Open invitation to tender, deadline 28/06/2021, for the pre-design works for the First Stage of the metro Line 3 in Warsaw, involving an 8 km section with 6 stations (Dworzec Wschodni, Mińska, Rondo Wiatraczna, Ostrobramska, Jana Nowaka-Jeziorański and Gocław) and the Kozia Gorka Technical and Parking Station (STP). For bid documents, please click here, where tenders must be sent. Contact Metro Warszawskie, Warsaw, tel +48226554677, email zam-eh@metro.waw.pl. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=264436-2021. Ref.n. WP.25.00087.2021.K.I.PALA. 21/21.