Bidding Announcement Of: Presidency Of The Segura Hydrographic Confederation. Object: Conditioning Project And Improvements Of The Derivation Shots Of The Postrasvase Channels And Their Measurement Elements; And New Sensorization Of The Points Of Taking And Poured To The Cartagena Campo Canal Among The P.K. 24+000 To P.K. 64+000. (Murcia, Alicante And Almería). File: 90.0025.24.006.