(1)The general illumination over those interior parts of a factory where persons are regularly employed shall be not less than [1.80 metre] [Substituted by Notification No. 4(A) 3-81-LAB-XVI, dated 28-5-1981.] candles measured in the horizontal plane at a level of [1.80 metre] [Substituted by Notification No. 4(A) 3-81-LAB-XVI, dated 28-5-1981.] above the floor :Provided that in any such parts in which the mounting height of the light source for general illumination necessarily exceeds 25 feet measured from the floor of where the structure of the room or the position or construction of the fixed machinery or plant prevents the uniform attainment of this standard, the general illumination at the said level shall be not less than [0.60 metre] [Substituted by Notification No. 4(A) 3-81-LAB-XVI, dated 28-5-1981.] candle, and where work is actually being done, the illumination shall be not less than 3-foot candles.(2)The illumination over all other interior parts of the factory over which persons employed pass shall, when and where a person is passing be not less than 0.5 foot candles at floor level.(3)The standard specified in this rule shall be without prejudice to the provision of any additional illumination required to render the lighting sufficient and suitable for the nature of the work.
