What is a designated smoking room (DSR)?
A Designated Smoking Room (DSR) is a room where smoking is permitted. The DSR must be: • completely enclosed on all sides and not required by any person for a thoroughfare. • equipped with a separate ventilation system that maintains a minimum ventilation rate of 30 litres per second per person, based on maximum occupancy load, that is ventilated directly to the outside air and exhausted at a rate of at least 110% of supply, with any exhaust no less than 3 metres from any air intake or building opening. • no greater than 50% of the occupiable public space within the building. • approved by an inspector appointed by the Medical Officer of Health.
