Qualification system for consultancy services for the tunnel construction by closed face TBM (diameter > 6m) and deep shafts for the 30km new U5 metro line in Hamburg. Contact Hamburger Hochbahn AG, Hamburg, tel +49 403288-4152, fax +49 403288-834152, email uwe.kirsten@hochbahn.de. For tender information please click here and here. 49/20.