Allegheny County Airport Authority chose an Orlando, Fla.-based firm to work on its five-year terminal modernization project.

R.W. Block Consulting was approved for a contract in place through July 2023 for the $1.1 billion project, according to Trib Total Media.

In September, the authority unveiled its plan to update the 25-year-old airport that includes 51 gates, a new international arrives process, technology and baggage delivery updates and more.

Construction is planned to start in 2019.