ML120380372

Millstone Power Station, Unit No. 2 - Request for Additional Information Regarding Amendment Request to Revise the Snubber Technical Specification Surveillance Requirements (TAC No. ME7221)

ML120380372
Person / Time
Site:	Millstone
Issue date:	02/09/2012
From:	Sanders C J Plant Licensing Branch 1
To:	Heacock D A Dominion Nuclear Connecticut
Sandeers, Carleen, NRR/DORL, 415-1603
References
TAC ME7221
Download: ML120380372 (4)

Text

UNITED NUCLEAR REGULATORY WASHINGTON, D.C. 20555-0001 February 9,2012 Mr. David A. Heacock President and Chief Nuclear Officer Dominion Nuclear Connecticut, Inc. Innsbrook Technical Center 5000 Dominion Boulevard Glen Allen, VA 23060-6711 MILLSTONE POWER STATION, UNIT NO.2 -REQUEST FOR ADDITIONAL INFORMATION REGARDING AMENDMENT REQUEST TO REVISE THE SNUBBER TECHNICAL SPECIFICATION SURVEILLANCE REQUIREMENTS (TAC NO. ME7221) Dear Mr. Heacock: By letter dated September 21, 2011,1 Dominion Nuclear Connecticut, Inc. (DNC or the licensee), submitted a license amendment request (LAR) for Millstone Power Station, Unit No.2 (MPS2). The proposed change would modify Technical Specification 3/4.7.8 "Snubbers," to conform to the revised MPS2 inservice inspection program. The U.S. Nuclear Regulatory Commission staff has reviewed the information provided by the licensee and has determined that additional information is needed in order to complete the review. The NRC staff requests responses to the enclosed questions. The draft questions were sent to Ms. Wanda Craft, of your staff, to ensure that the questions were understandable, the regulatory basis for the questions was clear, and to determine if the information was previously docketed. On February 7, 2012, Ms. Craft agreed that DNC would provide a response by March 7, 2012. Please note that if you do not respond to this letter by the agreed-upon date or provide an acceptable alternate date in writing, we may reject your application for amendment under the provisions of Title 10 of the Code of Federal Regulations, Section 2.108. If you have any questions regarding this matter, please contact me at 301-415-1603. Carleen J. Sanders, Project Manager Plant Licensing Branch 1-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-336 Enclosure: As stated cc w/encl: Distribution via Listserv 1 Agencywide Document Access and Management System (ADAMS) Accession No. ML 11270A051.

OFFICE OF NUCLEAR REACTOR REGULATION REQUEST FOR ADDITIONAL INFORMATION LICENSE AMENDMENT REQUEST TO REVISE THE SNUBBER TECHNICAL SPECIFICATION SURVEILLANCE REQUIREMENTS MILLSTONE POWER STATION, UNIT NO.2 DOCKET NUMBER 50-336 References: Dominion Nuclear Connecticut, Inc. (Dominion), letter to NRC, "License Amendment Request to Revise Snubber Surveillance Requirements," for Millstone Power Station, Unit 2, Docket No. 50-336, dated September 21, 2011.1 Millstone Power Station Unit 2 (MPS2), "Fourth 10-year Interval Inservice (lSI) Inspection Program and Associated Proposed Alternatives and Relief Requests, July, 2010.2 Millstone Power Station Unit 2, "Fourth 10-Year Intervallnservice Inspection Program," August 5,2010.3 In Reference 1, Attachment 1, Page 1 of 7, Section 3.0, "Background", the first paragraph states that "MPS2 is currently in fourth 1 O-year lSI interval. The fourth 1 O-year interval at MPS2 began on April 1, 2010 (References 2 and 3). Currently, snubber testing and examination are performed in accordance with the specific requirements of Technical Specification (TS) 3/4.7.8 and the requirements contained in American Society of Mechanical Engineers (ASME) Code for Operation and Maintenance of Nuclear Power Plants (OM Code), 2004 Edition." On Page 1-16, Section 1.8.25 and Page 2-34, Note 4, of References 2 and 3, it is noted that the snubber examination and testing of snubbers is performed in accordance with the 2004 Edition of the ASME OM Code, ISTD. RAI1: Please state whether examination and testing of snubbers is performed per TS 3/4.7.8 and the ASME OM Code requirements as described in Reference 1 or only in accordance with ASME OM Code, ISTD requirements as noted in References 2 and 3. If MPS2 is performing 1 Agencywide Documents Access and Management System (ADAMS) Accession No. ML11270A051 2 ADAMS Accession No. ML 102580204 3 ADAMS Accession No. ML 102220527 Enclosure

-examination and testing of snubbers per TS 3/4.7.8 and the ASME OM Code, please explain how Dominion is meeting both sets of requirements at MPS2. RAI2: Attachment 5 of Reference 1 contains the MPS2 Snubber Program, Rev. 0, dated July 21. 2011. Please indicate what snubber program was being used at MPS2 from April 1, 2010 through July 21, 2011, and provide a copy of this snubber program, if it is different than Attachment 5.

February 9, 2012 Mr. David A. Heacock President and Chief Nuclear Officer Dominion Nuclear Connecticut, Inc. Innsbrook Technical Center 5000 Dominion Boulevard Glen Allen, VA 23060-6711 MILLSTONE POWER STATION, UNIT NO.2 -REQUEST FOR ADDITIONAL INFORMATION REGARDING AMENDMENT REQUEST TO REVISE THE SNUBBER TECHNICAL SPECIFICATION SURVEILLANCE REQUIREMENTS (TAC NO. ME7221) Dear Mr. Heacock: By letter dated September 21, 2011,1 Dominion Nuclear Connecticut, Inc. (DNC or the licensee), submitted a license amendment request (LAR) for Millstone Power Station, Unit No.2 (MPS2). The proposed change would mOdify Technical Specification 3/4.7.8 "Snubbers," to conform to the revised MPS2 inservice inspection program. The U.S. Nuclear Regulatory Commission staff has reviewed the information provided by the licensee and has determined that additional information is needed in order to complete the review. The NRC staff requests responses to the enclosed questions. The draft questions were sent to Ms. Wanda Craft, of your staff, to ensure that the questions were understandable, the regulatory basis for the questions was clear, and to determine if the information was previously docketed. On February 7,2012, Ms. Craft agreed that DNC would provide a response by March 7,2012. Please note that if you do not respond to this letter by the agreed-upon date or provide an acceptable alternate date in writing, we may reject your application for amendment under the provisions of Title 10 of the Code ofFederal Regulations, Section 2.108. If you have any questions regarding this matter, please contact me at 301-415-1603. Sincerely, IraJ (JHughey for) Carleen J. Sanders, Project Manager Plant Licensing Branch 1-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-336 Enclosure: As stated cc w/encl: Distribution via Listserv 1 Agencywide Document Access and Management System (ADAMS) Accession No. ML 11270A051. Distribution: PUBLIC RidsNrrDorlDpr Resource RidsNrrDorlLpl1-2 Resource RidsNrrLAABaxter Resource RidsNrrPMMilistone Resource RidsAcrsAcnw_MailCTR Resource RidsOgcRp Resource RidsRgn1 MailCenter Resource Branch Reading ADAMS Accession No'.. ML 120380372 OFFICE LPL 1-2/PM LPL1-2/PM LPL 1-2/LA LPL1-2/BC NAME JWhited CSanders (JHughey for) ABaxter MKhanna DATE 02/09/2012 02/09/2012 02/09/2012 02/09/2012..Official Record Copy