Content Page: 47 Ventilation Installations And Rooms Having Hazardous Dusts And Vapours

(1) Every mechanical ventilation installation and air-conditioning installation in a building shall be so designed and constructed as to eliminate the possibility of fire or smoke being conveyed from one side of an occupancy-separation structure to the other side thereof. (2) No duct shall pass through a division-wall or a division-floor. (3) The ducting and…