DiRIF

Construction of all safety equipment (horizontal and vertical signalling, safety systems, etc.) for the operation of the covered and uncovered sections over the entire project.

Construction of all operating equipment (dynamic signalling and physical closure, normal and smoke extraction ventilation, recess and exit equipment, fire network, etc.) for the operation of the covered and uncovered sections over the entire project.

Realisation of electrical networks: high-voltage loop, distribution network, live parts, communication network, optical fibre, radio retransmission, etc.

Preventive maintenance on installed equipment until the end of the one-year total completion guarantee. This service will be scheduled during the nights when the slip road is closed (2 nights per month).
On-call service (24 hours a day, 7 days a week) to maintain the operated slip road without reaching minimum operating conditions (installation of a telephone on-call service in the event of emergencies, 24 hours a day, 7 days a week).