ML15051A032: Difference between revisions

From kanterella
Jump to navigation Jump to search
(Created page by program invented by StriderTol)
(Created page by program invented by StriderTol)
 
(One intermediate revision by the same user not shown)
Line 3: Line 3:
| issue date = 02/25/2015
| issue date = 02/25/2015
| title = Request for Additional Information Regarding the Safety Limit Minimum Critical Power Ratio License Amendment Request
| title = Request for Additional Information Regarding the Safety Limit Minimum Critical Power Ratio License Amendment Request
| author name = Morgan N S
| author name = Morgan N
| author affiliation = NRC/NRR/DORL/LPLI-1
| author affiliation = NRC/NRR/DORL/LPLI-1
| addressee name = Dent J A
| addressee name = Dent J
| addressee affiliation = Entergy Nuclear Operations, Inc
| addressee affiliation = Entergy Nuclear Operations, Inc
| docket = 05000293
| docket = 05000293
| license number = DPR-035
| license number = DPR-035
| contact person = Morgan N S
| contact person = Morgan N
| case reference number = TAC MF5431
| case reference number = TAC MF5431
| document type = Letter, Request for Additional Information (RAI)
| document type = Letter, Request for Additional Information (RAI)
Line 18: Line 18:


=Text=
=Text=
{{#Wiki_filter:UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 Mr. John Dent, Jr. Site Vice President Entergy Nuclear Operations, Inc. Pilgrim Nuclear Power Station 600 Rocky Hill Road Plymouth, MA 02360-5508 February 25, 2015
{{#Wiki_filter:UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 February 25, 2015 Mr. John Dent, Jr.
Site Vice President Entergy Nuclear Operations, Inc.
Pilgrim Nuclear Power Station 600 Rocky Hill Road Plymouth, MA 02360-5508


==SUBJECT:==
==SUBJECT:==
PILGRIM NUCLEAR POWER PLANT -REQUEST FOR ADDITIONAL INFORMATION REGARDING THE SAFETY LIMIT MINIMUM CRITICAL POWER RATIO LICENSE AMENDMENT REQUEST (TAC NO. MF5431)  
PILGRIM NUCLEAR POWER PLANT - REQUEST FOR ADDITIONAL INFORMATION REGARDING THE SAFETY LIMIT MINIMUM CRITICAL POWER RATIO LICENSE AMENDMENT REQUEST (TAC NO. MF5431)


==Dear Mr. Dent:==
==Dear Mr. Dent:==
By letter dated December 10, 2014, as supplemented by letter dated February 13, 2015, Entergy Nuclear Operations, Inc. submitted a license amendment request that would revise the Safety Limit Minimum Critical Power Ratio 1.08 1.10 for two recirculation loop operation and from 1.11 1.12 for single loop operation for Pilgrim Nuclear Power Station. The Nuclear Regulatory Commission (NRC) staff is reviewing the application and has determined that additional information is needed to complete its review. The specific questions are found in the enclosed request for additional information (RAI). The NRC staff is requesting a response to the RAI within 14 days of February 23, 2015 in an effort to expedite the review. If you have any questions regarding this matter, please contact me at (301) 415-1016.
 
Docket No. 50-293  
By letter dated December 10, 2014, as supplemented by letter dated February 13, 2015, Entergy Nuclear Operations, Inc. submitted a license amendment request that would revise the Safety Limit Minimum Critical Power Ratio from~ 1.08 to~ 1.10 for two recirculation loop operation and from ~ 1.11 to~ 1.12 for single loop operation for Pilgrim Nuclear Power Station.
The Nuclear Regulatory Commission (NRC) staff is reviewing the application and has determined that additional information is needed to complete its review. The specific questions are found in the enclosed request for additional information (RAI). The NRC staff is requesting a response to the RAI within 14 days of February 23, 2015 in an effort to expedite the review.
If you have any questions regarding this matter, please contact me at (301) 415-1016.
Sincerely, adiyah S. Morgan, Project Manager Plant Licensing Branch 1-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-293


