CP-202000584, (CPNPP) - Supplement to License Amendment Request (LAR) 15-001, Revision to Technical Specification (TS) 3.8.l, AC SOURCES-OPERATING
| ML20344A441 | |
| Person / Time | |
|---|---|
| Site: | Comanche Peak  |
| Issue date: | 12/09/2020 |
| From: | Thomas McCool Luminant, Vistra Operations Company |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| CP-202000584, TXX-20088 | |
| Download: ML20344A441 (3) | |
Text
m Thomas P. McCool Site Vice President Luminant Comanche Peak Nuclear Power Plant (Vistra Operations Company LLC)
P.O. Box 1002 CP-202000584 TXX-20088 December 9, 2020 U.S. Nuclear Regulatory Commission A TIN: Document Control Desk Washington, DC 20555-0001
Subject:
Comanche Peak Nuclear Power Plant (CPNPP)
Docket Nos. 50-445 and 50-446 Supplement to License Amendment Request (LAR)15-001, 6322 North FM 56 Glen Rose, TX 76043 T 254.897.6042 Ref 10 CFR 50.90 10 CFR 50.91(b)(l)
Revision to Technical Specification (TS) 3.8.l, "AC SOURCES-- OPERATING"
Reference:
- 1.
Letter TXX-19064 from Thomas P. McCool to the NRC "License Amendment
Dear Sir or Madam:
Request (LAR)15-001, Revision to Technical Specification (TS) 3.8.1, "AC SOURCES--
OPERATING," dated March 31, 2020 (ML20091H586)
Pursuant to 10 CFR 50.90, Vistra Operations Company LLC (Vistra OpCo) hereby submits a supplement to the license amendment request for the Comanche Peak Nuclear Power Plant (CPNPP)
Unit 1 and Unit 2 Technical Specifications in connection to LAR 15-001, Revision to TS 3.8.1, AC Sources
-- Operating requested in Reference 1.
The following items describe the supplemental changes to Enclosure of Reference 1 based on communications between the Nuclear Regulatory Commission and Vistra OpCo on September 29, 2020.
- l. Section 2.2.1, TS 3.8.1 Surveillance Requirements witlz a specified Diesel Generator frequenctJ band of the original Enclosure was revised to include SR 3.8.1.12 in the bulleted list of surveillance requirements.
- 2.
Section 2.4.1, TS 3.8.1 Surveillance Requirements with a specified Diesel Generator frequenctJ band of the original Enclosure was revised to include SR 3.8.1.12 in the bulleted list of surveillance requirements.
- 3.
Section 2.4.1, TS 3.8.1 Surveillance Requirements with a specified Diesel Generator frequenctJ band of the original Enclosure was also revised to replace < and > with ~ and ~ for consistency of symbol usage throughout the license amendment request. to TXX-20088 provides updated Sections 2.2.1and2.4.l which replace Sections 2.2.1 and 2.4.1 of the Enclosure to Reference 1 (TXX-19064). The changes described above are noted by vertical change bars in the right margin of Enclosure 1 to TXX-20088.
TXX-20088 Page 2 of 2 In accordance with 10 CFR 50.91(b)(l), a copy of the supplement for the proposed license amendment is being forwarded to the State of Texas.
Vistra OpCo has determined that this supplement does not change the No Significant Hazards Consideration provided in the Enclosure submitted by Reference 1.
This letter contains no new regulatory commitments.
Should you have any questions, please contact Carl Corbin at (254) 897-0121 or carl.corbin@luminant.com.
I state under penalty of perjury that the foregoing is true and correct.
Executed on December 9, 2020.
Thomas P. McCool
Enclosure:
- 1.
Revised Section 2.2.1 and Section 2.4.1 of Enclosure to TXX-19064 (ML20091H586) c (email) -
Scott Morris, Region IV [Scott.Morris@mc.gov]
Dennis Galvin, NRR [Dennis.Galvin@mc.gov]
John Ellegood, Senior Resident Inspector, CPNPP Oohn.Ellegood@nrc.gov]
Neil Day, Resident Inspector, CPNPP [Neil.Day@nrc.gov]
Mr. Robert Free [robert.free@dshs.state.tx.us]
Environmental Monitoring & Emergency Response Manager Texas Department of State Health Services Mail Code 1986 P.O. Box 149347 Austin, TX 78714-9347 to TXX-20088 Revised Section 2.2.1 and Section 2.4.1 of Enclosure to TXX-19064 (ML20091H586)
Section 2.2.1 and Section 2.4.1 below replace Section 2.2.1 and Section 2.4.1 of the Enclosure to TXX-19064 (ML20091H586).
2.2.1 TS 3.8.1 Surveillance Requirements with a specified Diesel Generator frequency band The current acceptance criteria for the following SRs includes a diesel generator frequency band of"~ 58.8 Hz and~ 61.2 Hz:"
3.8.1.2 (DG Monthly Slow Start) 3.8.1.7 (DG Semi-annual Fast Start) 3.8.1.11 (Emergency Bus Load Shed, DG Start, Sequence and Run on Loss of Offsite Power) 3.8.1.12 (DG Safety Injection Auto Start) 3.8.1.15 (DG Hot Restart) 3.8.1.19 (Emergency Bus Load Shed, DG Start, Sequence and Run on Safety Injection in Conjunction with Loss of Offsite Power) 3.8.1.20 (Simultaneous Start of Both DGs) 2.4.1 TS 3.8.1 Surveillance Requirements with a specified Diesel Generator frequency band The current acceptance criteria for the following SRs includes a diesel generator frequency band of"~ 58.8 Hz and~ 61.2 Hz:"
3.8.1.2 (DG Monthly Slow Start) 3.8.1.7 (DG Semi-annual Fast Start) 3.8.1.11 (Emergency Bus Load Shed, DG Start, Sequence and Run on Loss of Offsite Power) 3.8.1.12 (DG Safety Injection Auto Start) 3.8.1.15 (DG Hot Restart) 3.8.1.19 (Emergency Bus Load Shed, DG Start, Sequence and Run on Safety Injection in Conjunction with Loss of Offsite Power) 3.8.1.20 (Simultaneous Start of Both DGs)
LAR 15-001 proposes to change the diesel generator frequency band from "~ 58.8 Hz and ~ 61.2 Hz" to "~ 59.9 Hz and ~ 60.1 Hz" for the SRs listed above.
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