ML18348A907

Submittal of LER 1980-006-00 Purge Valve T-Ring Air Supplies

ML18348A907
Person / Time
Site:	Palisades
Issue date:	05/12/1980
From:	Hoffman D Consumers Power Co
To:	James Keppler NRC/IE, NRC/RGN-III
References
LER 1980-006-00
Download: ML18348A907 (3)

Text

-...,:~ \c

.... __ ,, 8005160.3??'

s consumers Power company*

General Offices: 212 West Michigan Avenue, .Jackson, Michigan 49201

• Area Code 517 788-0550 May 12, 1980

_Mr James G Keppler Office of Inspection & Enforcement Region III U_S Nuclear Regulatory Commission 1~9 Roosevelt Road Glen Ellyn, IL 60131 DOCKET 50-255 - LICENSE DPR PALISADES PLANT - UPDATE OF LICENSEE EVENT REPORT 80-006-PURGE VALVE T-RING AIR SUPPLIES Licensee Event Report (LER)80-006 was submitted to the NRC, Region III office on April 21, 1980. On the reverse side is an update of Licensee Event Report 80.006.

David P Hoffman (Signed)

David P Hoffman Nuclear Licensing Administrator CC Director, Office of Nuclear Reactor Regulation Director, Office of Inspection and Enforcement NRC Resident Inspector - Palisades

,/

consumers Power company General Offices: 212 West Michigan Avenue, Jackson, Michigan 49201

• Area Code 517 788-0550 May 12, 1980 Mr James G Keppler Office of Inspection & Enforcement Region III U S Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137 DOCKET 50-255 - LICENSE DPR PALISADES PLANT - UPDATE OF LICENSEE EVENT REPORT 80-006-PURGE VALVE T-RING AIR SUPPLIES Licensee Event Report (LER)80-006 was submitted to the NRC, Region III office on April 21, 1980. On the reverse side is an update of Licensee Event Report 80.006.

David P Hoffman Nuclear Licensing Administrator CC Director, Office of Nuclear Reactor Regulation Director, Office of Inspection and Enforcement NRC Resident Inspector - Palisades

NRC FORM 366

• UPDATE REPORT: ~VIOUS REPORT DATE 042180 PALISADES PLA..~T U.S. NUCLEAR REGULATORY COMMl£SION 17*771 LICENSEE EVENT REPORT CONTROL BLOCK:  :-1--~---""--'---.!10 (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) 1 6

[IT2J I Ml I! p I Al :y l IG)! 0 I 01- l 0 I 0/0 I 010 I- I 010 1014 11 1111 11 J01 I I© 7 B 9 LICENSEE CODE 14 ,5

• LICENSE NUMBER is 26 LICENSE TYPE 30 S7 CAT 68 CON'T filTI  :~~~~! L!:JG)I o 15 Io I o I 012 15 15 (Vil 11 I l IO I 719 @Io I 51 ll 2 l ~© 7 8 60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE BD EVENT DESCRIPTION AND PROBABLE CONSEQUENCES@

1During routine surveillance of conatinment purge valves, it was found that I

~ the redundant T-ring air supplies for the 12 inch and 48 inch purge valves 1

.CQID 1had lea.~age in excess of acceptance criteria.: Normal air supply was

[BIJ I operable.

[£TI]

@ID CIT[] L_

7 B 9 80 SYSTEM CAUSE CAUSE COMP. VALVE CODE CODE SUBCODE COMPONENT CODI; SUS CODE SL'BCODE ETIJ I sin I@ l!J@ ~@) 1v IA I LI v1 EI x1e E__J@) l!:J@

7 8 9 10 11 12 13 18 19 20 SEQUENTIAL OCCUR I> ENCE REPORT REVISION r.::"\ LERIRO CV5-_NT YEAR P.EPORT NO. CODE TYPE NO.

~ REPORT NUMBER I I 0I ti I I 10 10161 1,. . . . 1 101 3j ~ l.=l ~

21 22 23 24 26 27 28 29 30 31 32 01zAI@ Mtzl@ f22't COMPONENT srx10 ACTION FUTURE EFFECT SHUTDOWN ATTACHMENT NPRD-4 PRIME COMP.

IFE@r zfo~

1 I 0 I Hors 9~ I sujlYI@ fy1~1@ jF MANUFACTU'lER I l j 21 5J@

33 34 35 36 37 40 41 42 43 ..... 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS @

rr:m 1Leaks were primarily through fittings and valve packings. CV-1806 and

[I]JJ 1 CV-1~07 were replaced by blank flanges. Repairs to T-ring air supplies

[I))] 1to CV-1813 and.1814 have been completed, and a compressed gas su~ply has _J o:::IIJ been installed to augment the redundent air supply.

1 IJ:E]

8 9 80 f.l<CILITY ljQ\ METHOD OF ~

STATUS  % POWER OTHER STATUS \\::;I DISCOVERY

• DISCOVEP.Y DESCRIPTION 32

[!liJ W@ 10 I 0 10 l@l,__NA_ _ ____, LlLJ~~l~Ev~a~lu~a_t_i_o_n~o_f~T_e~st~_R_e_s_u~t_s~~~---

7 8 9 ACTIVITY 10 CONTENT 12 13 Q..

44 *s 46 60 RELEASED OF RELEASE A'-'OUNT OF ACTIVITY LOCATION OF RELEASE @

[iTIJ ~@ ~@I NA I NA 7 8 9 10 11 45 BO PERSONNEL EXPOSURES r.;;:.,.

A TYPE DESCRIPTIQN ~

ITI?J Io I u1 o l~@.____N_A________________________

NUM,i!EP.

7 8 9 1\ 12 13 60

~ERSONNEL INJURIES f.::-.

NUM5ER OESCA1n10N6

[QI) 101 OjO it'§JL-~~~N_A~~~~~~~~~~~~~~~~~~-~~~-:-::J 7 8 9 \1 12 BO LOSS D* OR DAMAGE TO FACILITY 143' TYPE DESCRIPTION i.;:::;:/

.EE I z I@

7 8 9 10

. NA BO PUBLICITY ~ ONLY r:;,-;:i ISSUED(.:;'\ DESCRIPTION~ NRC USE

~8 Lll.J6

. 7 9 .

NA 1~0~~~~~~~~~!.-~~~~~~--'--~--~~-~---,~....J6B I I I I I I I I I I I I80I 69

_ _