ML20084L147

Telecopy Ro:On 740419,nine of 16 HPCI High Temp Isolation Temp Switches Tripped at Setpoints Exceeding Tech Spec Limit.Switches Recalibr to 185 F

ML20084L147
Person / Time
Site:	Quad Cities
Issue date:	04/20/1974
From:	Kalivianakis N COMMONWEALTH EDISON CO.
To:	Oleary J US ATOMIC ENERGY COMMISSION (AEC)
Shared Package
ML20084L137	List: ML20084L135 ML20084L140 ML20084L147
References
NUDOCS 8305200281
Download: ML20084L147 (1)

Text

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REFERENCE QUAD CITIES NUCLEAR POWER STATION UNIT 1 DOCKET #50a254 O DPR29 APPENDIX A SECTIONS 1.0.A.2, 3.2.A, CABLE 3.2.1, 6.6.B.1.A ON APRIL 19 1974 WITH UNIT 1 IN COLD SHUT DOWN FOR THE CURRENT i REFUEt,ING OUTAGE SERVALENCE TESTS REVEALED 9 0F 16 HPCI HIGH O TEMPERATURE ISOLATION TEMPERATURE SWITCHES WITH SET POINTS EXCEEDING THE LIMITING CONDITION FOR OPERATION OF LESS THAN OR EOUAL 70 t

200 DEGREES FAHRENHE!T ALL 16 TEHRERATURE SWITCHES WERE RECALIBRATED O TO 165 DEGREE 3 FAHRENHEIT N J KALIVIANAKIS

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