PORR consortium to design-build BBT Pfons-Brenner section, Austria April 13, 2018 | Europe News A consortium comprising PORR and its subsidiary Hinteregger has secured the EUR966-million contract to construct an 18-km Pfons-Brenner section of the Brenner Base Tunnel (BBT) in Austria in collabora... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password