Tenders invited for engineering design of 3.9 km-long extension to S-Bahn on negotiated contract, deadline 9th October, 2000. Contact Stadt Koeln, fax +49 221 2212 8717. Visit http://ted.eur-op.eu.int for OJEC dated 29/09. October 2000. Six consultants, Speikermann, Arcadis, Kreps & Kiefer, Jessberger, Zerna, and DE-Consult, prequalified for one-year contract for engineering design of 3.9 km-long north-south railway line with 3.6 km in tunnel. Construction tenders expected mid-2002 for a start in 2003 using shielded TBM. Visit www.de-consult.de and www.arcadis.de 14/01. Restricted call for bids, deadline 4th April, 2002 for the construction of a 3.9 km section, of which 3.6 km will be in tunnel, as well as three shafts and eight stops, of which seven underground. Shield machine to be used. The 500 m portion between Breslauer Platz and Bahndamm Hohenzollernbrücke has a diameter of 5.7 m while the Kurt-Hackenberg Platz-RolandstraíŸe section has a diameter of 7.3 m. Cut-and-cover method for two of the stops. Work start in December, 2002. Visit http://ted.eur-op.eu.int/ojs/en/frame.htm, OJ S 46, document 36213-2002 or contact Kölner Verkehrs-Betriebe, fax +49 221 5473648.Also published a negotiated procedure for construction site supervision services. Visit http://ted.eur-op.eu.int/ojs/en/frame.htm, OJ S 45, document 35440-2002 or same contact as above. 11/02.Negotiated procedure, deadline 27th December, 2002 for engineering for TBM excavation of the north-south city train. Construction to cost €350 million. Visit http://ted.eur-op.eu.int/udl?request=Seek-Deliver&language=en&docid=186489-2002, OJ S 234, or contact Kölner Verkehrs-Betriebe, Cologne, fax +49 2215473648. 50/02.Hochtief, Bauer Spezialtiefbau, Brückner Grundbau and Keller Grundbau have won a €94.6 million contract to build the 680 m section Breslauer Platz - Kurt-Hackenberg Platz, 5.7 m inner diameter. Visit www.hochtief.de 48/03.A consortium formed by Bilfinger Berger, Wayss & Freytag and Züblin will build the next section Kurt-Hackenberg Platz - Markt StraíŸe for €385 million. The length is 3,260 m for two tunnel tubes, outer diameter 8.2 m and inner diameter 7.3 m. Two TBMs will be used. The six stations will be constructed using mining advance techniques. The line route involves driveage under buildings of historic significance in Cologne's old city centre. The ground will consequently need to be stabilised using techniques such as high pressure injection and freezing. Work will start in early 2004. The new underground railway is due to open in 2010. Visit www.bilfingerberger.de and www.nord-sued-stadtbahn.de 48/03.Negotiated procedure, deadline 17th March, 2006 for jet grouting as part of the construction by TBM of the north-south rail line in Cologne. Visit http://ted.publications.eu.int/udl?request=Seek-Deliver&language=en&docid=046694-2006, or contact KVB, Cologne, fax +49 2215473648. E-mail klaus.kroner@kvb-koeln.de 11/06.