Open invitation to tender, deadline 03.11.2017, for the DS (Safety Dossier) on tunnels and road network refurbishments for the DETEC 74001 rules in the subsidiary F1 of Ofrou (ID4691). The contract is composed of 4 lots. The duration of the contract is from 01/02/2018 to 31/12/2022. For further information http://www.simap.ch/shabforms/servlet/Search?NOTICE_NR=986717 (french). Contact Ofrou, Estavayer-le-Lac, tel +41 58 461 87 11, email marchespublics.estavayer@astra.admin.ch. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=380182-2017. Ref. n. 170024 – EP 6.5 Divers. 39/17.