Public Call Notice for the receipt of projects, surveys, investigations and technical studies to support the construction of a 1.7 km underwater tunnel between the Municipalities of Santos and Guaruja. The interested parties have to send authorization requests by email to chamamento.tunel@brssz.com, in the subject line write ‘Chamamento Publico para doações de estudos – Tunel Santos-Guaruj’. Authorizations issued by Santos Port Authority (SPA) will be published on the Porto de Santos website (www.portodesantos.com.br) 15 days after receipt of applications. Once authorized, participants will have 120 days to present their concepts to the Port Authority. Contact Autoridade Portuaria de Santos SA, Santos, tel (13) 3202-6565, email chamamento.tunel@brssz.com. For further on tender, please click here and here. 15/21.