The purpose of the contract is to carry out the work of purges (bare rock walls, filled protective devices) and the installation — maintenance — repair of protective devices against block falls.

It provides for the possibility of emergency response (within 2 hours in working hours).

The work will cover the entire national road network managed by the DIR Southwest:

— mainly on the departments of Ariège (09) and the Pyrenees Orientales, especially above Ax-les-Thermes and Prades,

— also on RN 125 and RN 88.

The purpose of the contract is to carry out the work of purges (bare rock walls, filled protective devices) and the installation — maintenance — repair of protective devices against block falls.