GST may manage Procurement Management, providing both technical and commercial bid evaluations for each type of equipment and material for the Customer’s approval and Issuing of Purchase Orders, and carrying out supplier Invoice Control activities, preparing the relevant Authorizations for Payment. With regard to the Construction Management, GST can assist in both the preparation of the requisite documents for the Tendering Procedures, and the supervision and coordination of Field activities, including the approval of the progress reports by the Subcontractors and auditing the relevant invoices.