ML13322B276

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11/14/13 e-mail from B.Shingleton to R.Guzman PT Curves LAR Supplement 2 - ONS Unit 3 Lower Nozzle Belt Forging Reported in ANP-3127, Revision 2
ML13322B276
Person / Time
Site: Oconee Duke Energy icon.png
Issue date: 11/14/2013
From: Shingleton B
Duke Energy Carolinas
To: Richard Guzman
Plant Licensing Branch II
Guzman R
References
TAC MF0765
Download: ML13322B276 (2)


Text

From: Shingleton, Boyd <Boyd.Shingleton@duke-energy.com>

Sent: Thursday, November 14, 2013 2:27 PM To: Guzman, Richard Cc: Whitaker, David E; Wasik, Christopher J

Subject:

ONS 54 EFPY PT Curves LAR Supplement 2 - ONS Unit 3 Lower Nozzle Belt forging reported in ANP-3127, Revision 2 came from a Certified Material Test Report (CMTR).

Rich, AREVA has advised that the new material data for the ONS Unit 3 Lower Nozzle Belt forging did not come from the CMTR provided by the Rotterdam Dockyard.

The new copper content for the ONS-3 Lower Nozzle Belt Forging (LNBF) comes from AREVA testing of an ONS-3 nozzle belt dropout remnant that contained LNBF material. The composition was determined via supplemental testing by AREVA in accordance with the AREVA QA program. The RTndt is determined by a Regulatory Guide 1.99 Revision 2 type statistical evaluation (mean/standard deviation) of data in the NRCs RVID2 database. The initial RTNDT and its uncertainty, , for the ONS-3 LNBF are estimated from a sample of A 508 Cl2 forgings specifically from the Rotterdam Dockyard. This provides a better estimate of the ONS-3 LNBF initial RTNDT than the previous values, which were estimated in accordance with Regulatory Guide 1.99, Revision 2 from a sample of materials from the same ASTM specification (A 508 Cl2) but without regard to supplier.

Boyd Shingleton ONS Regulatory Affairs 864-873-4716 From: Guzman, Richard [1]

Sent: Friday, November 08, 2013 6:40 PM To: Shingleton, Boyd Cc: Wasik, Christopher J; Patterson, Terry L; Guy, Robert H

Subject:

RE: ONS 54 EFPY PT Curves LAR Supplement 2

      • This is an EXTERNAL email. Exercise caution. DO NOT open attachments or click links from unknown senders or unexpected email. ***
Boyd, In his review of Supplement 2, the technical reviewer requests the licensee to confirm that the new material data for the ONS Unit 3 Lower Nozzle Belt forging reported in ANP-3127, Revision 2 came from a Certified Material Test Report (CMTR). A response via email will suffice; if necessary, we can also have a phone call to discuss further.
Thanks, Rich Guzman Sr. Project Manager NRR/DORL

US NRC 301-415-1030 From: Shingleton, Boyd [2]

Sent: Friday, October 25, 2013 5:32 PM To: Guzman, Richard Cc: Wasik, Christopher J; Patterson, Terry L; Guy, Robert H

Subject:

ONS 54 EFPY PT Curves LAR Supplement 2

Rich, Attached is the latest supplement to the PT curve LAR.

Boyd Shingleton Oconee Regulatory Affairs 864-873-4716