ML20093G062

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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
  • 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.M16A (PWR vessel internals)
  • Approach to addressing F-J items

ISG Set 1

  • Focus on revisions proposed by the industry
  • Available for use and comment

- 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

- 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