ML20097B285

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April 7, 2020, Presubmittal Teleconference Discussion Topics - Proposed Relief Requests for Deferral of Several Inspections and Tests from 2RF18 (Spring 2020) to 2RF19 (Fall 2021)
ML20097B285
Person / Time
Site: Comanche Peak Luminant icon.png
Issue date: 04/06/2020
From: Hicks J
Luminant, TXU Energy, Vistra Energy
To:
Galvin D
References
EPID L-2020-LRM-0028
Download: ML20097B285 (2)


Text

Comanche Peak Unit 2 April 7, 2020, Presubmittal Teleconference Discussion Topics Proposed Relief Requests for Deferral of Several Inspections and Tests from 2RF18 (Spring 2020) to 2RF19 (Fall 2021)

1. Inservice Inspection (ISI)

Applicable Code ASME Section XI, 2007 Edition through the 2008 Addenda, subparagraph IWA-2430(c)(3),

states:

(c) For components inspected under the Inspection Program, the following shall apply:

(3) That portion of an inspection interval described as an inspection period may be reduced or extended by as much as 1 year. This adjustment shall not alter the requirements for scheduling inspection intervals.

Request Luminant is proposing that the extension allowed by IWA-2430(c)(3) be increased to 18 months.

This allows deferral of ISI scope from 2RF18 to 2RF19.

2. Reactor Vessel Nozzle Dissimilar Metal Welds Ultrasonic (UT) Inspection Applicable Code American Society of Mechanical Engineers (ASME)Section XI, 2007 Edition through the 2008 Addenda Code Case N-770-2. The Hot Leg examinations required by Code Case N-770-2, Table 1, Item Number A-2 Request Defer the inspection from 2RF18 to 2RF19.
3. Bottom Mounted Instrumentation (BMI) Visual Inspection Applicable Code ASME Section XI, 2007 Edition through the 2008 Addenda, N-722-1, 10 CFR 50.55a Codes and Standards Request Defer the inspection from 2RF18 to 2RF19.
4. Reactor Head Penetration Visual Inspection Applicable Code ASME Section XI, 2007 Edition through the 2008 Addenda, N-729-4; 10 CFR 50.55a Codes and Standards Request Defer the inspection from 2RF18 to 2RF19.
5. Snubbers Applicable Code ASME OM CODE 2004 Edition 2006 addenda, Subsection ISTD-4200, and Operational Readiness Testing, Subsection ISTD-5200.

Request Defer the snubber testing and inspection from 2RF18 to 2RF19.

6. Inservice Testing (IST)

-Check Valve Disassembly Examination-3 valves

-Relief Valve Test-10 valves Applicable Code ISTC-5221(c)(3), I-1320, I-1350, I-1350(a)

Request Defer the disassembly examination and relief testing from 2RF18 to 2RF19.