Open invitation to tender, deadline 18.01.2016, for geotechnical measuring and tunnel scan in the 2.9 km-long Perjen tunnel on the S16 Arbel expressway. Contract duration from 01.03.2016 to 31.03.2020. Contact Eng Martin Jaeger at Asfinag, Wien, tel +43 5010814276, fax +43 5010814272, e-mail martin.jaeger@asfinag.at. Visit http://ted.publications.eu.int/udl?request=Seek-Deliver&language=en&docid=418297-2015. Ref.n. 2015/PROVIA ID-Nr:1785. 49/15.