GO2-19-123, Supplemental Information Related to Exigent License Amendment Request for Change to Technical Specification 3.8.7 Distribution Systems-Operating

Supplemental Information Related to Exigent License Amendment Request for Change to Technical Specification 3.8.7 Distribution Systems-Operating

ML19231A387
Person / Time
Site:	Columbia
Issue date:	08/19/2019
From:	Schuetz R Energy Northwest
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
GO2-19-123
Download: ML19231A387 (7)

Text

R. E. Schuetz Columbia Generating Station P.O. Box 968, PE 23 Richland, WA 99352

-0968 Ph. 509.377.

2425 l F. 509.377.4150 reschuetz@energy

-northwest.com

August 19, 2019

GO2-19-123 10 CFR 50.90 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555

-0001

Subject:

COLUMBIA GENERATING STATION, DOCKET NO.

50-397 SUPPLEMENTAL INFORMATION RELATED TO EXIGENT LICENSE AMENDMENT REQUEST FOR CHANGE TO TECHNICAL SPECIFICATION 3.8.7 DISTRIBUTION SYSTEMS-OPERATING

References:

1. Letter from R.E. Schuetz, Energy Northwest to NRC, Exigent License Amendment Request for Change to Technical Specification 3.8.7 Distribution Systems - Operating, dated August 15, 2019 (ADAMS Accession Number ML19227A370)

2. Letter from R.E. Schuetz, Energy Northwest to NRC , Supplemental Information Related to Exigent License Amendment Request for Change to Technical Specification 3.8.7 Distribution Systems

-Operating, dated August 16, 2019 (ADAMS Accession Number ML19228A291)

Dear Sir or Madam:

By reference 1, Energy Northwest submitted an exigent license amendment request (LAR) to revise the Columbia Generating Station (Columbia) Technical Specification (TS) 3.8.7 Distribution Systems - Operating. By reference 2, Energy Northwest submitted supplemental information to the reference 1 LAR. This amendment requested to add a one

-time extension of the Completion Time of TS Action 3.8.7.A associated with Division 1 Alternating Current (AC) electrical power distribution inoperability. The enclosure to this letter contains the supplemental information.

The No Significant Hazards Consideration Determination (NSHCD) provided in the original submittal is not altered by this submittal. The proposed change in the enclosure does not alter the information or conclusions provided in reference 2. No new commitments are being made by this letter or the enclosure.

If there are any questions or if additional information is needed, please contact Mr. R. M Garcia, Licensing Supervisor at 509

-377-8463.

1 The CT for Required Action A.1 may be extended up to 16 hours1.851852e-4 days <br />0.00444 hours <br />2.645503e-5 weeks <br />6.088e-6 months <br /> to support restoration of E-PP-7AF following work to repair/replace its supply transformer E-TR-7A/2. Upon successful restoration of E-PP-7AF following the repair of E-TR-7 A/2, this footnote is no longer applicable and will expire at 0800 PST on September 14, 2019

1 The CT for Required Action A.1 may be extended up to 16 hours1.851852e-4 days <br />0.00444 hours <br />2.645503e-5 weeks <br />6.088e-6 months <br /> to support restoration of E-PP-7AF following work to repair/replace its supply transformer E-TR-7A/2. Upon successful restoration of E-PP-7AF following the repair of E-TR-7A/2, this footnote is no longer applicable and will expire at 0800 PST on September 14, 2019

1 The CT for Required Action A.1 may be extended up to 16 hours1.851852e-4 days <br />0.00444 hours <br />2.645503e-5 weeks <br />6.088e-6 months <br /> to support restoration of E-PP-7AF following work to repair/replace its supply transformer E-TR-7A/2. Upon successful restoration of E-PP-7AF following the repair of E-TR-7A/2, this footnote is no longer applicable and will expire at 0800 PST on September 14, 2019