Open invitation to tender, deadline 29.01.2014, for geological and hydrogeological documentation of 4.1 km north-east B1 Wienerstrasse section of Lambach bypass with 912 km-long tunnel, three bridges and farm buildings. Contract duration 13 months after award. Further information from Upper Austria Government, Bridges and tunnels Dept. in Linz, tel +43 732772012330, fax +43 7327720212911, e-mail baub.post@ooe.gv.at. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=417513-2013. Ref.n. BauB-930001/0153-2013. 51/13.