Deep Tunnel Sewerage System Wins Engineering AwardsSingapore's Deep Tunnel Sewerage System (DTSS) has won this year's Prestigious Engineering Achievement Award handed out by the Institution of Engineers Singapore (IES). The project also clinched the ASEAN Outstanding Engineering Achievement Award this year.The DTSS project is an innovative and cost-effective solution to meet Singapore's long-term needs for used water collection, treatment and disposal. It is conceptualised as a means to relieve land use in land scarce Singapore and also to convey and treat used water reliably. The first phase of DTSS consists of a pan-island deep tunnel sewer and a network of link sewers to convey used water by gravity to a large water reclamation plant at Changi for treatment before the effluent is being discharged through a deep sea outfall. The project is scheduled for completion in 2008.In future, the DTSS will replace the existing six water reclamation plants and about 130 pumping stations. It will free up prime land currently used by the existing plants and stations, as well as the buffer zones surrounding the plants. The area is estimated to be 1,000 hectares which is equivalent to the size of two new towns in Singapore. Click sg/11. Click here, here and here. Read E-News Weekly 9/2005, 24/2004 & 15/2002. Visit www.dtss.com.sg and www.ies.org.sg 45/05.