4_Vol3_d4.3_Section 4 General Requirements_en_GIR_rev6  20 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  4.14  As-built Documents  4.13 Training of Beneficiary's Personnel  (Yellow Book, Sub-Clause 5.5)  This subject is described in this Volume 3, under the Section 11 Training, Operation and  Maintenance. (Yellow Book, Sub-Clause 5.6)  The Contractor shall prepare and submit to the Engineer for approval prior to commencement of  the Test on Completion, duly amended, 4 hardcopy and 4 softcopies (in dwg. format) of the as- built documents. These accurate record drawings shall be fully dimensioned to show the locations,  elevations, dimensions and other pertinent details of the work executed under this Contract.  Within 21 days of receipt of the above drawings, the Engineer shall return to the Contractor 2  copies of the drawings showing the amendments required by the Engineer. Within 21 days of receipt of the amended drawings, the Contractor shall submit 4 hard copies and  soft copies in their original format of the final approved As-Built Documents for the Engineer,  EUD, End Recipient and the Contracting Authority. (Yellow Book, Sub-Clause 5.7)  The Contractor shall not later than fourteen (14) days before commencement of the test on  completion submit draft copies of the operation and maintenance manuals to the Engineer as  indicated below:  4.15  O&M (Operation and Maintenance) Manuals  1. Submission to  2. Number of copies and language  3. PIU  4. 1 copy in English, 2 copy in Turkish  5. Contracting Authority (CA) 6. 1 copy in English  7. EUD  8. None  9. Engineer  10. 1 copy in English  The manuals shall be bound into suitable durable loose-leaf binders of A4 size. Copies of these  manuals shall be used during the training courses for operation and maintenance. For all installations, the manuals shall include:  Description of process and treatment principle   Description of plant and equipment installed  Operation and maintenance instructions of each unit and installations   Flow and control diagram shown place and function of all system components, instruments  (valf, sensor, etc.) 