ML20084L558

Telecopy Ro:On 740815,during Routine Surveillance,Drift of HPCI Sys Low Pressure Isolation Switches Above Reset Point Discovered.Switches Reset Immediately

ML20084L558
Person / Time
Site:	Dresden
Issue date:	08/16/1974
From:	Stephenson B COMMONWEALTH EDISON CO.
To:	Oleary J US ATOMIC ENERGY COMMISSION (AEC)
Shared Package
ML20084L552	List: ML20084L550 ML20084L558
References
8585, NUDOCS 8305230370
Download: ML20084L558 (1)

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SUBJECT:

DPR-19 DRESDEN NUCLEAR PO'VER STATION UNIT 2.

THIS WILL CONFIRM A CONVERSATION VITH F. MAURA 0F YOUR OFFICE AT 1450 HOURS Tit!S DATE CONCERNING DRIFT OF HIGH PRESSURE COLLANT INJECTION SYSTEMS (HPCI) LOW PRESSURE ISLOATION SWITCHES TO .

RESET POINT ABOVE THE 90 PSI AT WHICH HPCI IS RE;;UIRED TO BE OPERABLE, CONDITIONS VAS DISCOVERED AT 1750 15 AU3 74 DURIN1 ROUTINE SURVEILLANCE ACTUAL VALUES OF SWITCHES

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