6 of 40 Construction of Giresun Wastewater Treatment Plant  Tender Dossier Volume 3 Employer’s Requirements  Section 04: General Requirements for the Execution and Completion of the Works  • The distribution of tasks among the sub-contractors and suppliers;  • The nature of documents to be submitted;  • The procedures for the identification of critical points and approval points of the  construction drawings; and  • The procedures for the check of the Contractor’s installation drawings and  documentation.  • The procedures for check of the Contractor’s ‘as-built’ record drawings and O&M  Manuals.  d.  Document control - traceability  The quality assurance plan shall indicate inter-alia:  • The rules for the identification of documents;  • The rules for the circulation of the different documents produced; and  • The methods for the management of documents (distribution, classification, archiving).  The Contractor shall maintain a Document Management System (DMS) ensuring that all  documents, drawings and revisions are logged, up-to-date, and traceable (list of  documents, indication of the revision in course, nature of validation, etc.) in order to  assuring their traceability.  The quality assurance plan shall indicate inter-alia:  • The procedures of repercussion of the quality requirements of the Engineer over the  suppliers and the subcontractors; and  • The precise procedure of the evaluation of subcontractors.  e.  Purchases • A complete list of suppliers and subcontractors identifying the scope of supply for each  respectively;  f.  Performance and test control  The quality assurance plan especially indicates:  • The list of documents and procedures written to define the modes of operation, the  resources and the sequence of different activities;  • The identification of all off-site / factory testing and witnessing requirements for plant  and equipment to be supplied, together with lead times and location for off-site / factory  testing.  • The procedures for the establishment of a list of critical and stopping points of the  performance, controls and tests;  • The procedures for the internal delivery of subcontracted tasks;  • The procedures for the control of products delivered;  • The procedures for the controls and tests in the course of the performance;  • The procedures for the final control, testing and commissioning before the acceptance or  partial acceptance of the Works by the Engineer; and  4_Vol3_d4.3_Section 4 General Requirements_en_GIR_rev6 