(2)The requirements of sub-rule (1) apply to residential business and mercantile buildings. For educational and industrial buildings the following minimum requirements apply:-(a)Educational building. - Ceiling height 3.6 metres for all regions; in cold region 3 metres.(b)Industrial building. - Ceiling height 3.6 metres except when air-conditioned 3 metre (Factory Act, 1948 and rules thereunder shall govern such height where applicable).
