WHEN CLIMBING STATIONARY LADDER AT C15 CONVEYOR BELT, EMPLOYEE STRUCK HEAD ON 2"" OVERHEAD PIPING WHEN HE WENT TO CLIMB ONTO LADDER PLATFORM. HE SAW A PHYSICIAN ON 2/26/02 & WAS DIAGNOSED WITH STRAIN & MUSCLE SPASM OF CERVICAL/THORACIC SPINE & WAS PLACED ON LIGHT DUTY.