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Sfax Seawater Desalination Plant

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Sfax Seawater Desalination Plant

The project involves building a seawater desalination plant in Sfax, Tunisia, with an initial capacity of 100,000 m³/day (expandable to 200,000 m³/day). Led by SONEDE and entrusted to a consortium including ORASCOM, METITO, and COBRA, this major project aims to secure the region’s drinking water supply by tapping into a new non-conventional water source. The works include the seawater intake, the desalination plant, brine discharge, storage and pumping of treated water, as well as supporting infrastructure and utilities. This project is crucial to addressing the water challenges in the Sfax region.

project details
Client:Consortium ORASCOM - METITO - COBRA
Location:Gargour, Sfax
Project completion:2025
Amount:96 550 000 TND
Scope of work:
  • - Civil engineering work for all components of the desalination plant.
  • - Utilities and infrastructure work for all components of the desalination plant.
  • - Construction of maritime structures such as intake towers and ballast blocks.
Key figures:
  • - Area: 80,000 m²
  • - Concrete volume to be used: 60,000 m³
  • - Steel quantity to be used: 8,800 tons
  • - Backfill volume: 120,000 m³
  • - Largest mass concrete pour is for the foundation slab of the seawater pumping station:
    • - Concrete volume: 3,300 m³
    • - Pouring duration: 22 hours nonstop
    • - Slab depth: -14 m
    • - Slab thickness: 1.5 m
    • - Maximum concrete temperature during pouring: < 32°C (despite ambient temperature of 40°C)
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