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 PALIS.A.DES PLANT - ER-76 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.

c;;;r~ao/

David A Bixel Assistant Nuclear Licensing Administrator

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

1 6 LICENSEE LICENSE EVENT NAME LICENSE NUMBER . TYPE TYPE IMlrlPIAILl1I 15 lo lo 1-1' ol ol olo I ol-1 '

al 25 al l411l1l1l1I Io I 1 I 7 8 9 14 26 30 31 *32

' RETYPOPRTE. REPORT r57*I'*'58I WW SOURCE OOCKl;T NUMBER

• EVENT DATE REPORT DATE

@!)cON'T I61oI sI o1-1 o I 21 ' s. I 568I l1l2lol2l1l6I l1l2l3lol1l6I 7 8 59 60 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 7 8 9 ' 80 IOl3l I suet ion header

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

SYSTEM CAUSE PRIME.

COMPONENT COMPONENT (ER-76-43) 80 7

@m IR I BI 8 9 10 CODE CODE ULl 11 12 COMPONENT CODE J pII Ip IE Ix Ix I 17 w

SUPPLIER 43 MANUFACTURER Ix I 9 I 2 44

,. 9 I 47 VIOLATION w48 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

• -~9 80

~9!--~~~---~~~~~~~~~~~~~.,--~~~~~~~~~~~~~~~~~~~~~~-8-0 FACILITY METHOD OF

% POWER OISCOVERY* DISCOVERY DESCRIPTION w

STATUS OTHER .STATUS Em8 Io Io I 5 I NA IA.J NA 7 9 10 12 13 44 45 46 80 FORM OF ACTIVITY CONTENT I

7 rn 8 RELEASED

' 9 Lf.I OF RELEASE 10 11' AMOUNT OF ACTIVITY W .. . ,.__.....N__,A-.__~___.I 44 45 LOCATION OF RELEASE NA 80 PERSONNEL EXPOSURES 7 8 9 NUMBER 1IIID lo I o I o I 11 w

TYPE 12 13 DESCRIPTION NA 80 PERS.ONNEL INJURIES NUMBER DESCRIPTION

• 7 EEi8 9lolol ol11 12 NA 80 PROBABLE CONSEQUENCES ,

tiliJ. I None. Leakage wi:i:s* ~-;t sufficient to affect operation.

7 8 9 80 LOSS OR DAMAGE TO FACILITY

[ilil 7

8 9 wTYPE 10 DESCRIPTION NA

'80 PUBLICITY EIZJ None.

7 8 9 80 ai ADDITIONAL FACTORS

~ 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. I 7 8 9 80