The US$67.5mn loan will finance the first stage of expansion works for a port in Brazil's Bahia state.
Temperatures at the start of summer are above normal.
Brazil's government released around US$21mn for sanitation works, including floodgates and drainage channels.
Small - but vital - airports across Brazil could see diminished investments as investors focus on big and more profitable ones.
The country's procurement system will now be run by the cabinet chief instead of the public works minister.
State audit court TCE is seeking the reimbursement of 2.7bn reais (US$692mn) due to alleged irregularities in works linked to line No. 4 of the subway system.
The time taken to obtain environmental licenses is one of the main complaints of investors and businesses involved in infrastructure projects in Brazil.