Biwater finishes first half of Changi performance tests

The first half of the Sembcorp Changi NEWater Plant (SCNP) in Singapore completed performance tests on 14 July, contractor Biwater AEWT told D&WR. No date has been set for plant commissioning, says Biwater.

Designed by Black & Veatch, the plant uses microfiltration, reverse osmosis (RO) and ultraviolet radiation to produce high-grade reclaimed water. With an initial capacity of 69,000 m³/d, and 228,000 m³/d when completed, it is the fifth and largest NEWater plant in Singapore.

Main contractor Sembcorp was awarded the project in January 2008 and has an agreement to supply PUB, Singapore’s national water agency, with NEWater for the next 25 years.

Biwater is also just getting started on the Santa Monica, California, contract to design and supply a new RO system, which it won in February 2009. The new plant will deliver a total of 9.28 MGD (35,130 m³/d) of high quality drinking water when completed. It is designed to desalinate the raw water from the City of Santa Monica’s wellfield with approximately 780 mg/l of total dissolved solids.

BAEWT and Biwater USA will be performing under a subcontract, awarded by Black & Veatch, which is serving as the general contractor for the project. The plant will consist of four RO trains with three stages at a total of 85% recovery.

In addition, on 16 June 2009, Biwater president Adrian White met with the Peruvian President, Alan Garcia, at the Government Palace to discuss Biwater’s proposed investment in the development of a desalination plant in Peru to ensure the supply, storage and distribution of potable water to the southern part of Lima by 2011.

This article was updated on 21 July 2009.

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