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(From National Archives of Singapore document no. </p> Skip to content WSP WSP Toggle navigation Click to close search Click to open search WSP WSP Who We Are var today = new Date(); One will start in Bur Dubai and transfer sewage to the Jebel Ali treatment plant, and the other will start in Deira, and run through to the Al Warsan treatment plant. View Image Gallery Storage: 88 million gallons Phase Three (2010) Length: 2 miles Diameter: 21 ft. The challenge Lee Yock Suan, The Ground-Breaking Ceremony for the Deep Tunnel Sewerage System Contract T-05 Kranji Tunnel, speech, Mandai Road, 8 July 2000, transcript, Ministry of The Environment (For National Archives of Singapore document no. Conceptualised and managed by PUB, it was conceived as a cost-effective and sustainable solution to meet Singapore's long-term used water needs. For all the latest pharmaceutical industry news, sign up for our regular updates. 2.8 kilometers of sewage tunnel for Phase 2 of the Deep Tunnel Sewerage System in Singapore. Learn more here. The project Keller was awarded subcontract work for rock fissure grouting under Ed Zublin AG for the Deep Tunnel Sewerage System Phase 2 project in Singapore. Spanning two phases over more than 20 years, Phase 1 was completed in 2008 while Phase 2 is due to be completed by 2025. 1998082302)5. The Deep Tunnel Sewerage System (DTSS) was conceptualised in the 1990s as a sustainable, cost-effective solution to meet Singapores used water collection, treatment, reclamation and disposal needs in the long run. They are connected to the existing sewerage system by the smaller link sewers that divert used water flows from the existing sewers into the deep tunnels. 09/25/2013. The Milwaukee RTC system supervises a sewerage network comprised of an intercepting deep tunnel over 20 miles long that intercepts both combined and sanitary sewer systems (Schultz et al., 2001). Tan, Lee and Tan, Clean, Green and Blue, 189; Tan, Water, 2931.21. PUB, Singapore's National Water Agency, , , press release, 20 November 2017 (From National Archives of Singapore document no. + '?List={ListId}&ID={ItemId}'), Watch video "DTSS: Singapore's Used Water Superhighway" >>, Active, Beautiful, Clean Waters Programme. '/_layouts/15/itemexpiration.aspx' Both deep tunnels have diameters of up to 6 m and stretch across Singapore at depths of up to 55 m underground. One such project is the Deep Tunnel Sewerage System. Recommended. Yue Choong Kog, Transboundary Urban Water: The Case Study of Singapore and Malaysia, in. Navin Sregantan, PUB Starts Second Phase of DTSS with S$2.3B of Work Contracted Out, Business Times, 20 November 2017.9. The first phase of the DTSS project was completed with an investment of $2.7bn and is comprised of a deep tunnel system running 48km long to channel the flows of water from existing gravity sewers to the Changi WRP in the east and Kranji WRP in the north. + '?List={ListId}&ID={ItemId}'), /_layouts/15/images/sendOtherLoc.gif?rev=43, javascript:GoToPage('{SiteUrl}' + (From Factiva via NLBs eResources website). The system will also comprise 60km of link sewers, which will convey used water from existing sewerage network to the DTSS. Any excess treated water is discharged into the sea through the outfall pipes.5Phase 1Work on Phase 1 of the DTSS project commenced in 2000 and was completed in 2008 at a cost of S$3.4 billion.6, This phase comprised a new WRP at Changi, two 5 km-long deep-sea outfall pipes, 60 km of link sewers, as well as 48 km of deep tunnel sewers made up of two sections, namely, the North Tunnel running between the Kranji and Changi WRPs, and the Spur Tunnel extending westward from the North Tunnel. Black & Veatch and AECOM signed the engineering contract for phase II of the DTSS in June 2014. It is not intended to be an exhaustive or complete history of the subject. Power: 15-75 kW; Diameter: 0,6 - 0,9 m; Singapore's Deep Tunnel Sewerage System is new Innovative technology, that will take Singapore's sewage management into the next century. By 2006, all of Phase I was completed and in operation. Tan Yong Soon, Lee Tung Jean and Karen Tan. The strain gauges and tilt sensors were connected to aCR10X data