ML102930347
| ML102930347 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 10/21/2010 |
| From: | Peter Bamford Plant Licensing Branch 1 |
| To: | Pacilio M Exelon Generation Co |
| Bamford, Peter J., NRR/DORL 415-2833 | |
| References | |
| TAC ME4519, I4R-02 | |
| Download: ML102930347 (2) | |
Text
UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 October 21, 2010 Mr. Michael J. Pacilio President and Chief Nuclear Officer Exelon Generation Company, LLC 4300 Winfield Road Warrenville, IL 60555 SUB,JECT:
THREE MILE ISLAND NUCLEAR STATION, UNIT 1 - ACCEPTANCE OF REQUESTED LICENSING ACTION RE: REQUEST FOR RELIEF 14R-02, FOURTH INSERVICE INSPECTION INTERVAL, ALTERNATE RISK INFORMED SELECTION AND EXAMINATION CRITERIA FOR PRESSURE RETAINING WELDS (TAC NO. ME4519)
Dear Mr. Pacilio:
By letter dated August 10, 2010, (Agencywide Documents Access and Management System (ADAMS) Accession Number ML102290162), Exelon Generation Company, LLC (Exelon) submitted a package of six relief requests associated with the fourth inservice inspection (lSI) interval for Three Mile Island Nuclear Station, Unit 1 (TMJ-1). Relief Request 14R-02 requests approval for alternate risk-informed selection and examination criteria for certain pressure retaining piping welds in lieu of meeting requirements specified in the code of record for the TMI-1 fourth lSI interval. The fourth interval program is based on the American Society of Mechanical Engineers, Boiler and Pressure Vessel Code,Section XI, 2004 Edition, no Addenda.
By letter dated October 8, 2010, (ADAMS Accession Number ML102810630), the relief request was supplemented by Exelon in response to a request for clarification from the U.S. Nuclear Regulatory Commission (NRC) staff (ADAMS Accession Number ML102640613). The purpose of this letter is to provide the results of the NRC staff's acceptance review of this relief request.
The NRC staff has reviewed your application, including the supplement dated October 8,2010, and concluded that it does provide technical information in sufficient detail to enable the staff to proceed with its detailed technical review and make an independent assessment regarding the acceptability of the proposed relief request in terms of regulatory requirements and the protection of public health and safety and the environment. If additional information is needed for the staff to complete its technical review, you will be advised by separate correspondence.
Please contact me at 301-415-2833, if you have any questions.
SdJ~~
Peter Bamford, Project Manager Plant Licensing Branch 1-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-289 cc: Distribution via Listserv
October 21, 2010 Mr. Michael J. Pacilio President and Chief Nuclear Officer Exelon Generation Company, LLC 4300 Winfield Road Warrenville, IL 60555
SUBJECT:
THREE MILE ISLAND NUCLEAR STATION, UNIT 1 - ACCEPTANCE OF REQUESTED LICENSING ACTION RE: REQUEST FOR RELIEF 14R-02, FOURTH INSERVICE INSPECTION INTERVAL, ALTERNATE RISK INFORMED SELECTION AND EXAMINATION CRITERIA FOR PRESSURE RETAINING WELDS (TAC NO. ME4519)
Dear Mr. Pacilio:
By letter dated August 10, 2010, (Agencywide Documents Access and Management System (ADAMS) Accession Number ML102290162), Exelon Generation Company, LLC (Exelon) submitted a package of six relief requests associated with the fourth inservice inspection (lSI) interval for Three Mile Island Nuclear Station, Unit 1 (TMI-1). Relief Request 14R-02 requests approval for alternate risk-informed selection and examination criteria for certain pressure retaining piping welds in lieu of meeting requirements specified in the code of record for the TMI-1 fourth lSI interval. The fourth interval program is based on the American Society of Mechanical Engineers, Boiler and Pressure Vessel Code,Section XI, 2004 Edition, no Addenda.
By letter dated October 8, 2010, (ADAMS Accession Number ML102810630), the relief request was supplemented by Exelon in response to a request for clarification from the U.S. Nuclear Regulatory Commission (NRC) staff (ADAMS Accession Number ML102640613). The purpose of this letter is to provide the results of the NRC staff's acceptance review of this relief request.
The NRC staff has reviewed your application, including the supplement dated October 8, 2010, and concluded that it does provide technical information in sufficient detail to enable the staff to proceed with its detailed technical review and make an independent assessment regarding the acceptability of the proposed relief request in terms of regulatory requirements and the protection of public health and safety and the environment. If additional information is needed for the staff to complete its technical review, you will be advised by separate correspondence.
Please contact me at 301-415-2833, if you have any questions.
Sincerely,
/raJ Peter Bamford, Project Manager Plant Licensing Branch 1-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-289 cc: Distribution via Listserv DISTRIBUTION:
PUBLIC RidsOgcRp Resource LPLI-2 RtF RidsAcrsAcnw_MailCTR Resource RidsNrrPMThreeMilelsland Resource DChung, NRR RidsNrrDorlLpl1-2 Resource RidsRgn1MailCenter Resource RidsNrrDorlDpr Resource RidsNrrLAABaxter Resource SDinsmore, NRR KHoffman, NRR ADAMS Accession Number" ML102930347 OFFICE LPLI-2/PM LPLI-2/PM LPLI*2/LA LPLI-2/BC NAME JWhited PBamford ABaxter HChernoff DATE 10/21/10 10/21110 10/21110 10/21110 OFFICIAL RECORD COPY