Open invitation to tender, deadline 16/08/2023, for the maintenance and renovation of doors, shutters, emergency exits, hydrants, fire pipes and grilles for engineering structures (tunnels, viaducts and bridges) of the Brussels Capital region. Duration of the contract will be 12 months. Click here for tender documents and here where tenders must be sent. Contact Direction Appui Administratif, Brussels, email tunnels@sprb.brussels. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=426268-2023 and http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=360956-2023. Ref.n. DAA-BMB/DPO-DPK/O23.031-F02_1. 29/23.