(1) Except as provided in Sentence (2), glass shall be designed in conformance with Article 4.3.6.1.
(2) Where the building has an essentially uniform distribution of paths for air leakage, including operable openings, but no large openings that would permit wind gusts to rapidly enter the building and the building is not in an exceptionally exposed location such as a hilltop, the maximum area of individual panes of glass for windows is permitted to conform to,
(a) Tables 9.6.1.3.A. to 9.6.1.3.C., where the building has a height from grade to the uppermost roof of 12 m or less and is located in a built-up area, no less than 120 m away from the boundary between this area and open terrain, or
(b) Tables 9.6.1.3.D. to 9.6.1.3.F.
(3) The maximum area of individual panes of glass for doors shall conform to Table 9.6.1.3.G.