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{{#Wiki_filter:UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 Mr. Raymond A. Lieb Site Vice President FirstEnergy Nuclear Operating Company Mail Stop A-DB-3080 5501 North State, Route 2 Oak Harbor, OH 43449-9760 November 15, 2013 SUBJECT: DAVIS-BESSE NUCLEAR POWER STATION, UNIT NO. 1-REQUEST FOR ADDITIONAL INFORMATION RELATED TO NOTIFICATION OF IMPRACTICALITY FOR THE THIRD YEAR INTERVAL (TAC NO. MF0750) (L-13-076) Dear Mr. Lieb: By letter dated February 27, 2013 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML 13059A321), FirstEnergy Nuclear Operating Company (FENOC, the licensee) submitted a request for relief (RR-A36) pursuant to Section 50.55a(g)(5)(iii) to Title 10 to the Code of Federal Regulations ( 1 0 CFR) for the Davis-Besse Nuclear Power Station, Unit No. 1. Specifically, the licensee requests relief from the vessel weld and nozzle inner radii examination coverage requirements specified in American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code, Sect1on XI, 1995 Edition through 1996 Addenda and ASME Code Case N-648-1 with applicable conditions defined in Regulatory Guide 1.147. The NRC staff is reviewing your submittal and has determined that additional information is required to complete the review. The specific information requested is addressed in the enclosure to this letter. During a discussion with Mr. Phil Lashley of your staff on October 23, 2013, it was agreed that you would provide a response by November 15, 2013. The NRC staff considers that timely responses to requests for additional information help ensure sufficient time is available for NRC staff review and contribute toward the NRC's goal of efficient and effective use of staff resources. | {{#Wiki_filter:UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 Mr. Raymond A. Lieb Site Vice President FirstEnergy Nuclear Operating Company Mail Stop A-DB-3080 5501 North State, Route 2 Oak Harbor, OH 43449-9760 November 15, 2013 | ||
R. Lieb | |||
==SUBJECT:== | |||
DAVIS-BESSE NUCLEAR POWER STATION, UNIT NO. 1-REQUEST FOR ADDITIONAL INFORMATION RELATED TO NOTIFICATION OF IMPRACTICALITY FOR THE THIRD YEAR INTERVAL (TAC NO. MF0750) (L-13-076) | |||
==Dear Mr. Lieb:== | |||
By letter dated February 27, 2013 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML 13059A321), FirstEnergy Nuclear Operating Company (FENOC, the licensee) submitted a request for relief (RR-A36) pursuant to Section 50.55a(g)(5)(iii) to Title 10 to the Code of Federal Regulations ( 1 0 CFR) for the Davis-Besse Nuclear Power Station, Unit No. 1. Specifically, the licensee requests relief from the vessel weld and nozzle inner radii examination coverage requirements specified in American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code, Sect1on XI, 1995 Edition through 1996 Addenda and ASME Code Case N-648-1 with applicable conditions defined in Regulatory Guide 1.147. The NRC staff is reviewing your submittal and has determined that additional information is required to complete the review. The specific information requested is addressed in the enclosure to this letter. During a discussion with Mr. Phil Lashley of your staff on October 23, 2013, it was agreed that you would provide a response by November 15, 2013. The NRC staff considers that timely responses to requests for additional information help ensure sufficient time is available for NRC staff review and contribute toward the NRC's goal of efficient and effective use of staff resources. | |||
R. Lieb If circumstances result in the need to revise the requested response date, please contact me at (301) 415-2315. Docket No. 50-346 | |||
==Enclosure:== | |||
Request for Additional Information cc wlencl: Distribution via Listserv Sincerely, IRA I Eva A Brown, Senior Project Manager Plant Licensing Branch 111-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation REQUEST FOR ADDITIONAL INFORMATION RR-A36 ALTERNATIVE WELD EXAMINATION COVERAGE DAVIS-BESSE NUCLEAR POWER STATION, UNIT NO.1 FIRSTENERGY NUCLEAR OPERATING COMPANY DOCKET NO. 50-346 1. The recordable indications found by ultrasonic testing in welds RC-RPV-WR-34 and RPV-WR-35 are described as embedded and indicative of slag. Describe the process used to confirm that the defects are embedded and that they are caused by slag and not caused by lack of fusion defects or some other fabrication flaw types. 2. Address whether the indications in welds RC-RPV-WR-34 and RC-RPV-WR-35 are visible on the radiographs of the welds made during construction. 3. Describe the visual testing camera system and lighting used to conduct the enhanced visual resolution demonstrations (EVT-1) tests on the RC-RPV-WR-54/55-W-IR and RPV-WR-54/55-Y-IR nozzle inner radii. 4. Describe the cleaning process used in the EVT-1 examinations for RC-RPV-WR-54/55-W-IR and RC-RPV-WR-54/55-Y-IR. If the nozzles were cleaned, discuss whether the nozzle inner radii were examined prior to cleaning, after cleaning, or both. Enclosure R. Lieb If circumstances result in the need to revise the requested response date, please contact me at (301) 415-2315. Docket No. 50-346 | |||
