ML20086A044

Telecopy AO 76-012:on 760527,helium Circulator 1B Tripped Twice.Caused by Buffer Seal Malfunction.Sys Operating Procedure Will Be Revised

ML20086A044
Person / Time
Site:	Fort Saint Vrain
Issue date:	05/28/1976
From:	Hillyard H PUBLIC SERVICE CO. OF COLORADO
To:	Howard E NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML20086A050	List: 05000267/LER-1976-012, Circulator 1B Tripped. Caused by Buffer Seal Malfunction.Sys Operating Procedure for Reset Following Trip Will Be Revised ML20086A044
References
AO-76-012, AO-76-12, NUDOCS 8311110222
Download: ML20086A044 (1)

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bU INFOMASTFR PUP SFR CO DN 035370AIA9 17dPFST 001 DENVFR COLO MAY PS ZIP 76012 F MORRIS HOkARD RFGION IVs RFGULATORY OPFRATION NUCLFAR RFOUL ATORY COMMISSION

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611 RYAN PLAZA DR, SUITF 1000 ARLINGTON, TFXAS 76012 l

ON 5-P7-76. TkO UNFXPFCTFD TRIPS OF HELIUM CIRCLL ATOR IP OCCURRED.

INITT AL IND! RATIONS ARF TH AT A NEk MODI FICATION TO THF PLFFF6 SFAL MALFUNCTION TPIP LOGIC RFCU!PFS A PFVISION TO THE SYSTFM OPFR ATING PROCEDURE FOR PPS RFSFTTING FOLLOkING A TRIP DUE TO DUFFER SEAL M AL FUNCTION.

THIS IS IDENTIFIFD AS APNORMAL OCCURRENCE 76/12 PER FT. ST VRAIN TFCHNICAL SPFCIFICATIONS SFCTION 2 1, PARAGRAPH G

( DFTFRMIN FD 5-28-76).

M k HILLYARD, JR.

NUCLFAR GENFRATING STATION FORT ST VRAIN PUPLIC SFRVICF COMPANY OF COLORADO 550 FIFTFFNTH STREET DFN VFR, COLORADO 80202

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~,3 831IIIO222 760528

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DR ADOCK 05000267 PDR

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