(MENAFN- Muscat Daily) Four companies have emerged as frontrunners for the Wadi Dayqah Water Treatment Plant project which will be the country's first attempt to tap surface water from a reservoir for household supply.
The project is likely to make up for any shortfall of water in Quriyat and Muscat as the reservoir is supplied with inflow throughout the year unlike most wadis that swell intermittently. The tender floated by Public Authority for Electricity and Water (PAEW) last year saw 25 companies showing interest however only four have submitted financial bids.
Of the four Degremont Middle East has emerged the lowest bidder at RO33879113 while the highest bidder is Beijing Supower Technology Company at RO74732648. According to the Tender Board Galfar Engineering & Contracting has come up with two bids one for RO42838542 and the other for RO56403259.
The fourth bidder is Metito Overseas Limited at RO60312895. The Wadi Dayqah Water Supply Scheme represents one of the most important projects implemented by the sultanate to ensure sustainability of water resources.
The principal components of the scheme comprise two dams to impound Wadi Dayqah with pipelines pumping stations and a water treatment plant to supply drinking water to the local area and to Muscat governorate.
In this semi-arid country with few permanent surface-water resources the project will provide a much needed additional supply of up to 35mn m3 of water annually. The second phase of the dam involves construction of a water treatment plant and a transmission pipeline from Quriyat to Muscat.
Egyptian Contractors & Partners got the contract last year for building a nearly 50km water transmission line that will supply treated water from the Wadi Dayqah reservoir to Deem Reservoir in Amerat. The water treatment plant to be set up in the Mazara village in Quriyat around 2.3km north of the dam will be used for supplying water for drinking and household use to areas in Quriyat and Muscat.
'The water from the reservoir will be pumped up through a network of pipelines along the Mazara village road to the treatment plant. The plan is to supply up to 10mn m3 of water for irrigation purposes and another 25mn m3 for domestic use annually' said an official at the Ministry of Regional Municipalities and Water Resources.
The successful company will be required to implement the water treatment plant on a Design Build and Operate (DBO) basis. The expected maximum input capacity of the plant will be 125mn litres per day (Ml/d) and maximum throughput of 134Ml/d. Additionally a 70000 m3 capacity treated water storage tank will be built. The operation contract of the project will be for a period of ten years.
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