ML093441075
| ML093441075 | |
| Person / Time | |
|---|---|
| Site: | Millstone  |
| Issue date: | 12/23/2009 |
| From: | Sanders C Plant Licensing Branch 1 |
| To: | Heacock D Dominion Nuclear Connecticut |
| Sandeers, Carleen, NRR/DORL, 415-1603 | |
| References | |
| TAC ME21285, FOIA/PA-2011-0115 | |
| Download: ML093441075 (3) | |
Text
UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555*0001 December 23, 2009 Mr. David A. Heacock President and Chief Nuclear Officer Dominion Nuclear Connecticut, Inc.
Innsbrook Technical Center 5000 Dominion Boulevard Glen Allen, VA 23060-6711
SUBJECT:
MILLSTONE POWER STATION, UNIT NO.3 - REQUEST FOR ADDITIONAL INFORMATION REGARDING RELIEF REQUEST IR-3-13 PROPOSED ALTERNATIVE FOR DISSIMILAR METAL WELD EXAMINATION DEPTH SIZING REQUIREMENTS (TAC NO. ME2125)
Dear Mr. Heacock:
By letter dated August 19, 2009 (Agencywide Documents Access and Management System Accession No. ML092370296), Dominion Nuclear Connecticut, Inc. (DNC or the licensee),
submitted Relief Request IR-3-13 for Millstone Power Station, Unit NO.3. DNC requested relief from certain examination requirements of the American Society of Mechanical Engineers Boiler and Pressure Vessel Code (ASME Code),Section XI, for the third 10-year in-service inspection (lSI) interval which began on April 23, 2009, and is scheduled to end on April 22, 2019. The request, IR-3-13, pertains to the use of an alternative to the ASME,Section XI, dissimilar metal weld examination depth-sizing requirements. The Nuclear Regulatory Commission staff has reviewed the information provided and has determined that additional information is needed in order to complete its review.
The draft questions were sent to Mr. William Bartron, 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 December 23, 2009, Mr. Bartron agreed that you would provide a response by January 28, 2010.
If you have any questions regarding this matter, please contact me at 301-415-1603.
7!::t
/j Carleen J ~nder",~~ager Plant Lic ing Branch 1-2 Division 0 perating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-423
Enclosure:
As stated cc w/encl: Distribution via Listserv
REQUEST FOR ADDITIONAL INFORMATION REQUEST IR-3-13 PROPOSED ALTERNATIVE RELATED TO ALTERNATIVE DISSIMILAR METAL WELD EXAMINATION DEPTH-SIZING REQUIREMENTS DOMINION NUCLEAR CONNECTICUT, INC.
MILLSTONE POWER STATION, UNIT NO.3 DOCKET NUMBER 50-423 By letter dated August 19, 2009 (Agencywide Documents Access and Management System Accession No. ML092370296), Dominion Nuclear Connecticut, Inc. (DNC or the licensee),
submitted Relief Request IR-3-13 for Millstone Power Station, Unit NO.3. DNC requested relief from certain examination requirements of the American Society of Mechanical Engineers Boiler and Pressure Vessel Code (ASME Code),Section XI, for the third 10-year in-service inspection (lSI) interval which began on April 23, 2009, and is scheduled to end on April 22, 2019. The request, IR-3-13, pertains to the use of an alternative to the ASME,Section XI, dissimilar metal weld examination depth-sizing requirements. To complete its review, the Nuclear Regulatory Commission staff requests responses to the questions presented below.
- 1.
IR-3-13, Section 1.0(c), indicates that the applicable Code Category is "B-P as required by Code Case N-722." However, Code Case N-722 does not cite any Code Category.
Please clarify IR-3-13 to reflect that the examinations, for which an alternative is being requested, are for ASIVIE Code,Section XI, Code Case N-722 Item Numbers B15.90 and B15.95.
- 2.
Is the request intended to address the depth sizing requirements of Section XI, Appendix VII', as they pertain to Table IWB-2500, Examination Category B-F and, potentially, B-J welds? Please clarify IR-3-13 to reflect this aspect of the request.
Enclosure
December 23, 2009 Mr. David A. Heacock President and Chief Nuclear Officer Dominion Nuclear Connecticut, Inc.
Innsbrook Technical Center 5000 Dominion Boulevard Glen Allen, VA 23060-6711
SUBJECT:
MILLSTONE POWER STATION, UNIT NO.3 - REQUEST FOR ADDITIONAL INFORMATION REGARDING RELIEF REQUEST IR-3-13 PROPOSED ALTERNATIVE FOR DISSIMILAR METAL WELD EXAMINATION DEPTH SIZING REQUIREMENTS (TAC NO. ME2125)
Dear Mr. Heacock:
By letter dated August 19, 2009 (Agencywide Documents Access and Management System Accession No. ML092370296), Dominion Nuclear Connecticut, Inc. (DNC or the licensee),
submitted Relief Request IR-3-13 for Millstone Power Station, Unit NO.3. DNC requested relief from certain examination requirements of the American Society of Mechanical Engineers Boiler and Pressure Vessel Code (ASME Code),Section XI, for the third 1O-year in-service inspection (lSI) interval which began on April 23, 2009, and is scheduled to end on April 22, 2019. The request, IR-3-13, pertains to the use of an alternative to the ASME,Section XI, dissimilar metal weld examination depth-sizing requirements. The Nuclear Regulatory Commission staff has reviewed the information provided and has determined that additional information is needed in order to complete its review.
The draft questions were sent to Mr. William Bartron, 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 December 23, 2009, Mr. Bartron agreed that you would provide a response by January 28, 2010.
If you have any questions regarding this matter, please contact me at 301-415-1603.
Sincerely, Ira!
Carleen J. Sanders, Project Manager Plant Licensing Branch 1-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-423
Enclosure:
As stated cc w/encl: Distribution via Listserv Distribution:
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HChernoff DATE 12/23/09 12/15/09 11/17/2009 12/23/09 Official Record Copy