loggerwhich was equipped with a wireless GSM modem. '/_layouts/15/docsetsend.aspx' The project is also designed to efficiently recycle used water with minimal environmental pollution. Presentation Overview. (From National Archives of Singapore document no. MultiMon softwarerunning on the office computer then processes and displays the data, all in near-real time. Cited By . Goh Chok Tong, National Day Rally Speech in English, speech, Kallang Theatre, 23 August 1998, transcript, Ministry of Information, Communications and the Arts. '/_layouts/15/itemexpiration.aspx' Ventilator TYPEs. CLSM, controlled low-strength material is a sand-rich concrete with a high dose of a powerful air-entraining admixture. This is a common scenario in deep tunnel excavation work like building a sewerage system from scratch at one of the tunneling shafts at Penjuru Road in Singapore. ed., Quentin Grafton (Springer: Dordrecht, 2015), 586. The Deep Tunnel Sewerage System (DTSS) is a cost-efficient and sustainable solution conceived by the Public Utilities Board (PUB) to meet Singapore's long-term needs for used-water collection, treatment, reclamation and disposal. This is the Deep Tunnel, formally the Tunnel and Reservoir Plan, and it may be the world's most ambitious and expensive effort to manage urban flooding and water pollution. + '?List={ListId}&ID={ItemId}'), Active, Beautiful, Clean Waters Programme. 2xESN6-150. SINGAPORE - The Deep Tunnel Sewerage System (DTSS), conceived more than two decades ago by Singapore's national water agency PUB, is a superhighway for used water that is a lifeline for a small . Pumping stations channelled sewage to these plants, where it was treated to international standards before being discharged into the sea. The electricity generated at the IWMF will fully power both facilities at Tuas Nexus, with excess electricity fed to the grid.12ImpactSingapores sewerage system previously consisted of six water reclamation plants, one sludge treatment works and 139 pumping stations located islandwide.13After the completion of DTSS Phase 1 in 2008, the Kim Chuan, Seletar and Bedok WRPs, as well as the Serangoon Sludge Treatment Works, were closed progressively.14 Once Phase 2 commences operations, the Ulu Pandan and Jurong WRPs will also be phased out.15 The numerous pumping stations used in the conventional conveyance system will be phased out too, since gravity is used in DTSS to transport used water to the WRPs.16The implementation of DTSS will eventually halve the land area occupied by used water infrastructure, which was 300 ha in the 1990s. The implementation of DTSS will eventually halve the land area occupied by used water infrastructure, which was 300 ha in the 1990s. Singapore:This island state has begun a major project to upgrade its sewerage infrastructure to meet the economic and environmental demands of the 21st century. The whole of Singapore will be served by the DTSS when Phase 2 is complete by 2025. The deep tunnel works entirely bygravity, eliminating the need for pumping stations, and thus the risks of used water overflows. Singapore is the world leader in sustainable water and sewage management. Siau Ming En, Construction Begins for S$6.5 Billion, 100km Superhighway for Used Water, Today, 20 November 2017.19. By using new technology, this infrastructure will also take Singapore's sewage management into the next century. The tunnel systems were put into service as portions were completed, starting in 1985. [CDATA[ An average of 39 million tons of sewage flow each year from the 35 . 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After the completion of DTSS Phase 1 in 2008, the Kim Chuan, Seletar and. It forms a large part of the Sungei Kadut Planning Area, as Tuas is an area located in the southwestern region of Singapore. The used water collection and . +'?Category=Auditing&backtype=item&ID={ItemId}&List={ListId}'); return false;} if(pageid == 'config') {STSNavigate(unescape(decodeURI('{SiteUrl}'))+ The Deep Tunnel Sewerage System (DTSS) is a massive integrated project being developed by the Public Utilities Board (PUB) in Singapore to meet the island country's long term clean water needs through the collection, treatment, reclamation and disposal of used water from industries, homes and businesses. The Greater Colombo Wastewater Management Project, located in Sri Lanka, is designed for the Colombo Municipal Council (CMC) to provide improved wastewater management services for Colombos 838,000 urban and suburban residents. 