ML20207G405

PNO-77-215:on 771130,St Vrain Facility Shutdown Due to High Moisture in Primary Sys.Evaluations Prior to Shutdown, Indicated Leakage Associated with Loop 1 of Primary Sys. Steam Generator Leak Suspected

ML20207G405
Person / Time
Site:	Fort Saint Vrain
Issue date:	12/12/1977
From:	Klingler G, Nolan F, Sniezek J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
To:
References
PNO-77-215, NUDOCS 9903120067
Download: ML20207G405 (1)

Text

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' PRELIMINARY NOTIFICATION December 12,'1977 1

PRELIMINARY NOTIFICATION OF EVENT OR UN 3

i 7655I3LE safety or public interest significance.This a \

, m.sj The information presented is as initially received without verification or evaluation a_nd is basically all that is known by IE staff on this date.  !

FACILITY: Fort St. Vrain (DN 50-267), .

1 Public Service Company of Colorado  !

Platteville, Colorado 1 7-1 - .

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SUBJECT:

a SUSPECTED STEAM GENERATOR LEAK The Fort30,St.

November Vrain' 1977, facility was shutdown at approximately . . on 2:00 p due to high moisture in the primary system prior tosystem.

primary shutdown. 'adicated the leakage is associated Evaluations with Loop 1 i A steam generator leak is suspected. The plant will 4

remain shutdown for about two weeks.

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The licensee does not plan to make a press release.

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generator leak, at 9:30 a.m. on December 1,1 the site.  ;

Contact:

GKlingler, IE x28019 FNolan IE x28019 JSniezek IE x2801

' Distribution:

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Chairman Hendrie Transmitted H St)',07 Comissioner Kennedy Commissioner Bradford S. J. Chilk, SECY Commissioner Gilinsky C. C. Kammerer, CA (ForDistribution)

-i Transmitted:. MNBs 2.'(0 P Bldg Me ([

L. V. Gossick, EDO E. Vol ,I E. G. Case, NRR Region S. H. Hanauer. EDO J. J. Fouchard, PA -

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l R. Hartfield, MIPC SS Bldg

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(MAIL R. G. Ryan, OSP C. V. Sm t , HMSS R Z )McTiernan, OIA  ;

H. K. Shapar. ELD R. Minogue, SD l

PRELIMINARY NOTIFICATION h f d I!

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I~- 9903120067 771212 1

h- 215 PDR

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