==Enclosure:==
==Enclosure:==


RAI cc w/encl: Distribution via Listserv Sincerely, adiyah S. Morgan, Project Manager Plant Licensing Branch 1-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation REQUEST FOR ADDITIONAL INFORMATION REGARDING THE SAFETY LIMIT MINIMUM CRITICAL POWER RATIO LICENSE AMENDMENT REQUEST ENTERGY NUCLEAR GENERATION COMPANY ENTERGY NUCLEAR OPERATIONS, INC. PILGRIM NUCLEAR POWER STATION DOCKET NO. 50-293 By letter dated December 10, 2014 (Agencywide Document Access and Management System (ADAMS) Accession No. ML 14349A495), as supplemented by letter dated February 13, 2015 (ADAMS Accession No. ML 15050A245), Entergy Nuclear Operations, Inc. submitted a license amendment request that would revise the Safety Limit Minimum Critical Power Ratio from .:::_ 1. 08 to .:::_ 1.10 for two recirculation loop operation and from .:::_ 1.11 to .:::_ 1.12 for single loop operation for Pilgrim Nuclear Power Station (Pilgrim).
RAI cc w/encl: Distribution via Listserv
In order to complete its review, the Nuclear Regulatory Commission staff requests further information on the following items: 1. Provide the differences in design and geometrical considerations between Global Nuclear Fuel -2 and General Electric -14. 2. a. Discuss the methodology and the scheme used during Pilgrim Cycles 20 and 21 for core reloads. Is there a noticeable change in the core radial and axial power shapes between cycles 20 and 21 reloads? b. For the initial core loadings of the Pilgrim Cycles 20 and 21 specify the fuel type, number of fresh, once-burned, twice-, and thrice-burned fuel. Enclosure February 25, 2015 Mr. John Dent, Jr. Site Vice President Entergy Nuclear Operations, Inc. Pilgrim Nuclear Power Station 600 Rocky Hill Road Plymouth, MA 02360-5508  
 
REQUEST FOR ADDITIONAL INFORMATION REGARDING THE SAFETY LIMIT MINIMUM CRITICAL POWER RATIO LICENSE AMENDMENT REQUEST ENTERGY NUCLEAR GENERATION COMPANY ENTERGY NUCLEAR OPERATIONS, INC.
PILGRIM NUCLEAR POWER STATION DOCKET NO. 50-293 By letter dated December 10, 2014 (Agencywide Document Access and Management System (ADAMS) Accession No. ML14349A495), as supplemented by letter dated February 13, 2015 (ADAMS Accession No. ML15050A245), Entergy Nuclear Operations, Inc. submitted a license amendment request that would revise the Safety Limit Minimum Critical Power Ratio from .:::_
: 1. 08 to .:::_ 1.10 for two recirculation loop operation and from .:::_ 1.11 to .:::_ 1.12 for single loop operation for Pilgrim Nuclear Power Station (Pilgrim).
In order to complete its review, the Nuclear Regulatory Commission staff requests further information on the following items:
: 1.       Provide the differences in design and geometrical considerations between Global Nuclear Fuel - 2 and General Electric - 14.
2.
: a.         Discuss the methodology and the scheme used during Pilgrim Cycles 20 and 21 for core reloads. Is there a noticeable change in the core radial and axial power shapes between cycles 20 and 21 reloads?
: b.         For the initial core loadings of the Pilgrim Cycles 20 and 21 specify the fuel type, number of fresh, once-burned, twice-, and thrice-burned fuel.
Enclosure
 
February 25, 2015 Mr. John Dent, Jr.
Site Vice President Entergy Nuclear Operations, Inc.
Pilgrim Nuclear Power Station 600 Rocky Hill Road Plymouth, MA 02360-5508


==SUBJECT:==
==SUBJECT:==
PILGRIM NUCLEAR POWER PLANT -REQUEST FOR ADDITIONAL INFORMATION REGARDING THE SAFETY LIMIT MINIMUM CRITICAL POWER RATIO LICENSE AMENDMENT REQUEST (TAC NO. MF5431)  
PILGRIM NUCLEAR POWER PLANT - REQUEST FOR ADDITIONAL INFORMATION REGARDING THE SAFETY LIMIT MINIMUM CRITICAL POWER RATIO LICENSE AMENDMENT REQUEST (TAC NO. MF5431)


==Dear Mr. Dent:==
==Dear Mr. Dent:==
By letter dated December 10, 2014, as supplemented by letter dated February 13, 2015, Entergy Nuclear Operations, Inc. submitted a license amendment request that would revise the Safety Limit Minimum Critical Power Ratio from > 1.08 to > 1.10 for two recirculation loop operation and from > 1.11 to > 1.12 for single loop operation for Pilgrim Nuclear Power Station. The Nuclear Regulatory Commission (NRC) staff is reviewing the application and has determined that additional information is needed to complete its review. The specific questions are found in the enclosed request for additional information (RAI). The NRC staff is requesting a response to the RAI within 14 days of February 23, 2015 in an effort to expedite the review. If you have any questions regarding this matter, please contact me at (301) 415-1016.
 
