Open invitation to tender, deadline 23.03.2015, for engineering services for ventilation control panels in the new monotube 2,481m Kaiserstuhl tunnel on new strecht of national road A8. Time limit for receipt of requests for documents or for accessing documents: 13.02.2015. Contact Canton of Obvaldo, Sarnen, e-mail hta@ow.ch. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=031499-2015. 05/15.
