All operational procedures for the erection works of the KOBELCO CKE1800-1F will be supervised by plant supervisor. For other key personnel, reference shall be made to the working crew mentioned in Appendix G. Prior to the Erection operation, the plant supervisor shall conduct a pre-work task briefing to the working crew. The plant supervisor has to complete the Field Control Sheet and Work Face Risk Assessment (Appendix J) with the working crew.