectivity and create vibrant spaces for the community by the water. These include features such as raingardens, a boulevard deck, a community deck and a lookout deck.​​​</p><p style="text-decoration:underline;"> <strong>​​​Construction Challenges</strong></p><p>Major traffic diversion and reinstatement of part of the AYE, West Coast Road and West Coast Highway were required to construct the supplementary box culvert under AYE. Several underground utility diversions for telecom cables, electricity cables, water pipes and sewer pumping mains were carried out during construction. ​​​</p><p>​​​Another key challenge was the careful operation of the tidal gates as the whole Sungei Pandan Kechil is under the influence of tide levels. The gates had to be closed to facilitate the construction and prevent it from being affected by the tidal levels. When there is rain, the gates also had to be opened quickly in a very short time to drain off storm water.</p><p>​​​The entire improvement works took 4 years ​to complete at a total cost of $74 million. The works were carried out in stages to ensure minimal disruption and inconvenience to residents. As with all ABC Waters projects, PUB worked closely with the local grassroots and community to gather residents’ feedback on the project including design concepts. PUB also worked together with the West Coast Community Centre to integrate the upgrading works of the community centre with the design of the Community Deck that is located next it. </p><p> <img src="http://public.prdweb.pub.gov.sg/sites/assets/PressReleaseAssets/Drainage-Improvements-and-ABC-Waters-Features-at-SPK.jpg" class="border-0" alt="" style="margin:5px;" /> </p><table width="100%" class="ms-rteTable-default" cellspacing="0"><tbody><tr class="row_header"><td><p style="text-align:center;"> <strong>Improvement Works</strong></p></td><td><p style="text-align:center;"> <strong>Description</strong>​</p></td></tr><tr class="ms-rteTableOddRow-default"><td class="ms-rteTableEvenCol-default"><p>Open Drains ​</p></td><td class="ms-rteTableOddCol-default"><p>​The construction of a new canal with higher conveyance capacity through the widening and deepenin​g of the existing canal. The new drainage capacity has been increased to at least twice from the original capacity. ​ </p>​​ <p> <img src="http://public.prdweb.pub.gov.sg/sites/assets/PressReleaseAssets/Bfr-upgrading-near-Blk-607-to-613.JPG" class="border-0" alt="" style="margin:5px;" /> </p><p> <em class="ms-rteThemeForeColor-3-0" style="font-size:12pt;"> <strong>Before upgrading near Blk 607 and Blk 613​</strong></em></p> <em> <strong> <p> <img src="http://public.prdweb.pub.gov.sg/sites/assets/PressReleaseAssets/Aftr-upgrading-near-Blk-607-to-613.JPG" class="border-0" alt="" style="margin:5px;" />​</p> <p> <em class="ms-rteThemeForeColor-3-0" style="font-size:12pt;"> <strong>After upgrading near Blk 607 and Blk 613​</strong></em></p> <em> <strong> </strong></em></strong></em></td></tr><tr class="ms-rteTableEvenRow-default"><td class="ms-rteTableEvenCol-default"><p>Box Culvert ​</p></td><td class="ms-rteTableOddCol-default"><p>​A supplementary box culvert across AYE was built to drain the water quickly from the upstream catchment areas. ​ </p><p> <img src="http://public.prdweb.pub.gov.sg/sites/assets/PressReleaseAssets/Box-culvert-bfr-upgrading.jpg" class="border-0" alt="" style="margin:5px;" /> </p><p> <em class="ms-rteThemeForeColor-3-0" style="font-size:12pt;"><strong>Before upgrading</strong></em></p> <em> <strong> <p> <img src="http://public.prdweb.pub.gov.sg/sites/assets/PressReleaseAssets/Box-culvert-after-upgrading.JPG" class="border-0" alt="" style="margin:5px;" />​</p> <p> <em class="ms-rteThemeForeColor-3-0" style="font-size:12pt;"><strong>After