We wish to use provision QB-322 of the ASME Section IX Boiler and Pressure Vessel Code:
Renewal of qualification of the performance qualification is required when a brazer or brazing operator has not used the specific brazing process for a period of 6 months or more; or when there is a specific reason to question the ability to make brazes that meet the specification.
We also wish to comply with the NFPA99 Health Care Facilities Code:
Performance qualifications of brazers shall remain in effect indefinitely, unless the brazer does not braze with the qualified procedure for a period exceeding 6 months or there is a specific reason to question the ability of the braze.