ML16161B051

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Forwards IE Info Notice 79-24, Overpressurization of Containment of PWR Plant After Main Steam Line Break. No Action Required
ML16161B051
Person / Time
Site: Oconee, Mcguire, McGuire  Duke Energy icon.png
Issue date: 10/01/1979
From: James O'Reilly
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
To: Parker W
DUKE POWER CO.
References
NUDOCS 7910170725
Download: ML16161B051 (4)


Text

0 eUNITED STATES NUCLEAR REGULATORY COMMISSION REGION II 101 MARIETTA ST., N.W., SUITE 3100 ATLANTA, GEORGIA 30303 OCT 1 1979 In Reply Refer To:

RII:JPO

,--50-269, 50-270 Duke Power Company Attn: W. 0. Parker, Jr.

Vice President, Steam Production P. 0. Box 2178 Charlotte, North Carolina 28242 Gentlemen:

The enclosed Information Notice provides information with regard to an analysis that identifies an event that could result in overpressurization of containment at a pressurized water reactor.

Sincerely, James P. O'Reilly Director

Enclosures:

1.

Information Notice No. 79-24

2.

List of IE Information Notices Issued in the Last Six Months

OCT 1 1979 Duke Power Company

-2 cc w/encl:

M. D. McIntosh, Project Manager Post Office Box 488 Cornelius, North Carolina 28031 J. C. Rogers, Project Manager Post Office Box 33189 Charlotte, North Carolina 28242 J. E. Smith, Station Manager Post Office Box 1175 Seneca, South Carolina 29678

IE Information Notice No. 79-24 Enclosure October 1, 1979 Page 1 of 2 LISTING OF IE INFORMATION NOTICES ISSUED IN LAST SIX MONTHS Information Subject Date Issued To Notice No.

Issued 79-24 Overpressurization of 10/1/79 All power reactor Containment of a PWR facilities holding Plant After a Main Steam OLs and CPs Line Break 79-23 Emergency Diesel Generator 9/26/79 All Holders of CPs Lube Oil Coolers and OLs 79-22 Qualification of Control 9/17/79 All Holders of CPs Systems 9/14/79 All Holders of OLs 79-21 Transportation and Commer-9/11/79 All Licensees as Supple cial Burial of Radioactive mental Information to Materials IE Bulletin Nos. 79-19

& 79-20 79-20 NRC Enforcement Policy 9/7/79 All Holders of Reactor (Rev. 1)

NRC Licensed Individuals OLs and CPs and Production Licensees with Licensed Operators 79-20 NRC Enforcement Policy 8/14/79 All Holders of Reactor NRC Licensed Individuals OLs and CPs and Production Licensees with Licensed Operators 79-19 Pipe Cracks in Stagnant 7/18/79 All Holders of Reactor (Correction -

Borated Water Systems at OLs and CPs Enclosure)

PWR Plants 79-19 Pipe Cracks In Stagnant 7/17/79 All Holders of Reactor Borated Water Systems At OLs and CPs PWR Plants 79-18 Skylab Reentry 7/6/79 All Holders of Reactor OLs

IE Information Notice No. 79-24 Enclosure October.1, 1979 Page 2 of 2 LISTING OF INFORMATION NOTICES ISSUED IN LAST SIX MONTHS Information Subject Date Issued To Notice No.

Issued 79-17 Source Holder Assembly Damage 6/20/79 All Holders of Reactor Damage From Misfit Between OLs and CPs Assembly and Reactor Upper Grid Plate 79-16 Nuclear Incident at Three 6/22/79 All Research Reactors Mile Island and Test Reactors with OLs 79-15 Deficient Procedures 6/7/79 All Holders of Reactor OLs and CPs 79-14 NRC Position of Electrical 6/11/79 All Power Reactor Cable Support Systems Facilities with a CP 79-13 Indication of Low Water 5/29/79 All Holders of Reactor Level in the Oyster Creek OLs and CPs Reactor 79-12 Attempted Damage to New 5/10/79 All Fuel Facilities Fuel Assemblies Research Reactors, and Power Reactors with an OL or CP 79-11 Lower Reactor Vessel Head 5/7/79 All holders of Reactor Insulation Support Problem OLs and CPs