ML23053A347

Emergency Plan Implementing Procedure Revisions

ML23053A347
Person / Time
Site:	Sequoyah
Issue date:	02/22/2023
From:	Marshall T Tennessee Valley Authority
To:	Office of Nuclear Material Safety and Safeguards, Office of Nuclear Reactor Regulation, Document Control Desk
References
Download: ML23053A347 (1)

Text

Sequoyah Nuclear Plant, Post Office Box 2000, Soddy Daisy, Tennessee 37384

February 22, 2023 10 CFR 50.54(q) 10 CFR 72.44(f)

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, 50-328, and 72-034

Subject:

Emergency Plan Implementing Procedure Revisions

In accordance with the requirements of 10 CFR 50.54(q) and 10 CFR 72.44(f), the Tennessee Valley Authority is submitting a description of changes to the Sequoyah Nuclear Plant (SQN)

Radiological Emergency Plan. The affected documents are the SQN Emergency Plan Implementing Procedures (EPIPs) listed below.

EPIP Revision Title Effective Date(s) 1 59 Emergency Plan Classification Matrix January 31, 2023 2 42 Notification of Unusual Event February 1, 2023 3 44 Alert February 1, 2023 4 46 Site Area Emergency February 1, 2023 5 56 General Emergency February 1, 2023 13 23 Dose Assessment February 15, 2023

The above referenced revisions were evaluated in accordance with 10 CFR 50.54(q)(3) and 10 CFR 72.44(f). It was determined that the changes do not reduce the effectiveness of the Emergency Plan. Details of the revisions are included in the enclosure.

There are no new regulatory commitments contained in this letter. Should you have any questions concerning this submittal, please contact Mr. Paul Gain, Site Emergency Preparedness Manager, at (423) 843-7088.

Respectfully, Marshall, Digitally signed by Marshall, Thomas B.

Thomas B. Date: 2023.02.22 08:32:35

-05'00' Thomas B. Marshall Site Vice President Sequoyah Nuclear Plant

U.S. Nuclear Regulatory Commission Page 2 February 22, 2023

Enclosure:

SQN Units 1 & 2 Description of Revision/Change

cc: NRC Regional Administrator - Region II NRC Senior Resident Inspector - Sequoyah Nuclear Plant NRC Director - Division of Fuel Management, NMSS

ENCLOSURE: SQN UNITS 1 & 2 DESCRIPTION OF REVISION/CHANGE

EPIP-1, Revision 59 x Added 0-TI-328, Design Engineering Numeric Input to the Emergency Preparedness Program as a developmental reference. Also, updated applicable Initiating Conditions (ICs) reference sections to reference the TI, as well as SQN Calculation MDQ000NA2022000001. Other IC references were updated to list calculations in alignment with 0-TI-328.

x Corrected titles of ICs CA1 and CU1 in the IC table of contents to be consistent with changes made in Revision 58.

EPIP-2, Revision 42 x Updated Radiological Release Determination Guidance to align with order in ICS

[Integrated Computer System].

EPIP-3, Revision 44 x Changed step in Attachment 3, Notification of Site Personnel, that removes the requirement to fax information if Vaporstream was used for notification.

x Corrected attachment number in revision log for R43.

x Updated Radiological Release Determination Guidance to align with order in ICS.

EPIP-4, Revision 46 x Changed step in Attachment 3, Notification of Site Personnel, that removes the requirement to fax information if Vaporstream was used for notification.

x Corrected attachment number in revision log for R45.

x Updated Radiological Release Determination Guidance to align with order in ICS.

EPIP-5, Revision 56 x Changed step in Attachment 3, Notification of Site Personnel, that removes the requirement to fax information if Vaporstream was used for notification.

x Corrected attachment number in revision log for R55.

x Updated Radiological Release Determination Guidance to align with order in ICS.

EPIP-13, Revision 23 x Updated all appendices to attachments per the Procedure Writers Guide. This includes all references and cross references in the procedure.

x Removed outdated terminology exosensor from Attachment 4.

x Added calculation, 0-TI-328, to the references.

x Added Attachment 5 to add a new table that includes the updated calibration factor, industry standard, and conversion factor per Engineering Calculation, SQN TIRPS177.

x Added guidance to Attachment 5 to use the new conversion table when necessary.