This is the standard offshore medical fitness assessment which is required for all offshore workers and is valid for up to 2 years. Appointment at ZOHL clinic is booked for 45 minutes. You will need to present valid form of photo identity as Driver’s license or Passport. Assessment includes health questionnaire, relevant physical examination, Vision check, audiology, spirometry and urine check. Your certification can be verified through your unique certificate number which you can forward to your employer or contracting agency.