ML17252A515

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Letter Confirming a 07/19/1974 Conversation Concerning the Discovery of HPCI High Steam Flow Isolation Switch DPIS 3-2352 to Be Out of Flex - Dresden Unit 3
ML17252A515
Person / Time
Site: Dresden 
Issue date: 07/23/1974
From: Stephenson B
Commonwealth Edison Co
To: James Keppler
US Atomic Energy Commission (AEC)
References
Download: ML17252A515 (2)


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UNITED STATES

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ATOMIC ENERGY COMMISSI... !

DIRECTORATE OF REGULATORY OPERATIONS REGION Ill 799 ROOSEVELT ROAD GLEN ELLYN, ILLINOIS 60137 TIJ..EPHONE 012) 858-2860 A.

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Transmittal Date

.July 23, 1974

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SUBJECT DPR-25 DRESDEN NUCLEAR POWER STATION UNIT 3.

(I THIS WILL CONFIRM A CONVERSATION WITH F MAURA OF YOUR.

OFFICE. AT 1050 HOURS THIS DATE CONCERNING HPCI HIGH STEAM FLOW ICELATION SWITCH DPIS 3-2352.FOUND OUT OF FLEX~ AS FOUND SET POI NT DUR INGPi\\cUti Ne*: d.:ALifaR~T ION WAS 233 INCHES OF WATER WHICH IS GREATER THAN Al..LOW£D BY TABLE 3.2.1 OF THE TECHNICAL SPECICATIONS. THE. SWITCH WAS IMMEDIATELY RESET TO OPERATE AT 146.5 INCHES OF WATER INCREASE. D?IS 3-2353 WAS ALSO CHECKED Sf-1201 (R5-69)

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0 AND FOUND TO OPERATE WITH IN TECHNICAL SPECIFICATION LMITS.

ADDITIONAL DETAILS ARE FORTH COMING IN THE FORM OF A 10 DAY LETTER B B STEPHENSON.

SUPE~INTENDENT DRESDEN NUCLEAR POWER STAT ION

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