ML18113A351

LER 1976-024-00 for St. Lucie Unit 1, During Preoperational Testing, Remotely Operated Containment Isolation Valve (Primary Makeup Water) Would Not Close Automatically

ML18113A351
Person / Time
Site:	Saint Lucie
Issue date:	06/24/1976
From:	Schmidt A Florida Power & Light Co
To:	Moseley N NRC/IE, NRC/RGN-II
References
PRN-LI-76-160 LER 1976-024-00
Download: ML18113A351 (6)

Text

U.S. NUCLLAR REGULATORY COMMISSION DOCKET NUMBER NRC FQHM 195 I2 7BI 0-FII.E NUMBER NRC DISTRIBUTION FoR P RT 50 OOCKET MATERIAL INCIDENT REPORT DATE OF DOCUMENT Mr Moseley Flogkda .Pwr & Light Co 6-24-76

. Miami, Fla A D Schmidt DATE RECEIVED 7 6 76 gLETTER 0 NOTOR IZE D PROP INPUT FORM NUMBER OF COPIES RECEIVED I!UNCLASSIFIED no;.originals rec'd NQ/IIfSNAB/

OORIGINAL'Icos v

DESCRIPTION'tr ENCLOSURE li

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trans the following: Licensee Event Report (R08'76-24) on 5-24-76 concerning failure of remotely operated containment isolation valve I-MV-15-1....to open.........

4 PLANT NAME: NOTE: IF PERSONNEL EXPOSURE IS INVOLVED SEND DIRECTLY TO KREGER/J, COLLINS FOR ACTION/INFORMATION C NCH CH E ie,men<

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~ ~ . ~, .'~~. ~i~ 1 5 g('g FLORIOA PQVJBR BL UGHT CO <<IPANY June 24, 1976 PRN-LI-76-, 160 Mr. Norman C. Moseley, Director, Region II Office of Inspection and Enforcement 'g U. S. Nuclear Regulatory Commission 230 Peachtree Street, N. W., Suite 818 Atlanta,. Georgia 30303

Dear Mr. Moseley:

OCCURRENCE 335 4"op+'EPORTABLE

-ST. LUCIE UNIT 1 DATE OF OCCURRENCE: MAY 24, 1976 PRIMARY MAKEUP WATER CONTAINMENT ISOLATION VALVE The attached Licensee Event Report is being submitted in accordance with Technical Specification 6.9 to~rovide 3'0-day notification of the subject occurrence.

6'+Cgpf jl Very truly yours, -">88 0 JUL 2 g

P<Sz hue<~ ". II<<~ ~q AIl'AlggI D. Schmidt Vice President Power Resources MAS/cpc .

Attachment cc: Jack R. Newman, Esquire Director, Office of Inspection and Enforcement (30)

Director, Office of Management Information and Program Control (3)

LICENSEE EVENT. REPORT e ~

CONTROL BLOCK: (P 6 PRINT ALL REQUIRED INFORMATION) 1, LCENSEE EVENT 041111~03 UCENSE NAME LICENSE NUMBER TYPE TYPE

[ODg F L S L S 1 0 0 0 0 0 0 0 0

~

7 89 14 15 25 26 30 31 32 REPORT REPORT CATEGORY TYPE SOURCE DOCKET NUMBER ~ EVENT DATE REPORT DATE

~01 OON"r L ~L 0 5 0 0 3 "3 5 0 5 2 4 7 6 0 6 2 4 7 6 7 8 57 58 59 60 68 69 74 75 80 EVENT OESCRIPTION

~0 2 Durin reo erational testin , remotel o crated containment isolation 7 8 9 60 valve I-MV-15-1 ( rimar makeu water) would not close automaticall 7 89 80

~04 7 89 t chnical AS ecification 3.6.3.1. The rimar 80 Jog 7 8 9 ai m t'as sto ed and the valve was deener ized and 80 c os d. It was found that the valve 'would not close automatica ly 7 8 9 PRME 80 SYSTEM CAUSE COMPONENT CODE CODE COMPONENT CODE SUPPLER MANUFACTURER 8

IWWCJ~AVALVEX 9 10 11 12 17 L 2 0 0 47 CAUSE OESCRIPTION 7

Qo 8 8 9 This occurrence was caused b dirt contacts on a tor ueswitch. The con

. Jog v w 7 8 9 80

~10 7 '89 80 FACULTY METHOD QF STATUS '%OWER OTHER STATUS DISCOVERY DISCOVERY DESCRIPTION 7 8 9 E [oaog12 10 13 N A 44 45 46 N A 80 FORM OF ACTIVITY 'QATKNT RELEASED OF RKLEASE AMOUNT OF ACTIVITY LDCATION QF RELEASE z LJz N A N A 7 8 9 10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION

~o 89

~oo o 11 LzJ 12 13 80 PERSONNEL INJURIES N A 80 PROBABLE CONSEQUENCES

~15 N/A 7 8 9 80 LOSS OR OAMAGE TO FACIUTY TYPE DESCRIPTION z

7 89 10 80 PUBLICITY N A 7 8 9 ~ 80 AOOITIONAL FACTORS" See Pa e Two for continuation of Event Descri tion.

7 8 9 80 7 89 NAME M. A. Scho man PHONE 305 552-3779 EN'0 CF4I EZ1.

REPORTABLE OCCURRENCE 335-76-24 LICENSEE EVENT REPORT PAGE TNO Event Descri tion (continued) because of dirty contacts on a torgueswitch in the control circuitry. The contacts were cleaned and valve I-MV-15-1 was operated satisfactorily. This was the first occurrence of this type. (335-76-24) .

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