Services Contract For The Technical Assistance Of Health And Health Coordination Of The Works Of The Construction Project Of Stabilization Of Slopes On The N-230B Of The Pk 20+000 To 22+500, T-333 Of The Pk 26+500 To 29+500 And T-330 Of The Pk 17+500 To 22+500. Xerta - Horta De Sant Joan. Key: Pc-Cge-21010