ML20081H347

Telecopy Ro:During Ae Analysis,Design Deficiency in Support Configuration for 1-inch Diameter Fill & Drain Piping to T-82D (Safety Injection Tank D) Discovered.Supports Will Be Redesigned & Installed During Current Outage

ML20081H347
Person / Time
Site:	Palisades
Issue date:	10/25/1983
From:	Krich R CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
NUDOCS 8311070397
Download: ML20081H347 (1)

Text

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(- FROM: R M KRICH, PALISADES CC: VICE-PRESIDENT, NUCLEAR OPERATIONS, P-26-1178 NUCLEAR LICENSING ADMINISTRATOR, P-24-614B

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THIS CONFIRMS PROMPT NOTIFICATION OF AN OCCURRENCE REPORTABLE PER e

(' T.S. 6.9.2.A(9). A RECENT ANALYSIS PERFORMED BY THE A/E (BECHTEL) .9 HAS RESULTED IN THE DISCOVERY OF A DESIGN DEFICIENCY IN THE SUPPORT E CONFIGURATION FOR THE ONE-INCH DIAMETER FILL AND DRAIN PIPING TO E c T-82D (D SAFETY INJECTION TANK). THE SUPPORT CONFIGURATION FOR THIS y RUN OF PIPING DOES NOT PROVIDE ADEOUATE VERTICAL AND LATERAL SUPPORT m TO MEET FSAR SEISMIC CRITERIA FOR OBE ANS SSE CONDITIONS. SUPPORTS 3

(. FOR THIS PIPING WILL BE REDESIGNED AND INSTALLED DURING THE CURRENT REFUELING / MODIFICATION OUTAGE. AN EVALUATION OF SIMILAR PIPING ON THE REMAINING SAFETY INJECTON TANKS (T-82A, B AND C) WILL BE

( CONDUCTED TO DETERMINE IF THE SAME CONDITION EXISTS. CORRECTIONS WILL BE MADE AS NECESSARY.

,. INITIAL REPORT WAS MADE VIA TELECON TO NRC REGION III ON OCTOBER 24,

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1983. THE RESIDENT INSPECTOR WAS ALSO NOTIFIED ON OCTOBER 24, 1983.

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