THE EMPLOYEE REPORTED STEPPING ON AN UNSECURED 2' BY 3' SECTION OF METAL GRATING AND FALLING APPROX TWO FEET TO THE GROUND BELOW. THE EMPLOYEE'S RIGHT LEG CONTACTED PROTRUSIONS OF THE SECURED GRATING THAT WAS ADJACENT TO THE UNSECURED SECTION RESULTING IN A LACERATION. MULTIPLE SUTURES REQUIRED. EMPLOYEE RETURNED TO WORK ON HIS NEXT SCHEDULED SHIFT.