Licensees of general restaurant, light refreshment restaurant, marine restaurant and factory canteen licences is strongly recommenced to provide the following information in respect of their licensed food premises and upload the required certificate issued by a registered specialist contractor (sub-register of ventilation works category) listing the required information by 31 December 2020. List of licensed catering premises meeting the suggested air change per hour of at least 6 and/or those installed with air purification device complying with the prescribed specification will be published on FEHD website for public reference.

Fields marked with an asterisk * are required.
*Food Business Licence No.:
*Licence Serial No.:
(printed on the upper right hand corner of the licence)
*Captcha:
Please enter the Captcha as shown below


Refresh
For your reference, according to the Food and Environmental Hygiene Department's record, the total areas of seating accommodation(s) in respect of the above licensed food premises during the issue of the licence is m2.
*Please tick at least one item

I certify that the Minimum Air Change per Hour (Fresh Air) (ACH) of the Seating Accommodation(s) of the Licensed Premises above is not less than 6. The ACH is #:
and / or
I certify that the above premises have been installed with suitable amount of devices providing Ultraviolet-C (UV-C) or UV-C combined High-efficiency particulate arrestance (HEPA) air purification technology% to kill or inactivate microorganisms

Submit Certificate:

  I submit herewith in pdf format (size not exceeding 5MB) a certificate issued by a registered specialist contractor (sub-register of ventilation works category)* with their name, registration number and his/her signature showing the
  (i) area(s) of all seating accommodation(s)@;
  (ii) ceiling height from floor of seating accommodation(s) (taking maximum as 3 meters);
  (iii) capacity(ies) of outside fresh air supplied to seating accommodation(s) by the ventilation system;
  (iv) calculated air change(s) per hour (fresh air) of all seating accommodation(s)^ of the licensed premises above;
    and/or
  (v) installation of the suitable amount of devices providing Ultraviolet-C (UV-C) or UV-C combined High-efficiency particulate arrestance (HEPA) purification technology complying with the prescribed specification to kill or inactivate microorganisms.
 
Download Certificate Template Submit Certificate

Licensee Signature:




Air Change Calculator
(For reference purpose, you may estimate the air change of seating accommodation in your licensed premises by entering the information required below)
Area of seating accommodation the
ventilating system served@ (m2)
Ceiling height from floor of
the seating accommodation (m)
(taking maximum as 3 m)
Capacity of fresh air supplied to
seating a ccommodation (unit)
Air Change per
Hour (ACH)
Air Change Calculator
(For reference purpose, you may estimate the air change of seating accommodation in your licensed premises by entering the information required below)
Area of seating accommodation the ventilating system served@ (m2)
Ceiling height from floor of the seating accommodation (m)
(taking maximum as 3 m)
Capacity of fresh air supplied to seating a ccommodation (unit)
Air Change per Hour (ACH)

* Information of the registered contractor can be found at
https://www.bd.gov.hk/en/resources/online-tools/registers-search/registrationsearch.html
# Please enter the air change per hour (fresh air) of the seating accommodation(s) of the licensed premises. In case there are more than one seating accommodation in the licensed premises with fresh air supplied from different sets of ventilation systems, only the minimum air change (fresh air) should be inputted.
@ Area of seating accommodation should normally be counted by deduction of all food rooms, store-rooms, offices, lavatories etc. from the floor area of the premises but including adjoining passages of seating accommodation. However, for calculation ACH purpose, seating accommodation using natural ventilation, such as outside seating accommodation, should not be included.
^ In general, air change per hour (fresh air) of the seating accommodation of a premises can be calculated as below:

Air Change per Hour (Fresh Air) = A ÷ (B × C)

A  :  Capacity of outside fresh air supplied to seating accommodation by the ventilation system (m3/hr)
B  :  Area of seating accommodation the ventilating system served (m2)
C  :  Ceiling Height from floor of the seating accommodation (m)
% Ultraviolet-C (UV-C) should have a wavelength of 253.7 nanometers of UV-C spectrum. UV-C or UV-C devices combined with high-efficiency particulate arrestance (HEPA) should be suitable for operation under supply voltage of 220V/50Hz and shall comply with Consumer Goods Safety Ordinance, Cap. 456, the Electrical Products (Safety) Regulation (the "Regulation"), under the Electricity Ordinance, Cap. 406, Laws of Hong Kong. Design of the UV lamps shall comply with relevant safety standards, such as those listed by Underwriters Laboratories (UL) and tested to meet UL Standard 153:2014 - Standard for Portable Electric Luminaires, UL Standard 1598:2018 - Luminaires and UL Standard 1995:2015 - Heating and Cooling Equipment, or other equivalent international/national standards. To prevent eye and skin injuries, sources of UV-C should be shielded or encased inside the disinfection device. The sources of UV-C must be conspicuously labelled with a warning attached to the housing of the sources. The warning sign should state: -

WARNING
DO NOT EXPOSE EYES AND SKIN TO ULTRA-VIOLET LIGHT
RAYS ARE HARMFUL TO UNPROTECTED EYES AND SKIN
警告
切勿讓眼睛及皮膚暴露於紫外光之下, 可引致損害

The minimum efficiency of high-efficiency particulate arrestance (HEPA) shall have minimum efficiency of 99.97% in removing small particles of sizes larger than 0.3 micrometre from air and comply with the European Standard BS EN1822-1:2009 to BS EN 1822-5:2009 (EPA, HEPA and ULPA) or other equivalent international/national standards.