Expert advisor to the Employer (Entidad Binacional Túnel Agua Negra EBITAN) for the drafting of the Tender Documents for a 13 km long twin tube road tunnel across the Andes, including a ventilation shaft and adit. Portals at 3'600 and 4'000 m.s.l. respectively, overburden >1’500m. Application of the concepts of the FIDIC-ITA ”Emerald Book” to a Yellow/Red Book hybrid contract.
