Which document must be used to record all boiler tube work and replacement?

The boiler tube renewal sheet is the appropriate document for recording all boiler tube work and replacement. This specific sheet is designed to capture detailed information about each tube that has been worked on or replaced, including the reasons for replacement, tube dimensions, materials used, date of work, and who conducted the work. This ensures accurate tracking of maintenance and repair history specific to boiler tubes, which is critical for safety, operational efficiency, and compliance with regulatory requirements.

The maintenance log generally documents ongoing maintenance activities but does not provide the level of detail specific to boiler tube work. A service report might summarize various maintenance actions but lacks the focused detail needed for tracking boiler tube specifics. An inspection record typically documents findings from inspections rather than the actual work performed on the tubes. Thus, the boiler tube renewal sheet stands out as the dedicated document for this particular purpose.