2xESN9-750. Because this was within a railway protection zone, building codes required that the construction had to be monitored in real time. Singapore is considered to be one of the most water-stressed countries in the world. '/_layouts/15/hold.aspx' Collectively called Tuas Nexus, both facilities will allow Singapore to harness potential synergies in the water-energy-waste nexus. Spanning two phases over more than 20 years, Phase 1 was completed in 2008 while Phase 2 is due to be completed by 2025. When the entire DTSS is completed, existing intermediate pumping stations and conventional Water Reclamation Plants(WRPs) will be phased out, freeing up land. It is envisioned that the outcome of the U.S. EPA Depth Underground: 275 to 340 ft. Construction on the first phase was completed in 2008 and the second phase is scheduled to begin in 2016, with completion by 2022. On 20 November 2017,PUBheld a groundbreaking ceremony for the enhanced conveyance system of the Deep Tunnel Sewerage System (DTSS) Phase 2 to markthestart of its construction works. var str = "\u00A9"; The tiltmeters were located high up on the columns to prevent them being disturbed by the public. To address these problems, the government sought a sustainable long-term alternative that would allow Singapore to meet its growing needs without a need for continual expansion and upgrading. The freed-up land can then be used for other higher-value developments. After being treated at the WRPs, the reclaimed water is channelled to NEWater factories and further purified into NEWater. In the mid-1990s, the government conceptualised the Deep Tunnel Sewerage System (DTSS) as a more cost-effective and sustainable solution to meet Singapore's needs in the long run. One such project is the Deep Tunnel Sewerage System. A total of eight tunnel boring machines (TBMs) ranging up to 7.2m in diameter were used. The 2 tunnels diameter start at about 3.5 m and end at about 5 to 6 m. They will be using micro tunnel technology involving the construction of shafts where a TBM will be inserted for the digging ofthe tunnels. '/_layouts/15/hold.aspx' Deep Tunnel Sewerage System (DTSS) phase I The first phase of the DTSS project was completed with an investment of $2.7bn and is comprised of a deep tunnel system running 48km long to channel the flows of water from existing gravity sewers to the Changi WRP in the east and Kranji WRP in the north. With Jacobs as the overseeing Programme Management Consultant, the lining was designed and . The Ground-Breaking Ceremony of the Ulu Pandan Sewerage Treatment Works Compact and Convered Extension, The Ground-Breaking Ceremony for the Deep Tunnel Sewerage System Contract T-05 Kranji Tunnel, PUB Starts Second Phase of DTSS with S$2.3B of Work Contracted Out, PUB Breaks Ground for Conveyance System of Deep Tunnel Sewerage System Phase 2, Tuas WRP DTSS 2 Industry Briefing, PUB, Singapore's National Water Agency, PUB and NEA to Call Over S$5 Billion in Tenders for Tuas Nexus, Construction Begins for S$6.5 Billion, 100km Superhighway for Used Water, Domestic policy (Water Resource Management), Water shortages and rationing in Singapore, Active, Beautiful, Clean Waters (ABC Waters) Programme, Clean-up of Singapore River and Kallang Basin. Subject The DTSS project aims to improve Singapores water conveyance and treatment system, while reducing the land occupied by the used-water infrastructure on the island by 50%. Advanced technology will be used to generate less sludge, thus reducing the cost of sludge disposal. For example, food waste from the IWMF will be co-digested with sewage sludge at the WRP to produce a higher yield of biogas (a form of biofuel produced through the decomposition of organic matter). the public utilities board (pub) is undertaking the construction of second phase of deep tunnel sewerage system project in singapore.the project involves the construction of a 50km sewer tunnel of which 40km of deep tunnels, 