ML22076A196

Presentation March23, 2022 NRC Di_C Workshop

ML22076A196
Person / Time
Site:	Waterford
Issue date:	03/17/2022
From:	Entergy Corp
To:	NRC/NRR/DORL/LPL4
Jain B, NRR/DORL/LPL4, 301-415-6303
Shared Package
ML22076A191	List: ML22076A194 ML22076A196
References
Download: ML22076A196 (1)

Text

March 23, 2022 WF3 Core Protection Calculator Project NRC Digital I&C Workshop ISG-06 Lessons Learned Jacob Champagne, Responsible Engineer Alan Harris, Regulatory Assurance

Project Background Waterford 3 CPCS Replacement

• Replacement of existing Interdata 7/16 digital computer system with Westinghouse Common Q' platform

• Engineering Change documented in CMISDP (EC-83843) - Approved April 2021

• No impact to existing safety-related algorithms

• License Amendment Request (LAR) submitted; Amendment approval/Safety Evaluation received August 2021

• Factory Acceptance Test performed at Westinghouse testing facility July-August 2021; observed by NRC

• Site Acceptance Testing performed at Entergy WF3 testing location; observed by NRC

• Implementation planned for WF3 RF24, starting April 2022 2

Lessons Learned Entergy Lessons Learned

• Vendor Oversight Plan (VOP) and VOP Summary

• Involvement of Region Inspectors earlier in the process

• Clarifying terminology (i.e., audit and life cycle)

• Cyber Receipt, Warehouse and Custody Control Westinghouse Lessons Learned

• Early engagement of the NRC Vendor QA Inspection branch

• Logistical challenges of hosting NRC Regional Inspectors, NRR Vendor QA Inspectors, and the Licensee while conducting Factory Acceptance Testing 3

Questions/Comments?

4