ML21272A168

License Amendment Request for Adoption of Alternate Source Term and Revision of Technical Specifications

ML21272A168
Person / Time
Site:	Callaway
Issue date:	09/28/2021
From:	Banker S Ameren Missouri, Union Electric Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
Shared Package
ML21272A167	List: ML21272A168 ML21272A170 ML21272A171 ML21272A172 ML21272A173 ULNRC-06636, Enclosure 6 - FSAR Markups (for Information Only)
References
ULNRC-06636
Download: ML21272A168 (5)

Text

SENSITIVE INFORMATION - WITHHOLD FROM PUBLIC DISCLOSURE

I 1 n fVD LiINT1DD I V LI 1 L J YV Callaway Plant MISSOURI September 28, 2021 ULNRC-06636 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555 10 CFR 50.67 10 CFR 50.90 10 CFR 2.390 Ladies and Gentlemen:

DOCKET NUMBER 50-483 CALLAWAY PLANT uNIT 1 UNION ELECTRIC CO.

RENEWED FACILITY OPERATING LICENSE NPF-30 LICENSE AMENDMENT REQUEST FOR ADOPTION OF ALTERNATE SOURCE TERM AND REVISION OF TECHNICAL SPECIFICATIONS

References:

NRC letter dated April 1 6, 202 1 Summary of March 1 5, 202 1 Teleconference with Union Electric Company Regarding Proposed License Amendment Request to Implement Alternative Source Term for Callaway Plant Unit No. 1 tEPID L-2021-LRM-0020)

(ADAMS Accession No. ML21103A003)

Pursuant to 10 CFR 50.90, Application for amendment of license, construction permit, or early site permit, and 1 0 CFR 50.67, Alternate Source Term, Ameren Missouri (Union Electric) hereby requests an amendment to Renewed Facility Operating License No. NPF-30 for the Callaway Plant to incorporate the Alternate Source Term (AST) dose analysis methodology into its licensing basis and to revise Technical Specification (TS) 3 .7. 10, Control Room Emergency Ventilation System (CREVS),

TS 5.5.1 1, Ventilation Filter Testing Program (VFTP), and TS 5.5. 17, Control Room Envelope Habitability Program.

Information essential to approving this request to adopt the AST dose analysis methodology, including the basis for the proposed TS changes, is provided in the enclosures to this letter. Specifically, Enclosure 1 provides an evaluation ofthe requested changes and includes attachments that summarize Callaways conformance with applicable regulatory guidance for adoption of the AST and associated dose analyses. It should be noted that Enclosure 1 contains security sensitive information that is to be withheld from public disclosure pursuant to 10 CFR 2.390. A redacted version ofEnclosure 1 is thus Enclosure 1 to this letter contains sensitive information.

Withhold from public disclosure under 10 CFR 2.390(a)(4).

Upon removal of Enclosure 1 this letter is uncontrolled SENSITIVE INFORMATION WITHHOLD FROM PUBLIC DISCLOSURE UNDER 10 CFR 2.390 83 1 5 Countr Road 159 SteediTian, 1\IO 65077 : i\iiiereni\Iissouri.com

ULNRC-06636 SENSITIVE NFORMATION WITHHOLD FROM PUBLIC DISCLOSURE September 28, 2021 UNDER 10 CFR 2.390 Page 2 of 5 provided as Enclosure 2. Enclosure 3 provides the proposed IS changes in the form of marked-up pages from the Callaway Plant Technical Specifications, and Enclosure 4 provides those changes in the form of clean (revised) pages. Enclosure 5 provides the proposed IS Bases changes in the form of marked-up pages, which are provided for information only. (The TS Bases changes will be processed in accordance with T$ 5.5.14, Technical Specification (TS) Bases Control Program.)

Enclosure 6 provides the proposed FSAR changes, also for information only.

Evaluation ofthis amendment application pursuant to 10 CFR 50.92, Issuance of amendment, has determined that the application does not involve a significant hazard consideration. It should also be noted that review ofthis amendment application pursuant to 10 CFR 50.54(q) has determined that no changes to the Radiological Emergency Response Plan requiring prior NRC approval are required.

