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AURORA, Colo. — The Denver and Aurora fire departments rescued a worker who fell several stories at the Gaylord hotel project on Wednesday.

The Denver Fire Department initially described it as a “confined space rescue.”

Authorities said the worker fell multiple stories inside the ductwork of the hotel. Rescuers had to break through the sheet rock and cut into the duct to get to the injured person.

They were rescued and taken to a hospital, the Aurora Fire Department said. Denver Fire told FOX31 the injured person is not in critical condition.

The scene remains under investigation.

The Gaylord Rockies Resort and Convention Center is one of the largest construction projects in Colorado. It is located just southwest of Denver International Airport.

The hotel is scheduled to open in December, according to its  website. It will feature more than 1,500 guest rooms and 485,000 square feet of meeting and convention space.