ML22013A293

Trp 45 St. Lucie SLRA - Breakout Questions Masonry Walls

ML22013A293
Person / Time
Site:	Saint Lucie
Issue date:	12/21/2021
From:	Office of Nuclear Reactor Regulation
To:
Rodriguez-Luccioni H
References
EPID L-2021-SLR-0002, L-2021-SLR-0002
Download: ML22013A293 (2)

Text

St. Lucie SLRA: Breakout Questions SLRA Section B.2.3.32, Masonry Walls TRP: 045

Note: Breakout Questions are provided to the applicant and will be incorporated into the publicly-available audit report.

Technical Reviewer Zuhan Xi 12/ 09 /2021 Technical Branch Chief Joseph Colaccino 12/10/2021 Breakout Session Date/Time To be filled in by PM

Applicant Staff NRC staff To be filled out by PM during breakout

Question SLRA SLRA Background / Issue Discussion Question / Request Outcome of Discussion Number Section Page (As applicable/needed) 1 B.2.3.32 B-245 GALL - SLR XI.S5 - Acceptance Criteria Confirm whether the evaluation recommends that observed degradation is basis used for acceptance assessed against the evaluation basis to criteria for the M asonry W alls confirm that the degradation has not program is adequate and invalidated the original evaluation meets NUREG - 2921 XI.S5.

assumptions or impacted the capability to perform the intended functions.

GALL - SLR XI.S5 also states, in part, that

[t] he U.S. Nuclear Regulatory Commission (NRC) Inspection and Enforcement Bulletin (IEB) 80 - 11,

Masonry Wall Design, and NRC Information Notice (IN) 87 - 67, Lessons Learned from Regional Inspections of Licensee Actions in Response to IE

Bulletin 80-11, constitute an acceptable basis for a masonry wall aging management program (AMP).

In the St. Lucie Units 1 and 2 Subsequent License Renewal Aging Management Program Basis Document - Masonry Walls (NEESL00008-REPT-072, Rev. 0),

Section 4.6, Acceptance Criteria, states that masonry block walls are inspected using evaluation basis established in response to IE Bulletin 80 -11. It appears that the evaluation basis of the acceptance criteria only come from the established response to NRC IEB 80- 11, and no other evaluation basis is involved.