ML22010A097

Trp 038 Psl Internal Surfaces Breakout Questions - Allik

ML22010A097
Person / Time
Site:	Saint Lucie
Issue date:	01/07/2022
From:	Florida Power & Light Co
To:	Office of Nuclear Reactor Regulation
Rodriguez-Luccioni H
References
EPID L-2021-SLR-0002
Download: ML22010A097 (2)

Text

St. Lucie SLRA: Breakout Questions SLRA Section AMP B.2.3.24: Inspection of Internal Surfaces in Miscellaneous Piping and Ducting Components TRP: 38

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

Technical Reviewer Allik 1/ 5 /2022 Technical Branch Chief Bloom Concurrence Date 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 Table 3.3 -193 SLRA Table 3.3.2 -8 states stainless steel Based on the intended function of 3.3.2-8 3.3-201 piping and valve bodies (with an intended the subject piping and valve function of pressure boundary) exposed to raw bodies being pressure boundary water will be managed for loss of material (i.e., provide pressure-retaining using Inspection of Internal Surfaces in boundary so that sufficient flow at Miscellaneous Piping and Ducting adequate pressure is delivered),

Components program. the staff requests a clarifying discussion to understand why flow SLRA Table 3.3-1 (item 134) states stainless blockage due to fouling is not an steel piping and piping components exposed applicable aging to raw water are managed for loss of material effect/mechanism requiring and flow blockage due to fouling using the management.

Inspection of Internal Surfaces in Miscellaneous Piping and Ducting Components program.

2 Table 3.3 -111 SLRA Table 3.3.2 -4 states the following The staff requests a clarifying 3.3.2-4 3.3-124 components will be managed for (a) hardening discussion to understand why 3.3 -125 or loss of strength; and (b) loss of material cracking or blistering is not an

using the Inspection of Internal Surfaces in applicable aging effect requiring Miscellaneous Piping and Ducting management for the subject Components program: components in SLRA Table 3.3.2-4.

• Polyester flexible hoses exposed to air-dry.

• Plexiglas sight glasses exposed to treated water and air-indoor uncontrolled.

SLRA Table 3.3-1 (item 263) states polymeric components exposed to air and treated water are managed for (a) hardening or loss of strength; (b) loss of material; and (c) cracking or blistering using the Inspection of Internal Surfaces in Miscellaneous Piping and Ducting Components program.