ML20093G062

Staff Slides for the April 7, 2020 SLR LLM 4 - 2nd Session

ML20093G062
Person / Time
Issue date:	04/06/2020
From:	William Burton NRC/NRR/DNRL/NLRP
To:
Burton W
References
Download: ML20093G062 (18)

Text

Subsequent License Renewal (SLR)

Lessons Learned Public Meeting #4 Session 2 April 7, 2020

AGENDA

• Welcome and Introductions

• Followup from the March 25, 2020 Public Telecon

• Status of SLR-ISG Set 1

• Proposed Revisions to F-J Notes

• MRP-227 Rev 1A Gap Analysis

• Summary/Next Actions

• Next Lessons Learned Meeting

• Closeout and Adjourn 2

Followup from the 3/25 Telecon

• Vessel Supports

• Item #15 of the F-J list (aging effects in fiberglass tanks)

• XI.M42 (internal coatings)

• XI.S1 (IWE)

• XI.M16A (PWR vessel internals)

• XI.S8 (protective coatings)

• Approach to addressing F-J items

ISG Set 1

• Focus on revisions proposed by the industry

• Available for use and comment

• Revisions to AMPs, TLAAs, and F-J Notes

• 4 ISGs

- Mechanical

- Structural

- Electrical

- PWR Vessel Internals

ISG Set 1

• Tentative Schedule

- May 15: complete revisions

- June 15: proposed ISGs publicly available for use and comment

• At least 2 public meetings during comment period

- July 15: public comments received

- September 15: Final revisions

- October 15: Final ISGs issued

Revisions to F-J Notes

• Diesel Fuel Oil

- Management of reduction of heat transfer in heat exchanger tubes

- Management of LOM for Ni alloy strainer components in fuel environment

- Management of cracking, blistering, and LOM in polymeric tanks exposed to fuel oil environment

Revisions to F-J Notes

• Compressed Air

- Management of loss of coating for compressed air steel tanks with internal coatings

- Management of LOM for compressed air steel tanks with internal coatings

Revisions to F-J Notes

• Auxiliary and Radwaste Area Ventilation

- Management of LOM/wear in elastomers exposed to condensation

• Emergency Diesel Generator

- Management of LOM/pitting, crevice corrosion in zinc exposed to lubricating oil

Revisions to F-J Notes

• Open Cycle Cooling Water

- Management of LOM/general, pitting, crevice corrosion in zinc exposed to condensation environment

- Revise VII.C1.A-400 and VII.C3.A-400 to specify XI.M20 and XI.M38

Revisions to F-J Notes

• Chemical and Volume Control

- Management of LOM/general, pitting, crevice corrosion in carbon steel, stainless steel, and copper alloy exposed to treated water environment

Revisions to F-J Notes

• Electrical Components

- Revise VI.A.LP-32 and VI.A.LP-28 to manage LOM and reduced electrical insulation in high-voltage insulators

Revisions to F-J Notes

• Fire Protection

- Management of cracking or LOM in subliming compound fireproofing/fire barriers

- Management of cracking and LOM in cementitious fireproofing/fire barriers

- Management of cracking and LOM in aluminum silicate fireproofing/fire barriers

Revisions to F-J Notes

• Group 5 Structures

- TLAA management of stainless steel spent fuel pool liner plate fatigue

Revisions to F-J Notes

• Reactor Vessel Internals -

Westinghouse

- Revise RVI components to reflect primary, expansion, and existing component inspections by MRP-227 Rev 1-A. Note new materials for components with stellite wear surfaces

MRP-227 Rev 1A Gap Analysis Next Actions

• Proposed Industry Revisions (Set 1)

- Prepare Set 1 Draft ISGs for use and comment day comment period

- Public meetings will be scheduled during comment period

- ISGs will be revised, as needed, based on public comments

- Final ISGs will be issued 16

Next Actions

• Staff-Initiated Revisions (Set 2)

- Revisions will be addressed after the Set 1 ISGs are issued

Next Lessons Learned Meeting

• July

- Topics

• Embark Venture Studios

• Status of Set 1 ISGs

• Plans for Set 2 ISGs 18