upgrading</strong></em></p> <em> <strong> </strong></em></strong></em> </td></tr><tr class="ms-rteTableOddRow-default"><td class="ms-rteTableEvenCol-default"><p>ABC Waters features​</p></td><td class="ms-rteTableOddCol-default"><p> <strong>Rain Gardens​​</strong><br> There are 3 raingarden nodes located along the upgraded Sungei Pandan Kechil. They are designed to slow down and treat the surface runoff from the apron drains of the HDB blocks before it is discharged into the canal. Besides its cleansing function, the rain gardens also provide a conducive habitat for a wide range of flora and fauna, including dragonflies and butterflies.​ </p><p> <img src="http://public.prdweb.pub.gov.sg/sites/assets/PressReleaseAssets/Raingarden.JPG" class="border-0" alt="" style="margin:5px;" /> </p><p> <em class="ms-rteThemeForeColor-3-0" style="font-size:12pt;"> <strong>One of the raingardens along the upgraded Sungei Pandan Kechil</strong></em></p><p> <strong>Boulevard Deck, Community Deck and Look Out Deck​</strong><br> ​Residents can now enjoy the newly added recreational spaces such as the Boulevard Deck (near Blk 613), Community Deck (near West Coast Community Centre) and Look Out Deck (near Blk 716). Creepers were planted to soften the harsh concrete canal along the entire stretch of the open waterway. Enhanced planting and additional seating areas encourage the residents to spend time by the waterway to enjoy the blue-green corridor that runs through their housing estate. </p><p> <img src="http://public.prdweb.pub.gov.sg/sites/assets/PressReleaseAssets/Boulevard-Deck-near-Blk-613.JPG" class="border-0" alt="" style="margin:5px;" /> </p><p> <em class="ms-rteThemeForeColor-3-0 ms-rteFontSize-2"><strong>Boulevard Deck near Blk 613</strong></em></p><p> <img src="http://public.prdweb.pub.gov.sg/sites/assets/PressReleaseAssets/Community-Deck-near-West-Coast-CC.JPG" class="border-0" alt="" style="margin:5px;" /> </p><p> <em class="ms-rteThemeForeColor-3-0" style="font-size:12pt;"><strong>Community Deck near West Coast Community Centre</strong></em></p> <em><strong> <p> <img src="http://public.prdweb.pub.gov.sg/sites/assets/PressReleaseAssets/Lookout-Deck-near-Blk-716.JPG" class="border-0" alt="" style="margin:5px;" />​</p> <p>​ <em class="ms-rteThemeForeColor-3-0" style="font-size:12pt;"><strong>Lookout Deck near Blk 716</strong></em></p></strong></em></td></tr></tbody></table>​​ <p style="text-decoration:underline;"> <strong>​​​About ABC Waters Programme</strong></p><p>The ABC Waters Programme is a long-term strategic initiative by PUB to improve the quality of water and life by harnessing the full potential of our waterbodies. By integrating the drains, canals and reservoirs with the surrounding environment in a holistic way, the ABC Waters Programme aims to create beautiful and clean streams, rivers, and lakes with postcard-pretty community spaces for all to enjoy.​​​</p><p>​​​The programme was launched in 2006 and aims to provide new community and recreational spaces, improve the aesthetics of the urban environment, and improve water quality though the use of natural cleansing features (also known as ABC Waters design features) as well as via public education by building closer people-water relationships. The programme contributes towards the vision of Singapore as a city of Gardens and Water.