Civil works needed for comfort on the Noria. This lot 4 corresponds to a works contract concerning the protection of an underground tunnel partially submerged on stage 2 and whose works of reinforcement of this gallery will be concomitant with those of the 3 lots notified in 2018, concerning the development of the RD 6086 .

Development works of RD 6086 south - avenue General de Gaulle - work of comfort on the Noria.