Nuclear Power Corporation of India Limited (NPCIL) is in the process of setting up their prestigious nuclear power project (2 units of 1000 MW each) at Kudankulam, Tamil Nadu. To cater to the potable water requirement of the main plant and the residential complex, NPCIL had contracted Tata Projects Limited (TPL) to undertake the work of EPC basis for setting up seawater reverse osmosis (SWRO) plant of 2 x 25 M³ / hour capacity with an inbuilt expansion capability of additional stream of 25 M³ / hour.

The scope of work consisted of detailed bathymetric survey, seawater intake and outfall systems, pre-treatment system, reverse osmosis block, product water system, and a cross country pipeline, 11 km long, to connect the main plant with the township.

Engineering support for the project was provided by TCE Consulting Engineers Limited and the process by M/s Doshi Ion Exchange and Chemical Industries Ltd., Ahmedabad, in association with Dow Chemicals, USA. Work was completed in 14 months, within the scheduled delivery period.

The above seawater reverse osmosis (SWRO) plant, including allied facilities, was inaugurated and dedicated to the nation by V K Chaturvedi, chairman and managing director of Nuclear Power Corporation of India Limited (NPCIL) at Kudankulam, on August 1, 2002. K P Singh, managing director, TPL, was also present during the inaugural function.