This specification concerns the supply of two cameras, two lightings and two video control units for the inspection of the folded down grid.

Camera 1: The entire system, camera and lighting, fully deployed, must be able to enter the chimney (cylinder of 413.6 mm diameter), in order to be able to retrieve the equipment in the event of a fault. Video control unit with analog video output Cameras and lighting must be water-tight Distance between camera and object: 110 mm Adjustable lighting Camera 2: The entire system, camera and lighting, fully deployed, must be able to enter the chimney (cylinder of 413.6 mm diameter), in order to be able to retrieve the equipment in the event of a fault. Video control unit with analog video output Cameras and lighting must be water-tight Distance between camera and object: 93 mm Adjustable lighting