During standardization of the power engineers certification process, the issuance of some certificates of competency was discontinued on August 31, 1998. The discontinued certificates were:
Building Operator B (BOB) and Fireman examinations were combined and replaced with a new 5th Class examination. Also, Building Operator A (BOA) and 4th Class examinations were combined and replaced with a new 4th Class examination.
Background information regarding the obsolete certificates is provided by the following two articles from The Pressure News:
People holding the above mentioned obsolete certificates are given the option of either maintaining and renewing their certificates, or upgrading.
Information on renewing obsolete certificates is found in the renewals and reinstatement page.
People holding obsolete certificates may upgrade their certificates to a higher level certificate by writing the appropriate upgrade examination. Detailed information on each upgrade examination is provided in its reference syllabus, as listed below:
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