Switzerland – Construction work – N21.12 MP-190074 - NEB Les Toules court terme - Assainissement et renforcement de 4 ponts/demi-ponts (ID 12132)

The present contract comprises the repair and reinforcement of four bridges/viaducts on the national road N21 in Bourg-Saint-Pierre (more precisely in the area of the Galerie des Toules between km 34.240 and km 39.490): • G3441 – Pont Valsorey 3: Length 200 m, approx. km 34.4 to 34.6; • G3631 – Demi-Pont des Toules 1 (70–72): Length 62 m, approx. km 36.3 to 36.4; • G3661 – Demi-Pont des Toules 2 (76e–77c): Length 35 m, approx. km 36.5; • G3791 – Pont Ballerônes: Length 45 m, approx. km 37.8. The construction work is scheduled for the year 2027. Traffic on the N21 (third-class national road with two-way traffic) will be maintained throughout the construction period. These works are part of the overarching project MP-190074 N21.12-001 NEB Les Toules short-term measures (UeMa), the aim of which is to restore the required level of use and safety of the structures until the long-term measures are defined. The remaining transitional measures, which are not the subject of the present call for tenders, will be implemented in the period 2028 to 2029. Additionally, measures to protect against rockfall will be carried out or are planned until approximately 2030, which are not the subject of the present call for tenders.