ML20085F861

Corrected Drawing for One-Line Electric Power Supply for Lasalle Hardened Containment Vent System (HCVS) Final Integrated Plan (FIP)

ML20085F861
Person / Time
Site:	LaSalle
Issue date:	03/24/2020
From:	Washko J Exelon Generation Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
RA20-016
Download: ML20085F861 (4)

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- , L..c::h:>Clllt: VVUI ILY .::>LelLIUI I Exelon Generation@ 2601 North 21 " Road Marseilles , IL 61341 815-415-2000 Telephone www.exeloncorp.com RA20-016 10 CFR 50.9 March 24, 2020 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 LaSalle County Station, Unit 1 and Unit 2 Renewed Facility Operating License No. NFP-11 and NPF-18 NRC Docket No. 50-373 and 50-374

Subject:

Corrected drawing for one-line electrical power supply for LaSalle Hardened Containment Vent System (HCVS) Final Integrated Plan (FIP)

Reference:

Exelon letter to NRC, Report of Full Compliance with Phase 1 and Phase 2 of June 6, 2013 Commission Order Modifying Licenses with Regard to Reliable Hardened Containment Vents Capable of Operation Under Severe Accident Conditions (Order EA-13-109), dated December 14, 2018 (ML183488252)

In accordance with 10 CFR 50.9, "Completeness and accuracy of information" LaSalle County Station (LSCS) is providing a corrected drawing for the HCVS FIP report previously communicated to NRC by letter dated December 14, 2018. While reviewing portions of LaSalle Station's FIP for the HCVS, it was discovered that the incorrect diagram was submitted in Attachment 3. The attachment is labeled as the "One Line Diagram of HCVS Electrical Power Supply." The drawing that should have been submitted in that attachment is 1E-0-4000FA, enclosed with this letter.

There are no regulatory commitments contained within this letter.

Should you have any questions concerning this letter, please contact Mr. Dan Mearhoff, Regulatory Assurance Manager, at (815) 415-2800.

Respectfully, Jom:~

Site Vice President LaSalle County Station Attachments: Drawing 1E-0-4000FA, revision A, Key Diagram Hardened Containment Vent System (HCVS) 125VDC Distribution Panel ODC52E cc: NRC Senior Resident Inspector - LaSalle County Station

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3/13/2020 NewCAP2 AR 04296569 Report Status: APPROVED Due Date: 03/18/2020 Event Date: 11 /11/2019 Origination Date: 11/12/2019 Affected Facility. LASALLE Affected Unit: NOT APPLICABLE Affected System: NO SYSTEM GENERATING IMPACT STATION AR Type: CR Owed To: REG ASSURANCE CR Level/Class: 4/D CAP EVAL How Discovered: SELF-IDENTIFIED WR:

ACTION REQUEST DETAILS

Subject:

INCORRECT DIAGRAM SUBMITTED WITH HCVS FINAL INTEGRATED PLAN

Description:

Originator: ANDREW R WARREN Supv Contacted: McBreen, Harcharick, Mearhoff Condition

Description:

While reviewing portions of LaSalle Station's Final Integrated Plan (FIP) for the hardened containment vent system (HCVS), it was discovered that the incorrect diagram was submitted in Attachment 3. The attachment is labeled as the one-line diagram of HCVS electrical power supply. The drawing that should have been submitted in that attachment is 1E-0-4000FA.

Immediate actions taken:

Contacted Supervisor, Program Engineer and Reg Assurance Manager. Wrote IR.

Recommended Actions:

Action to Reg Assurance to submit supplement to FIP.

List of knowledgeable individuals:

Warren Mearhoff Initial Screening Questions:

Equipment issue located in the Vital Area, Protected Area, or other owner controlled properties such as switchyards or Lake/River Screen House? no Procedure or process issues with the potential to affect compliance with TS or license conditions? no Potential reportability concerns? no Analysis or setpoint deficiencies that impact onsite or offsite dose or dose rates? no Nuclear safety issue? no Significant Industrial Safety Issue (ie; excluding First Aids, non-work related issues, PPE Issues, etc)? no Personnel injury requiring offsite medical attention? no Tampering, vandalism or malicious mischief? no Shift Review Not Required:

true Operable Basis:

Shift Review Not Required Reportable Basis:

Shift Review Not Required Functional Basis:

Shift Review Not Required SOC Reviewed by: JULIE COPELAND 11 /13/2019 08:16:06 CST SOC Comments:

Close to AT generated to Reg Assurance to submit supplement to LaSalle Station's Final Integrated Plan (FIP). (rwd)

Good Catch WORK AGAINST-No Work Against Details Found.

DYNAMIC ATTRIBUTES newcap.exeloncorp.com/arreport/4296569 112

3/13/2020 NewCAP2 Good catch 08610 TREND CODES No Trend Codes Found.

ASSIGNMENTS Assignment Assigned To Status: COMPLETE No.

Affected LASALLE GENERATING STATION Primary ALL SITE CAPCOS Due Date: 11/17/2019 Facility: Group:

Assignment CAP MODEL TRACKING ASSIGNMENT (CR Secondary Original Due Type: Pl-AA-120) Group: Date:

Priority: Schedule Unit Ref: Condition:

Subject:

INCORRECT DIAGRAM SUBMITTED WITH HCVS FINAL INTEGRATED PLAN Assignment 02 Assigned To TERRY L LANC Status: ACC/ASG No.

Affected LASALLE GENERATING STATION Primary REGULATORY Due Date: 03/18/2020 Facility: Group: ASSURANCE Assignment ACTION ITEMS (CR Pl-AA-125) Secondary Original Due 12/15/2019 Type: Group: Date:

Priority: Schedule Unit Ref: Condition:

Subject:

Reg Assurance to submit supplement to LaSalle Station's Final Integrated Plan (FIP).

newcap.exeloncorp.com/arreport/4296569 212