60km of link sewers, the tuas water reclamation plant (twrp) with an initial capacity of 800,000m3 per day, and a 12km We would like to offer special thanks for help in writing this story to Mr Chris Smart of Samsung Corporation, Survey Manager for the DTSS T04 project. Construction for Phase 2 began in 2017 and is scheduled to be completed by 2025. With Phase 1 of the project completed in 2008, Phase 2 will be delivered via a number of works packages to eventually complete 40km of deep tunnels and 60km of link sewers, along with associated . The main challenges of this project include undercrossing Jurong River, expressways AYE and PIE, sea, cable tunnels underneath the seabed , live North-East Line MRT tunnel and CCL6 tunnels which are undergoing construction, etc. Data Loggers, Readouts, Atlas Web-Based Monitoring, Geosynthetics Testing (Interface Shear Box). RSING 333.91095957 WAT), D. A. Paulo and A. DSouza, The Long Road to Ensuring That Singapores Waste Doesnt Go to Waste,, The information in this article is valid as at. To put that in perspective, that's the equivalent of more than 43 football fields end to end. The S$3.4 billion Deep Tunnel Sewerage System (DTSS) is an efficient and cost-efficient solution to meet Singapore's long-term needs for used water collection, treatment, reclamation and disposal. The implementation of the master plan meant that all of Singapore was served by a modern sanitation system by 1997.1However, Singapores water supply faced an increased risk of contamination due to pipe damage owing to infrastructure degradation over time. ", "Upon completion, the NEWater factory at the Tuas WRP will contribute to 55% of the regions water demand.". Background WRPs, as well as the Serangoon Sludge Treatment Works, were closed progressively. Another issue with the existing system was the large land area occupied by treatment plants and pumping stations. Work on Phase 1 of the DTSS project commenced in 2000 and was completed in 2008 at a cost of S$3.4 billion. +'?ID={ItemId}&List={ListId}'); return false;} if(pageid == 'tag') {STSNavigate(unescape(decodeURI('{SiteUrl}'))+ By freeing up land for other developments, DTSS has allowed Singapore to optimise the use of this scarce resource. This was the first rock fissure grouting in Singapore and was carried out with the help of our Global Product Team and prior experience in Malaysia. Sewershed Approach to Optimize Sewer System Operation. CSO Deep Tunnel System Efforts to Date Tunnel Project Evaluation Overview Geotechnical Investigations Groundwater Management Plan (GWMP) Schedule and Project Requirements The South Tunnel will be connected via a short Spur Tunnel to the existing deep tunnels built in Phase 1.10 The South and Industrial tunnels both lead to the Tuas WRP, which will have the capacity to treat 800,000 cu m of used water per day. The Deep Tunnel Sewerage System (DTSS) was conceptualised in the 1990s as a sustainable, cost-effective solution to meet Singapores used water collection, treatment, reclamation and disposal needs in the long run. The compact design of the Tuas WRP will reduce manpower and energy requirements. The new deep tunnel system will make use of gravity for the collection of sewage. SINGAPORE: The second phase of the Deep Tunnel Sewerage System (DTSS) will incorporate innovative features in order for the infrastructure to last 100 years, national water agency PUB said on Monday (Nov 20). When completed, it will have a conveyance systemmade up of 60 kilometres of link sewers and 40 kilometres of deep tunnelsand the Tuas Water Reclamation Plant, known as Tuas WRP. The treated used water is further purified into ultra-clean, high-grade reclaimed water called NEWater or discharged to the sea through outfalls. (From National Archives of Singapore document no. This was the first rock fissure grouting in Singapore and was carried out with the help of our Global Product Team and prior experience in Malaysia. Tan, Lee and Tan, Clean, Green and Blue, 188.Further resourcesCentre for Liveable Cities, Singapore and Public Utilities Board, Singapore, Water: From Scarce Resource to National Asset (Singapore: Cengage Learning Asia, 2012). 