6 of 9 Construction of Giresun Wastewater Treatment Plant VOLUME 4 – Schedules of Payments All documents (despite cover page of the Interim Payment Certificate) prepared by the Contractor and/or  Engineer shall include signatures and stamps of the technical staff (civil, mechanical, electrical etc.) that  prepared and/or controlled the works. The Engineer shall make deductions between 15% and 25% considering the importance for the items  including uncompleted tests and/or non-obedience to other issues mentioned in the Employer’s  Requirements. In addition to the above deductions, the Engineer shall make deductions between 3% and  7%, for missing photographs of the relevant item defined in Volume 2 Particular Conditions Sub-Clause  4.21.(b) or Volume 3 Section 4 .  The Engineer, Contractor and End Recipient shall keep the printed annexes. Engineer shall only submit  five copies of printed Interim Payment Certificate and two copies of annexes in CD/DVDs to the  Employer. The reasons of any deduction and any increase in quantities of items that do not need Variation  Order shall be explained in the cover letter of the Engineer including objections/claims of the Contractor if  any.  The Final Statement shall include the annexes requested by Employer or Engineer electronically in  CD/DVDs as per the following order in separate folders but not limited to:  The Engineer, Contractor and End Recipient shall keep the printed annexes. Contractor shall only submit  five copies of printed Final Payment Certificate and two copies of annexes in CD/DVDs to the Employer.  The Engineer shall use the currency converter at  http://ec.europa.eu/budget/contracts_grants/info_contracts/inforeuro/index_en.cfm for the month of the  variation order prepared. Engineer shall deduct the 25% profit that are included in unit prices of Turkish  Institutions (DSİ, İlbank etc.) before adding the provisional sum in the Appendix to Tender onto actual  costs.  The Tenderer shall enter committed consumables costs for a 1 (one) year period as set out in the Schedule.  The costs shall be calculated based on average flows and loads for Stage 1 – 2032 as given in Volume 3,  Section 2 and the conditions specified in Volume 3 Section 3.5. Moreover, the tenderer shall enter  committed unit rates for OPEX in the corresponding Schedule. Unit rates shall be entered for %25, %50,  75% and 100% flow and/or load cases. The 100% flow and/or load case unit rates shall be used for the  committed annual OPEX figures to be written in the related Schedule. In addition, these unit rates shall be  used to assess the OPEX cost during Defects Notification Period and apply the non-performance damages  as explained in Volume 3 Section 3.5.  The Tenderer shall enter estimated annual chemical and electrical power consumables costs for a 1 (one)  year period as set out in Schedule No. 11.  4.1.5 Commintments onAnnual Operating Costs   Report of the Engineer for Delay Damages as per Sub-Clause 8.7   Duly signed As-Built Documents prepared as per Sub-Clause 8.8   Records and documents of trainings given to the End Recipient required in the Contract   Copy of the Taking-Over Certificate and annexes including defects list if any   Register of variation orders and copies of variation orders  Page 6 of 9  August 2020 d4w_finoffer_4.2_en.doc