05000315/LER-1980-025-03, /03L-0:on 800929,glycol Isolation Valve Would Not Fully Close.Cause Undetermined.Valves Exercised & Functioned Correctly

/03L-0:on 800929,glycol Isolation Valve Would Not Fully Close.Cause Undetermined.Valves Exercised & Functioned Correctly

ML17331A504
Person / Time
Site:	Cook
Issue date:	10/21/1980
From:	Murphy C INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17326A765	List: 05000315/LER-1980-025, Forwards LER 80-025/03L-0 05000315/LER-1980-025-03, /03L-0:on 800929,glycol Isolation Valve Would Not Fully Close.Cause Undetermined.Valves Exercised & Functioned Correctly
References
LER-80-025-03L-01, LER-80-25-3L-1, NUDOCS 8010300450
Download: ML17331A504 (2)

LER-1980-025, /03L-0:on 800929,glycol Isolation Valve Would Not Fully Close.Cause Undetermined.Valves Exercised & Functioned Correctly

Event date:
Report date:
3151980025R03 - NRC Website

text

NRC FORM 366 U. S. NUCLEAR REGULATORY COMMISSION P-771 2 '-

ICENSEE EVENT REPORT

,gV' CONTROL BLOCK:

(PLEASE PRINT OR TYPE ALI.REQUIRED INFORMATION) 1 6

~21 N

I 0

C

.C I Q20 0

0 0

0 0

0 0

0 0

0 Q24 I

I I

I os~os 7>

8 9

LICENSEE CODE 14 15 LICENSE NUMBER 25 26 LICENSE TYPE 30 57 CAT 58 CON'T soURDE LJQB 0

5 0

0 0

3 I'6 0 Qs 0

QB 7

8 60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE EVENT DESCRIPTION AND PROBABLE CONSEQUENCES Qlo

~02 WHILE PERFORMING A SURVEILLANCE TEST ON THE CONTAINMENT ISOLATION VALVES IT WAS

~03 COVERED THAT ONE OF THE GLYCOL ISOLATION VALVES WOULD NOT FULLY CLOSE.

THIS SYSTEM IS FILLED WITH GLYCOL AND DOES NOT PROVIDE A DIRECT PATH FOR THE CONTAINMENT ATMOS-

~OS

" ~06

~07 PHERE TO, THE OUTSIDE.

THE GLYCOL LINE IS EQUIPPED WITH TWO ISOLATION VALVES; IN THE EVENT ONE VALVE FAILS THE OTHER VALVE ASSURES ISOLATION AND THEREFORE THIS CONDITIO HAD NO EFFECT ON THE PUBLIC HEALTH AND SAFETY.

~OB 80 7

8 [OOQ 7

8 SYSTEM

CAUSE

CAUSE COMP VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCODE

~SD Q11 X

Q12

~Z Q13 P

E N

E T'.

R Q4

~P QEE

~Z Q's 9

10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION LERIRO EVENT YEAR REPORT NO.

CODE TYPE NO.

017 REPQRT

~BO

+

~02 5

Qe

~03

+L Q

QO 21 22 23 24 26 '7 28 29 30 31 32 ACTION FUTURE EFFECT SHUTDOWN ATTACHMENT NPRDQ PRIME POMP.

COMPONENT TAKEN ACTION ON PLANT METHOD HOURS Q22 SUBMITTED FORM SUB.

SUPPLIER MANUFACTURER

~G'ls ~Z Qls

~Q20 LZIQ2 0

0 0

0

~N Q23

~NQ24

~L Q2s I

2 0

7 Q26 33 34 35 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS 27 o

NO VISIBLE CAUSE COULD BE DISCERNED TO KEEP THE VALVE FROM FULLY CLOSING.

THE V

WAS EXERCISED BY OPENING AND CLOSING SEVERAL TIMES AND IT FUNCTIONED SURVEILLANCE TESTING HAS NOW BEEN INCREASED. FROM.

UARTERL'Y'.TO.'.HOi'JTHLY "FOR'THESE.'GLY-3 COL ISOLATION VALVES.

4 45 NA goD 0-FOIO NRC USE ONLY 7

8 9

10 P U8 LIC ITY DESCRIPTION~

~NQ44 7

8 9

10 NAME OF PREPARER C.

E.

MURPHY 68 69 PHONE:

6 7

8 9

FACILITY

~30 METHOD OF STATUS s%%d POWER OTHER STATUS ~, DISCOVERY DISCOVERY DESCRIPTION Q32 s

~EOEE.~09 9

QER NA

~BORE OPERATOR OBSERVATION 7

8 9

10 12 13 44 45 46 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNTOF ACTIVITYQ LOCATIONOF RELEASE Q pg-g z

Q33 uzQ34 NA NA 7

8 9

10 11 44 PERSONNEL EXPOSURES ZZ ~0'"II"0 ORO"""'""""

7 8

9 11 12 13 PERSONNEL INJURIES NUMBER DESCRIPTION 41 s

~00 0

QER NA 7

8 9

11 12 LOSS OF OR DAMAGETO FACILITY 43 TYPE

DESCRIPTION

2 Z

QE2 NA 80 80 80 80 80 80 ESo 2

80 ~ o 0L 29

~r l