Error Correction Announcement From: Adif - Presidency. Purpose: Drafting Services For The Comprehensive Improvement Project Of The Torrassa Tunnel Between Pp.Kk. 616+100 And 621+200 Of Line 050 Madrid - Puerta De Atocha - Adif Limit - Figueras Perpignan S.A. Line. (Lfpsa). File: 2.25/27507.0228.