On May 25, 2006, WACO-SEMBCORP contractors coordinated with Ninh Thuan PPMU for Water Supply and Sanitation to start work on the main construction items of the tender package of improving the Phan Rang – Thap Cham Water Supply System (International Tender Package No. B/05/ICB/NT3) under the Third Project of Water Supply and Sanitation for Towns of Ninh Thuan Province funded by ADB.

The project of improving the Phan Rang Water Treatment Plant was to increase its capacity from 12,000 m3/day to 52,000 m3/day.

This project was invested by Ninh Thuan Water Supply Co., Ltd. The value of the contract signed with WACO–Sembcorp was VND145.402 billion (or US$9 million), accounting for 70% of the project’s construction works. Main construction items included a raw water intake pumping station, a D700 raw water pipeline connecting the pumping station and the treatment system which has a capacity of 40,000 m3/day; a reservoir of 3,000 m3, a treated water pumping station, a mixing tank and a technical tunnel system; improvement of the existing treatment facility of 12,000 m3/day; construction of a chemical house and a mechanical warehouse; construction of a reservoir of 1,500 m3 and a booster pumping station in Phan Rang Town; construction of a reservoir of 1,500 m3 and a booster pumping station in Dong My Hai, construction of a reservoir of 1,000 m3 and a booster pumping station in Phuoc Dan; installation of a D700 and D600 water transmission pipeline connecting Thap Cham and Phan Rang, a D400 pipeline transmitting treated water to Phuoc Dan, a D400-300 pipeline to Dong My Hai and a D300 pipeline carrying treated water along Yen Ninh Road to Du Khanh (Ninh Hai District), in totally 29 km. Besides, the partners WACO-SEMBCORP made and installed a mechanical and electrical system and a control system as well as carried out operational training to the investor. The tender package was implemented for 72 weeks until late 2007 and supplied clean water to 295,560 people.

Total investment of the project was US$23,190,000; of this, US$14,413,000 was borrowed from Asian Development Bank (ADB), US$2,700,000 from the French Development Agency (AFD), US$276,000 as ODA fund from NORAD (Norway) and US$5,801,000 as counterpart fund came from local sources.