project plan shall include a programme for completing such inspections and tests in a coordinated manner and in accordance with the requirements of the Contract. 

The Contractor shall provide all labor, plant, materials and services required for testing and inspecting the works. 

The Contractor shall submit to the Engineer full details of inspections and tests to be carried out at least 21 days in advance. Attendance at and acceptance of tests and inspections of the works shall not prejudice the right of the Engineer to reject any part of the works if it subsequently fails to comply with the requirements of the Contract. 

The Contractor shall keep a record of all tests and inspections, irrespective of whether or not they show compliance with the Contract and shall issue this record to the Engineer on completion of each test and inspection. 

## 4.18.2 Off-Site Inspection and Testing 

All major items of plant and equipment (e.g. blowers, pumps, and generators as appropriate) shall satisfactorily pass a factory acceptance test (FAT) to design working conditions prior to dispatch. 

The Contractor shall complete routine and functional works tests to ensure the item is in compliance with the specifications. The Contractor shall give the Engineer the opportunity to attend and witness such tests by giving notice in due time. 

No material or item of plant and equipment shall be delivered to site without prior inspection, testing and certification, where applicable, unless the Engineer confirms, in writing, that such inspection, testing and/or certification is not required. 

## 4.19 Tests on Completion 

(Yellow Book, Clause 9) 

## 4.19.1 General 

The Contractor shall give the Engineer not less than twenty-one (21) days’ notice of his intention to commence the tests on completion. 

Commissioning and performance tests shall be carried out using trained, experienced staff. The Commissioning Engineer shall have a minimum of five years’ experience in the commissioning and performance testing of similar plants. 

All tests must be carried out in the presence of the Engineer, or such other person appointed for this purpose, unless the Engineer states otherwise in writing. Tests shall be carried out to the satisfaction of the Engineer. Certificates shall mention shortcomings to be corrected by the Contractor in a list of defects. 

Unless all units and piping system shall be cleaned, the Test on Completion shall not be commenced. 

The Contractor shall arrange at his own cost the supply and distribution of electricity, potable water, telephone, compressed air and other services as are necessary to the tests and shall provide, maintain and remove on completion all pipes, cables and fittings which carry such services to his operations. All electrical installations forming part of such temporary installations shall comply with current Turkish regulations. 

The Engineer may require additional tests to prove compliance with the Employer’s Requirements. All such tests shall be at the Contractor's expense. 

Without completion of any stage of Test on Completion, if the Works or Sections have been Taking-Over in line with sub-clause 10.3 of general conditions of contract, the Contractor shall 

