ML21356A577

Slar Breakout Questions - Fire Protection Scoping and Screening

ML21356A577
Person / Time
Site:	Saint Lucie
Issue date:	12/22/2021
From:	Office of Nuclear Reactor Regulation
To:
Rodriguez-Luccioni H
References
L-2021-SLR-0002
Download: ML21356A577 (3)

Text

St. Lucie Units 1 and 2 SLRA Breakout Questions SLRA Section Scoping and Screening:

2.1.3.4.1 Fire Protection (10 CFR 50.48) 2.1.4.2.1 Nonsafety-Related SSCs with Potential to Prevent Satisfactory Accomplishment of Safety Functions 2.3.3.5 Fire Protection/Service Water 2.4 Scoping and Screening Results: Structures (only fire barrier portion) 2.4.17 Fire Rated Assemblies Technical Reviewer Thinh Dinh/Naeem Iqbal 12/20/2021 Technical Branch Chief Jay Robinson (for 12/20/2021 Jennifer Whitman)

Breakout Session Applicant Staff NRC staff Question SLRA SLRA Background / Issue Discussion Question / Request Outcome of Discussion Number Section Page (As applicable/needed) 1 2.3.3.5 2.3-37 The descripton for the Fire Protection / Verify whether the fire Service Water does not include the protection components listed following: are within the scope of SLRA in accordance with 10 CFR

• seismic support for fire water 54.4(a) and whether they are system including tanks, subject to an aging standpipes, piping, etc.: management review (AMR) in

• floor drains for removal of fire accordance with 10 CFR water 54.21(a)(1). If any of the listed

• structural steel fire proofing components are not within the

• Fixed emergency lighting scope of SLRA and are not 1

subject to an AMR, the staff requests that the applicant provide justification for the exclusion.

2 2.3.3.5 2.3-38 Oil collection dikes and curbs are Clarify whether other oil credited fire protection features. The collection dikes and curbs such SLRA, however, only specifies the RCP as for the diesel oil and day oil collection system. tanks, pumps, etc. are within the scope of the SLRA in accordance with 10 CFR 54.4(a) and whether they are subject to an aging management review (AMR) in accordance with 10 CFR 54.21(a)(1). If they are not within the scope of SLRA and are not subject to an AMR, the staff requests that the applicant provide justification for the exclusion.

3 2.4.17 2.4-34 Only conduit fire wraps are included in Clarify whether other fire wraps the description of the fire rated or electrical raceway fire assemblies section. barrier system (ERFBS) credited for cable tray, ducts, electrical panels or junction boxes, etc., if any, are within the scope of the SLRA in accordance with 10 CFR 54.4(a) and whether they are subject to an aging management review (AMR) in accordance with 10 CFR 54.21(a)(1). If they are not within the scope of SLRA and are not subject to an AMR, the staff requests that the 2

applicant provide justification for the exclusion.

3