Invitation to tender using negotiated procedure, deadline 03.12.2009, for project management of refurbishment of seven tunnels in Cologne: Tunisstrasse (Cologne-Altstadt/Nord), Grenzstrasse (Cologne -Buchforst/Kalk), Rheinuferstrasse (Cologne-Altstadt), Bahndammstrasse-Am Domhof-Bischofsgartenstrasse (Cologne -Centrum), Herkulesstrasse (Cologne-Ehrenfeld), Opladener Strasse (Cologne-Deutz) in north-south-direction, in accordance with RABT 2006. The total general refurbishment contract amounts to EUR52 million. For more contact Mr Sahin, City of Cologne, Cologne, tel +49 221221-20337, e-mail Bruecken-stadtbahnbau@stadt-koeln.de. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=307920-2009. 46/09.

Prior information notice of intended commencement of award procedures on 27.05.2010 for refurbishment to RABT 2006 standard of Grenzstrasse tunnel in Cologne, which is a stacked tunnel with three lanes in each direction, the upper tube 320 m-long and lower tube 540 m-long. Duration of contract 6 months, value EUR9.8 million. More from Stadt Koeln, tel +49 221221-23647, fax -28715, e-mail zentrales-vergabeamt@stadt-koeln.de. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=058607-2010. 09/10.

Prior information notice of start of award procedures on 27.05.2010 for general safety upgrade and restoration of six road tunnels to RABT 2006 standard, value EUR26.5 million, commencing winter 2010 with Herkulestrasse, value EUR7.54 million. For further information contact Stadt Koeln, tel +49 221221-23647, fax -28715, e-mail zentrales-vergabeamt@stadt-koeln.de. For details of all tunnels involved in this project visit tunnelbuilder archive de/106. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=062973-2010. 09/10.

Zerna Ingenieure GmbH (Koeln), secured the EUR1.5 million contract for general safety upgrade and restoration of six road tunnels to RABT 2006 standard. For further information contact Stadt Koeln, tel +49 221221-23647, fax -28715, e-mail zentrales-vergabeamt@stadt-koeln.de. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=156187-2010. 24/10.Obermeyer Planen + Beraten GmbH (Koeln) secured the EUR571,000 contract for general safety upgrade and restoration of Grenzstrasse tunnels to RABT 2006 standard. For further information contact Stadt Koeln, tel +49 221221-23647, fax -28715, e-mail zentrales-vergabeamt@stadt-koeln.de. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=156202-2010. 24/10.

Prior information notice of intended commencement of award procedures on 30.06.2011 for tunnel repairs and renewal of electrical equipment in Bochum A448 tunnels. Contract duration 29 months. Further information from Tobias Harten at Regionalniederlassung Ruhr in Bochum, tel +49 2349552-0, fax -435, e-mail tobias.harten@strassen.nrw.de. NUTS Code DEA51. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=136256-2011. NUTS Code DEA51. 18/11.

Open invitation to tender, deadline 04.08.2011, for tunnel repairs and renewal of electrical equipment in Bochum A448 tunnels. Contract duration 29 months. Further information, specs and docs from Vergabeservice at Regionalniederlassung Ruhr in Bochum, tel +49 2349552-0, fax -435, e-mail v-o-ml-r-vergabe-sub-leiter@strassen.nrw.de. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=217334-2011. 28/11.

Open invitation to tender, deadline 26.06.2013, for refurbishment of Grenzstrasse tunnel in Cologne, which is a stacked tunnel with three lanes in each direction, the upper tube 320 m-long and lower tube 540 m-long. Duration of contract 590 days after award. More from Stadt Koeln, e-mail dorothea.kreutz@stadt-koeln.de. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=154583-2013. 20/13.

Postponed from 26.06.2013 to 03.07.2013 the opening tenders for refurbishment of Grenzstrasse tunnel in Cologne, which is a stacked tunnel with three lanes in each direction, the upper tube 320 m-long and lower tube 540 m-long. Duration of contract 590 days after award. More from Stadt Koeln, e-mail dorothea.kreutz@stadt-koeln.de. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=198953-2013. 26/13.