ML20073T083

Telecopy Ro:On 830429,sample from T-82D (Safety Injection Tank D) Showed Boron Concentration Below Tech Spec Limit. While Attempting to Increase Boron Level,Addl Safety Injection of T-82B occurred.T-82D & T-82B Restored

ML20073T083
Person / Time
Site:	Palisades
Issue date:	05/02/1983
From:	Krich R CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
NUDOCS 8305100306
Download: ML20073T083 (1)

Text

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10: U S NUCLEAR REGULATORY COMMISSION 799 ROOSEVELT AVENUE i GLEN ELLYN, ILLINDIS I

ATTN: PALISADES PLANT SECTION CHIEF R M KRICH, PALISADES P'1 1 F R 0 ti: l CC: R B DEWITT. P-26-117B, JACKSON D J VANDEWALLE, P-24-614B, JACKSON THIS CONFIRMS PROMPT NOTIFICATION OF AN OCCURRENCE REPORTABLE PER i i

T.S. 6.9.2.A(2). ON APRIL 29, 1983, AT 2040, A SAMPLE FROM T-G2D (D SAFETY INJECTION TANK) SHOWED DORON CONCENTRATION TO DE 1706 PPM

, og WHICH IS FELOW THE T.S. LIMIT OF 1720 PPM BORON. T-82D DDRON ,

NnA CONCENTRATION COULD NOT DE RESTORED WITHIN THE ONE HOUR LIMIT OF '

O T.S. 3.3.2.A. AT 2201, AfRIL 27, l 'P 0 3 . SIT T-02D WAS RESTORED TO

@@ OPERABILITY WITH A BORON CONCENTRATION OF 1734 PPM.

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0 AT 2311, ON APRIL 29 WITH T-82D INOPERABLE DUE TO ROUTINE SAMPLING

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@$ WHILE ATTEMPTING TO FdRTHER INCREASE THE BORON CONCENTRATION 10 00 ABOVE THE PLANT ADMINISTRATIVE LIMIT. AN ADDITIONAL SAFETY INJECTION ,

Od TANK, T-82B, FECAME INOPERAALE DUE TO LOW LEVEL. THIS OCCURRENCE i

@g 0F TWO INOPERABLE SAFETY INJECTION TANKS AT Tile SAME TIME LASTED l <

no APFROXIt1ATELY 9 MINUTES. PREPARATIONS FOR f'0WER REDUCTION WERE l OC C t i2oi se tas.ee; I

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vv i uEGUN AND CONTINUED IN BOTH INSTANCES UNTIL T-82D CONCENTRATION AND T-82B LEVEL WERE RESTORED TO OPERABILITY PER T.S. 3.3.2. INITIAL REPORT WAS MADE VIA THE NRC HOT LINE ON APRIL 29. NOTIFICATION TO

( THE NRC SENIOR RESIDENT INSPECTOR WAS (1ADE ON MAY 2, 1983. i TIME: 13:22 05/02/83 EDT CONNECT TIME : 68 SECONDS

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