The works will include potable water and sanitation projects for the cities of Managua and Granada.
The water utility in Brazil's Minas Gerais state says the work will benefit over 10,000 people.
The new 40,000m2 facility will house plants for the firm's main business lines in Chile: industrial, pharmaceutical and veterinary.
The standard will be remain in place for an additional six months as of May 2.
A year after the project's original contract was voided, the finance ministry approved the model for a new PPP but there's still a long road ahead.
The works proposed by PRI candidate Mike Arriola would require over US$1bn.