ML14350B370

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NRR E-mail Capture - Request for Additional Information - Relief Requests (Rrs) B-7, B-12, and B-13
ML14350B370
Person / Time
Site: Comanche Peak Luminant icon.png
Issue date: 12/16/2014
From: Balwant Singal
Plant Licensing Branch IV
To: Hope T
Luminant Generation Co
References
TAC MF4752
Download: ML14350B370 (2)


Text

NRR-PMDAPEm Resource From: Singal, Balwant Sent: Tuesday, December 16, 2014 12:42 PM To: 'Hope, Timothy' (Timothy.Hope@luminant.com)

Cc: 'Jack.Hicks@luminant.com' (Jack.Hicks@luminant.com)

Subject:

Request for Additional Information - Relief Requests (RRs) B-7, B-12, and B-13 (TAC No.

MF4752)

Tim, By letter dated August 27, 2014, (Agencywide Documents Access and Management System (ADAMS)

Accession Number ML14253A211), Luminant Generation Company, LLC (Luminant, the licensee) requested relief from the requirements of the American Society of Mechanical Engineers Boiler and Pressure Vessel Code (ASME Code)Section XI requirements, for Comanche Peak Nuclear Power Plant (CPNPP), Unit 2, in Relief Requests (RRs) B-7, B-12, and B-13. Specifically, the licensee requested relief from required examination coverage of essentially 100% for inspection impracticality for Steam Generator (SG) Head-to-Tubesheet welds.

The U.S. Nuclear Regulatory Commission (NRC) staff has reviewed the information submitted by the licensee, and determined that the following additional information is required to complete the evaluation.

REQUEST FOR ADDITIONAL INFORMATION (RAI)

RAI-1

Please confirm that no Nickel Alloy weld metals (182 and 82) were used in the Category B-B, Item B.40 SG Head-to-Tubsheet Welds.

Draft RAIs were transmitted via e-mail on December 12, 2014 and Mr. Jack Hicks of Luminant informed the NRC staff on December 15, 2014 that a clarification call is not needed. You are requested to provide your response within 30 days from the date of this e-mail. Please treat this e-mail as formal transmittal of RAIs.

Thanks.

Balwant K. Singal Senior Project Manager (Comanche Peak, STP, and Palo Verde)

Nuclear Regulatory Commission Division of Operating Reactor Licensing Balwant.Singal@nrc.gov Tel: (301) 415-3016 Fax: (301) 415-1222 1

Hearing Identifier: NRR_PMDA Email Number: 1767 Mail Envelope Properties (3F8C43DFB4C0234AAF556F5CBE0BCAF50149E8F20542)

Subject:

Request for Additional Information - Relief Requests (RRs) B-7, B-12, and B-13 (TAC No. MF4752)

Sent Date: 12/16/2014 12:41:39 PM Received Date: 12/16/2014 12:41:00 PM From: Singal, Balwant Created By: Balwant.Singal@nrc.gov Recipients:

"'Jack.Hicks@luminant.com' (Jack.Hicks@luminant.com)" <Jack.Hicks@luminant.com>

Tracking Status: None

"'Hope, Timothy' (Timothy.Hope@luminant.com)" <Timothy.Hope@luminant.com>

Tracking Status: None Post Office: HQCLSTR02.nrc.gov Files Size Date & Time MESSAGE 1629 12/16/2014 12:41:00 PM Options Priority: Standard Return Notification: No Reply Requested: No Sensitivity: Normal Expiration Date:

Recipients Received: ZZZ