ML18348A271

License Event Report 1976-043-00 Re Leak in Charging Pump Suction Line

ML18348A271
Person / Time
Site:	Palisades
Issue date:	12/30/1976
From:	Bixel D Consumers Power Co
To:	James Keppler NRC/RGN-III
References
LER 1976-043-00
Download: ML18348A271 (2)

Text

• * *

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

• Area Code 517 788-0550 December 30, 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 -PALIS.A.DES PLANT -ER-76-43 -LEAK IN CHARGING PUMP SUCTION LINE Attached is a reportable occurrence which relates.to the Palisades Plant. This event is considered to be abnormal degradation of a system designed to contain radioactive material.

No release to the environment occurred as a result of this event.

David A Bixel Assistant Nuclear Licensing Administrator

• LICENSEE EVENT REPORT e Palisades CONTROL BLOCK: I 1 I I I I I [PLEASE PRINT ALL REQUIRED INFORMATION]

6 ' LICENSEE NAME IMlrlPIAILl1I LICENSE NUMBER . lo lo 1-1 ol ol olo I ol-1 al al 7 8 9 14 15 ' ' 25 LICENSE TYPE l411l1l1l1I 26 30 EVENT DATE EVENT TYPE Io I 1 I 31 *32 REPORT DATE @!)cON'T r

• I'*' I 7 8 57 58 RETYPOPRTE.

REPORT SOURCE WW OOCKl;T NUMBER

• I o I s I o 1-1 o I 21 s. I 5 I l1l2lol2l1l6I l1l2l3lol1l6I 59 60 61 ' 68 69 74 75 80 EVENT DESCRIPTION loj2I *I During a routine --inspection . of the plant a small leak was observed in the charging pump I 80 7 8 9 ' I Ol3l I suet ion header

• near the "B" . charging The leakage was estimated to be 10 to 15 I 7 8 9 80 lc1'41 I cc/min. 7 8 9 The initial corrective action utilized a clamp type seal over the leak. A I 80 lol5l I review of the pipe vibration, possible tee replacement (with a. standard type) .and I 7 8 9 ' ' ' lol61 I adequacy of clamp type fixes (as permanent) will be conducted (Contd on Line 18). 80 I 7 8 9 . PRIME. (ER-76-43)

SYSTEM CAUSE COMPONENT COMPONENT 80 CODE CODE COMPONENT CODE SUPPLIER MANUFACTURER VIOLATION

@m IR I BI ULl J p I I Ip IE Ix Ix I w Ix I 9 I 2 ,. 9 I w 7 8 9 10 11 12 17 43 44 47 48 CAUSE 'DESCRIPTION Iola! I The apparent cause of the problem is related to both the type of tee (field I 7 8 9 80 lolsl I fabricated type) and the pipe vibration occurring at the tee's location.

I 80 Em 7 8 rn FACILITY STATUS w 9 % POWER Io Io I 5 I 10 12 13 FORM OF ACTIVITY CONTENT OTHER .STATUS NA RELEASED OF RELEASE I AMOUNT OF ACTIVITY 44 METHOD OF OISCOVERY*

IA.J 45 7 8 Lf.I W . ....,. __ ..... ' 9 10 11' 44 45 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION 1IIID lo I o I o I w NA 7 8 9 11 12 13 PERS.ONNEL INJURIES NUMBER DESCRIPTION

• EEi lolol ol NA 7 8 9 11 12 46 PROBABLE CONSEQUENCES tiliJ. I None. Leakage wi:i:s* 7 8 9 sufficient to affect operation.

LOSS OR DAMAGE TO FACILITY . TYPE DESCRIPTION

[ilil w 7 8 9 10 PUBLICITY EIZJ None. 7 8 9 ai ADDITIONAL FACTORS NA NA , DISCOVERY DESCRIPTION LOCATION OF RELEASE NA 80 80 80 80 80 '80 80 I (Contd From Line 06) to determine final resolution.

Records of final corrective I 7 8 9 ' 80 [Tifil I action will be available at the plant. 7 8 9 I 80