ML18348A206

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

ML18348A206
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: ML18348A206 (2)

Text

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• *IG.ULAT YDQ~,::{ET FILE C.OPY.

• Power company 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 IODINE REMOVAL SYSTEM Attached is a reportable occurrence that relates to the Iodine Removal System at the Palisades Plant.

• David P Hoffman (Signed)

David P Hoffman Assistant Nuclear Licensing Administrator CC: ASchwencer, USNRC DEc 15 1977

..*ENSEE EVENT REPORT

, CONTROL BLOCK: ..._._...._.....___._....-..1---JI Palisades

[PLEASE PRINT ALL REQUIRED INFORMATIOllJJ 1 6 LICENSE EVENT LICENSE NUMBER TYPE TYPE I o *I o 1-1 o I o I o I o I o 1-1 o I o I 1 4 1 1 11 11 11 1 I 0 I 31 15 25 26 30 31 32 REPORT REPORT TYPE' SOURCE. COCKl;T NUMBER EVENT CATE REPORT CATE

@IT]caN'T 7 8 r

• I *58I 12:.1 57 59 L.~J.

60 1015 IO 1-IO I~ 1515 61 68 I 1111101111111 69 74 l1121ol2l1!1I 75 80 EVENT DESCRIPTION 10121 I During power operation, a low pressure alarm was received on the Iodine removal I 7 8 9 80 lolal I hydrazine tank (T-102'). The NaOH (T-103) tank was available. Event non-repetitive.. I 7 8 9 80 (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 lolsl8 9~*------~--~------------------------------------------------------.J 7 80 lo Isl 7 8 9 PRIME 80 SYSTEM CAUSE COMPONENT COMPONENT COOE COCE COMPONENT COCE SUPPLIER MANUFACTURER VIOLATION 7

@01sfttl 8 9 10 lliJ 11 I zI z I zI zl zl zl 12 17 LI1 43 I z I 2 I 2 I2 I

44. 47 l1LJ 48 CAUSE DESCRIPTION Iola! I .Water in the Nitrogen line between the pressure regulator .and the tank prevented I 7 8 9 80 lojsj I the regulator from maintaining tank pressure. If condition reoccurs, appropriate I

"' 8 91 80

_ design changes will be considered.*_____________________________________

89~=::.::=..;i:;:;..-==:.:~.;;.....;.;.;:;:;=:.-::;..;:;......;:~==~.;;.;;..;;;.;.. ~---------------180 I FACILITY METHOD OF STATUS  % FOWER OTHER STATUS DISCOVERY CISCOVERY DESCRIPTION EEi8 ~ I ii oj 01 N/A ~ I Alarm in Control Room 7 9 10 12 13 44 45 46 80 FORM OF ACTIVITY CONTENT 7

rn 8 RELEASEC 9

~

OF RELEASE LI10 I

11 AMOUNT OF ACTIVITY N/A 44 I 45 N/A LOCATION OF RELEASE

,80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION

!ill] jOI OI OI ~ N/A 7 8 9 11 12 1=3----.----------------------------------------------------------------lBO PERS'ONNEL INJURIES NUMBER DESCRIPTION

[!El jOI OI OI ':::-N_/A____________________________...__,;___,_________________~

7 8 9 11 12 80 PROBABLE CONSEQUENCES

~ NA 7 8 9 80 LOSS OR DAMAGE TO FACILITY TYPE DESCRIPTION

!ill. L_j 7 8 9 N/A 10~---------------------------.------------------------------------~-------------8-10 PUBLICITY

[!1Z1 N/A 7 B 9 BO

• ADDITIONAL FACTORS

~ N/A 7 8 9 80

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7 B 9 80