Bidding Adif - Presidency Announcement. Object: Drafting Of The Construction Project And Execution Of The Works For The Improvement Of The Protection Of The Level Steps Located At The Kilometer Points 2/906, 3/600, 27/363, 36/631, 37/710, 39/764, 58/214, 68/997, 76/833 And 82/416 Of The Line 202 Torralba - Soria. File: 3.25/27507.0110.