BP MIGCS case studies
BP MIGCS · Put your knowledge to work in context.
The BP MIGCS - Migratory and Immigrant Gas Control Specialist - is a credential for technicians who work on gas-fired appliances, piping, and venting in settings where installations move between jurisdictions, such as manufactured housing, relocated equipment, and immigrant- or migrant-served communities with mixed code histories. The exam tests whether you can apply gas safety principles consistently when the code edition, inspection authority, or building type changes underneath you. The BP MIGCS case studies are 5 cases and about 2,105 words.
1Basement Restaurant Range, Gas Odour, and a Demanded Same-Day Sign-Off
A landlord has refurbished a basement restaurant kitchen and engaged you to connect a new 65 kW open-flame gas range. The existing installation includes a 35 mm steel riser, an emergency control valve at the meter, and a 150 mm mechanical extract hood.
507 words, about 3 min2Condensing Boiler With Low Gas Rate and High CO/CO2 Ratio
After a routine service on a 24 kW room-sealed condensing boiler, the flue-gas analyser shows CO 680 ppm, CO2 8.8%, CO/CO2 ratio 0.0077, flue temperature 62 °C and ambient CO 0 ppm. The boiler has been running for 15 minutes.
434 words, about 2 min3Replacement Combi With a Flue Terminal Close to an Openable Window
You are replacing an 18 kW wall-mounted combi boiler in a first-floor flat. The new boiler is in the same cupboard, but the flue must pass through the existing 100 mm hole in the external wall.
418 words, about 2 min4Open-Flue Boiler Spilling in a Shared Masonry Chimney
A 45 kW atmospheric open-flue boiler in a basement plant room is connected to a masonry chimney shared with a 20 kW open-flue water heater on the floor above. On start-up, smoke from the boiler draught diverter enters the plant room.
381 words, about 2 min535 kW Boiler Run Fails the Permitted Pressure Drop
A new 35 kW commercial boiler is fed by 22 m of 28 mm copper tube with 12 elbows, 4 tees and 2 full-bore isolation valves. The meter outlet pressure is 21 mbar.
365 words, about 2 min