Denver International Airport – Denver, CO As part of a two-phase $770 million capital improvement, The Great Hall Project at Denver International Airport (DEN) includes an upgrade to the 25-year-old terminal to accommodate greater numbers of passengers that are now surpassing the original capacity. CORE Safety Group served under the General Contractor providing full-time safety staffing support on multiple shifts, ensuring compliance with both OSHA and FAA regulations as well as public safety concerns during construction. View All Projects