Providing and Fixing aluminium lineal ceiling using 84mm x 16mm deep, aluminium alloy AA 3105 with powder coated finished panel ceiling, type 84 R Exterior grade manufactured by Hunter Douglas/Interach Building Products Ltd. Or approved equivalent in approved colour and enameled aluminium panel carries of satin black colour, panel carriers suspension system, including cutouts and additional framing around light fixtures, grills, diffusers, access panels, etc. all as per specifications and as directed complete. The carrier spacing shall not exceed 1 metre centre to centre and these will be suspended at every 800mm centre to centre.