A construction worker was fatally injured in an accident at a home off Putnam Park Road in Redding on Thursday night.  Police, Fire and EMS responded to Route 107 for a report of a heavy steel pipe falling on a worker.  The worker was found laying on the ground, unresponsive, and bleeding from the head.  The man was pronounced dead at the hospital.  The Occupational Safety and Health Administration was contacted and sent an investigator to the scene.  OHSA took over the investigation and the Redding Police Department will be assisting.