Negotiated with prior publication of a call for competition / competitive with negotiation, deadline 31/07/2025, for the planning of fibre optic connections for metro lines U5 and U8 in the existing BVG network in Berlin for connecting the CBTC (Communication-Based Train Control) infrastructure, as well as the planning and supervision of the necessary cable construction work. Click here for tender documents and submission of tenders. Estimated date of dispatch of the invitations to submit tenders: 11/08/2025. Contract duration from 17/11/2025 to 31/12/2031. Contact Berliner Verkehrsbetriebe, Berlino, tel +493025628962, email Einkauf.fg2@bvg.de. Visit https://ted.europa.eu/en/notice/-/detail/462803-2025. Ref. n. FG2-0389-2025. 30/25.