ML20094H453

ISI Remote Inspection - Supplemental Request for Information, Dated April 2, 2020

ML20094H453
Person / Time
Site:	Limerick  (NPF-039)
Issue date:	04/02/2020
From:	Andrey Turilin Engineering Region 1 Branch 1
To:
Turilin A
References
Download: ML20094H453 (2)

Text

Limerick Station, Unit 1, ISI Remote Inspection Supplemental Request for Information April 2, 2020 ADAMS No.: ML20094H453 Docket No.: 05000352 License No.: NPF-39 MEMORANDUM TO:

FOR FILE FROM:

Andrey Turilin, Reactor Inspector /RA/ Original Signed by Engineering Branch 1, Division of Reactor Safety Region I

SUBJECT:

Limerick Station, Unit 1, ISI Remote Inspection - Supplemental Request for Information As previously discussed, the following is a list of communication and documentation items that have been requested in support of a remote review of the Limerick Nuclear Power Station, Unit 1, In-Service Inspection (ISI) which will begin on or about April 6, 2020. Please contact me if you have questions regarding any of the requested information.

A. Communications

1. Setup the entrance and exit meeting via teleconference. We can adjust the date of the exit meeting pending receipt of all needed documentation.

2. Daily meetings

a. Morning status call to discuss ongoing NDE and welding activities. Needed staff include the ISI and NDE point of contact(s).

b. Afternoon debrief to discuss any NRC inspection issues or potential exam deferrals.

Needed staff include regulatory assurance.

3. Periodic meetings

a. For selected NDE samples, setup a teleconference or WebEx meeting for the NRC inspector to participate in the pre-job briefing. If any problems are encountered during the exam or if any indications are identified, then setup a post-job briefing.

B. Documentation Needs

1. Selected NDE Samples o Procedure for examination, analysis, and calibration o Scan plan and previous data for UT exams o Qualification and Certifications for examiners and reviewers o Calibration record o NDE analysis/disposition/report/record o Photographs, if available o Condition Reports generated due to this examination o Teleconference number for pre-job brief (and post-job if applicable)

CONTACT:

Andrey Turilin, Reactor Inspector Phone: 610-337-5177 Andrey.Turilin@nrc.gov FILE SUNSI REVIEW COMPLETE = Yes (AT on 04/02/20)

PUBLIC = Yes

2. Selected Welding Samples o Provide the same documentation needed for the Selected NDE Samples as shown above. In addition, provide the specific welding documents below.

o Weld map and traveler o Welding procedure (i.e. WPS) o Welders qualifications o Weld rod tickets o Photographs, if available. Those taken in conjunction with the NDE are fine.

o Condition Reports generated in conjunction with this welding activity.

3. RPV Head o Provide the same documentation needed for the Selected NDE Samples as shown above. In addition, provide the specific RPV head documents below.

o Provide the TOFD UT data and surface leakage path assessment for the five (5) selected penetrations. If there are any previous or new indications, then provide those as part of the selected penetrations.

o Provide a sample of photographs or videos from the bare metal VT. If not performed this outage, then a sample of pictures from the last time it was performed.

o Records documenting the extent of the inspection for each penetration nozzle.

C. Selected NDE Samples

1. UT -

2. PAUT -

3. PT (e.g., in conjunction with weld sample) -

4. MT -

5. E/VT-1 (e.g., IVVI) -

6. VT-3 (e.g., IWE/IWL) -