EUSDSG3.12 Install and remove gas meters and regulators in domestic settings
Overview
This standard is about installing and removing gas meters and regulators in domestic settings. This could be for new installations, exchanging or replacing existing gas meters and regulators or for removing obsolete ones. Meters can be:
primary or secondary
credit, prepayment diaphragm or ultrasonic
from 5 to 16.0m3/hr
low pressure up to 75mbar or medium pressure from 75mbar to 2bar (4bar in Northern Ireland).
This standard covers all aspects of installing, exchanging, replacing and removing gas meters and regulators including the disconnection, de-commissioning and commissioning that is involved. It can apply to any type of fuel gas or combinations of fuel gas.
This standard should be used in conjunction with:
EUSDSG3a Prepare to work on gas systems or appliances in domestic settings; and
6 Carry out gas tightness testing and direct purging in small settings
This standard is for gas engineers who work in domestic settings and for emergency first responders.
Performance criteria
You must be able to:
Check existing installation for any unsafe appliances and system components and apply gas industry unsafe situations procedures when required
Make sure installation plans take account of whether gas meters and regulators are primary or secondary meter installations
Make sure the siting of the emergency control valve (ECV) and meter inlet valve (MIV) is accessible, correctly labelled and that they operate correctly
Confirm that the siting of meter housing and proximity distances of meter boxes and vent-discharges can be achieved and meets the manufacturers’ and industry standards’ requirements for location, siting and clearances
Identify and make appropriate plans to deal with any effects the siting of the existing gas supply and it’s proximity to other services may have on installation requirements
Check that conditions within gas and earthing systems will permit safe de-commissioning and re-commissioning
Select and use the correct tools and equipment for all aspects of the work
Use designated safe isolation methods, tests, and procedures to de- commission gas and earthing systems and components
Take precautionary actions to ensure that temporarily de-commissioned appliances, systems, or components do not present a safety hazard
Minimise damage to customer property and building features throughout all stages of work
Disconnect and remove any gas meters, regulators, gas systems and components, and earthing system components in current use in line with installation plans
Mark any live gas pipes with a notice to indicate they contain gas
Carry out a visual check of new gas meters and regulators for any damage, that seals are intact, that all packaging is removed and that gas ways are clear
Fabricate and assemble gas meter and regulator system components in line with installation requirements
Position gas meters and regulators and confirm they meet location, siting and clearances required by manufacturers’ and industry standards’ specification
Confirm that the provision of ventilation meets the gas meter and regulator manufacturers’ and industry standards’ requirements for the installation and system
Ensure existing gas systems are clean and free of debris
Fix and connect gas and earthing system components to gas meter and regulator installations in line with installation requirements
Use tightness testing and purging procedures to confirm the integrity of installed gas meters and regulators and gas systems
Complete meter labeling to required industry standards
Check and confirm the gas system operating pressures meet industry standards and are between 19 and 23 mbar
Ensure that adjustments and resealing of meter regulators are performed by Ofgem Approved Meter Installers
Confirm meter installation and operation complies with manufacturers’ specifications, industry standards, safety schemes and regulations
Use electrical testing procedures to confirm the integrity of installed earthing systems and components in accordance with industry standards
Complete all relevant documentation and paperwork in line with industry standards
Instruct property occupiers on the correct operation of gas systems, valves and components and provide them with their copy of any literature
Resolve problems within own area of responsibility and competence in accordance with approved procedures
Advise of any delays to the work, unresolved problems, unsafe situations and required remedial actions to those who require the information
Use designated safe isolation procedures and warning notices to prevent unauthorised use of un-commissioned gas meters and regulators, gas appliances, gas systems and components
Complete and attach emergency notices on or near meters or at ECVs if remote from primary meters
EUSDSG3.12 Install and remove gas meters and regulators in domestic settings
Overview
This standard is about installing and removing gas meters and regulators in domestic settings. This could be for new installations, exchanging or replacing existing gas meters and regulators or for removing obsolete ones. Meters can be:
This standard covers all aspects of installing, exchanging, replacing and removing gas meters and regulators including the disconnection, de-commissioning and commissioning that is involved. It can apply to any type of fuel gas or combinations of fuel gas.
This standard should be used in conjunction with:
This standard is for gas engineers who work in domestic settings and for emergency first responders.
Performance criteria
You must be able to: