Additional information on the qualification system for the construction of the deep pits, section of track, stations structures and safety exits (shell construction) and tunneling for the U5 Hamburg subway. The new underground line will be 25 km long with approx. 23 stops. Procurement will take place in several stages. Click here for tender documents and here where tenders must be sent. Contact Hamburger Hochbahn AG, Hamburg, tel +49 403288-2973, fax +49 403288-2138, email goetz.schumacher@hochbahn.de. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=190605-2022. Ref.n. QS 011/200. 15/22.