ML12142A304

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Unit No, 2 - Request for Additional Information Related to Relief Requests RR-2 for the Fifth 10-Year Interval Inservice Testing Program
ML12142A304
Person / Time
Site: Robinson Duke Energy icon.png
Issue date: 05/24/2012
From: Billoch-Colon A
Plant Licensing Branch II
To: William Gideon
Carolina Power & Light Co
Billoch-Colon, Araceli
References
TAC ME8259
Download: ML12142A304 (3)


Text

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555*0001 May 24,2012 Mr. William R. Gideon, Vice President Carolina Power & Light Company H.B. Robinson Steam Electric Plant, Unit 2 3581 West Entrance Road Hartsville, South Carolina 29550

SUBJECT:

H. B. ROBINSON STEAM ELECTRIC PLANT, UNIT NO.2 - REQUEST FOR ADDITIONAL INFORMATION RELATED TO RELIEF REQUESTS (RR)-2 FOR THE FIFTH 10-YEAR INTERVAL INSERVICE TESTING PROGRAM PLAN (TAC NO. ME8259)

Dear Mr. Gideon:

By letter to the U.S. Nuclear Regulatory Commission (NRC) dated March 16, 2012 (Agencywide Documents Access and Management System Accession (ADAMS) No. ML110310012),

Carolina Power & Light Company, dOing business as Progress Energy Carolinas, Inc.,

submitted Relief Requests (RR)-1, RR-2, and RR-3 for the Inservice Testing Program Plan for the Fifth 10-Year Interval for the H. B.Robinson Steam Electric Plant, Unit No.2.

By letter dated May 10, 2012 (ADAMS Accession No. ML12138A041), the licensee submitted its response to the NRC's staff request for additional information (RAI), which was sent on May 4,2012. The NRC staff is reviewing your RAI responses and has determined that additional information is required to complete its review of RR-2. The specific information requested is addressed in the enclosure to this letter. During a discussion with your staff on May 21,2012, it was agreed that you would provide a response by June 4,2012.

The NRC staff considers that timely responses to requests for additional information help ensure sufficient time is available for staff review and contribute toward the NRC's goal of efficient and effective use of staff resources.

Please contact me at (301) 415-3302 if you have any questions.

Sincerely, Araceli Billoch Col6n, Project Manager Plant Licensing Branch 11-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-261

Enclosure:

RAI cc w/encl: Distribution via ListServ

REQUEST FOR ADDITIONAL INFORMATION REGARDING H. B. ROBINSON STEAM ELECTRIC PLANT, UNIT 2 INSERVICE TESTING PROGRAM PLAN FOR THE FIFTH-TEN YEAR INTERVAL DOCKET NO. 50-261 By letter to the U.S. Nuclear Regulatory Commission (NRC) dated March 16, 2012 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML110310012),

Carolina Power & Light Company, doing business as Progress Energy Carolinas, Inc.,

submitted Relief Requests (RR)-1, RR-2, and RR-3 for the Inservice Testing Program (1ST) Plan for the Fifth 10-Year Interval for the H. B. Robinson Steam Electric Plant, Unit NO.2. By letter dated May 10, 2012 (ADAMS Accession No. ML12138A041), the licensee submitted its response to the NRC's staff request for additional information (RAI), which was sent on May 4, 2012. The NRC staff is reviewing your RAI responses and has determined that additional information is required to complete its review of RR-2.

1ST-RR~2: UReguired Instrumentation Accuracy"

RAI-1

For the eight pumps in the alternative request, provide the number of times in the current 1O-year inservice test interval that non-calibrated flow instrumentation was used during the inservice tests.

RAI- 2:

Clarify when the new flow measurement instruments will be available for use all of the time for the inservice tests RAI- 3:

Describe the actions you will take to minimize the use of non-calibrated flow instruments.

RAI- 4:

Explain if a commitment will be made to not use the non-calibrated flow instruments on sequential tests for the same pump.

RAI- 5:

Provide the amount of "Acceptable Range" margin currently available for each pump.

Enclosure

ML12138A041), the licensee submitted its response to the NRC's staff request for additional information (RAI), which was sent on May 4,2012. The NRC staff is reviewing your RAI responses and has determined that additional information is required to complete its review of RR-2. The specific information requested is addressed in the enclosure to this letter. During a discussion with your staff on May 21, 2012, it was agreed that you would provide a response by June 4, 2012.

The NRC staff considers that timely responses to requests for additional information help ensure sufficient time is available for staff review and contribute toward the NRC's goal of efficient and effective use of staff resources.

Please contact me at (301) 415-3302 if you have any questions.

Sincerely, IRA!

Araceli Billoch Colon, Project Manager Plant Licensing Branch 1/-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-261

Enclosure:

RAI cc w/encr: Distribution via ListServ DISTRIBUTIQN:

PUBLIC Lp12-2 RlF RidsNrrDorlLpl2-2 RidsOgcRp RidsNrrLABClayton RidsAcrsAcnw_MailCTR RidsNrrPMRobinson RidsRgn2MailCenter RidsNrrDeEptb ADAMS Accession No'.. ML12142A304

  • Memo Date OFFICE LPL2-2/PM ILPL2-2/LA NRRlEPTB/BC LPL2-2/BC LPL2-2/PM NAME ABiliochCol6n ISClayton AMcMurtray" DBroaddus ABiliochCol6n DATE 05/21/12 105/21/12 05121112 05/24/12 05/24/12