ML20084S121

Telecopy Ro:On 730515,isolation Condenser High Condensate Flow Isolation DPIS3-1349B Found Out of Calibr Exceeding Tech Spec Limits.Switch Reset

ML20084S121
Person / Time
Site:	Dresden
Issue date:	05/21/1973
From:	Worden W COMMONWEALTH EDISON CO.
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20084S111	List: ML20084S108 ML20084S121
References
NUDOCS 8306160163
Download: ML20084S121 (1)

Text

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at 9: pts to deliver (Indicate DA or BY) j PM3 BOYCE GRIER l

DIRECTOR DIVISION OF COMPLI ANCE REGION THhEE U3 ATOMIC ENERGY COMMISSION TELEX 799 ROOSEVELT RD 3LENN ELLYN ILL 60137

! 393JECa DPR-25 DRESDEN NEUCLEAR F04Eh STATION UNIT 5:

THIS WILL CONFIRM A CONVERSATICN WITH MR FRED NAJRA 0F YOUR OFFICE AT 1520 HOURS THIS DATE CONCERNING I3OLATION CONDEN5ER l l HIGH CONDENSATE FLOW 150LAT10N DPIS5-1549s SElhG OUT OF CALLIBRATION.

ON MAY 15, 1975 THE INSTRUMENT MECHANICS FOUND THIS

3 WITCH TO HAVE A TRIP SETTING OF 52.7 INCHES OF WATER l

j DIFFERENTI AL WHICH EXCEEDS THE TECHNICAL SPECIFICATIONS LIMIT OF 52 INCHES OF WATER.THE SWITCH WS RESET TO TRIP AT 29.5 SF-1N1 (R$-49)

INCHES OF WATER

! W P WORDEN SUPERINDENTENT DRESDEN NEUCLEAR PG4ER STATION ROUTE 1 NRRIS ILLIN0I5

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