ML20087P125

Notifies of Potential Problem Re 10CFR50.49 Equipment Qualification Deadline.Qualification Testing Program for Pyco Resistance Temp Detectors & Qualification of Valve Motor Operators Could Require Extensions

ML20087P125
Person / Time
Site:	Hatch
Issue date:	04/03/1984
From:	Gucwa L GEORGIA POWER CO.
To:	Stolz J Office of Nuclear Reactor Regulation
References
NED-84-076, NED-84-76, TAC-55488, TAC-55489, NUDOCS 8404060079
Download: ML20087P125 (2)

Text

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' Georgia Power Company 333 Pedmont Avenue i

A!!anta, Georgta 30306 Telephone 404 5266526 Mailing Ad:!ress:'

Post Office Box 4545 Atlanta, Georgia 30302 Georgia Power L T. Gucwa t*,e southern eiectrc system Manager Nuclear Engineering and Chief Nuclear Engineer NED-84-076 April 3,1984 Director of Nuclear Reactor Regulation Attention: Mr. John F. Stolz, Chief Operating Reactors Branch No. 4 Division of Licensing U. S. Nuclear Regulatory Commission Washington, D. C.

20555 NRC DOCKETS 50-321, 50-366 OPERATING LICENSES DPR-57, NPF-5 EIMIN I. HATCH NUCLEAR PLANT INITS 1 AND 2 NOTIFICATION OF POTENTIAL PROBLIN REGARDING

'111E 10 CFR 50.49 BQUIPMENT QUALIFICATION DEADLINE Gentlemen:

In accordance with the requirements of 10 CFR 50.49(h), Georgia Power Company (GPC) hereby provides ' notification of equipment qualification problems which could result in a request for extension of the miemaking deadline (i.e., end of the second refueling outage after March 31, 1982).

l The pmblems being encountered involve.the qualification testing program for L

the PYC0_ Resistance Temperature Detectors (RTDs), and seismic qualification of new environmentally qualified valve motor operators which were purchased to mplace unqualifiable equipment.

GPC has detemined that these problems could mquire extensions of the deadline.

On' September 20,1983, PYC0 transmitted their Qualification Test Report No. 16436-82N, rev.1, which applies to RTDs which are in use at Plant

~ Hatch.

This report myealed several anomalies with regard to LOCA testing, l

which could compmmise -their qualification.

PYCO plans to submit additional

~'

infomation which GPC believes will satisfactorily resolve all difficulties l

with qualification of these RTDs.

However, a date for sumittal of this infomation has 'not yet been detemined and it could be later than the l

currently forecast, outage based deadline for Hatch-2.

Additionally, GPC is currently awaiting completion of a seismic analysis by.Velan Valve. Corporation, which was due January 20, 1984, for the motor operator on valve 2E41-F012.

GPC believes that the analysis, when completed, will show the motor. to be seismically qualified; however, should 8404060079 e40403 8

PDR ADOCK 05000321

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k GeorgiaPower h Director of Nuclear Reactor Regulation Attention: Mr. John F. Stolz, Chief Operating Reactors Branch No. 4 April 3,1984 Page Two this not be the case procurement of a replacement operator would probably exceed the environmental qualification deadline.

Analyses perfomed by Aloyco-Walworth indicate that the motorized operators for valves 2E11-F016A6B, 2E11-F021A6B, and IE11-F021A6B which were procured as environmentally qualified mplacements are too large to meet seismic criteria. _ GPC has high confidence that a more refined reanalysis for the IE11-F021 actuators will allow them to be used with no impact on the qualification deadline.

Limitorque. Corporation is scheduled to begin an analysis in the next few weeks for all four 2E11 actuators to determine

-whether smaller operators can be used in lieu of having to replace each entire valve / actuator assembly.

Should new valves be required these items will surely impact the qualification deadline, and even if smaller actuators

- will correct the problem, the procurement and installation of these devices will probably still exceed the deadline.

' Therefore, GPC will very likely be submitting a fomal request for extension of the 10 CFR 50.49. deadline for the actuators on valves 2E11-F016A6B ' and 2E11-F021A6B _in the near future.

However, GPC has no intention at' this time of requesting an extension on the qualification of any items within the scope of the Plant Hatch 10 CFR 50.49 pmgram that would exceed the fina1' regulatory deadline of March 31, 1985.

Very truly yours, WY W L. T. Gucwa CBS I

-xc:

J. T. Beckham,-Jr.

H. C. Nix, Jr.

J. P. O'Reilly (NRC-Region II)

Senior Resident Inspector g

700775