Docket No. 50-293  
By letter dated December 10, 2014, as supplemented by letter dated February 13, 2015, Entergy Nuclear Operations, Inc. submitted a license amendment request that would revise the Safety Limit Minimum Critical Power Ratio from > 1.08 to > 1.10 for two recirculation loop operation and from > 1.11 to > 1.12 for single loop operation for Pilgrim Nuclear Power Station.
The Nuclear Regulatory Commission (NRC) staff is reviewing the application and has determined that additional information is needed to complete its review. The specific questions are found in the enclosed request for additional information (RAI). The NRC staff is requesting a response to the RAI within 14 days of February 23, 2015 in an effort to expedite the review.
If you have any questions regarding this matter, please contact me at (301) 415-1016.
Sincerely, IRA/
Nadiyah S. Morgan, Project Manager Plant Licensing Branch 1-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-293


==Enclosure:==
==Enclosure:==


RAI cc w/encl: Distribution via Listserv DISTRIBUTION:
RAI cc w/encl: Distribution via Listserv DISTRIBUTION:
PUBLIC LPLl-1 R/F RidsNrrDorlDpr M. Chernoff RidsNrrDorlLpl 1-1 RidsNrrLAKGoldstein
PUBLIC                 RidsNrrDorlLpl 1-1            RidsNrrPMPilgrim LPLl-1 R/F             RidsNrrLAKGoldstein            RidsAcrsAcnw_MailCTR RidsNrrDorlDpr         RidsRgn1 MailCenter            S. Krepel M. Chernoff           RidsNrrDssSrxb                 F. Forsaty ADAMS Accession No.: ML15051A032 OFFICE         LPLl-1/PM           LPLl-1/LA           SRXB/BC             LPLl-1/BC NAME             NMorgan           KGoldstein           CJackson             BBeaslev DATE             2/24/2015         02/24/2015           2/24/2015           2/25/2015 OFFICIAL RECORDS COPY}}
 
RidsRgn1 MailCenter RidsNrrDssSrxb ADAMS Accession No.: ML 15051A032 Sincerely, IRA/ Nadiyah S. Morgan, Project Manager Plant Licensing Branch 1-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation RidsNrrPMPilgrim RidsAcrsAcnw
_MailCTR S. Krepel F. Forsaty OFFICE LPLl-1/PM LPLl-1/LA SRXB/BC LPLl-1/BC NAME NMorgan KGoldstein CJackson BBeaslev DATE 2/24/2015 02/24/2015 2/24/2015 2/25/2015 OFFICIAL RECORDS COPY}}

Latest revision as of 16:21, 31 October 2019

Request for Additional Information Regarding the Safety Limit Minimum Critical Power Ratio License Amendment Request
ML15051A032
Person / Time
Site: Pilgrim
Issue date: 02/25/2015
From: Nadiyah Morgan
Plant Licensing Branch 1
To: Dent J
Entergy Nuclear Operations
Morgan N
References
TAC MF5431
Download: ML15051A032 (3)


Text

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 February 25, 2015 Mr. John Dent, Jr.

Site Vice President Entergy Nuclear Operations, Inc.

Pilgrim Nuclear Power Station 600 Rocky Hill Road Plymouth, MA 02360-5508

SUBJECT:

PILGRIM NUCLEAR POWER PLANT - REQUEST FOR ADDITIONAL INFORMATION REGARDING THE SAFETY LIMIT MINIMUM CRITICAL POWER RATIO LICENSE AMENDMENT REQUEST (TAC NO. MF5431)

Dear Mr. Dent:

By letter dated December 10, 2014, as supplemented by letter dated February 13, 2015, Entergy Nuclear Operations, Inc. submitted a license amendment request that would revise the Safety Limit Minimum Critical Power Ratio from~ 1.08 to~ 1.10 for two recirculation loop operation and from ~ 1.11 to~ 1.12 for single loop operation for Pilgrim Nuclear Power Station.

