ML12201B545

Summary of Telephone Conference Call Held on 6/5/12, Between NRC and Entergy, Concerning RAI Pertaining to the Grand Gulf Nuclear Station, LRA

ML12201B545
Person / Time
Site:	Grand Gulf
Issue date:	08/28/2012
From:	Ferrer N License Renewal Projects Branch 1
To:	Entergy Operations
Ferrer N, 415-1045
References
TAC ME7493
Download: ML12201B545 (6)

Text

...",11 REG Ui UNITED STATES

.;:,v\\;

"1;

"'~

~o~.L NUCLEAR REGULATORY COMMISSION f!!

(")

WASHINGTON, D.C. 20555-0001 0

In t

~

August28,2012

~

~

'$0'/

~o

• • • • -1<

LICENSEE:

Entergy Operations, Inc.

FACILITY:

Grand Gulf Nuclear Station

SUMMARY

OF TELEPHONE CONFERENCE CALL HELD ON JUNE 5, 2012, BETWEEN THE U.S. NUCLEAR REGULATORY COMMISSION AND ENTERGY OPERATIONS, INC., CONCERNING REQUESTS FOR ADDITIONAL INFORMATION PERTAINING TO THE GRAND GULF NUCLEAR STATION, LICENSE RENEWAL APPLICATION (TAC. NO. ME7493)

The U.S. Nuclear Regulatory Commission (NRC or the staff) and representatives of Entergy Operations, Inc. (Entergy) held a telephone conference call on June 5,2012, to discuss and clarify the staff's requests for additional information (RAls) concerning the Grand Gulf Nuclear Station license renewal application. The telephone conference call was useful in clarifying the intent of the staff's RAls. provides a listing of the participants and Enclosure 2 contains a listing of the RAls discussed with the applicant, including a brief description on the status of the items.

The applicant had an opportunity to comment on this summary.

Nathaniel Ferrer, Project Manager Projects Branch 1 Division of License Renewal Office of Nuclear Reactor Regulation Docket No. 50-416

Enclosures:

As stated cc w/encls: Listserv

PARTICIPANTS Nathaniel Ferrer Bryce Lehman Angela Buford Jeff Seiter Ted Ivy Abdolreza Ahrabli Stan Batch TELEPHONE CONFERENCE CALL GRAND GULF NUCLEAR STATION LICENSE RENEWAL APPLICATION LIST OF PARTICIPANTS JUNE 5,2012 AFFILIATIONS U.S. Nuclear Regulatory Commission (NRC)

NRC NRC Entergy Operations, Inc. (Entergy)

Entergy Entergy Entergy ENCLOSURE 1

REQUESTS FOR ADDITIONAL INFORMATION (SET 24)

LICENSE RENEWAL APPLICATION JUNE 5,2012 The U.S. Nuclear Regulatory Commission (NRC or the staff) and representatives of Entergy Operations, Inc. held a telephone conference call on June 5, 2012, to discuss and clarify the following requests for additional information (RAls) concerning the Grand Gulf license renewal application (LRA).

Draft RAI 3.5.1.87-1 Background. The GALL Report recommends that structural bolting in any environment should be managed for loss of preload due to self-loosening (e.g., GALL Report items III.B1.1.TP-229 and III.A1.TP-261). SRP-LR Table 3.5-1, items 87 and 88, recommends the ASME Section XI, Subsection IWF and Structures Monitoring Program, respectively, to manage this aging effect.

Issue. LRA Table 3.5.1, items 87 and 88, state that this aging effect is not applicable and does not require management. No further discussion is provided.

Request. Explain why loss of preload is not an aging effect for structural bolting within the scope of license renewal, or provide an acceptable aging management program to manage loss of preload during the period of extended operation. The response should address both the ASME Section XI, Subsection IWF and the Structures Monitoring Programs.

Discussion: The applicant indicated that the question is clear. The staff will issue the question as a formal RAI.

