ML22286A139: Difference between revisions

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{{#Wiki_filter:;Fr    Dominion V.C. Summer Nuclear Station Bradham Blvd & Hwy 215, Jenkinsville, SC 29065 Mailing Address:
{{#Wiki_filter:V.C. Summer Nuclear Station ;Fr Dominion Bradham Blvd & Hwy 215, Jenkinsville, SC 29065 Mailing Address:,ii Energy P.O. Bo x BB, Jen kinsville, SC 29065 Domin ion Energy.com
P.O. Box BB, Jenkinsvi lle, SC 29065
 
                                                                    ,ii    Energy Domin ion Energy.com October 13, 2022 Attn: Document Control Desk                                       Serial No. 22-323 U. S. Nuclear Regulatory Commission                               VCS LIC/JB Rev 0 Washington , DC 20555-0001                                         Docket No. 50-395 License No. NPF-12 DOMINION ENERGY SOUTH CAROLINA (DESC)
October 13, 2022
VIRGIL C. SUMMER NUCLEAR STATION (VCSNS) UNIT 1 SPECIAL REPORT 2022-005 INOPERABLE RADIATION MONITORING INSTRUMENTATION CHANNEL Dominion Energy South Carolina, Inc. (DESC) hereby submits Special Report 2022-005, pursuant to the requirements of Technical Specification (TS) 6.9.2, as required by Action 30 of TS 3.3.3.1.b, Table 3.3-6, RADIATION MONITORING INSTRUMENTATION, Item 2.d.iii.
 
Attn: Document Control Desk Serial No. 22-323 U. S. Nuclear Regulatory Commission VCS LIC/JB Rev 0 Washington, DC 20555-0001 Docket No. 50-395 License No. NPF-12
 
DOMINION ENERGY SOUTH CAROLINA (DESC)
VIRGIL C. SUMMER NUCLEAR STATION (VCSNS) UNIT 1 SPECIAL REPORT 2022-005 INOPERABLE RADIATION MONITORING INSTRUMENTATION CHANNEL
 
Dominion Energy South Carolina, Inc. (DESC) hereby submits Special Report 2022 - 005, pursuant to the requirements of Technical Specification (TS) 6.9.2, as required by Action 30 of TS 3.3.3. 1.b, Table 3.3 -6, RADIATION MONITORING INSTRUMENTATION, Item 2.d.iii.
 
Purge Exhaust Effluent High Range Radiation Monitor, RM-A14, was declared inoperable on September 30, 2022, at 1100 EDT, due to erroneous indications.
Purge Exhaust Effluent High Range Radiation Monitor, RM-A14, was declared inoperable on September 30, 2022, at 1100 EDT, due to erroneous indications.
RM-A 14 provides radiation monitoring for the Reactor Building Purge Exhaust System as described within Final Safety Analysis Report (FSAR) section 9.4.8.2 .2 Reactor Building Purge Supply and Exhaust System, FSAR Figure 9.4-28, and FSAR section 11.4 Process and Effluent Radiological Monitoring Systems. Upon declaring RM-A 14 inoperable, VCSNS implemented a preplanned alternate method of monitoring in accordance with the requirements of Action 30 of TS Table 3.3-6.
RM-A 14 provides radiation monitoring for the Reactor Building Purge Exhaust System as described within Final Safety Analysis Report (FSAR) section 9.4.8.2.2 Reactor Building Purge Supply and Exhaust System, FSAR Figure 9.4-28, and FSAR section 11.4 Process and Effluent Radiological Monitoring Systems. Upon declaring RM-A 14 inoperable, VCSNS implemented a preplanned alternate method of monitoring in accordance with the requirements of Action 30 of TS Table 3.3 -6.
VCSNS is working parallel paths to restore RM-A 14 to OPERABLE status. If the existing detector or spares cannot be repaired, additional detectors have been ordered and are expected to be received at VCSNS by the end of the year. As such, restoration of RM-A 14 to OPERABLE status is targeted within 90 days of this letter. If additional time is required VCSNS will provide an update to this Special Report.
 
