4_Vol3_d4.3_Section 4 General Requirements_en_GIR_rev6  40 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  test values with the required maximum or minimum values shall be summarised in a table extended  according to EN 12255-15.  Failure to pass the verification of mechanical equipment performance  1. For exceeding the required maximum pressure loss over the diffuser grids: 2. Too low SSOTE: If the test results reveal that the pressure loss over the complete diffuser-arrangement or individual  sections (incl. potential build-in check valve) exceeds the required maximum values at maximum  duty conditions, the Contractor shall preferably redesign the diffuser system, replace the diffusers,  or increase the number of diffusers or on any other way remedy the defect. If the test results reveal that the required minimum SSOTE over the complete diffuser-arrangement  or individual sections is less than the required values, the Contractor shall preferably redesign the  diffuser system, replace the diffusers, or increase the number of diffusers or on any other way  remedy the defect. 