ML18352A319

Licensee Event Report ER-76-27 - Containment Purge Supply Valve

ML18352A319
Person / Time
Site:	Palisades
Issue date:	09/07/1976
From:	Bixel D Consumers Power Co
To:	James Keppler NRC/RGN-III
References
LER 1976-027-00
Download: ML18352A319 (2)

Text

consumers

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

• Area Code 517 788-0550 September 7, 1976 Mr James G. Keppler Office of Inspection & Enforcement Region III US Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137

• DOCKET 50-255, LICENSE DPR-20 PALISADES PLANT, ER-76-27 CONTAINMENT PURGE SUPPLY VALVE Attached is a reportable occurrence which relates to the Palisades Plant.

David A. Bixel Assistant Nuclear Licensing Administrator SEP 13 1976

9CENSEE EVENT REPORT 9 CONTROL BLOCK: I I I I I I [PLEASE PRINT ALL REQUIRED INFORMATION]

1 6 LICENSEE LICENSE EVENT

~ NAME LICENSE NUMBER TYPE TYPE

~LMlrlPI Al rJ1I 15 I ol ol-lol ol olo lol-lo lo I 14111111111 lo 11 I 7 8 9 14 25 26 30 31 32 REPORT REPORT TYl"E. SOURCE DOCKn NUMBER EVENT DATE REPORT DATE 7

@I!]8 CON'T I 5 ....7---._5_.B I CTJ 59 w60 lo 61 1s I o 1-1 oI 21 s Is68I lolBl213ITl61 69 74 lol2lolrlrl6I 75 80 EVENT DESCRIPTION lo[2I I During quarterly testing o.f penetration #1 (Purge Air Supply CV1808) the as found I 7 B 9 BO

!Piaf I leakage rate was unacceptably high. This caused the total local leak rate to be I 7 B 9 80 lol41 I above Technical Specifications limit. Valve packing was the source of the leakage, I 7 B 9 80 lol5J J repairs were made and an acceptable test run (ER-76-27), I 7 B 9 80 IQ]§)

7 B 9 PRME 80 SYSTEM CAUSE COMPONENT COMPONENT CODE CODE COMPONENT CODE SUPPLIER MANUFACTURER VIOLATION

@0 I sl nl [QJ Iv I A I LI vi El x I LlJ Ic 1s 1a 111 lLl 7 8* 9 10 11 12 17 43 44 47 48 CAUSE DESCRIPTION lol0I I The valve stem packing is a multi-ring packing with a grease fitting located I 7 8 9 80 lolsl I between two rings of packing. Recent modification to the grease fitting contrib- I 7 8 9 80 I uted to the observed leakage by permitting leakage through the fitting. -(See Line lj8) 8 9 80 FACILITY METHOD OF STATUS . '16 POWER OTHER STATUS DISCOVERY DISCOVERY DESCRIPTION EEJ L!J l1lolol NA I l_gJ NA 7 B 9 10 1.2 13 44 45 46 80 FORM OF ACTIVITY CONTENT 7

rn 8 RELEASED

~

9 OF RELEASE LI _,___NA_ _ _....1 10 11 AMOUNT OF ACTIVITY 44 45 LOCATION OF RELEASE NA 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION

~I 010 I 01 ~ NA 7 8 9 11 12 13 80 PERS"ONNEL INJURIES NUMBER DESCRIPTION E:E1 I 01 0 I 0 I NA 7 8 9 11 12 80 PROBABLE CONSEQUENCES

~ I None - The inner valve was tested and found acceptable.

7 8 9 80.

LOSS OR DAMAGE TO FACILITY TYPE DESCRIPTION NA

~-~

7 8 9 10 80 PUBLICITY EJZl None 7 8 9 80 ADDITIONAL FACTORS

~ I (Contd From Line 10) All modified grease fittings will be replaced with the was 80

[Tifil I original design.

I 7 8 9 80