Construction for Phase 2 began in 2017 and is scheduled to be completed by 2025. The access shafts are exceptionally deep, some more than 100 ft spanning over two miles between some access shafts. + '?List={ListId}&ID={ItemId}'), /_layouts/15/images/sendOtherLoc.gif?rev=43, javascript:GoToPage('{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. 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Corporate Headquaters 4561 Greer Circle, Suite 100 Tucker, GA 30083. 20171120003); PUB, , , 21 November 2017 (From Factiva via NLBs, 12. To overcome the pervasive space challenge, the country is investing in megaprojects that will help overcome these problems and take it into the next century. The Herrenknecht Mixshield S-1144 with a diameter of 4.86 meters drives approx. Treated used water from the WRP is directed to the NEWater factory and further purified for reuse, with any excess discharged into the sea.7Phase 2Construction for Phase 2 began in 2017 and is scheduled to be completed by 2025.8 Estimated to cost S$6.5 billion, Phase 2 encompasses a new WRP at Tuas along with its corresponding outfall pipe, 40 km of deep tunnel sewers and 60 km of link sewers.9While Phase 1 serves the eastern part of Singapore, Phase 2 covers the western and southern parts of the island. Construction of 60km of link sewers 2. by Pumps & Systems. Spanning two phases over more than 20 years, Phase 1 was completed in 2008 while Phase 2 is due to be completed by 2025.BackgroundIn the late 1960s, the Public Works Department drew up the Sewerage Master Plan to guide the development of a comprehensive sewerage system to cope with rapid population growth and industrialisation in post-independence Singapore, as well as to improve the quality of life. One of the most ambitious wastewater management programs in the world, the $3.65 billion DTSS will allow Singapore to accommodate an expected population increase from 4.5 million to 5.5 million, enable . +'?Category=Auditing&backtype=item&ID={ItemId}&List={ListId}'); return false;} if(pageid == 'config') {STSNavigate(unescape(decodeURI('{SiteUrl}'))+ press release. 1997032501), , speech, Kallang Theatre, 23 August 1998, transcript, Ministry of Information, Communications and the Arts. PUB, Singapore's National Water Agency, PUB Breaks Ground for Conveyance System of Deep Tunnel Sewerage System Phase 2, 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. In 2010, a NEWater factory was built atop the WRP. 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. . Begun in 1975, and at one time the nation's largest . document.getElementById("copyrightYear").innerHTML = today.getFullYear(); The treated effluent will be discharged through deep sea outfall pipes into the straits of Singapore. '/_layouts/15/docsetsend.aspx' 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. Keller was awarded subcontract work for rock ssure grouting under Ed Zublin AG for the Deep Tunnel Sewerage System Phase 2 project in 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. Spanning two phases over more than 20 years, Phase 1 was completed in 2008 while Phase 2 is due to be completed by 2025. The Deep Tunnel Sewerage System, which will be the conduit for all used water islandwide, will boost water recycling and free up space in land-scarce Singapore. At one-third the size of conventional plants, the Changi Water Reclamation Plant is designed to be compact. The 30km long south tunnel connecting the Tuas WRP will be built as part of the DTSS phase II. MSE_20000708001); Phase 1, PUB, accessed 23 October 2019.7. (Call no. The treated used water is further purified into ultra-clean, high-grade reclaimed water called NEWater or discharged to the sea through outfalls. Ministry of the Environment and Water Resources, Deep Tunnel Sewerage System (DTSS), press release, 20 January 2001 (From National Archives of Singapore document no. The deep tunnel works entirely bygravity, eliminating the need for pumping stations, and thus the risks of used water overflows. Spanning two phases over more than 20 years, Phase 1 was completed in 2008 while Phase 2 is due to be completed by 2025. 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. '/_layouts/15/Hold.aspx' Another issue with the existing system was the large land area occupied by treatment plants and pumping stations. +'?ID={ItemId}&List={ListId}'); return false;} if(pageid == 'audit') {STSNavigate(unescape(decodeURI('{SiteUrl}'))+ 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 . A Deep Tunnel Sewerage System is - especially from an operation cost point of view - a very cost-efficient solution to meet long-term needs for wastewater collection, treatment and disposal. Singapores National Water Agency, Last updated on In March 1997, then Minister for the Environment Yeo Cheow Tong revealed that the government had commissioned a feasibility study for DTSS. The tunnels will be supported by about 140km of link sewers and two major pump stations. +'?ID={ItemId}&List={ListId}', 'center:1;dialogHeight:500px;dialogWidth:500px;resizable:yes;status:no;location:no;menubar:no;help:no', function GotoPageAfterClose(pageid){if(pageid == 'hold') {STSNavigate(unescape(decodeURI('{SiteUrl}'))+ The Turas WRP is energy self-sufficient, requires less manpower, includes advanced treatment with NEWater production and is in Co-location . (Call no. 