Bidding Announcement: Adif High Speed ​​- Presidency. Object: Consulting And Assistance Services For Supporting The Work Of Commissioning Of The L634 Bif Branches. Bellissens - Bif Vilaseca And L642 Bif. The Xacona - Bif. The Gatellada. In Open Order Regime. File: 3.25/20830.0103.