The Nuclear Regulatory Commission (NRC) staff is reviewing the application and has determined that additional information is needed to complete its review. The specific questions are found in the enclosed request for additional information (RAI). The NRC staff is requesting a response to the RAI within 14 days of February 23, 2015 in an effort to expedite the review.

If you have any questions regarding this matter, please contact me at (301) 415-1016.

Sincerely, adiyah S. Morgan, Project Manager Plant Licensing Branch 1-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-293

Enclosure:

RAI cc w/encl: Distribution via Listserv

REQUEST FOR ADDITIONAL INFORMATION REGARDING THE SAFETY LIMIT MINIMUM CRITICAL POWER RATIO LICENSE AMENDMENT REQUEST ENTERGY NUCLEAR GENERATION COMPANY ENTERGY NUCLEAR OPERATIONS, INC.

PILGRIM NUCLEAR POWER STATION DOCKET NO. 50-293 By letter dated December 10, 2014 (Agencywide Document Access and Management System (ADAMS) Accession No. ML14349A495), as supplemented by letter dated February 13, 2015 (ADAMS Accession No. ML15050A245), Entergy Nuclear Operations, Inc. submitted a license amendment request that would revise the Safety Limit Minimum Critical Power Ratio from .:::_

1. 08 to .:::_ 1.10 for two recirculation loop operation and from .:::_ 1.11 to .:::_ 1.12 for single loop operation for Pilgrim Nuclear Power Station (Pilgrim).

In order to complete its review, the Nuclear Regulatory Commission staff requests further information on the following items:

1. Provide the differences in design and geometrical considerations between Global Nuclear Fuel - 2 and General Electric - 14.

2.

a. Discuss the methodology and the scheme used during Pilgrim Cycles 20 and 21 for core reloads. Is there a noticeable change in the core radial and axial power shapes between cycles 20 and 21 reloads?
b. For the initial core loadings of the Pilgrim Cycles 20 and 21 specify the fuel type, number of fresh, once-burned, twice-, and thrice-burned fuel.

Enclosure

February 25, 2015 Mr. John Dent, Jr.

Site Vice President Entergy Nuclear Operations, Inc.

Pilgrim Nuclear Power Station 600 Rocky Hill Road Plymouth, MA 02360-5508

SUBJECT:

PILGRIM NUCLEAR POWER PLANT - REQUEST FOR ADDITIONAL INFORMATION REGARDING THE SAFETY LIMIT MINIMUM CRITICAL POWER RATIO LICENSE AMENDMENT REQUEST (TAC NO. MF5431)

Dear Mr. Dent:

By letter dated December 10, 2014, as supplemented by letter dated February 13, 2015, Entergy Nuclear Operations, Inc. submitted a license amendment request that would revise the Safety Limit Minimum Critical Power Ratio from > 1.08 to > 1.10 for two recirculation loop operation and from > 1.11 to > 1.12 for single loop operation for Pilgrim Nuclear Power Station.

The Nuclear Regulatory Commission (NRC) staff is reviewing the application and has determined that additional information is needed to complete its review. The specific questions are found in the enclosed request for additional information (RAI). The NRC staff is requesting a response to the RAI within 14 days of February 23, 2015 in an effort to expedite the review.

If you have any questions regarding this matter, please contact me at (301) 415-1016.

Sincerely, IRA/

Nadiyah S. Morgan, Project Manager Plant Licensing Branch 1-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-293

Enclosure:

RAI cc w/encl: Distribution via Listserv DISTRIBUTION:

PUBLIC RidsNrrDorlLpl 1-1 RidsNrrPMPilgrim LPLl-1 R/F RidsNrrLAKGoldstein RidsAcrsAcnw_MailCTR RidsNrrDorlDpr RidsRgn1 MailCenter S. Krepel M. Chernoff RidsNrrDssSrxb F. Forsaty ADAMS Accession No.: ML15051A032 OFFICE LPLl-1/PM LPLl-1/LA SRXB/BC LPLl-1/BC NAME NMorgan KGoldstein CJackson BBeaslev DATE 2/24/2015 02/24/2015 2/24/2015 2/25/2015 OFFICIAL RECORDS COPY