Larsen & Toubro also passes technical evaluation
Two bids passed the evaluation:
- Doosan (South Korea) RO31m ($81m)
- Larsen & Toubro Oman (India) RO32m
The work involves increasing the capacity of the STP from the existing 55,000 cubic metres a day (cm/d) to an average flow capacity of 96,000 cm/d and a maximum flow capacity of 125,000 cm/d, and upgrading associated infrastructure. It also includes increasing the capacity of the Azaiba central pumping station, at a separate site, from its current 1,500 litres a second (l/s) to 3,000 l/s.
US firm Aecom provided design and consultancy services for the project.
The plant expansions are part of a RO2.1bn investment by Haya Water as it aims to connect 80 per cent of the Muscat area to wastewater services by 2020, and reach 93.1 of the population by 2025. Connection rates in 2013 were less than 20 per cent.
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