It may be noted that this request for license amendment was discussed with the NRC staff in a public pre-submittal meeting (telephone conference) conducted on March 1 5, 2021 as summarized in the Reference identified on page 1 of this letter.

In may also be noted that this amendment application was reviewed by the Onsite Review Committee, and in accordance with 1 0 CFR 50.91 Notice for public comment; State consultation, Section (b)(l), a copy ofthis amendment application is being provided to the designated Missouri State official.

Ameren Missouri requests approval ofthis license amendment request prior to September 30, 2022. It is anticipated that the license amendment, as approved, will be effective upon issuance and will be implemented within 120 days from the date of issuance.

for questions concerning this matter, please contact Mr. Tom Elwood at 314-225-1905.

I declare under penalty ofperjury that the foregoing is true and correct.

Sincerely, Executed on 7/, 2&t (

rxkL

ç StephaniP. Banker Vice President, Nuclear Engineering and Support Enclosure 1 to this letter contains sensitive information.

Withhold from public disclosure under 10 CFR 2.390(a)(4).

Upon removal of Enclosure 1 , this letter is uncontrolled SENSITIVE INFORMATION WITHHOLD FROM PUBLIC DISCLOSURE UNDER 10 CFR 2.390

ULNRC-06636 SENSITIVE INFORMATION WITHHOLD FROM PUBLIC DISCLOSURE September 28, 2021 UNDER 10 CFR 2.390 Page 3 of 5

Enclosures:

1 Evaluation of Proposed Changes*

2. Evaluation of Proposed Changes (Redacted) 3 Proposed Technical Specification Changes (Mark-up)

4. Revised Technical Specification Pages

5. Proposed TS Bases Changes (for information only)

6. FSAR Markups (for information only)

• Enclosure contains security sensitive information.

Enclosure 1 to this letter contains sensitive information.

Withhold from public disclosure under 10 CFR 2.390(a)(4).

Upon removal of Enclosure 1 this letter is uncontrolled SENSITIVE INFORMATION - WITHHOLD FROM PUBLIC DISCLOSURE UNDER 10 CFR 2.390

ULNRC-06636 SENSITIVE INFORMATION WITHHOLD FROM PUBLIC DISCLOSURE September 28, 2021 UNDER 1 0 CFR 2.3 90 Page 4 of 5 cc: Mr. Scott A. Morris Regional Administrator U. S. Nuclear Regulatory Commission Region IV 1600 East Lamar Boulevard Arlington, TX 76011-4511 Senior Resident Inspector Callaway Resident Office U.S. Nuclear Regulatory Commission 8201 NRC Road Steedman, MO 65077 Mr. M. Chawla Project Manager, Callaway Plant Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Mail Stop 08B1A Washington, DC 20555-000 1 Enclosure 1 to this letter contains sensitive information.

Withhold from public disclosure under 10 CFR 2.390(a)(4).

Upon removal of Enclosure 1 , this letter is uncontrolled SENSITIVE INFORMATION - WITHHOLD FROM PUBLIC DISCLOSURE UNDER 10 CFR 2.390

ULNRC-06636 SENSITIVE INFORMATION WITHHOLD FROM PUBLIC DISCLOSURE September 28, 2021 UNDER 10 CFR 2.390 Page 5 of 5 Index and send hardcopy to QA File A160.0761 Hardcopy:

Certrec Corporation 6500 Western Place, Suite 400 Fort Worth, TX 76116

( Certrec receives ALL attachments as long as they are non-safeguards and may be publicly disclosed.)

Electronic distribution for the following can be made via Tech Spec ULNRC Distribution:

F. M. Diya B. L. Cox S. P. Banker S. G. Kovaleski J. S. Geyer S. J. Meyer T. B. Elwood B. D. Richardson ORC Secretary Corporate Communications NSRB Secretary STARS Regulatory Affairs Mr. Jay Silberg (Pillsbury Winthrop Shaw Pittman LLP)

Missouri Public Service Commission Ms. Katie Jo Wheeler (DNR)

Enclosure 1 to this letter contains sensitive information.

Withhold from public disclosure under 10 CFR 2.390(a)(4).

Upon removal of Enclosure 1 this letter is uncontrolled SENSITiVE INFORMATION - WITHHOLD FROM PUBLIC DISCLOSURE UNDER 10 CFR 2.390