ML19267A136

NRC Information Request (September 23, 2019) - IP 71111.08 - DC Cook U2 - Documents Selected for Onsite Review (DRS-M.Holmberg)

ML19267A136
Person / Time
Site:	Cook
Issue date:	09/24/2019
From:	NRC/RGN-III
To:
References
IP 71111.08
Download: ML19267A136 (2)

Text

Part B Items (Onsite) - NRC Information Request (September 23, 2019) - IP 71111.08- DC Cook U2 - Documents Selected for Onsite Review.

Please provide a hard copy of the documents below to the DC Cook Resident Inspectors Office on or before the entrance meeting scheduled October 15, 2019. This list of documents compliments/supplements the existing list of information requested for the onsite review as identified in NRC request for information letter dated July 11, 2019 and includes requests for information that were not available or not provided from Section A of the request letter.

Additionally, provide the remainder of information identified in Section B of the NRC information request letter dated July 11, 2019. Please direct questions on this request to the lead inspector Mr. M. Holmberg at msh@nrc.gov or 630-829-9748.

Item A.2- NDE Procedures and supporting information

- EPRI Procedure Demonstration Qualification Sheet (PDQS) for vendor procedure WDI-STD-1000 - Remote In-Service Inspection of Reactor Vessel Shell Welds, and provide a copy of the procedure revision used for qualification as identified in the PDQS, and provide a copy of each procedure revision since initial qualification under PDQS, with explanation/justification of procedure changes and any supporting EPRI correspondence related to qualification of this procedure.

- EPRI Procedure Demonstration Qualification Sheet (PDQS) for vendor procedure LMT-10-PAUT-002 Rev. 1 Manual Phased Array Ultrasonic Examination of Austenitic and Ferritic Piping Welds and provide a copy of the procedure revision used for qualification as identified in the PDQS, and provide a copy of each procedure revision since initial qualification under PDQS, with explanation/justification of procedure changes and any supporting EPRI correspondence related to qualification of this procedure.

Item B.1 - See detailed list of information needed in the NRC information request letter-Welds Selected for review The following Code Class welds completed during prior Unit 2 outage Work Order Description/Topic Supporting Docs 55458077-01 2-ILA-141-V1 Replace Valve As stated in Item B.1 of (Class - 2, Emergency Core Cooling welds, request letter OW-2, OW-4, OW-1A) 55517263-01 2-BD-103-2, Replace Valve As stated in Item B.1 of (Class - 2, Blowdown, welds OW-2 to OW-4) request letter Item B.2 of NRC information request letter- ISI or SG related corrective actions AR/IR Number Description/Topic Supporting Docs AR 2016- SG 22 Volumetric Indications Copy of AR and all CAs and applicable 12205 Identified During ECT evaluations.

ADAMS Accession Number: ML19267A136

AR 2016- Foreign Material in SG 24 Copy of AR and all CAs and applicable 12195 evaluations including applicable NDE reports.

AR 2016- Turbine driven auxiliary feedwater Copy of AR and all CAs and applicable 13865 pump (2-PP-4) discharge pipe on evaluations including applicable NDE ISO 2-FW found below design reports.

limits. Replace portion of piping with external corrosion.

Item B.3- Relevant Indications -

- The following Anatec-LMT UT examination reports which recorded relevant indications that were determined to be geometric in nature. Additionally, prior ultrasonic examination reports for each affected weld.

• U2-VE-18-002

• U2-VE-18-003

• U2-VE-18-004

• U2-VE-18-005

• U2-VE-18-006

- UT examination records with recordable indications identified for the last volumetric examination completed on the U2 reactor vessel shell welds and shell-to-flange welds.