SAQCC Gas LPG Commercial/Industrial case studies
SAQCC Gas LPG Commercial/Industrial · Put your knowledge to work in context.
SAQCC Gas is a non-profit company formed by four member associations - LPGSA, SACGA, SARACCA and SAGA - to maintain a central database of registered and authorised gas practitioners. It has been officially appointed and mandated by the Department of Employment and Labour to register gas practitioners on the Department's behalf across four gas industries: natural gas, liquefied petroleum gas, air conditioning and refrigeration gas, and compressed industrial and medical gases. The SAQCC Gas LPG Commercial/Industrial case studies are 5 cases and about 2,243 words.
1LPG Bulk Tank Overfilling on a Cold Morning
You are the responsible gas practitioner at a small commercial bakery running a 2 000 L horizontal LPG bulk tank feeding a 150 kW burner manifold. The tank is fitted with a fixed maximum liquid level gauge (the 85% bleeder) and a float-type contents gauge reading 78%.
465 words, about 2 min2Natural Gas Line Pressure Drop on a Rooftop Boiler Retrofit
A commercial building converts two rooftop boilers from LPG to natural gas. The utility supplies 21 mbar at the meter.
493 words, about 2 min3Refrigerant Retrofit Decision on a Chiller
A 300 kW air-cooled chiller runs on R-22 and has developed a slow leak at a flare joint. The owner wants to 'top it up and keep going' because a replacement is expensive.
462 words, about 2 min4Medical Oxygen Cylinder Filling Station Contamination
A small medical oxygen filling station transfills from a bulk liquid oxygen tank into 10 L and 50 L cylinders. During a routine check, a cylinder returned from a clinic is found to have a faint oily smell and a slightly low assay on the analyser.
411 words, about 2 min5Confined-Space Entry for a Gas Valve Repair
A gas fitter is asked to replace a leaking isolation valve on a 100 mm natural gas main inside a below-ground meter pit, 2.5 m deep with a single 600 mm access hatch. The pit has no forced ventilation.
412 words, about 2 min