</p><p>​​​To date, PUB has completed 43 ABC Waters projects around the island. More communities are set to benefit from the ABC Waters Programme with another 14 projects completing in the next five years. Under the ABC Waters Master Plan, over 100 potential ABC waters projects were identified across the island for implementation in phases by 2030. ABC Waters projects are rolled out progressively in conjunction with drainage improvement works or in tandem with development plans by other agencies or stakeholders. </p><p> <strong>​For more information, please contact:</strong> </p><p>Mr Lee Min Kok <br>DID: 6731 3239 HP: 9756 5514 <br>Email: <a href="mailto:lee_min_kok@pub.gov.sg" style="text-decoration:underline;">lee_min_kok@pub.gov.sg​​</a><span style="text-decoration:underline;">​​</span></p><p>Ms Nora Farhain <br>DID: 6731 3286 HP: 9062 2706 <br>Email: <a href="mailto:nora_farhain_hamim@pub.gov.sg" style="text-decoration:underline;">nora_farhain_hamim@pub.gov.sg</a><span style="text-decoration:underline;">​​​</span></p>​ <p>​​​</p><p>​​PUB is a statutory board under the Ministry of the Environment and Water Resources. It is the national water agency, and manages Singapore’s water supply, water catchment and used water in an integrated way.</p><p>PUB has ensured a diversified and sustainable supply of water for Singapore with the Four National Taps (local catchment water, imported water, NEWater, desalinated water).​​</p><p>​​PUB calls on everyone to pla​y a part in conservi​​ng ​water, in keeping our waterways clean, and in caring for Singapore’s precious water r​esources. If we all do our little bit, there will be enough water for all our needs – for commerce and industry, for living, for life.</p>​​​​<p>​<span style="font-family:roboto-regular-webfont;font-size:18px;">Like us at </span><a href="http://www.facebook.com/PUBsg" style="color:#2196f3;font-family:roboto-regular-webfont;font-size:18px;background-color:#ffffff;">www.facebook.com/PUBsg</a><span style="font-family:roboto-regular-webfont;font-size:18px;"> </span><br style="font-family:roboto-regular-webfont;font-size:18px;"><span style="font-family:roboto-regular-webfont;font-size:18px;">Follow us on </span><a href="http://www.instagram.com/PUBsingapore" style="color:#2196f3;font-family:roboto-regular-webfont;font-size:18px;background-color:#ffffff;">www.instagram.com/PUBsingapore</a><span style="font-family:roboto-regular-webfont;font-size:18px;"> and </span><a href="http://www.twitter.com/PUBsingapore" style="color:#2196f3;font-family:roboto-regular-webfont;font-size:18px;background-color:#ffffff;">www.twitter.com/PUBsingapore</a><span style="font-family:roboto-regular-webfont;font-size:18px;"> </span><br style="font-family:roboto-regular-webfont;font-size:18px;"><span style="font-family:roboto-regular-webfont;font-size:18px;">Subscribe to our channel at </span><a href="http://www.youtube.com/sgPUB" style="color:#2196f3;font-family:roboto-regular-webfont;font-size:18px;background-color:#ffffff;">www.youtube.com/sgPUB</a><span style="font-family:roboto-regular-webfont;font-size:18px;"> </span><br style="font-family:roboto-regular-webfont;font-size:18px;"><span style="font-family:roboto-regular-webfont;font-size:18px;">Download our mobile apps: MyWater​​s for </span><a href="https://itunes.apple.com/sg/app/mywaters/id533051315?mt=8" style="color:#2196f3;font-family:roboto-regular-webfont;font-size:18px;background-color:#ffffff;">iOS</a> o​r <a href="https://play.google.com/store/apps/details?id=com.codigo.pub.mywaters&hl=en" style="color:#2196f3;font-family:roboto-regular-webfont;font-size:18px;background-color:#ffffff;">Android</a><span style="font-family:roboto-regular-webfont;font-size:18px;"> ​</span><span style="font-family:roboto-regular-webfont;font-size:18px;"> ​</span><br style="font-family:roboto-regular-webfont;font-size:18px;"><span style="font-family:roboto-regular-webfont;font-size:18px;">Visit our website at </span><a href="http://www.pub.gov.sg/" style="color:#2196f3;font-family:roboto-regular-webfont;font-size:18px;background-color:#ffffff;">www.pub.gov.sg</a><span style="font-family:roboto-regular-webfont;font-size:18px;"> ​</span></p>​​​​​​