An Illinois construction worker working on the roof of a Naperville hospital was injured on the job in an accident on Feb. 20. The man was working on a fourth story roof of the building in the morning hours when construction material landed on him.A firefighter on the scene of the accident said that the man fell when the material hit him, but he did not fall all the way to the ground floor. An emergency rescue crew had to use a construction ladder as well as a Stokes basket attached to a construction crane in order to rescue him and lower him to safety. Altogether, sources state that the rescue effort took about 30 or 40 minutes to complete and required the efforts of a specialized rescue team. The man was transported to a local hospital to receive treatment for his work-related injuries.