Open invitation to tender, deadline 27/11/2024, for the maintenance of safety systems and tunnel operation devices in Naprawa under Lubon Mały along the national road S7 Naprawa - Skomielna Biała, together with the associated infrastructure and service of the Tunnel Management Center Click here for bid/tender documents and where tenders must be sent. Duration of contract will be 36 months. Contact Generalna Dyrekcja Drog Krajowych i Autostrad, Krakow, tel +48124172500 48124172179, fax +48124110118, email sekretariat_krakow@gddkia.gov.pl. Visit https://ted.europa.eu/en/notice/-/detail/681444-2024, https://ted.europa.eu/en/notice/-/detail/657488-2024, https://ted.europa.eu/en/notice/-/detail/607370-2024 and https://ted.europa.eu/en/notice/-/detail/550887-2024. Ref.n. O.KR.D-3.2421.23.2024. 45/24.