The 2020 incident occurred at a jobsite in Mars, Pa., where an employee fell to their death and three others were injured after falling from a roof and scaffold.
According to OSHA, the fatality could have been prevented if the Texas-based contractor heeded a citation issued a month prior to the incident for failing to provide a personal fall arrest system.
OSHA is proposing the fines after six inspections of five work sites revealed the contractor did not provide fall protection to employees working on roofs.