ML16207A205

Supplemental Information Regarding Proposed Technical Specification Change to Extend the Allowed Completion Time to Restore Essential Raw Cooling Water System Train to Operable Status from 72 Hours to 7 Days

ML16207A205
Person / Time
Site:	Sequoyah
Issue date:	07/22/2016
From:	Shea J W Tennessee Valley Authority
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
CNL-16-121, TAC MF7450, TAC MF7451, TS-SQN-16-01
Download: ML16207A205 (3)

Text

Tennessee Valley Authority, 1101 Market Street, Chattanooga, Tennessee 37402

CNL-16-121

July 22, 2016 10 CFR 50.90

ATTN: Document Control Desk U.S. Nuclear Regulatory Commission Washington, D.C. 20555-0001

Sequoyah Nuclear Plant, Units 1 and 2 Renewed Facility Operating License Nos. DPR-77 and DPR-79 NRC Docket Nos. 50-327 and 328

Subject:

Supplemental Information Regarding Sequoyah Nuclear Plant, Units 1 and 2, Proposed Technical Specification Change to Extend the Allowed Completion Time to Restore Essential Raw Cooling Water System Train to OPERABLE Status from 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> to 7 days (TS-SQN-16-01) (TAC Nos.

MF7450 And MF7451)

References:

1. Letter from TVA to NRC, CNL-16-011, "Sequoyah Nuclear Plant, Units 1 and 2, Proposed Technical Specification Change to Extend the Allowed Completion Time to Restore Essential Raw Cooling Water System Train to OPERABLE Status from 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> to 7 days (TS-SQN-16-01)," dated

March 11, 2016 (ML16071A333)

2. Email from NRC to TVA, "Reques t For Additional Information Sequoyah Nuclear Plant, Units 1 and 2, TS 3.7.8 ERCW Change to Support Shutdown Board Maintenance, (TAC No. MF7450 and MF7451)," dated April 28, 2016

3. Letter from TVA to NRC, CNL-16-086, "Response to Request For Additional Information (RAI) Technical Specifications (TS) 3.7.8 Change - Essential Raw Cooling Water (ERCW) System, (TAC No. MF7450 and MF7451)," dated May 31, 2016 (ML16153A071)

By the Reference 1 letter, Tennessee Valley Authority (TVA) submitted a license amendment request (LAR) to revise Technical Specification (TS) 3.7.8 to extend the Allowed Completion Time to restore Essential Raw Cooling Water System (ERCW) train to OPERABLE status from 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> to 7 days for the Sequoyah Nuclear Plant (SQN) Units 1 and 2. In Reference 2, the NRC provided a Request for Additional Information (RAI) related to the proposed change to TS 3.7.8. In Reference 3, TVA provided the response to the RAI included in the Reference 2 letter. TVA's response included a change to TS 3.7.8 Condition A to clarify that this condition is for planned Shutdown Board maintenance.

U.S. Nuclear Regulatory Commission CNL-16-121

Page 2 July 22, 2016

cc: NRC Regional Administrator - Region II NRC Senior Resident Inspector - Sequoyah Nuclear Plant NRC SQN Project Manager