GAS INSTALLSATION WORK AND REGISTERED GAS CONTRACTORS

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Gas Installation Work and Registered Gas Contractors

Under the Gas Safety (Registration of Gas Installers and Gas Contractors) Regulations, only registered gas installers (registered to the appropriate class) employed by registered gas contractors can personally carry out gas installation work. “ Gas Installation Work” includes the fabrication, connection, disconnection, testing, commissioning, decommissioning, maintenance, repair, or replacement of gas pipework, appliances and fitting. For example :

  • Installation of gas appliances (e.g. hotplates and water heaters);

  • Replacement of flexible gas tubing;

  • Repair of gas appliances.

The registered gas installers should carry a registration card when performing gas installation work, for presentation to the clients they work for as a registration document, when requested.

registration document

Responsibilities, Qualification and Experience of Registered Gas Installers Under Cap.51

 
Category
Registered Gas Installers (with different classes)		 Class of Registered Gas Installers
*Note 1		 Qualification
*Note 2		 Experience/Knowledge
*Note 2
Class 1 Installation, commissioning and routine maintenance of a domestic gas appliance which is a hotplate supplied by not more than one cylinder. VTC Gas Utilisation Module 1 3 months relevant practical experience
Class 2 Installation of
  1. a service pipe, and any gas flow control, primary meter or primary meter installation used in connection with such pipe, in domestic premises; and
  2. an installation pipe in domestic premises.
 VTC Gas Utilisation Module 2 6 months relevant practical experience
Class 3 Installation and commissioning of
  1. a service pipe, and any gas flow control, primary meter or primary meter installation used in connection with such pipe, in domestic premises;
  2. an installation pipe in domestic premises; and
  3. a domestic gas appliance.
 VTC Gas Utilisation Modules 2 and 3 18 months relevant practical experience
Class 4 Installation of domestic gas appliances to existing, adjacent gas supply points and commissioning and servicing of domestic gas appliances. VTC Gas Utilisation Module 4 24 months relevant practical experience
Class 5 Installation of
  1. a service pipe, and any gas flow control, primary meter or primary meter installation used in connection with such pipe, in non-domestic premises; and
  2. an installation pipe in non-domestic premises.
 VTC Gas Utilisation Modules 2 and 5 6 months relevant practical experience
Class 6 Installation and commissioning of
  1. a service pipe, and any gas flow control, primary meter or primary meter installation used in connection with such pipe, in non-domestic premises; and
  2. an installation pipe in non-domestic premises; and
  3. a non-domestic gas appliance.
 VTC Gas Utilisation Modules 2, 5 and 6 18 months relevant practical experience
Class 7 Installation of non-domestic gas appliances to existing, adjacent gas supply points and commissioning and servicing of non-domestic gas appliances. VTC Gas Utilisation Modules 4 and 7, or VTC Gas Utilisation Modules 2, 5, 6 and 7 24 months relevant practical experience
Class 8 Installation, commissioning and servicing of a gas appliance which forms part of an industrial process. VTC Gas Utilisation Modules 2, 5, 6 and 8, or VTC Gas Utilisation Modules 4, 7 and 8 24 months relevant practical experience

Note 1 : It refers to Regulation 2 of Gas Safety (Registration of Gas Installers and Gas Contractors) Regulations and Schedule 1 Part2, Cap.51.

Note 2 : It refers to Regulation 4(b) of Gas Safety (Registration of Gas Installers and Gas Contractors) Regulations and Schedule 2 Parts 1 and 2, Cap.51.
 
Definition of Classes of Gas Installation Work
Class 1 Installation, commissioning and routine maintenance of a domestic gas appliance which is a hotplate supplied by not more than one cylinder.
Class 2 Installation of
  1. a service pipe, and any gas flow control, primary meter or primary meter installation used in connection with such pipe, in domestic premises; and
  2. an installation pipe in domestic premises.
Class 3 Installation and commissioning of
  1. a service pipe, and any gas flow control, primary meter or primary meter installation used in connection with such pipe, in domestic premises;
  2. an installation pipe in domestic premises; and
  3. a domestic gas appliance.
Class 4 Installation of domestic gas appliances to existing, adjacent gas supply points and commissioning and servicing of domestic gas appliances.
Class 5 Installation of
  1. a service pipe, and any gas flow control, primary meter or primary meter installation used in connection with such pipe, in non-domestic premises; and
  2. an installation pipe in non-domestic premises.
Class 6 Installation and commissioning of
  1. a service pipe, and any gas flow control, primary meter or primary meter installation used in connection with such pipe, in non-domestic premises; and
  2. an installation pipe in non-domestic premises; and
  3. a non-domestic gas appliance.
Class 7 Installation of non-domestic gas appliances to existing, adjacent gas supply points and commissioning and servicing of non-domestic gas appliances.
Class 8 Installation, commissioning and servicing of a gas appliance which forms part of an industrial process.

Purpose of Registration

The purpose of the registration scheme is to ensure that only competent gas contractors, who employ registered gas installers and appropriate material resources, undertake gas installation work for enhancing the safety of gas users and members of the public.

Who Should Register

Any gas contractor who wants to commence or carry on business as a gas contractor from 1 April 1992 should be registered with the Government.

From that date onwards, no person shall employ a contractor other than a registered gas contractor for gas installation work.

Gas installation work undertaken by a gas contractor is associated with gas service pipes and controls, and all downstream gas fittings including gas appliances, as defined in the Gas Safety (Registration of Gas Installers and Gas Contractors) Regulations, Cap. 51. There are eight classes of work and these are listed in the appendix.

Purpose of Registration