Open invitation, deadline 10/05/2021, to supply and install the new fans in the Belate (2.968 m) and Almandoz (1.220 m) tunnels on the N-121-A road. Value of the contract EUR1.17 million, excluding VAT. Duration of the contract 8 months. Contact Gobierno de Navarra, attn Maria Vela Jaurrieta, Pamplona, tel +34 848422937, email mvelajau@navarra.es. For further on the tender, please click here and here. Ref.n. 2021002. 17/21.