Codes, Standards, and Regulatory Requirements
Candidates must understand that boiler operation is governed by codes and standards that set construction, inspection, and operating requirements. Know the roles of the ASME Boiler and Pressure Vessel Code for design and construction, and the National Board Inspection Code for repairs and alterations. Understand that jurisdictional authorities adopt these codes and may add local requirements for operator licensing, inspection intervals, and recordkeeping.
Learn what the code requires of the operator: maintaining a valid certificate or license where required, keeping logs, ensuring inspections and tests are performed at required intervals, and not altering or defeating safety devices. Know that repairs and alterations to the pressure boundary must follow code procedures and be documented; welding generally requires qualified procedures and welders. Records of inspections, tests, and repairs must be retained.
Traps: assuming a code is optional if the boiler is small (jurisdiction determines applicability); confusing ASME construction rules with National Board repair rules; thinking an operator can make pressure-boundary repairs without qualification; and forgetting that safety valve settings must not be changed without authorization. Questions often ask who has authority-the jurisdiction, not the operator, sets licensing and inspection rules.
Rule of thumb: the code sets the minimum, the jurisdiction enforces it, and the operator documents compliance.