Open invitation to tender, deadline 14.02.2017, for the upgrading of equipment in a tunnel on the AP-8. The EUR16.05 million contract, excluding VAT, is composed of three lots and includes the following tunnels : Urdinbide (695 m, 693 m)/Autzagane and Uretamendi (590 m, 590 m) on the Amrebieta-Muxika section and the Ermua South Bypass Variante Sud, Artxanda and Zaldibar (599 m, 594 m). Contact Interbiak Bizkaiko Hegoaldeko Akzesibilitatea SA, Bilbao, tel 944057000, fax 944057001, e-mail info@interbiak.eus. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=465008-2016, GU S 252 and http://interbiak.bizkaia.eus/ca_detalle_listado_contratista.asp?idContrato=168. Ref.n. Exp. 066/2016/ARM/AT. 01/17.