📋 Tender Overview
The Bridges and Roads Administration informs that the first maintenance and cleaning campaign for motorway tunnels for the year 2026 will begin from Monday March 16, 2026. This maintenance includes the preventive and curative maintenance of safety equipment (listed below), the control of the operation and interaction of the different equipment as well as the cleaning of the tunnel walls. In order to reduce the impact on traffic and while taking into account coordination with other construction sites, tunnel maintenance and cleaning interventions are mainly carried out at night. The first maintenance and cleaning campaign will take place from mid-March to the end of May, while the second will take place between the beginning of September and the beginning of November. The planned dates of interventions for the different tunnels can be consulted on the CITA website www.cita.lu. List of tunnels and game passages concerned Tunnels Grouft, Rengelbour, Stafelter, Gousselerbierg, Mersch, Roost, Colmar-Berg, Schieren, Howald, Cents, Richard Serra, Kirchberg, Saint-Esprit, Penetrante-Sud, Merl, Petange-Eglise, Biff, Secondary access to Esch-Belval, Micheville, Aessen, Ehlerange, Foetz, Frisange, Mondorf and Markusberg. Equipment concerned by maintenance (non-exhaustive list): Ventilation, Fire detection, CO/opacity probes, Foam extinguisher, SOS niches, Anemometers, Tunnel lighting, marking, guidance, galleries, emergency Sound system, Radio retransmission, Emergency call terminals, Video surveillance, Automatic incident or smoke detection, Metering, IT, telephone, networks, Dynamic, vertical and vertical signaling horizontal, Fire hydrants, Roadways, Civil engineering, Transformers and generators, Hydrophore groups, Pumps, Gallery boosters, Retention basins, oil separators, sludge collectors.
