ML20099F542

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Special Rept 50-366/1984-02:on 840924,fire Detectors 2T43-N034 a & B Located in Drywell Around Recirculation Pump Motors Failed.Tech Spec Change Request Will Be Submitted to Delete Fire Detectors in Drywell
ML20099F542
Person / Time
Site: Hatch Southern Nuclear icon.png
Issue date: 10/25/1984
From: Nix H
GEORGIA POWER CO.
To: James O'Reilly
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
50-366-1984-02, 50-366-1984-2, GM-84-919, NUDOCS 8411260481
Download: ML20099F542 (2)


Text

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- Georgia Power Company Post Office Box 439 ~

- Bauley, Georgia 31513 Telephone 912 367-7781 g

912 537-9444

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GeorgiaPbwer Edwin I. Hatch Nuclear Plant October 25, 1984 GM-84-919 PLANT E.

I. HATCH Special Report Docket No.

50-366 United States Nuclear Regulatory Commission Office of Inspection and Enforcement Region II Suite 3100 101 Marietta Street Atlanta, Georgia 30303 ATTENTION:

Mr. James P. O'Reilly Attached is Special Report No.

50-366/1984-02.

This report is required by Hatch Unit 2 Technical Specifications Section 3.3.6.8, ACTION b.

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'H.C. Nix

'leneral Manager 12 4 HCN/TLE/dja xc:

R. J. Kelly G. F. Head J. T. Beckham, Jr.

P. D. Rice K. M. Gillespie S. B. Tipps R. D. Baker Control Room Document Control 8411260481 841025 O!{ICIAL COPY PDRADOCK05000g a

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SPECIAL REPORT 50-366/1984-002 LICENSEE GEORGIA POWER COMPANY FACILITY NAME EDWIN 1. HATCH DOCKET NUMBER

. 50-366 DESCRIPTION OF EVENT:

On - September

'2 4,

1984, at approximately 1230. CDT.

with Unit. 2 - in steady-state operation at 1638 MWt (approximately 67% power) the_ fire detectors -(2T43-NO34 A&B) located in the drywell around the A&B recirculation pump motors failed.

This caused the respective _ fire.

detection channel for - both of the recirculation pumps to fail'in its alarm condition.

Thus, the plant.was. unable to meet the requirements of Tech. Specs. section 3.3.6.8.

The plant is presently ' complying with the LCO requirements of Tech.

Specs.

section 4.3.6.8.3 (i.e.,

primary.

containment temperature checked once per hour for abnormal-indications).

Due to the nitrogen inerted containment in Unit 2 during operations, a proposed change - to.

Tech. Specs. has been approved onsite and is. expected to be submitted to the NRC to request the deletion of the fire detectors in the

'drywell from Tech. Specs. section 3.3.6.8.

The health and safety of the public were.not affected by this non-repetitive event.

This Special Report was signed one day late.

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