A finding of very low safety significance and associated non-citied violation of
10 CFR Part 50, Appendix B, Criterion V, Instructions, Procedures, and Drawings, was identified by the inspectors for the licensees failure to meet the requirements of procedure
MA-AA-796-024, Scaffold Installation, Inspection, and Removal, when scaffold Q0178 was built with one of its supports in rigid contact with the
operable Unit 2 torus. Immediate corrective actions included modifying the scaffold such that it was no longer in contact with the Unit 2 torus. This issue was captured in the licensees
CAP as
IR 1639356. The finding was determined to be more than minor because the finding was associated with the
Mitigating Systems Cornerstone attribute of protection against external factors and affected the cornerstone objective of ensuring the availability, reliability, and capability of systems that respond to
initiating events to prevent undesirable consequences. Specifically, a scaffold built in contact with safety related equipment could damage the equipment and affect its availability and reliability. The inspectors determined the finding could be evaluated using the
SDP in accordance with
IMC 0609,
Significance Determination Process, Appendix A, The
Significance Determination Process (
SDP) for Findings At-Power. The inspectors answered, No, to all of the Exhibit 2,
Mitigating Systems Screening Questions, in section A and determined the finding was of very low safety significance. This finding has a cross-cutting aspect of documentation in the area of human performance because the licensee did not create and maintain complete, accurate and, up-to-date documentation. Specifically, the licensee did not completely and accurately evaluate the acceptability of a scaffold that was in contact with safety related equipment (H.7).
