ML20236V057

PN-75-105:on 751010,insp of Cable Tunnel During Current Maint Outage Identified Oil Dripping Into Cable Tunnel from EHC Sys,Located on Floor Above.Investigation Continuing Into What Corrective Action May Be Necessary

ML20236V057
Person / Time
Site:	Quad Cities
Issue date:	10/14/1975
From:	Jennifer Davis, Thornburg H, Warnick R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
To:
References
PN-75-105, NUDOCS 9807310271
Download: ML20236V057 (1)

Text

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~T Nf PRELIMINARY NOTIFICATION - NOT FOR PUBLIC DISCLOSURE

' ps October 14, 1975 PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE

--PN-75-105 This preliminary notification constitutes EARLY notice of events of POSSIBLE safety or public interest significance. The information presented is as initially received without verification or evalercion and is basically all that is known by OIE staff as of 10:30 a.m. on the date of this notification.

IT SHOULD BE SPECIFICALLY NOTED THAT THIS

_ NOTIFICATION MAY BE INACCURATE OR INCG"SISTENT.

CONTAIN INFORMATION THAT LATER MAY BE DETERM AN OFFICE OF INSPECTION AND ENFORCEMENT NOTIFICATION WILL OF AN INCIDENT OR OCCURRENCE (BLUE SHEET) SUBSEQUE BE ISSUED IF WARRANTED.

Facility:

Commonwealth Edison Company (Quad-Cities Unit 2)

Subject:

OIL FROM TURBINE ELECTR0 HYDRAULIC CONTROL (EHC) SYSTEM FOUND DRIPPING INTO THE CABLE TUNNEL The. licensee notified Region III that inspection of the cable tunnel during the current maintenance outage had identified oil dripping into the cable tunnel from the EHC system, which is located on the floor above.

necessary.'Investigation is continuing into what correctivh action may be The EHC oil is a nonflammable hydraulic oil (trade name 4

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FYRQUELL).

insulation. However, the licensee is investigating the affect on cable Approximately 50 instrument and control cables may be

{ ~' affected.

Region III received notification of this occurrence by telephone from N. Kalivianakis, Plant Superintendent at 1630 hours0.0189 days <br />0.453 hours <br />0.0027 weeks <br />6.20215e-4 months <br /> on October 10, 1975.

Contact:

RFWarnick, IE x7261 HDThornburg, IE x7353 JGDavis, IE x7541 Distribution:

Chairman Anders Commissioner Mason Commissioner Gilinsky S. J. Chilk, SECY Commissioner Rowden G. F. Murphy, JCAE Commissioner Kennedy C. C. Kamerer, CA L. V. Gossick, EDO D. F. Knuth, IE B. C. Rusche, NRR J. A. Harris, PA J. La Fleur, ISP T. J. McTiernan, AIA K. R. Chapman, NMSS H. K. Shapar, ELD Transmitted: P Bldg / {S, 'N S t /J PN MNBB/ bY/,8, Lugef w -

PRELIMINARY NOTIFICATION - NOT FOR PUBLIC DISCLOSURE r!

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9807310271 751014 f PDR I&E PN-75-105 PDR ,

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