ie-rgii-non-domestic-gas-safety case studies
ie-rgii-non-domestic-gas-safety · Put your knowledge to work in context.
The Non-Domestic Gas Safety assessment is the commercial and industrial counterpart to the domestic gas safety certification held by Registered Gas Installers in Ireland. It is aimed at installers and technicians who already work competently on domestic natural gas or LPG systems and now want to demonstrate competence on larger premises: restaurants, hotels, schools, hospitals, factories, workshops and plant rooms. The ie-rgii-non-domestic-gas-safety case studies are 5 cases and about 3,007 words.
1A domestic registration, a bakery oven and a request to 'sign it off'
An RGII-registered installer whose registration covers domestic natural gas only is asked to service a bakery's 60 kW two-deck oven and 45 kW water heater before a busy weekend. The oven has just been connected by a general builder using 15 m of 22 mm copper run from the meter, with a soldered joint hidden in a ceiling void, no sleeve where it passes through a fire wall, and no isolation valve at the appliance.
670 words, about 3 min2LPG in a basement kitchen: a detector in the wrong place
At a rural gastropub, the kitchen is in a basement below street level. Two 47 kg propane cylinders stand in an external compound at ground level against the front wall; the 15 mm copper supply runs down through an unsealed duct into the basement and feeds a new 40 kW six-burner range.
589 words, about 3 min3A 120 kW boiler that locks out at peak
A restaurant has a 120 kW condensing boiler and a 40 kW range. The meter outlet reads 21 mbar.
594 words, about 3 min4The cable-tied interlock
At a hotel kitchen, a 45 kW six-burner range sits under an extract canopy. The gas supply is interlocked through a solenoid valve and an airflow proving switch so that gas cannot pass unless the extract fan is running.
567 words, about 3 min5A five-minute test on a 250 kW installation
A new 250 kW condensing boiler in a warehouse plant room is fed by 60 m of 54 mm steel from a U40 meter with a 35 mm outlet. The installer isolated the boiler, connected a 0-20 mbar gauge to the test point, and did a five-minute tightness test at 20 mbar.
587 words, about 3 min