05000325/LER-1980-036-03, /03L-0:on 800421,while Containment Atmosphere Dilution Storage Tank Was in Use for Primary Containment Inerting,Tank Level Decreased to Less than 4,350 Gallons. Caused by Tank Manual Isolation CAC-V44 Being Frozen

/03L-0:on 800421,while Containment Atmosphere Dilution Storage Tank Was in Use for Primary Containment Inerting,Tank Level Decreased to Less than 4,350 Gallons. Caused by Tank Manual Isolation CAC-V44 Being Frozen

ML19323F779
Person / Time
Site:	Brunswick
Issue date:	05/15/1980
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19323F776	List: 05000325/LER-1980-036, Forwards LER 80-036/03L-0 05000325/LER-1980-036-03, /03L-0:on 800421,while Containment Atmosphere Dilution Storage Tank Was in Use for Primary Containment Inerting,Tank Level Decreased to Less than 4,350 Gallons. Caused by Tank Manual Isolation CAC-V44 Being Frozen
References
LER-80-036-03L-01, LER-80-36-3L-1, NUDOCS 8005290461
Download: ML19323F779 (1)

LER-1980-036, /03L-0:on 800421,while Containment Atmosphere Dilution Storage Tank Was in Use for Primary Containment Inerting,Tank Level Decreased to Less than 4,350 Gallons. Caused by Tank Manual Isolation CAC-V44 Being Frozen

Event date:
Report date:
3251980036R03 - NRC Website

text

CIRC TORM 366 U. S. NL OLEAR HEUULA10HY UUMMinION f

(7 7 p LIC5NSEE EVENT REPORT s

CONTROL BLOCK: l I

l l

l l

lh,

(PLE ASE PRINT OR TYPE ALL REQUIRED INFORMATION)

I 8

A l N ! C I a l e I P l 1 l@l o l 0 l - l o I O l 0 l 0 l 0 l-l 0 l 0 l@l 4 l 1 l1 11 l 1 lh!

l l@

7 8 9 LICENSEE CODE 14 15 LICENSE NuMeEH JS 26 LICENSE TYPg 40 67 car 64 CON'T l.11JJ ILl@lol 5101-10131215l@lo14 12 11 l a lo l@l 01 s i il s i 9 I n l@

suC

?

8 60 61 DOCK ET NUMSE R 68 63 EVENT DATE 74 75 REPORT DATE do EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h R~TT] l During normal operations, while the Containment Atmosphere Dilutien (CAD) storage l

5 [TTT1 1 tank was being used for. primary containment inerting, the tank level decreased to l

I

,Ri.l l 1ess than 4350 gallons.

I Zo s l l

_ o a l

~

o 7 l

l

~

O a l Technical Specifications 3.6.6.2, 6.9.1.9b.

I 80 T7 8 9 E

CODE SUSCO E COMPONENT CODE SUS ODE SU E

LoJ_J l S I E l@ LE,,j@ [B_j @ l V I A I L I V I E I X l@ [E_J@ [.D_l h 18 19 20 7

8 9

10 11 12 13

' OCCURRENCE REPORT REVISION SEQUENTtAL LE A RO EVENT YEAR REPORT N3.

CODE PfPE No.

- @,aEg I8101 l-l lola!61 y

lo 13 I M

l-l Lo_J 21 22 23

,,2 4 26 27 28 29 JO 31 32 TAKEN AC O O PL NT ME HOURS 5 8 i FOR1 8.

S PPLt MAN FACTU ER [jLl@l z l@

Izl@

Izl@

lo1010101 LN_j@

l Y l@ lAlh lVIoI910lh 33 J4 JS 36 31 40 el 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h l i l o l l The containment atmosphere control (CAC) tank manual outlet isolation CAC-V44, used I

i i l for containment inerting and makeup to the CAD tank, was frozen shut when a bad 1

l packing leak developed. The valve was thawed, repacked, and the CAD storage tank l

l t

i

y l vas restored to proper level. This is considered an isolated event and no further l

gl action is required.

l 80 7

8 9 STA U

% POWER OTHE R STATUS IS O RY DISCOVERY DESCRIPTION l E l@ l o I 913 l@l N/A l

W @l operator Surveillance i

[

i 5 ACTIVITY CO TENT WOUNT OF ACTIVITY @ l LOCATION OF RELEASE r.ELEASED OF RELEASE N/A l

N/A j

_ d W h W@l 7

8 9 to 11 44 45 80 l

PERSONNEL EXPO $URES l

NUM9ER TYPE

DESCRIPTION

l

. E lololol@lzl@l N/A I

l

,ERsON~E L i~2u'4 Es OEsCRiPTiO~@

NuM8ER lololol@l N/A I

i 8 7

8 9 11 12 80 LO$$ OF OR DAMAGE TO F ACILITY Q TYPE DESCRIP TION

%./

l N I@l N/A l

l i 9 7

8 9 10 80 l

DESCRIPTION

tsSUEj81 N/A I

lilllll'Illil:

L1 2 a 7

8 9 to 68 69 80 5 8 0 052 Q,Qfg[ggpaggg A. C. To11190n. Jr.

PHONE:

L