The services to be performed by the Contractor in connection with the start-up and initial operation of each Generating Unit shall include, without limitation, the start-up of components, calibration of controls and equipment, initial operation of the Generating Unit, function and verification tests, and all other start-up and initial operation functions relating to that Generating Unit. At all times during the performance of such services, the Contractor shall endeavor to minimize the use consumable, utilities, waste disposal services and chemicals.