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Geotechnical studies sought for Tabarka pumped-storage project in Tunisia

Postqualification bids in a single stage, two-envelope bidding procedure are sought by 4 April.

Tunisia’s state-owned energy utility Societe Tunisienne de l’Electricité et du Gaz (STEG) seeks to engage a qualified international consulting engineer to carry out geological and geotechnical studies for a planned 400 MW pumped-storage station in Tabarka on the Oued el Melah, a valley which runs through the territories of the central western governorates of Gafsa and Tozeur on the border with Algeria.

The services, which are to be financed by Germany’s development bank Kreditanstalt für Wiederaufbau (KfW) under German-Tunisian bilateral financial cooperation, will comprise the collection of geological and geotechnical data on the Tabarka pumped storage station, including surveying. The works mainly include: core drilling with in situ testing and laboratory testing of rock samples; Laboratory tests; Pressuremeter surveys (multi-channel analysis of surface waves (MASW) and time-domain electromagnetic method (TDEM)); and, preparation of geophysical profiles and borehole/well logging, according to a tender notice published on 11 February. The services are expected to be provided by an international consultant in association with a local consulting firm as a sub-consultant and are estimated to take around nine months to complete. The development of a 400 MW pumped-storage station is the subject of an ongoing national study into energy storage with the aim of facilitating the integration of intermittent renewable energy sources and improving Tunisia’s energy security while reducing the gas deficit. For pre-selection procedures, see “Guidelines for the Award of Service Contracts Consulting, Civil Works, Installations, Supplies and Miscellaneous Services in Financial Cooperation with Countries Partners”:www.kfw-entwicklungsbank.de.

To register interest and obtain the full bidding documents for tender BMZ No: 2009 19 903, interested bidders should send an email to tender.agent@bohnet-consulting.de. In the case of difficulties with sending emails, bidders can call the tender agent on +49 6762 960275.

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