Invitation to tender by negotiated procedure, deadline 01.07.2013, for engineering services for lots PA 2.3, length 21 km, with 2 km in tunnel; PA 2.4, length 7 km, with the 6 km-long bi-tube Albabstieg tunnel on the new AV line Wendlingen-Ulm, half of which is in tunnel. Contact DB ProjektBau GmbH, Stoccarda, e-mail einkauf-s21@deutschebahn.com. Visit http://ted.publications.eu.int/udl?request=Seek-Deliver&language=en&docid=1936820-2013. 25/13.