Construction Works for Earthquake Reinforcement at UW Chippis

Swissgrid AG is seeking suppliers for construction works related to the earthquake reinforcement of the Creux de Chippis substation, a critical hub for national electricity supply in Switzerland. The current structure has been found to have inadequate earthquake safety. A construction engineer has developed a reinforcement plan and corresponding project. The project includes extensive measures in the underground, ground floor/GIS hall, cable channel area, and flat roof. The main tasks involved in this tender include: * Site setup including fencing and safety measures, access roads, protective facilities, and logistics arrangements * Earthquake reinforcement (new earthquake walls, local wall reinforcements) * Roof renovation (roof beam connections, reinforcement areas, renewal of waterproofing and flat roof construction including design, securing secondary components against falls) * Base renovation (repair of concrete foundations for high-voltage lines on the roof). Detailed specifications are provided in document C100.