The company has already submitted an environmental impact study for the project to the country's environmental evaluation service.
The current administration's goal is to improve the infrastructure of 33,000 schools before the end of its term in December next year.
A group of independent experts presented their findings about an incident that led to the deaths of two people.
The winner of the contract will be announced on August 23, and work is due to begin in September.
The investment program entails 19 projects that will be executed over a six-year period.
The initiatives include works that range from road repairs to sanitation improvements and post-conflict programs.
The company cites an increase in demand linked to growth in the country's construction sector.