ML18086A300

LER 81-034/03L-0:on 810210,spent Fuel Pit Telltale Drain 6 Found Leaking.Caused by Defective Seams.Plate Welded Over Defect in Side Wall.Floor Seam Defects Sealed

ML18086A300
Person / Time
Site:	Salem
Issue date:	04/14/1981
From:	Steele W Public Service Enterprise Group
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18086A299	List: ML18086A298 ML18086A300
References
LER-81-034-03L-01, LER-81-34-3L-1, NUDOCS 8104240539
Download: ML18086A300 (1)

Text

' .. C FORM 366 U.S. NUCLEAR REGULATORY COMMISSION

.*1.17)

.... ** **. P"'":"'"'__.

e LICENSEE EVENT REPORT e

CONTROL BLOCK: I I I fi\

L-__._~_.__..~_._____._~6\.Y (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

~ IN I J Is I GI sI 1 I@ p I 0I - I 0 I 0 I 0I 0 I 0 I - I 0 I 0 1014 I i I i I i I i 101 I I 0 7 B 9 LICENSEE CODE 14 15 LICENSE NUMBER 25 26 LICENSE TYPE 30 57 CAT 5o CON'T fil2J 7 8

=~~~~~ L!J© I oI s I oIo I oI 60 61 DOCKET NUMBER 2 I 1 I 26810169 o I 2 I i I o I 8 I i 74I© Io EVENT DATE 75 I 4 I i 14 I s1i 8010 REPORT DATE EVENT DESCRIPTIO.~ AND PROBABLE CONSEQUENCES@

[£III I During an inspection of the Spent Fuel Pit, a leak of approximately 2.7 liters/hr.

was discovered at telltale drain nwnber 6. The Spent Fuel Pit level has been

[))I] maintained at 23 feet of water over the top of the irradiated fuel assemblies

[Q))J seated in the storage racks in accordance with Technical Specification 3.9.11.

Previous similar occurrence: 80-09.

ITTIJ 7 8 9 L BO SYSTEM CAUSE CAUSE COMP. VALVE CODE CODE SUB CODE COMPONENT CODE SUBCODE SUBCODE

~ IF IB I@ ~@ L:.J@ I x I x I x I x I x I x I@ ~@) ~@

7 8 9 10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION

~ LE R RO CVENT YE.A.R REPORT NO. CODE TYPE NC.

\:..:.,J REPORT NUMBER I 11 I 8

• l=:J I oI3 I 4 I 1.....-1 1° 13 29I Ll:J l=J LQJ 21 22 23 24 26 27 28 30 31 32 ACTION FUTURE EFFECT SHUTDOWN r:;:::., ATTACHMENT NPR0-4 PRIME COMP. COMPONENT TAKEt>J ACTION ON PLANT METHOD HOURS ~ SUBMITTED FORM ::.UB. SUPPLIER MANUFACTURER

~@12.J@ ~@ ~ 10101010140 ~@ ~@) ~@ I u I 0 18 I 0 I@

33 34 35 36 37 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS @

I The apparent cause was leaking welded seams. A stainless steel plate was welded over a defect in a side wall and epoxy was used to seal three defects in floor seams.

Inspection of the remaining seams is planned when the fuel racks are relocated. A supplemental report will address the results of the inspection and any corrective action taken.

7 8 9 80 FACILITY ljQ\ METHOD OF STATUS  % POWER OTHER STATUS ~ DISCOVERY DISCOVERY DESCRIPTION @

EE~ 111 0 I 0 l@ I.....__N__/_A_ __ L!J@I Operator Observation 7 B 9 10 12 11 44 45 46 80 ACTIVITY CONTENT ~

RELEASED OF RELEASE AMOUNT OF ACTIVITY~ LOCATION OF RELEASE @

EE] ~@) W@l N/A N/A 7 B 9 10 11 44 45 80 PERSONNEL EXPOSURES r:;;:;._

NUMBER (':;:;\TYPE DESCRIPTION

[2l2J 7 8 I9 0 I ~

0 I 01116Ll.J@ 12 1~3_ _ _ _.:;.;.;..-=..;;...

N A ______________________________ ~80 PERSONNEL INJURIES t:::;\

NUMBER DESCRIPTION6

~I 7 B 9 ol ol ol~

11 NA

~12--------=~-------------------------------8_.0 LO.SS OF OR DAMAGE TO FACILITY f43\

TYPE DESCRIPTION i,::_v EE 7 B UJ@

9 NA 1~0~--~-------.._---~-----------------------~-~~~80 PUBLICITY C\

ISSUEDt,;";;\ DESCRIPTION~ NRC USE ONL y "'

I2I2J Ll:!J~--~~~~~~-N=-::A'--~~~~~~~~~~~~....J I I I I I I I I I I I I I!

7 s _9 2. 410, /1' ::!'f . 68 69 80 ~

Q O

10 4 N VV W. J. Steele AME OF P R E P A R E R - - - - - - - - - - - - - - - - - - PHONE:-------------

609-935-0998 a.

ci