ML20137T681

Provides Status of Environ Qualification Effort for Drywell Hydrogen & Oxygen analyzers.Architect-engineer Determined Equipment Located in Mild Environ Will Remain Operable During & for at Least 180 Days Following LOCA

ML20137T681
Person / Time
Site:	Hatch
Issue date:	11/27/1985
From:	Gucwa L GEORGIA POWER CO.
To:	Muller D Office of Nuclear Reactor Regulation
References
0036C, 36C, SL-17, TAC-57133, NUDOCS 8512090083
Download: ML20137T681 (2)

Text

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~ SN i GeorgiaMr C5mpany '

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~2 1333 Piedmont Avenuei gy Q.

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( Atlanta, Georgia 30308 :;

Telephone 404 5264526 '

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' Mailing Address:-1.

' ^I t Post Offce Box 4545-j i 'e jAtlanta, Georgia 30302' '

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GeorgiaPower?

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CT.GucweN the southem ekxtnc system S Manager Nuclear Engineering -

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November 27, 1985

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Director.~of Nuclear Reactor Regulation

,i; (Attention:-:Mr'. D. Muller,! Project Director

BWR Project Directorate No.-21 "pl

Division of'8 oiling Water Reactor Licensing s ;

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'[U.:S. Nuclear Regulatory; Commission-LWashington,"D. C. :205551

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~NRC DOCKET 50-366

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OPERATING LICENSE:NPF-5

'EDWINiI. HATCH NUCLEAR PLANT UNIT 2

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m iSTATUS OF ENVIRONMENTALLQUALIFICATION EFFORT

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~ IGentlemen:-

By fletter' dated ' August. 16, 1985 (NED-85-523),. Georgia Power Company.

(GPC) linformed; the NRC 'of L significant ' problems with the qualification

' effort fore the ~. Primary?- Containment.- Hydrogen -(H ) and OxygenE(0 ) gas 2

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analyzersEdedicated for use at ~ Plant Hatch linits 1 and 2.

The - specific.

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- problemsinoted in 'that letter had occurred : during. the Loss of Coolant -

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- Accident 1(LOCA) testing for 'the heat < tracing on the sample input tubing lfor these_ analyzers.

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~ Following ~the date-of ' submittal. of letter 'NED-85-523, the y

9 Architect / Engineer.(A/E) sfor.. Pl ant-Hatch-determined-that the-

< environmental :profiies (temperature / pressure) which the analyzer ! vendor

was1using to specify the qualification testing for the heat tracing -on;

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the JH

.and /0 : analyzers,* were'- considerably more, severe ~ than.the 2 ^

2-conditions which this : equipment.is expected. to experience during design 4 -.

.basisfevents for which its function is required. The A/E then reanalyzed x

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c Georgia Power

Director of Nuclear Reactor Regulation

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4 Attention:

Mr.7D. Muller, Project Director

BWR~ Project Directorate No.-2 November 27,

1985 lPage Two th'e portions of the testing program which had been successfully completed and subsequently made a determination' that.the Hatch Unit 2 equipment,:

lwhich is : located in a mild environment, would remain operable-during and for-at least :180 days following any such event and is qualified for' its intended use at Plant Hatch.as required by 10 CFR'50.49.

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Sincerely yours,

1. f~ Q=4 L. T. Gucwa

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Mr.-J. T. Beckham, Jr.-

-Mr.1 H.-C. Nix,:Jr.

- Dr. J. N. Grace (NRC-Region II)

-Senior Resident Inspector.

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.GO-NORMS

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