Open invitation to tender, deadline 15.06.2015, for ceiling slabs (Lot E83) in the 1.14 km-long Mosi tunnel on N04. Duration of contract from October, 2015 to end-February, 2019. Further information from http://www.simap.ch/shabforms/servlet/Search?NOTICE_NR=861613. Contact Ofrou, Zofingen, e-mail beschaffung.zofingen@astra.admin.ch. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=121194-2015. Ref. n. 080208. 15/15.