Horizontal directional drilling under the Loire

1 October 2016 - Projects update and handover - France

ERDF has awarded HDI (Entrepose/VINCI Construction) and Sogea Nord-Ouest TP (VINCI Construction France), in a joint venture, the creation of a crossing beneath the Loire for two new HV power lines (20,000 volts each) between the communes of Saint-Pierre-des-Corps and Rochecorbon, to the east of Tours (central France).

After the preliminary works, the horizontal directional drilling operations were carried out over a distance of 700 m at a depth of more than 10 m below the bed of the Loire and 14 m below the dike in La Ville-aux-Dames, using two machines positioned on either side of the river. The electrical cables will be installed in late 2016.