Bahrain receives Khalifa City sewage bids

22 February 2023

Bahrain’s Works Ministry has received three proposals for the contract to design and build the first phase of the Khalifa City sewage treatment plant (STP) project.

The local firm Mohammed Abdulmohsin al-Kharafi Sons submitted the lowest bid of BD43.86m ($116.5m).

The Bahrain Tender Board said its offer is “accepted with conditions”.

The other two bidders are:

  • Zohal Construction Company: BD 46.35m
  • Al-Hafeera Contracting Company: BD 84.9m

The project comprises the design, construction, operation and maintenance of the project components for phase 1 of the Khalifa City STP.

The planned STP project has an average capacity of 20,000 cubic metres a day (cm/d).

The emergency sea outfall will have a daily average flow of 40,000 cm/d covering the first and second phases of the Khalifa STP as well as the Hiwar trunk sewer.

The work scope includes the operation and maintenance of the treatment plant for four years.

 The design and construction of the  Hiwar Highway trunk sewer and the removal of five existing sewage treatment plants in Jaw,  Asker, old Al-Dur and a further two 2 STPs built by the Housing Ministry are also part of the scope.

In addition, the selected contractor will operate the plant as well as oversee the decommissioning of three existing three small STPs in Asker, Jaw and Al-Dur.

According to MEED Projects data, over $ 8.1bn worth of water treatment plant projects are under construction across the six GCC states.

Projects with a collective budget worth over twice that figure are in the pre-execution phase.

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Jennifer Aguinaldo
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