URBANA — Construction is about to get under way on Carle Foundation Hospital's $220 million campus expansion.

A groundbreaking ceremony will be held at 1 p.m. Wednesday on Park Street west of the hospital.

The new building, to be located next to the north tower on the central Urbana hospital campus, is expected to be completed in 2013, said Carle spokeswoman Jennifer Hendricks.

Plans call for a new nine-story, 390,000-square-foot tower that will include the Carle Heart and Vascular Institute, all Carle's vascular procedure labs and 136 private rooms for medical-surgical and intensive-care patients.

Those new rooms will replace 136 rooms in an older section of the hospital that date back to the 1960s and 1970s.

The new tower will be the largest and most advanced Carle facility, Carle officials said, adding that it will bring more space for updated technology, improved facilities for patient care, diagnosis and treatment and a more modern, comfortable environment.

The project will be financed with a mix of bonds, private donations and cash, and have a $100 million projected impact on the local economy.

That includes construction jobs over the next two years for 100 to 150 workers, with peak construction staffing projected to be 250 workers.