==Enclosure:== | |||
Request for Additional Information cc wlencl: Distribution via Listserv DISTRIBUTION: PUBLIC RidsNrrPMDavis-BesseResource RidsAcrsAcnw_MaiiCTR Resource SCumblidge CSydnor ADAMS Accession No ML 13310A385 OFFICE LPL3-21PM LPL3-21LA NAME EBrown SRohrer DATE 1117113 1116113 Sincerely, IRA I Eva A. Brown, Senior Project Manager Plant Licensing Branch 111-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation LPL3-2 RIF RidsNrrDeEpnb RidsNrrDorllpl3-2 Resource RidsNrrLASRohrer Resource RidsNrrDeEvib RidsRgn3MaiiCenter Resource EPNBIBC LPL3-21BC Tlupold by e-TTate mail 912512013 11115113 OFFICIAL RECORD COPY | |||
}} | }} |
Revision as of 10:13, 5 April 2018
ML13310A385 | |
Person / Time | |
---|---|
Site: | Davis Besse ![]() |
Issue date: | 11/15/2013 |
From: | Brown E A Plant Licensing Branch III |
To: | Lieb R A FirstEnergy Nuclear Operating Co |
Eva Brown, NRR/DORL 415-2315 | |
References | |
TAC MF0750 | |
Download: ML13310A385 (4) | |
Text
UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 Mr. Raymond A. Lieb Site Vice President FirstEnergy Nuclear Operating Company Mail Stop A-DB-3080 5501 North State, Route 2 Oak Harbor, OH 43449-9760 November 15, 2013
SUBJECT:
DAVIS-BESSE NUCLEAR POWER STATION, UNIT NO. 1-REQUEST FOR ADDITIONAL INFORMATION RELATED TO NOTIFICATION OF IMPRACTICALITY FOR THE THIRD YEAR INTERVAL (TAC NO. MF0750) (L-13-076)
Dear Mr. Lieb:
By letter dated February 27, 2013 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML 13059A321), FirstEnergy Nuclear Operating Company (FENOC, the licensee) submitted a request for relief (RR-A36) pursuant to Section 50.55a(g)(5)(iii) to Title 10 to the Code of Federal Regulations ( 1 0 CFR) for the Davis-Besse Nuclear Power Station, Unit No. 1. Specifically, the licensee requests relief from the vessel weld and nozzle inner radii examination coverage requirements specified in American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code, Sect1on XI, 1995 Edition through 1996 Addenda and ASME Code Case N-648-1 with applicable conditions defined in Regulatory Guide 1.147. The NRC staff is reviewing your submittal and has determined that additional information is required to complete the review. The specific information requested is addressed in the enclosure to this letter. During a discussion with Mr. Phil Lashley of your staff on October 23, 2013, it was agreed that you would provide a response by November 15, 2013. The NRC staff considers that timely responses to requests for additional information help ensure sufficient time is available for NRC staff review and contribute toward the NRC's goal of efficient and effective use of staff resources.
R. Lieb If circumstances result in the need to revise the requested response date, please contact me at (301) 415-2315. Docket No. 50-346
Enclosure:
Request for Additional Information cc wlencl: Distribution via Listserv Sincerely, IRA I Eva A Brown, Senior Project Manager Plant Licensing Branch 111-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation REQUEST FOR ADDITIONAL INFORMATION RR-A36 ALTERNATIVE WELD EXAMINATION COVERAGE DAVIS-BESSE NUCLEAR POWER STATION, UNIT NO.1 FIRSTENERGY NUCLEAR OPERATING COMPANY DOCKET NO. 50-346 1. The recordable indications found by ultrasonic testing in welds RC-RPV-WR-34 and RPV-WR-35 are described as embedded and indicative of slag. Describe the process used to confirm that the defects are embedded and that they are caused by slag and not caused by lack of fusion defects or some other fabrication flaw types. 2. Address whether the indications in welds RC-RPV-WR-34 and RC-RPV-WR-35 are visible on the radiographs of the welds made during construction. 3. Describe the visual testing camera system and lighting used to conduct the enhanced visual resolution demonstrations (EVT-1) tests on the RC-RPV-WR-54/55-W-IR and RPV-WR-54/55-Y-IR nozzle inner radii. 4. Describe the cleaning process used in the EVT-1 examinations for RC-RPV-WR-54/55-W-IR and RC-RPV-WR-54/55-Y-IR. If the nozzles were cleaned, discuss whether the nozzle inner radii were examined prior to cleaning, after cleaning, or both. Enclosure R. Lieb If circumstances result in the need to revise the requested response date, please contact me at (301) 415-2315. Docket No. 50-346
Enclosure:
Request for Additional Information cc wlencl: Distribution via Listserv DISTRIBUTION: PUBLIC RidsNrrPMDavis-BesseResource RidsAcrsAcnw_MaiiCTR Resource SCumblidge CSydnor ADAMS Accession No ML 13310A385 OFFICE LPL3-21PM LPL3-21LA NAME EBrown SRohrer DATE 1117113 1116113 Sincerely, IRA I Eva A. Brown, Senior Project Manager Plant Licensing Branch 111-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation LPL3-2 RIF RidsNrrDeEpnb RidsNrrDorllpl3-2 Resource RidsNrrLASRohrer Resource RidsNrrDeEvib RidsRgn3MaiiCenter Resource EPNBIBC LPL3-21BC Tlupold by e-TTate mail 912512013 11115113 OFFICIAL RECORD COPY