Draft RAI 4.6.2-1 Background. LRA Section 4.6.2 states that calculations were identified for the bellows on the containment penetration guard pipes and the fuel transfer tube that analyzed a large number of cycles of flexure due to normal operation and earthquakes. The LRA also states that the number of analyzed cycles is significantly higher than the total number of cycles projected for the period of extended operation. The LRA further states that the applicant will use the Fatigue Monitoring Program to manage the aging effects due to fatigue in accordance with 10 CFR 54.21(1)(c)(iii).

Issue. The LRA does not provide additional information regarding the calculations performed for the fatigue analysis, such as the number of analyzed cycles or the included transients. The staff needs further information to confirm that an evaluation for the fatigue analysis is valid for the period of extended operation Request. Identify the number of cycles the guard pipes, fuel transfer tube, and associated bellows were designed for and explain how that number was developed. Also identify which transients were included in the original evaluation and which transients will be monitored under the Fatigue Monitoring Program.

Discussion: The applicant stated that it was unclear what components the request section of the question was referencing. The staff was referring to the bellows for the guard pipes and fuel transfer tube and will reword the request section as follows:

ENCLOSURE 2

- 2 Request. Identify the number of cycles of the bellows for the guard pipes and fuel transfer tube were designed for and explain how that number was developed. Also identify which transients were included in the original evaluation and which transients will be monitored under the Fatigue Monitoring Program.

The staff will issue the revised question as a formal RAI.

August 28,2012 LICENSEE:

Entergy Operations, Inc.

FACILITY:

Grand Gulf Nuclear Station

SUMMARY

OF TELEPHONE CONFERENCE CALL HELD ON JUNE 5, 2012, BETWEEN THE U.S. NUCLEAR REGULATORY COMMISSION AND ENTERGY OPERATIONS, INC., CONCERNING REQUESTS FOR ADDITIONAL INFORMATION PERTAINING TO THE GRAND GULF NUCLEAR STATION, LICENSE RENEWAL APPLICATION (TAC. NO. ME7493)

The U.S. Nuclear Regulatory Commission (NRC or the staff) and representatives of Entergy Operations, Inc. (Entergy) held a telephone conference call on June 5,2012, to discuss and clarify the staffs requests for additional information (RAls) concerning the Grand Gulf Nuclear Station license renewal application. The telephone conference call was useful in clarifying the intent of the staffs RAls. provides a listing of the participants and Enclosure 2 contains a listing of the RAls discussed with the applicant, including a brief description on the status of the items.

The applicant had an opportunity to comment on this summary.

IRA!

Nathaniel Ferrer, Project Manager Projects Branch 1 Division of license Renewal Office of Nuclear Reactor Regulation Docket No. 50-416

Enclosures:

As stated cc w/encls: listserv DISTRIBUTION: See next page ADAMS Accession No' ML12201B545 OFFICE ~B2:DLR PM:RPB1:DLR NAME IKing NFerrer DATE 8/2/12 8/21/12

• Concurred via email BC:RPB1 :DLR PM:RPB1:DLR DMorey NFerrer 8/26/12 8/28/12 OFFICIAL RECORD COpy

Memorandum to Grand Gulf Nuclear Station from N. Ferrer dated August 28,212

SUMMARY

OF TELEPHONE CONFERENCE CALL HELD ON JUNE 5, 2012, BETWEEN THE U.S. NUCLEAR REGULATORY COMMISSION AND ENTERGY OPERATIONS, INC., CONCERNING REQUESTS FOR ADDITIONAL INFORMATION PERTAINING TO THE GRAND GULF NUCLEAR STATION, LICENSE RENEWAL APPLICATION (TAC. NO. ME7493)

DISTRI BUTION:

HARDCOPY:

DLR RF E-MAIL:

PUBLIC RidsNrrDIr Resource RidsNrrDlrRpb1 Resource RidsNrrDlrRpb2 Resource RidsNrrDlrRarb Resource RidsNrrDlrRapb Resource RidsNrrDlrRasb Resource RidsNrrDlrRerb Resource RidsNrrDlrRpob Resource NFerrer DDrucker DWrona DMorey AWang RSmith, RIV BRice, RIV DMclntyre, OPA