Upping the ante in Greater Tunis

Bigger proves better for Tunisia’s flagship wastewater project.

Two new wastewater BOTs in Greater Tunis, known as El Allef and El Attar 2, are the cornerstone of ONAS' wastewater treatment strategy and its plans for a large-scale treated effluent transfer scheme in Tunisia. Three consortia have prequalified for the contract, and the winning bidder will also operate and maintain three of the newest - and biggest - wastewater treatment plants ...

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