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. This led to the conception of the Deep Tunnel Sewerage System (DTSS) in 1995. 1998082302)5. 4.12 Foamed concrete and CLSM Low-strength, low-density concrete has a number of applications including backfilling of utility trenches, filling old tunnels, sewers, tanks and other voids in or beneath structures. This was the rst rock ssure grouting in Singapore and was carried out with the help of our Global Product Team and prior experience in Malaysia. 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. 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. Navin Sregantan, PUB Starts Second Phase of DTSS with S$2.3B of Work Contracted Out, Business Times, 20 November 2017.9. 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/DocSetVersions.aspx' However, Singapores water supply faced an increased risk of contamination due to pipe damage owing to infrastructure degradation over time. Phase I of the DTSS is comprised of north and spur tunnels and associated link sewers connected to the Changi WRP. CH2M Hill and its joint venture partner Parsons Brinckerhoff conceptualised and managed the planning, design and construction of the DTSS phase I. Samsung Engineering and Construction was awarded the construction contract for a portion of the tunnels under DTSS phase I.Other contractors involved in Phase I included the TMCR Group, Ah Boon Civil Engineering and Building Contractor, Sembawang Engineers and Constructors, Penta Ocean Construcion Company, KTP Consultants and AKS Lining Systems. RSING 363.70095957 TAN); Tan Gee Paw, (Singapore: Institute of Policy Studies; Straits Times Press Pte Ltd, 2016), 29. '/_layouts/15/Reporting.aspx' 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. View Image Gallery When the entire DTSS is completed, existing intermediate pumping stations and conventional Water Reclamation Plants(WRPs) will be phased out, freeing up land. The varying ground conditions along the tunnel alignment will also put the competency of the team to test. By freeing up land for other developments, DTSS has allowed Singapore to optimise the use of this scarce resource. Facebook Twitter Instagram. The challenge During the project, the client . (From National Archives of Singapore document 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. 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. For example, the Deep Tunnel Sewerage System (DTSS) of Singapore, Kuching Wastewater Management System of Malaysia . DTSS uses deep tunnel sewers to convey used water by gravity to centralised water reclamation plants (WRPs) located at the coastal areas. The whole of Singapore will be served by the DTSS when Phase 2 is complete by 2025. Under this project some 48km of tunnels of diameters between 3.3m to 6m will be constructed. 2.8 kilometers of sewage tunnel for Phase 2 of the Deep Tunnel Sewerage System in Singapore. "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. National Environment Agency, Singapore, , 14. The master plan divided Singapore into six sewage catchment zones, each served by a sewage treatment works (later renamed water reclamation plants). Cited By . Used water is conveyed through the deep tunnels entirely by gravity to three WRPs located in Kranji. Yue Choong Kog, Transboundary Urban Water: The Case Study of Singapore and Malaysia, in. The Kranji WRP was an existing facility, while the Changi and Tuas WRPs are new ones built under the DTSS project. '/_layouts/15/docsetsend.aspx' '/_layouts/15/Reporting.aspx' PUB. The implementation of DTSS will eventually halve the land area occupied by used water infrastructure, which was 300 ha in the 1990s. The tunnel system will also replace more . + '?List={ListId}&ID={ItemId}'), /_layouts/15/images/sendOtherLoc.gif?rev=43, javascript:GoToPage('{SiteUrl}' + (Singapore: ISEAS Publishing, 2009), 18283 (Call no. The new Tuas WRP and an advanced NEWater factory are the main elements of DTSS Phase II. Power: 15-75 kW; Diameter: 0,6 - 0,9 m; The tiltmeters were located high up on the columns to prevent them being disturbed by the public. The master plan divided Singapore into six sewage catchment zones, each served by a sewage treatment works (later renamed water reclamation plants). One such project is the Deep Tunnel Sewerage System. Singapore is the world leader in sustainable water and sewage management. </p> Skip to content WSP WSP Toggle navigation Click to close search Click to open search WSP WSP Who We Are 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. (Call no. Monitoring was still in progress at the time of writing and will