International tender, deadline 28/07/2025, for the construction, operation, conservation, maintenance, and execution of the necessary investments for the operation of the Santos-Guaruja submerged tunnel interconnection System. The excavated tunnel between cities of Santos and Guaruja, on the coast of São Paulo, will be 2,900 m long with 1,700 m under the channel of the port of Santos. Interested parties may submit requests for clarification until 09/07/2025, email tunelimerso@sp.gov.br. Click here for bid documents. Value of contract EUR841.72 million (BRL5.78 bn). Contact Secretariat of Investment Partnerships, State of São Paulo, email tunelimerso@sp.gov.br. Visit https://www.parceriaseminvestimentos.sp.gov.br/projeto-qualificado/tunel-submerso-santos-guaruja/. Ref.n. 01/2025.16/25.