Instrumentos de evaluación

ELECTRICAL AND MECHANICAL SERVICES DEPARTMENT The Role of the Director of Electrical and Mechanical Services

110. The applicant shall submit relevant certificates to the Licensing Authority if electricity, town gas, liquefied petroleum gas (LPG), natural gas or any mixture of such gases are to be used in a restaurant.

111. These certificates shall be issued by electrical or gas contractors registered with the EMSD, to certify that the electrical or gas installation in the restaurant complies with relevant legislative requirements and codes of practice.

112. Paragraphs 113 to 120 hereunder list the requirements for each type of fuel. Any specific queries concerning the use of electricity, town gas, LPG, natural gas or any mixture of such gases can be directed to the EMSD. Itsaddress and telephone number are shown at Appendix A. Electricity

113. No restriction is imposed on the use of electricity as fuel for a food business. However, all fixed electrical installation works should be carried out by a registered electrical contractor12/worker. Either a copy or the original of the Work Completion Certificate (Form WR1) issued both as regards the electrical work (including new, alteration, addition or repairing work) on the fixed electrical installation of the restaurant and for the purposes of regulation 19 of the

Electricity (Wiring) Regulations, (Cap. 406E), or a copy of endorsed Periodic Test Certificate (Form WR2) issued both as regards the existing fixed electrical installation of the restaurant and for the purposes of regulation 20 of the Electricity (Wiring) Regulations (Cap. 406E), should be obtained and forwarded to the Licensing Authority.

Town Gas, LPG, Natural Gas or any mixture of such gases

114. All gas installation works on the premises must be carried out in accordance with the Gas Safety Ordinance (Cap. 51) by a registered gas contractor13. Such works include new installations, and modifications or servicing/repair of existing gas installations. The office of the Gas Authority, the Gas Standards Office of EMSD, is responsible for enforcing gas safety legislation and approving codes of practice for such works.

115. Town gas installations should comply with the Gas Safety Ordinance and relevant codes of practice issued by the Gas Authority, and operating procedures issued by the registered gas supply company (i.e. Hong Kong and China Gas Company Ltd.).

116. LPG installations, including portable gas appliances, should comply with the Gas Safety Ordinance and relevant codes of practice (including the Gas Utilisation Code of Practice 06 (GU 06) – LPG Installations for Catering Purposes in Commercial Premises) issued by the Gas Authority. In particular, the following should be noted :

(a) The use or storage of LPG cylinders exceeding 130 litres nominal water capacity requires

12

Registered electrical contractor list is available at the EMSD website, http://www.emsd.gov.hk/emsd/eng/pps/electricity_reg_ec.shtml 13

Registered gas contractor list is available at the EMSD website, http://www.emsd.gov.hk/emsd/eng/pps/gas_reg.shtml

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the written approval of the Gas Authority in accordance with the Gas Safety (Gas Supply) Regulations.

(b) LPG shall not be supplied to areas below ground level.

(c) LPG cylinders (other than for LPG dim-sum trolleys) should not be used unless a central LPG, or Towngas, piped supply is unavailable in the premises.

(d) LPG cylinders shall only be supplied from a distributor approved by registered gas supply companies14. Cylinders must be placed in a purpose-built storage chamber and connected to appliances by means of rigid metal pipework.

Domestic Gas Appliances and Gas Flexible Tubing

117. (a) Regulations require that all domestic gas appliances to be supplied and installed for use in Hong Kong shall be approved by the Gas Authority, EMSD. That includes all new gas appliances primarily designed, or intended to be used inside domestic premises, for example, cookers, water heaters, and portable cassette cookers fuelled by small disposable gas cylinders. Approved domestic gas appliances15 shall bear a mark, known as the GU Mark. For information of approved appliance models, please inspect the list at EMSD or browse EMSD web-page (http://www.emsd.gov.hk).

(b) All models of flexible gas tubing16 to be imported or manufactured for use in Hong Kong for low-pressure applications (supply pressure not exceeding 7.5kPa) shall have already been approved by the Gas Authority, EMSD, in accordance with the

Gas Safety (Miscellaneous) Regulations (Cap. 51F) and Code of Practice GU01.

Installation of Mechanical Exhaust System for Gas Appliances

118. (a) For those catering installation where natural ventilation is not sufficient or not available, mechanical ventilation shall be employed. An electrical interlock or air pressure switch system or equivalent shall be employed to ensure that the mechanical exhaust system is always in operation when gas appliances are in use in accordance with Regulation 24(4) of the Gas safety (Installation and Use) Regulations (Cap. 51C).

(b) An exhaust vent /duct shall be installed at a place away from the fresh air intake so as to prevent any air re-circulation.

(c) An exhaust vent/duct shall terminate in a well ventilated location so that the exhaust gas can be adequately dispersed without hindrance.

(d) The installation shall comply with the requirements in the Gas Utilization Code of Practice 12 (GU12) – Installation of Mechanical Exhaust System for Gas

Appliances (Rated Heat Input Up to 70kW). The code specifies requirements such as interlocks for gas appliances with exhaust physically connected to a mechanical

14

Register of LPG cylinder distributors is available at the EMSD website, http://www.emsd.gov.hk/emsd/eng/pps/gas_reg.shtml

15

List of approved domestic gas appliances is available at the EMSD website, http://www.emsd.gov.hk/emsd/eng/pps/gas_reg.shtml

16

List of approved flexible gas tubing is available at the EMSD website, http://www.emsd.gov.hk/emsd/eng/pps/gas_reg.shtml

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Work Certification Scheme

119. The following describes the procedures that an applicant for a restaurant licence has to follow under the Work Certification Scheme, when proposing gas installation and modification works on the premises under application :

(a) The applicant should select a registered gas contractor17.

(b) Prior to commencement of works, the applicant should obtain a Certificate of Compliance signed by the registered gas contractor and forward it to the Licensing Authority.

(c) Upon completion of all gas installation and modification works, to include commissioning of gas appliances, the applicant should obtain a signed Certificate of Completion from the registered gas contractor and forward it to the Licensing Authority. 120. The Licensing Authority will check that the relevant work certificates have been properly completed. There will be no inspections of work for the purpose of issuing a licence. The registered gas contractor will be responsible for ensuring that all works are completed in accordance with legislative requirements and relevant codes of practice. The Gas Standards Office will subsequently carry out quality control of completed works from time to time.

Maintenance of Gas Installations

121. The owners/operators of the restaurants should

(a) ensure that any gas appliance, gas pipework, flexible gas tubing, interlock of mechanical exhaust system and gas supply system, flue installed associated with gas appliances at any place of work under his/her control is maintained in a good condition and an effective working manner so as to prevent risk of injury to any person.

(b) arrange for a registered gas contractor to carry out regular safety inspection at an interval not longer than 12 months to ensure gas appliances and fittings are in order.

(c) arrange for registered gas contractor to replace the flexible gas tubing before the expiry of its service life.

(d) keep records of inspection and maintenance of the gas installation (including all gas appliances, gas tubing and kitchen ventilation/exhaust safety checks) for a period of not less than two years after the gas installation work concerned is carried out.

(e) make use of the services provided by approved LPG distributors only. Information of approved LPG distributors is available at EMSD web-page (http://www.emsd.gov.hk).

17

Registered gas contractor lists are available at the EMSD website, http://www.emsd.gov.hk/emsd/eng/pps/gas_reg.shtml

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Part VIII