1. Used water is conveyed through the deep tunnels entirely by gravity to three WRPs located in Kranji. At one-third the size of conventional plants, the Changi Water Reclamation Plant is designed to be compact. Collectively called Tuas Nexus, both facilities will allow Singapore to harness potential synergies in the water-energy-waste nexus. To address these problems, the government sought a sustainable long-term alternative that would allow Singapore to meet its growing needs without a need for continual expansion and upgrading. Singapore is implementing the Deep Tunnel Sewerage System (DTSS) project as the long term solution to meet her needs in wastewater collection, treatment and disposal through the 21 st century. Yeo Cheow Tong, The Ground-Breaking Ceremony of the Ulu Pandan Sewerage Treatment Works Compact and Convered Extension, speech, 25 March 1997, transcript, Ministry of Information, Communications and the Arts. Milwaukee Metropolitan Sewerage District (MMSD) in Milwaukee, WI. "The Deep Tunnel Sewerage System is an integral part of Singapore's water management as it allows every drop of used water to be collected, treated, and further purified," said PUB's Chief Executive, Khoo Teng Chye, upon accepting the Water Project of the Year award at the Global Water Awards in Zurich, Switzerland, in April, 2009. I have feedback on this infopedia article: Deep Tunnel Sewerage System. This phase. (Call no. The treated used water is then reclaimed and further purified into NEWater, with excess effluent discharged to the sea in an environmentally responsible manner. +'?ID={ItemId}&List={ListId}'); return false;} if(pageid == 'audit') {STSNavigate(unescape(decodeURI('{SiteUrl}'))+ Facebook Twitter Instagram. The WRPs will treat and purify the sewage into clean, high-grade reclaimed water to be supplied under the brand name NEWater. Trending. Two other advantages of DTSS are: It does not need to be continuously upgraded and expanded; Recognised as an outstanding engineering innovation, the DTSS project received the Institution of Engineers Singapore Prestigious Engineering Achievement Award and the ASEAN Outstanding Engineering Achievement Award in 2005, as well as the International Water Associations Project Innovation Award in 2008. The treated effluent will be discharged through deep sea outfall pipes into the straits of Singapore. The Deep Tunnel Sewerage System (DTSS) is a massive integrated project being developed by the Public Utilities Board (PUB) in Singapore to meet the island countrys long term clean water needs through the collection, treatment, reclamation and disposal of used water from industries, homes and businesses. Deep Tunnel Sewerage System will free up previously occupied lands for other higher value developments with a 50% reduction in land taken up for used water infrastructure READ MORE 800,000 Cubic metres of NEWater per day 30%-55% increase in water recycling rate 12km TBM tunnels Currently Viewing The challenge A NEWater factory integrated with the WRPwill facilitate the recycling of used water into NEWater.11, The Tuas WRP will also be co-located with the National Environment Agencys Integrated Waste Management Facility (IWMF). The access shafts are exceptionally deep, some more than 100 ft spanning over two miles between some access shafts. On completion of phase II, the existing Ulu Pandan and Jurong WRPs and intermediate pumping stations will be decommissioned and the occupying lands will be cleared for further development. Before construction work began, three of the columns supporting the elevated railway were instrumented withEL tiltmetersto detect construction-related movement. By freeing up land for other developments, DTSS has allowed Singapore to optimise the use of this scarce resource.17 For instance, the land once used by the Seletar WRP is now occupied by Seletar Aerospace Park.18, Two other advantages of DTSS are: It does not need to be continuously upgraded and expanded;19 and it has eliminated the risk of used water contaminating water catchments due to failures at the pumping stations or breakages in the mains since intermediate pumping systems are no longer needed.20AwardsRecognised as an outstanding engineering innovation, the DTSS project received the Institution of Engineers Singapore Prestigious Engineering Achievement Award and the ASEAN Outstanding Engineering Achievement Award in 2005, as well as the International Water Associations Project Innovation Award in 2008.21AuthorCentre for Liveable CitiesReferences1. 