The outbreak of the new crown pneumonia has been repeated. Following the spread of restaurant groups, and in order to prevent other restaurants from exploding due to insufficient ventilation, the government gazetted in the early hours of Wednesday morning that food and beverage premises that provide dine-in must comply with the regulations on or before April 30 New regulations for air change or air cleaner equipment. Increase the air exchange rate to at least 6 times per hour, or install qualified air purification equipment to reduce the risk of transmission.
Violators may be fined to stop eating in the evening market and tighten to 2 people per table for a period of 14 days.
At present, most restaurants have about 3 to 4 air changes per hour
The more convenient way is to install air purification equipment equipped with “High Efficiency Particulate Air Filtration Technology HEPA”.
If you fail to achieve 6 air changes, according to government requirements, one of the following conditions must be met:
1. Install an air purifier, equipped with high-efficiency particulate air filtration technology (HEPA): PM0.3 particle removal rate 99.97% (PURE HEPA)
The minimum efficiency of HEPA for filtering particles larger than 0.3 microns from the air should be 99.97% and should comply with European standards BS EN1822-1:2009 to BS EN 1822-5:2009 (EPA, HEPA and ULPA) or other equivalent international standards. /National standard.
The number of air purification equipment required for the seating area of the catering premises shall be configured in accordance with the seating layout and spacing of the seating area, and comply with the installation guidelines of the relevant manufacturer and the design coverage of the air purification equipment. At the same time, the air purification equipment should be reasonably and evenly distributed in each seating area and individual compartments. Air purification equipment should be regularly maintained in accordance with the manufacturer’s instructions.
HEPA should be replaced regularly in accordance with the manufacturer’s recommendations, otherwise the HEPA filter should generally be replaced at least once every 3 to 6 months to maintain filtration efficiency.
2. UV-C disinfection lamp (i.e. UV lamp)