ML17252A515

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)

Text

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UNITED STATES .illllllllt.*

ATOMIC ENERGY COMMISSI. . .  !

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

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A. RO Inspection Report No.* ~~~~~~~~~~~~

Transmittal Date Distribution: Distribution:

RO Chief, FS&EB RO Chief, FS&EB RO:HQ (5) RO:HQ (4)

.. DR Central Files L:D/D for Fuels & Materials Regulatory Standards (3) DR Central Files Licensing (13) * " RO Files.

RO Files

• B. RO Inquiry Report No.

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-** ;.* Transmittal Date

.:. t Distribution: Distribution_:

RO Chief, FS&EB RO Chief, FS&EB RO:HQ (5) RO:HQ DR Central Files DR Central Files Regulatory Standards (3) RO Files Licensing (13) . J

• RO Files C~ Incident Not.ification From: Commonwealth Edison Company 50-249 (Licensee & Dock~t No. (or License No.)

Transmittal Date .July 23, 1974

.Distribution: Distribution:

RO Chief, FS&EB RO Chief,

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RO:HQ (4) . RO:HQ (4)

Licensing ( 4) L:D/D for Fuels &~ Materials DR Central Files DR Central Files RO Files \RO Files

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SUBJECT DPR-25 DRESDEN NUCLEAR POWER STATION UNIT 3. (I THIS WILL CONFIRM A CONVERSATION WITH F MAURA OF YOUR . .:

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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

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SPECICATIONS. THE. SWITCH WAS IMMEDIATELY RESET TO OPERATE . ,_..(

AT 146.5 INCHES OF WATER INCREASE. D?IS 3-2353 WAS ALSO CHECKED c*; *'

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AND FOUND TO OPERATE WITH IN TECHNICAL SPECIFICATION LMITS.

- ---**-- ..... -- .. ----0 ADDITIONAL DETAILS ARE FORTH COMING IN THE FORM OF A 10 DAY

c. . LETTER B B STEPHENSON .

( SUPE~INTENDENT DRESDEN NUCLEAR POWER STAT ION

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