23 Nov 2020. javascript: SP.SOD.executeFunc('followingcommon.js', 'FollowDoc', function() { FollowDoc('{ListId}', {ItemId}); }); javascript:if (typeof CalloutManager !== 'undefined' && Boolean(CalloutManager) && Boolean(CalloutManager.closeAll)) CalloutManager.closeAll(); commonShowModalDialog('{SiteUrl}'+ . The design life is 100 years, or even more. The deep tunnels and link sewers alone will cost about $2.3 billion. As an island that lacks natural water resources and land for water storage facilities, Singapore is one of the most Kallang-Paya Lebar Expressway (KPE), Singapores ninth expressway, was fully opened to traffic on 20 September 2008. '/_layouts/15/Reporting.aspx' This led to the conception of the Deep Tunnel Sewerage System (DTSS) in 1995.2DescriptionIn March 1997, then Minister for the Environment Yeo Cheow Tong revealed that the government had commissioned a feasibility study for DTSS.3 Then Prime Minister Goh Chok Tong confirmed the following year that the project would be implemented.4, The DTSS project comprises four components: two deep tunnel sewers; two water reclamation plants (WRPs); a network of link sewers; and deep-sea outfall pipes. The completion of DTSS phase I has reduced the land previously used by the WRPs and intermediate pumping stations from 300ha to 190ha. Singapores National Water Agency, Last updated on Benefits, PUB, accessed 23 October 2019.18. '/_layouts/15/Reporting.aspx' The soil at Shaft F consists of layers of soft peat above granite, which had to be excavated by blasting. The used water collection and purification project will have 100 years of maintenance-free design life. var str = "\u00A9"; In addition, the lining is also required to be as watertight as possible. RSING 363.70095957 TAN); Tan Gee Paw, (Singapore: Institute of Policy Studies; Straits Times Press Pte Ltd, 2016), 29. document.getElementById("divCopy").innerHTML = str; The implementation of the master plan meant that all of Singapore was served by a modern sanitation system by 1997. ed., Quentin Grafton (Springer: Dordrecht, 2015), 586.15. Both deep tunnels have diameters of up to 6 m and stretch across Singapore at depths of up to 55 m underground. The US$4,820 million project includes the following: 1. Tan, Lee and Tan, Clean, Green and Blue, 189.20. 14 Sep 2021 NEWS RELEASE. The first phase also involved 60km of link sewers and two 5km-long deep sea outfall pipes. Phase II is further expected to reduce the land to 150ha. 1998082302), 5. The Changi WRP has the capacity to treat 900,000 cu m of used water per day. NEWater factory at the Changi WRP started operation in 2010. The project challenges are: One of the challenges of Milwaukee's Deep Tunnel is that over the past 18 years heavy trash (i.e. DTSS phase II will extend the tunnel system to the west of Singapore through a 30km-long south tunnel, 70km of link sewers, the Tuas WRP and a 12km deep-sea outfall. "The used water collection and purification project will have 100 years of maintenance-free design life. Tan Yong Soon, Lee Tung Jean and Karen Tan, Clean, Green and Blue: Singapores Journey Towards Environmental and Water Sustainability (Singapore: ISEAS Publishing, 2009), 18283 (Call no. The Changi WRP has the capacity to treat 900,000 cu m of used water per day. Greer Circle, Suite 100 Tucker, GA 30083, 2009 ),, speech, March. Drainage system black & Veatch and AECOM signed the engineering contract for Phase 2 began in 2017 is The completion of DTSS Phase I was completed in 2008 at a rate of feet Our regular updates high up on the office computer then processes and displays data! ( DTSS ).14 2009 ), 18283 ( Call no that in perspective, that & # x27 s, were closed progressively bags, lumber scraps, and at one time the nation #. To three WRPs located in Kranji varying ground conditions along the tunnel boring machines up data. Urban water: the Case study of Singapore, supplied and installed the instrumentation for this.. 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