ML18348A205

License Event Report 1977-053-00 Re Iodine Removal System

ML18348A205
Person / Time
Site:	Palisades
Issue date:	12/09/1977
From:	Hoffman D Consumers Power Co
To:	James Keppler NRC/RGN-III
References
LER 1977-053-00
Download: ML18348A205 (2)

Text

consumers Power company

'81).~\\l't U\)tltt i\\.l \'At't General Offices: 212 West Michigan Avenue, Jackson, Michigan 49201

• Area Code 517 788-0550 December 9, 1977 Mr James G Keppler Office of Inspection and Enforcement Region III US Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137 DOCKET 50-255, LICENSE DPR-20 PALISADES PLANT - ER-77~53 - IODINE REMOVAL SYSTEM Attached is a reportable occurrence that relates to the Iodine Removal System at the Palisades Plant.

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Assistant Nuclear Licensing Administrator CC : ASchwencer, USNRC

L9=NSEE EVENT REPORT e Palisades

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CONTROL BLOCK: .._I _..____._!___._J___.._l---.J.l---11 (PLEASE PRINT All REQUIRED INFORMJ\TIO!IJ)

." 1 6 LICENSEE LICENSE EVENT NAME LICENSE NUMBER TYPE TYPE

. @E1 I MI A I p I Al LI 1 1 1°1°1-1°1°1°1°1°1-1°1°1 1 41 1 1 1 1 1 1 1 1 I 0 I 31 7 B 9 14 15 25 26 30 31 32 REPOR\ REPORT TYPE SOURCE DOCKET NUMBER EVENT DATE REPORT DATE

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~ L!:J 1015IO1-IO I~ 1515 I *11 11 I o I 1 I 1 I 11 l1l2lol9l1l1I 7 8

• 57 58 59 60 61 68 69 74 75 80 EVENT DESCRIPTION

@:@] I During power operation, a low pressure alarm was received on the Iodine removal 7 8 8 80 (QJ3j I hydrazine tank (T-102'). The NaOH (T-103) tar~l\. \*:as available. Event non-repetitive. I 7 8 g BO (oJ4j I Reportable per Tech Spec 3.19.1. Pressure was restored within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />. (77-053) I 7 8 9 80 7

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7 8 9 PRIME 80 SYSTEM CAUSE COMPONENT COMPONENT CODE CODE COMPONENT CODE SUPPLIER MANUFACTURER VIOLATION

@0 Is IHI IEJ I zI zI zi zl zl zl LIJ I z I 9 I9 I9 I LU 7 8 9 10 11 12 17 43 44. 47 48 CAUSE DESCRIPTION jojsj L*water iJ.?- the Nitrogen line between the pressure regulator .and the tank prevented 7 8 9 80

~ I the regulator from maintaining tank pressure. If condition reoccurs, appropriate J 7 8 9 80

~ I design changes will be considered. I 7 8 9 80 FACILITY METHOD OF STATUS  % POWER OTHER STATUS DISCOVERY DISCOVERY DESCRIPTION EEJ 7 B 9

~ I ii ol oj 12 13

.N/A 44

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45 I

46 Alarm in Control Room 80 10 FORM OF ACTIVITY CONTENT LOCATION OF. RELEASE rn RELEASED OF RELEASE AMOUNT OF ACTIVITY

~ ~I N/A N/A 7 B 9 10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION

~ 101°1~ ~ I N/A 7 8 9 11 12 13 80 PERSDNNEL INJURIES NUMBER DESCRIPTION EE] l 0l 0I 01 N/A 7 8 9 11 12 80 PROBABLE CONSEQUENCES Jill] N/A 7 8 9 80 LOSS OR DAMAGE TO FACILITY TYPE DESCR!PTION 7

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8 9 LJ 10 N/A 80 PUBLICITY j1j7j N/A 7 B 9 80 ADDITIONAL FACTORS

[ill I N/A 7 B 9 ao

_J 80