continue for three years. Trending. The soil at Shaft F consists of layers of soft peat above granite, which had to be excavated by blasting. The Deep Tunnel Sewerage System utilises large, deep tunnels to convey used water to centralised water reclamation plants for further treatment. '/_layouts/15/DocSetVersions.aspx' Learn more here. 18 Built in phases, the multi-billion dollar project is slated to eventually replace the existing system of sewage collection, treatment and disposal. MultiMon softwarerunning on the office computer then processes and displays the data, all in near-real time. Subject Abstract The Deep Tunnel Sewerage System (DTSS) is aimed at providing a robust and efficient means of catering to Singapore's used-water needs. By using new technology, this infrastructure will also take Singapore's sewage management into the next century. Portal ventilation for 4 tunnel drives of lot T07 as well as secondary fans on the tunnel boring machines. 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. The freed-up land can then be used for other higher-value developments. "The used water collection and purification project will have 100 years of maintenance-free design life. NEWater factory at the Changi WRP started operation in 2010. RSING 363.61095957 TAN), , speech, 25 March 1997, transcript, Ministry of Information, Communications and the Arts. The biogas is then conveyed to the IWMF to improve the thermal efficiency of the incineration plant, thereby boosting electricity production. DTSS is a key part of our long-term used water system which comprises a network of link sewers leading to two major tunnels (Phase 1 & 2) criss-crossing Singapore with three large WRPs at the northern (Kranji), eastern (Changi) and western (Tuas) ends of Singapore, as well as outfall pipes. The project challenges are: One of the challenges of Milwaukee's Deep Tunnel is that over the past 18 years heavy trash (i.e. 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). If you continue to use this site we will assume that you are happy with it. 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 Main Trunk Sewer (MTS) is a major element of the Doha South Sewage Infrastructure Project. [CDATA[ //]]> Although now heralded as a success, the project was not without its challenges. Construction on the first phase was completed in 2008 and the second phase is scheduled to begin in 2016, with completion by 2022. Collectively called Tuas Nexus, both facilities will allow Singapore to harness potential synergies in the water-energy-waste nexus. The two screen shots at right (columns and engineering drawing) show how MultiMon overlays a representation of the site with color-coded data boxes. To meet Singapore's needs, the Singapore government put in place an S$3.65 billion Deep Tunnel Sewerage System (DTSS). The system was conceived by Singapore's Public Utilities Board (PUB) as a cost-saving, sustainable solution to meet Singapore's future needs for used water collection, treatment, reclamation and disposal. The ALCOSAN deep tunnel system (DTS) is a gravity sewer; however, during normal operations it runs in a constant surcharged state. The electricity generated at the IWMF will fully power both facilities at Tuas Nexus, with excess electricity fed to the grid. Singapore is considered to be one of the most water-stressed countries in the world. The Ultimate Reasons why Doc Martens are So Expensive ? (Call no. After the completion of DTSS Phase 1 in 2008, the Kim Chuan, Seletar and. 2xESN9-750. floatables, such as assorted jugs, bottles, bags, lumber scraps, and leaves) have accumulated . +'?Category=Auditing&backtype=item&ID={ItemId}&List={ListId}'); return false;} if(pageid == 'config') {STSNavigate(unescape(decodeURI('{SiteUrl}'))+ MEWR20010120001); PUB, , , 20 November 2017 (From National Archives of Singapore); , , speech, Mandai Road, 8 July 2000, transcript, Ministry of The Environment (For National Archives of Singapore document no. 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. By collecting every drop of used water, DTSS allows for efficient, large-scale water recycling, thus ensuring the sustainability of NEWater. Goh Chok Tong, National Day Rally Speech in English, speech, Kallang Theatre, 23 August 1998, transcript, Ministry of Information, Communications and the Arts. 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. Deep Tunnel Super Pumps - Pushed to the Edge. Keller was awarded subcontract work for rock ssure grouting under Ed Zublin AG for the Deep Tunnel Sewerage System Phase 2 project in Singapore. Please contact the Library for further reading materials on the topic. City of Indianapolis Deep Tunnel System. (From National Archives of Singapore document no. 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. CEP, Slope Indicator's representative and exclusive distributor in Singapore, supplied and installed the instrumentation for this project.
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