Prior information notice for structural retrofitting and rehabilitation of Ems BAB31 tunnels, including parts of tunnel structure, protection devices, and operational features. Estimated contract value EUR11-12 million excluding VAT, duration 14 months. Scheduled date for start of award procedures 25.02.2013. Contact Peter Foerster-Heidenreich at NLStBV in Oldenburg, tel +49 4412181148, fax –222, e-mail Peter.Foerster-Heidenreich@nlstbv-ol.niedersachsen.de. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=412135-2012. NUTS code DE94C. 01/13.