A professional who inspects processing and storage tanks, pipelines and fittings, stills, towers, and pumping units for defects, following specified inspection procedures. Respnsibilities include:

• Examines mechanical installations, instrumentation, valves, and fittings for defects, such as cracks, corrosion, and leaks.
• Measures thickness of tank walls, tower walls, and pipelines, using calipers and electronic instruments, to determine extent of corrosive damage.
• Drills test holes in tank and tower walls to take samples of corrosive deposits and verify extent of damage.
• Installs probes and other instruments in tanks and towers to obtain samples of corrosive deposits and to measure rate of corrosion.
• Computes rate of corrosion from laboratory analysis of probe samples, using mathematical tables and charts.
• Reports need for immediate repairs to mechanical department.
• Prepares inspection reports to indicate nature of repairs and replacements required and to specify safe limits of temperature and pressure to follow pending repair of unit.
• Inspects construction and installation of new mechanical equipment for conformity to specifications.
• May inspect operating condition of firefighting equipment.
• May be designated according to equipment inspected as Still And Tank Inspector.