Plans for upgrades and new infrastructure were presented to members of a shipping agents association and local investors.
After the concessionaire said it would sell an 85% stake and two investment funds signaled interest, Moody's put the global and the local ratings under review.
Former president Cristina Fernández de Kirchner tried to delay the trial on accusations of funneling public works contracts to a Santa Cruz businessman.
The government will invest over US$20mn to rebuild health centers, houses, government buildings and irrigation canals.
President Sebastián Piñera said that the government has earmarked over US$91mn to rebuild damaged infrastructure in three regions.
The government estimates that the country will need US$110bn in infrastructure investments in the coming years and is proposing new ways to finance them.