Should you have any questions, please call Michael S. Moore at (803) 345-4752 .
VCSNS is working parallel paths to restore RM -A 14 to OPERABLE status. If the existing detector or spares cannot be repaired, additional detectors have been ordered and are expected to be received at VCSNS by the end of the year. As such, restoration of RM-A 14 to OPERABLE status is targeted within 90 days of this letter. If additional time is required VCSNS will provide an update to this Special Report.
Sincerely, Georg         . Lippard Site Vice President V.C. Summer Nuclear Station
 
Should you have any questions, please call Michael S. Moore at (803) 345 -4752.
 
Sincerely,
 
Georg. Lippard Site Vice President V.C. Summer Nuclear Station Serial No. 22-323 Docket No 50-395 Page 2 of 2
 
Commitments contained in this letter: None


Serial No. 22-323 Docket No 50-395 Page 2 of 2 Commitments contained in this letter: None cc: G. J. Lindamood - Santee Cooper L. Dudes - NRC Region II G. Miller - NRC Project Manager NRC Resident Inspector}}
cc: G. J. Lindamood - Santee Cooper L. Dudes - NRC Region II G. Miller - NRC Project Manager NRC Resident Inspector}}

Latest revision as of 01:57, 16 November 2024

Special Report 2022-005, Inoperable Radiation Monitoring Instrumentation Channel
ML22286A139
Person / Time
Site: Summer South Carolina Electric & Gas Company icon.png
Issue date: 10/13/2022
From: Lippard G
Dominion Energy South Carolina
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
22-323
Download: ML22286A139 (2)
v • d • e


Text

V.C. Summer Nuclear Station ;Fr Dominion Bradham Blvd & Hwy 215, Jenkinsville, SC 29065 Mailing Address:,ii Energy P.O. Bo x BB, Jen kinsville, SC 29065 Domin ion Energy.com

October 13, 2022

Attn: Document Control Desk Serial No.22-323 U. S. Nuclear Regulatory Commission VCS LIC/JB Rev 0 Washington, DC 20555-0001 Docket No. 50-395 License No. NPF-12

DOMINION ENERGY SOUTH CAROLINA (DESC)

VIRGIL C. SUMMER NUCLEAR STATION (VCSNS) UNIT 1 SPECIAL REPORT 2022-005 INOPERABLE RADIATION MONITORING INSTRUMENTATION CHANNEL

Dominion Energy South Carolina, Inc. (DESC) hereby submits Special Report 2022 - 005, pursuant to the requirements of Technical Specification (TS) 6.9.2, as required by Action 30 of TS 3.3.3. 1.b, Table 3.3 -6, RADIATION MONITORING INSTRUMENTATION, Item 2.d.iii.

Purge Exhaust Effluent High Range Radiation Monitor, RM-A14, was declared inoperable on September 30, 2022, at 1100 EDT, due to erroneous indications.

RM-A 14 provides radiation monitoring for the Reactor Building Purge Exhaust System as described within Final Safety Analysis Report (FSAR) section 9.4.8.2.2 Reactor Building Purge Supply and Exhaust System, FSAR Figure 9.4-28, and FSAR section 11.4 Process and Effluent Radiological Monitoring Systems. Upon declaring RM-A 14 inoperable, VCSNS implemented a preplanned alternate method of monitoring in accordance with the requirements of Action 30 of TS Table 3.3 -6.

VCSNS is working parallel paths to restore RM -A 14 to OPERABLE status. If the existing detector or spares cannot be repaired, additional detectors have been ordered and are expected to be received at VCSNS by the end of the year. As such, restoration of RM-A 14 to OPERABLE status is targeted within 90 days of this letter. If additional time is required VCSNS will provide an update to this Special Report.

Should you have any questions, please call Michael S. Moore at (803) 345 -4752.

Sincerely,

Georg. Lippard Site Vice President V.C. Summer Nuclear Station Serial No.22-323 Docket No 50-395 Page 2 of 2

Commitments contained in this letter: None

cc: G. J. Lindamood - Santee Cooper L. Dudes - NRC Region II G. Miller - NRC Project Manager NRC Resident Inspector

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