ML17207A811

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Informs NRC That Mods Have Been Completed on Four Containment Purge Valves.Two Remaining Purge Valves Will Be Modified During 800315 Refueling Outage to Avoid Unnecessary Radiation Exposure to Plant Personnel
ML17207A811
Person / Time
Site: Saint Lucie NextEra Energy icon.png
Issue date: 02/06/1980
From: Robert E. Uhrig
FLORIDA POWER & LIGHT CO.
To: Reid R
Office of Nuclear Reactor Regulation
References
L-80-45, NUDOCS 8002120363
Download: ML17207A811 (4)


Text

REGULATO INFORMATION DISTRIBUTION

'TEM (BIDS)

ACCESSION NBR s 8002120363 DOC ~ DATE o 80/02/06 NOTARIZED!

NO FACIL:50 335 St ~ Lucie Plant~

Un{t 1~ Florida Power 8 t ight Co.

AUTHi NAME AUTHOR AFFILIATION UHRIGg R ~ E ~

Fl oride Power 8 Light Co, RECAP, NAME RECIPIENT AFFILIATION RELDgR ~ HE Operating Reactors Br anch DOCKET 05000335 SUBJECT; Informs NRC that mods have been completed on four containment purge valves.Two remaining purge valves will be modified during 800315 refueling outage to avoid unnecessary radiation exposure to plant personnel,,

DISTRIBUTION CODE:

A034S COPIES RECEIVED:LTR 4 ENCL g SIZE!

TITLE: Containment Purging

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. BOX 529100, MIAMI,FL 33152 FLORIDA POWER 8, LIGHT COMPANY Office of Nuclear Reactor Regulation Attention:

Mr.

R.

W. Reid, Chief Operating Reactors Branch No.

4 Division of Operating Reactors U.

S.

Nuclear Regulatory Commission Washington, D.

C.

20555

Dear Mr. Reid:

February 6, 1980 L-80-45 Re:

St. Lucie Unit 1

Docket No. 50-335 Containment Pur e

This letter is to inform you that Florida Power 8 Light Company (FPL) has completed modifications to the four contai nment purge valves located outside the St. Lucie Unit 1 containment, restricting the valve opening to a maximum of 50 degrees on an interim basis in accordance with position 2.a of your letter of October 23, 1979.

FPL intends to modify the remaining two purge valves located inside containment during the next refueling outage scheduled for March 15, 1980.

FPL has delayed implementation of the modification on those two valves to avoid unnecessary radiation exposure to plant personnel.

The modifications to the four valves outside containment provide reasonable assurance that the containment integrity would be maintained in the event of a DBA - LOCA.

's discussed with Mr. Peter Erickson of your staff and as previously stated in our letter to you dated May 25, 1979 (L-79-139),

FPL is conti nui ng to limit purging to as low as achievable (NRC interim position 1).

NRC interim position 2.b has been adequately addressed in FPL letters dated January 5,

1979 (L-79-3) and December 13, 1979 (L-79-347).

If you have any questions relative to the FPL commitment regarding the NRC interim position, please call us ~

Very truly yours, Robert E. Uhrig Vice President Advanced Systems 8 Technology REU/MAS/cph cc:

Mr. J.

P. O'Reilly, Region II Harold F. Reis, Esquire we%

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