Jackson Memorial Hospital's new emergency department, expanded to 178,000 square feet by Skanska. Credit: Tom Harris Skanska has completed the first phase of a US$400m expansion and renovation of the emergency room at Jackson Memorial Hospital in Miami, according to the company. The new addition spans 178,000 square feet, which is three times the size of the original facility. The expanded ER includes 60 general exam rooms, four resuscitation rooms, six triage rooms and 12 fast-track rooms.