RGII Domestic Gas Safety case studies
RGII Domestic Gas Safety · Put your knowledge to work in context.
The RGII Domestic Gas Safety assessment is the competence check that sits behind registration with the Register of Gas Installers of Ireland (RGII) for work on domestic natural gas installations. It is aimed at craftspersons - typically qualified plumbers, heating engineers or pipefitters - who need to demonstrate that they can install, commission, service and make safe domestic gas appliances and associated pipework to Irish requirements. The RGII Domestic Gas Safety case studies are 5 cases and about 4,674 words.
1A flueless fire requested for a child's attic bedroom
A homeowner in a 1990s estate asks you to install a decorative flueless natural gas fire (catalytic, rated 2.6 kW input) in a converted attic bedroom. The room measures 4.2 m × 3.0 m × 2.4 m.
830 words, about 4 min2A 1.5 mbar fall on a tightness test with a long-standing smell at the hob
You have replaced a corroded 15 mm copper tee and about 1.2 m of pipework in a kitchen, on the outlet side of the meter. The installation supplies a 24 kW open-flued boiler in the utility room, a four-burner hob on a rigid connection and a cooker bayonet.
944 words, about 5 min3Spillage and a poor CO/CO₂ ratio at an annual service
You attend an annual service on a 15-year-old open-flued natural gas boiler (rated 18 kW) in the utility room of a 1970s bungalow. The room has a louvred door and a 100 cm² permanent wall vent.
952 words, about 5 min4A concealed duct run and 6 mm² bonding on a boiler replacement
You are pricing the connection of a new 24 kW system boiler in the attic of a two-storey semi-detached house, replacing a boiler in the kitchen. Your proposed route runs 22 mm copper from the external meter box on the front elevation, through the front wall into the hall, then up through a boxed-in service duct to the attic.
1,025 words, about 5 min5Commissioning a combi on a reused 15 mm supply: 19.5 kW instead of 24 kW
You are commissioning a new 24 kW input natural gas combi boiler in a terraced house, replacing an old back boiler. The existing gas supply is 15 mm copper with an equivalent length of about 14 m from the meter, and you have reused it.
923 words, about 5 min