ML20236W790

From kanterella
Revision as of 19:12, 17 February 2021 by StriderTol (talk | contribs) (StriderTol Bot insert)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigation Jump to search
PN-75-157:on 751230,unscheduled Shutdown Completed Due to Increasing Tube Leakage from B Sg.Load Reduction Initiated.Duration of Shutdown Expected to Be Approximately Six Days.State of New York Kept Informed
ML20236W790
Person / Time
Site: Ginna Constellation icon.png
Issue date: 12/30/1975
From: Jennifer Davis, Dreher F, Roy G
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
To:
References
PN-75-157, NUDOCS 9808060211
Download: ML20236W790 (1)


Text

. _ _ _ _ _ _ _ _ - _ _ _ _ _ - _ _ _ _ - _ _ _ _ _ _

gy -

w.

PRELIMINARY NOTIFICATION - NOT FOR PUBLIC DISCLOSURE p [,,p

{ December 30, 1975 PRELD11 NARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE -PN-75-157 *

~

This preliminary notification constitutes EARLY notice of events of i POSSIBLE safety or public interest significance. The information presented is as initially received without verification or evaluation and is basically all that is known by OIE staff as of 1:00 P.M. on

_date of this notification'. IT SHOULD BE SPECIFICALLY NOTED THAT,THIS NOTIFICATION MAY CONTAIN INFORMATION THAT LATER MAY BE DETERMINED'TO BE INACCURATE OR INCONSISTENT. -AN OFFICE OF INSPECTION AND ENFORCEMENT NOTIFICATION OF AN INCIDENT OR OCCURRENCE (BLUE SHEET) SUBSEQ'JE!TILY WILL BE ISSUED IF WARRANTED.

Facility: Ginna (DN 50-244)

Rochester Gas sud Electric Corporation

Subject:

UNSCHEDULED SHUTDOWN An unscheduled shutdown was completed at 4:15 a.m., December 30, 1975, due-to increasing tube leakag,e from the "B" st'eam generator. Leakage was measured ~at 0.00435.gpm on the morning of 12/29/75 and incre'ased by a factor of twenty at 1:10 a.m., 12/30/75, approaching the technical specification limit. Load reduction .was initiated at 2:00 a.m.

~

Duration of the shutdova is expected to be approximately six days.

' Media interest is expected because of close attention paid to nuclear facility ava11abil.ity. The State of New York has been and is being kept inforz6ed.' A press releaae is not planned by the licensee.

IE received- notification of this occurrence by telephone call from the licensee' at 10:40 aim., December 30, 1975. .

/

Contact:

FADreher, IE x27261 GWRoy, IE x27261 JGDavis, IE x27541 Distribution:

Chairman Anders Commissioner Mason S. J. Chilk, SECY Commissioner Gilinsky "Commissiot)er ,Rowden 'G. F. Murphy, JCAE , . , , ,

Commissioner Kennedy C."C. Kammerer, CA

L. V. Gossick,'EDO. D. F. Knuth, IE J. A.. Harris...PA l B. C. Rusche, WRR J., La Fleur, ISP ..T. J. McTiernan, AIA K. R. Chapman, NMSS H. K..Shapar, ELD' Transmitted
P' Bldg /!30 H.St /',3  ; MNBB /! Luge A) A/ L.

PRELIMINARY NOTIFICATION - NOT FOR PUBLIC DISCLOSURE (ih 9808060211'751230 PDR 18 E PN-75-157 PDR

. _ _ _ _ _ _ _ _ _ _ _ . - . . _ _ . _ _ . _ . _ . _ _ _ _ . _ . - _ _ .