SQN provided quality assurance services for O’Hare International Airport runway rehabilitation improvements, including Runway 4R 22L. The project included a 3-inch mill and overlay of the runway and adjacent shoulders, new pavement markings, rehabilitation of in-pavement light fixtures, installation of new ductbank, erosion control, and landscaping improvements. SQN was responsible for quality oversight, including inspection, testing verification, and documentation to ensure compliance with contract requirements.
Sine Qua Non | Absolutely Essential