EMPLOYEE WAS NOT WORKING HIS NORMAL JOB. THE PLANT WAS IN A PLANNED SHUTDOWN WHICH REQUIRES THE ROAD TRUCK DRIVERS TO TRANSFER TO THE PLANT. EE WAS WORKING ON DRAG CHAIN AND LIFTED LARGE SADDLE. EMPLOYEE COMPLAINED OF DISCOMFORT IN NAVEL AREA. DR. DETERMINED IT TO BE A IMBILLICAL HERNIA & FURTHER TREATMENT WAS NOT REQUIRED.