Consultation notice, deadline 03/10/2025, for maintenance of the Piet Hein (1490 m), Spaarndammer (470 m) and Michiel de Ruijter (300 m) tunnels managed by the Municipality of Amsterdam. The comprehensive maintenance contract covers both tunnel technical installations and mechanical and civil engineering structures. For tender documents please
click here, where tenders must be sent. Contact Amsterdam Municipality, attn Jurrien Versluis, Amsterdam, tel +31 202553000, email
info@tenderned.nl. Visit
https://ted.europa.eu/en/notice/-/detail/455184-2025. 31/25.
