L-2013-281, Preliminary Schedule for GSI-191 Resolution
| ML13283A003 | |
| Person / Time | |
|---|---|
| Site: | Saint Lucie  |
| Issue date: | 09/30/2013 |
| From: | Jensen J Florida Power & Light Co |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| GL 2004-02, GSI-191, L-2013-281 | |
| Download: ML13283A003 (3) | |
Text
September 30, 2013 GL 2004-02 FPL.
GSI-191 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 St. Lucie Units I and 2 Docket Nos.30-335 and 50-389 Preliminary Schedule for GSI-191 Resolution
References:
- 1. Florida Power & Light Company (FPL) letter (L-2013-168) dated May 15, 2013, Path Forward for Resolution of GSI-191 [Accession Number ML13149A269]
- 2. NRC Generic Letter 2004-02: Potential Impact of Debris Blockage on Emergency Recirculation During Design Basis Accident at Pressurized-Water Reactors, dated September 13, 2004 [Accession Number ML042360586]
- 3. U.S. Nuclear Regulatory Commission, Closure Options for Generic Safety Issue - 191, Assessment of Debris Accumulation on Pressurized-Water Reactor Sump Performance, Commission Paper SECY-12-0093, dated July 9, 2013 [Accession Number ML121320270]
By letter dated May 15, 2013 (Reference 1), Florida Power & Light (FPL,) notified the U.S.
Nuclear Regulatory Commission that St. Lucie Units I and 2 had selected Option 2 for resolution of Generic Safety Issue (GSI) 191 (Reference 2), in accordance with the Closure Options specified in Commission Paper SECY-12-0093 (Reference 3). Option 2 includes a Risk-Informed (STP) Approach.
In Reference 1, St. Lucie Units I and 2 committed to submit a preliminary schedule for completion of risk-informed resolution path activities. The preliminary schedule contains key milestone dates for resolution of the issues, and is provided in the enclosure to this letter. This letter contains no new regulatory commitments.
If you have any questions, please contact Eric Katzman, Licensing Manager, at 772-467-7734.
I declare under penalty of perjury that the foregoing is true and correct.
Executed on September bC
, 2013.
Sincerely, J
ensen Site Vice President St. Lucie Plant
Enclosure:
St. Lucie Units I and 2, Preliminary GSI-191 Resolution Schedule ADt Florida Power & Light Company 6501 S. Ocean Drive, Jensen Beach, FL 34957
L-2013-281 Enclosure Page 1 of 2 ENCLOSURE St. Lucie Units I and 2 PRELIMINARY GSI-191 RESOLUTION SCHEDULE 1
Introduction By letter dated May 15, 2013 (Reference 1), FPL, notified the U.S. Nuclear Regulatory Commission that St. Lucie Units I and 2 had selected Option 2 Risk Informed for resolution ofGSI-191, in accordance with the Closure Options specified in Commission Paper SECY-12-0093 (Reference 2). In Reference 1, St. Lucie committed to submit a preliminary schedule for GSI-191 resolution that addresses completion of risk-informed resolution path activities. The preliminary schedule is provided in this enclosure.
2 Milestone Schedule The preliminary schedule provided in this enclosure contains the major milestones for completion of risk-informed resolution path activities. Table 1 presents the major milestones for risk-informed resolution of GSI-191 for St. Lucie Unit 1. Table 2 presents the major milestones for risk-informed resolution of GSI-191 for St. Lucie Unit 2.
Table 1 St. Lucie Unit 1 Risk-Informed Resolution Schedule MILESTONE MILESTONE DATE' Conduct Meeting with NRC Staff Complete September 2013 Modify Plant PRA Model June 2014 Establish Break Frequencies September 2014 Assemble Base Inputs for Analysis Software September 2014 Thermal Hydraulics Modeling December 2014 Strainer Head Loss/Bypass Testing March 2015 Chemical Effects Testing March 2015 Finalize Analysis Software Inputs June 2015 Perform Sensitivity Analysis September 2015 Determine ACDF and ALERF December 2015 Submit LAR for Risk-Informed Approach June 2016 Receive SE for Risk-Informed Approach June 2018 Modification Packages Prepared' March 2019 Modifications Installed2 November 2019 Licensing Basis Updated December 2019 1 Milestone Dates are subject to change as implementation details are developed.
2 Modifications identified in the License Amendment Request
L-2013-281 Enclosure Page 2 of 2 Table 2 St. Lucie Unit 2 Risk-Informed Resolution Schedule MILESTONE MILESTONE DATE' Conduct Meeting with NRC Staff Complete September 2013 Modify Plant PRA Model June 2014 Establish Break Frequencies September 2014 Assemble Base Inputs for Analysis Software September 2014 Thermal Hydraulics Modeling December 2014 Strainer Head Loss/Bypass Testing March 2015 Chemical Effects Testing March 2015 Finalize Analysis Software Inputs September 2015 Perform Sensitivity Analysis December 2015 Determine ACDF and ALERF March 2016 Submit LAR for Risk-Informed Approach September 2016 Receive SE for Risk-Informed Approach September 2018 Modification Package Prepared2 December 2017 Modifications Installed2 November 2019 Supplemental Modification Package Prepared3 June 2019
-Supplemental Modifications Installed3 March 2020 Licensing Basis Updated April 2020 Milestone Dates are subject to change as implementation details are developed.
2 Modifications identified in the License Amendment Request 3 Potential modifications identified during the License Amendment approval process 3
References
- 1. Florida Power & Light Company (FPL) letter (L-2013-168) dated May 15, 2013, Path Forward for Resolution of GSI-191 [Accession Number ML13149A269]
- 2. U.S. Nuclear Regulatory Commission, Closure Options for Generic Safety Issue - 191, Assessment of Debris Accumulation on Pressurized-Water Reactor Sump Performance, Commission Paper SECY-12-0093, dated July 9, 2013 [Accession Number ML121320270]