ML18110A868

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On Refueling Water Tank Piping
ML18110A868
Person / Time
Site: Saint Lucie NextEra Energy icon.png
Issue date: 10/24/1977
From: Schmidt A
Florida Power & Light Co
To: O'Reilly J
NRC/IE
References
Download: ML18110A868 (6)


Text

P. O. BOX 013100, MIAMI, FL 33101

'LORIOA POWER & LIQH1'OMPANY October 24 1977 PRN-LI-77-328 Mr. James P. O'Reilly, Director, Region XX Office of Inspection and Enforcement U. 8. Nuclear Regulatory Commission 230 Peachtree

Street, N. N., Suite l217 Atlanta, Georgia 30303

Dear Mr. O'Reilly:

REPORTABLE OCCURRENCE 335-77-39 ST.

LUCXE UNIT l DATE OF OCCURRENCE:

SEPTEMBER 23 1977 REFUELING WATER TANK PIPING The attached Licensee Event Report is being submitted in accordance with Technical Specification 6.9 to provide 30-day notification of the subject occurrence.

Very truly yours, chmidt Vice President.

Power Resources HAS/cpc Attachment cc:

Robert Lowenstein, Esqui e

Director, Office of Xnspection and Enforcement (30)

Director, Office o'f Management Information and Program Control (3)

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NAME 01 F

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UCENSEE EVENT REPQR1

'ICENEE NUMMA 0

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0 0 0 0

IJ (PLEASE PANT ALLAEOUNE1 IlNQAMATIOIK]

UCENKK EVENT TYPE TYPE 4

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1 1

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~03 26 30 31 32 REPORT REPoRT CATEGORY TYPE I

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0 0 3

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57 68 59 '0 61 0

3 5

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~ EVENT OATS REPCRT CATE 9

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2 74" 75 EVENT QESCAIPTION Q4 2I Per ifi io

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o source of borated water for'the char in

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um s is the 7

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8 8 60 QG 4I is no s'

c Cl ss I i in.

This rovides a ot'ential for drainin the RWT should.

7 8 9 80 Jog the 1ine ru'ure with the manual seismic lvalve o en.

I This is the first occurrence of 7

89 gQB.

this t e;

. 335-77-39 7

89 COPE COOK IHhl& bd 7IBS 10 '1 12 CAUSE QESCAIPTION QOg The FSAR'n tes that COMPONENT COOK p

this line is non-seismic COMPCeeeIIT Mat'~IRCR Z

9 9

9

~NI 44 4/

48 outside the isolation valve'nd states that' 8 9 60 it can be m'anuall isolatedl "if necessar Calculations show that the o erator would 7

8 9 80 have over an hour for res onse from the time the low level alarm was received until leve

'7 89 StaTUS I

% POWER I

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OTHEA STATUS

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I 10 18 13 A)AM OP ACTIVITY COATENT AELEaSg7 OPI REI.EASE I iAMOUNT OP aCTIVITY

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10'1 PERSONNEL, EXPOBUAES HUMKKA YYPK MMAIPnON t11I L0 0~0 LZJ 7

89 12 13 PERSONNEL INJUAIES NUMSEA P ESCALATION

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8 9 11 12 FROBABLE CONSEQUENCES 44 45 V)canON OI4 AKLEAKK NA NA NA NA MKTHOO Ol:

OIECOVERY OISCOVKRY OKECAIPtION Z

Operating Procedure Revi'ew 44 45 46 80 eo 80 6 8 LOSS OA DAMAGE TO FACILITY TYPE OEKCtKPTION

+z6, 10 PUBUCITY NA 80 80 7'

, IIIel

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8 AQQITIONAL FACTOAS See a e two for continuation ofI Cause Descri tion.

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N. A. Sebo manI Ii

~ONE. 305 552-3802 BO-I 80 heh

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'i 'EPORTABLE OCCURRF2TCE 335>>77-39 LICENSEE EVENT REPORT PAGE TWO 4

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CAUSE DESCEIPIION cc~ntinccd I

reached the minimum required volume.,

Isolation of the line in the.event of a seismic occurrence has been procedurally addressed, and RMT level is~being 1

administratively controlled't or above 30 feet which is we1.1, above the current I

Technical Specification minimum volume of 371,SOO gallons (corresponding to I

25 feet 4 inches).

For perman'ent corrective action, a Technical Specification I

change will he submitted to increase minimum required level in the RVZ.

This vill provide a greater. margin, than that assumed in the

'FShR description of potential line failure.

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