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18 June, 2009 — The treatment of wastewater in Singapore steps into the future next week with the opening of phase one of a deep tunnel sewerage system and the Changi water reclamation plant.
The concept for Singapore’s deep tunnel sewerage system was first conceived in the late 1990s. At that time, Singapore had in place a comprehensive wastewater system, comprising over 3,000km of sewers and pumping mains, 100 pumping stations and six water reclamation plants serving the tiny 704km² island.
This project has involved 49 main contractors and consultants, with over 300 subcontractors and suppliers. A joint venture of consultants CH2M Hill and Parsons Brinckerhoff carried out a feasibility study of the deep tunnel sewerage system and designed the 48km long tunnels.
Please visit the New Civil Engineer to read the full article.
Headquartered near Denver, Colo., employee-owned CH2M HILL is a global leader in engineering, procurement, construction, management and operations for government, civil, industrial and energy clients. With $6.4 billion in revenue and more than 25,000 employees, CH2M HILL is an industry-leading program management, construction management and design firm, as ranked by Engineering News-Record (2008). The firm's work is concentrated in the areas of energy, water, transportation, environmental, nuclear and industrial facilities. The firm has long been recognized as a most-admired company and leading employer, including being named by FORTUNE as one of the 100 Best Companies to Work For (2009).
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