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LER 82-039/03L-0:on 820820,containment to shield bldg differential pressure reached max of 25.2 inches of water representing 2.5% of containment vessel design pressure. Caused by design error in containment purge sys valves.

eNRC F OHM 366U.S. NUCLEAR REGULATORY COMMISSION'(7 77).,ILICENSEE EVENT REPORT|-.CONTROL BLOCK: | | | | | ||h(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)1 6l o l i l l o i n I n i n is l i l@l0 10 l- 10 10 10 is 10 l- le 10 l@l4 11 11 11 11 l@lIl@7 8 9 LICENSEE CODE14 15 L...

E-mail from J Ireland, NMSS to W Allen, NMSS Croft 3979A Containment RAIs and draft SER. Contains "Croft 3979A Containment RAIs.docx" and "Croft 3979A containment draft SER" Attachments.

Allen, WilliamFrom:Sent:To:Subject:Attachments:Ireland, JoAnnFriday, July 20, 2012 3:46 PMAllen, WilliamCroft 3979A containment RAIs and draft SERCroft 3979A containment RAIs.docx; Croft 3979A containment draft SER.docxChris,Attached are my Croft 3979A containment RAIs and dra...

Shearon Harris, TS Bases Change - Containment Isolation Valves.

Progress Energy FEB 1 9 2003 United States Nuclear Regulatory Commission SERIAL: HNP-03-015 ATTENTION: Document Contro 'Desk Washington, DC 20555 SHEARON HARRIS NUCLEAR POWER PLANT DOCKET NO. 50-400/LICENSE NO. NPF-63 TECHNICAL SPECIFICATION BASES CHANGE - CONTAINMENT ISOLATIO...

AO:on 741230,crack found in containment spray check valve. Containment spray check valve & all cracked rackshafts being replaced.

.O O---Vepcos/ y>wac.ima e.scrme.o,o#cosacoser. ,Surry Power Station ,P.O. nox 315Surry Virginia 23883necember 31, 1974-,.Director of Regulatory Operations230 PeachtreeSuite 818Atlanta, Georgia 30303This is to inform you by telecopy within twenty-four (24) hours ofan Abnorma! ...

Proposed changes to Tech Specs 3.6.1.7 & 4.6.1.7.2 re containment venting.

+.CONTAINMENT SYSTEMS'CONTAINMENT VENTILATION SYSTEMLIMITING CONDITION FOR OPERATION3.6.1.7 The 48-inch containment purge supply and exhaust isolation-valves (CBV-HV-3198A, 3198D, 3196, 3197) shall be decctivated andsecured in their closed position. The 8-inch containment vent...

SYSTEM 80+(TM) CONTAINMENT -- STRUCTURAL DESIGN REVIEW.

-.iNUREG/CR-5957IS-5083 !!l|'System 80Containment --Struc~ ural Design Review,!!:,sI|Prepared byL Greimann, F. Fanous, R. Challa, D. IlluhmAmes Laboratory|Iowa State UniversityPrepared for'U.S. Nuclear Regulatory Commission,Irt9306010330 930531PDR ADOCK 05200002A PDR':V:p%.fIi...

SRP Section: 06.02.01 - Containment Functional Design Application Section: 6.2.1 Questions for Containment and Ventilation Branch 1 (AP1000/EPR Projects) (SPCV).

REQUEST FOR ADDITIONAL INFORMATION NO. 126-1558 REVISION 0 112/16/2008 US-APWR Design Certification Mitsubishi Heavy Industries Docket No. 52-021 SRP Section: 06.02.01 - Containment Functional Design Application Section: 6.2.1 QUESTIONS for Containment and Ventilation ...

Proposed tech specs re SBGTS & secondary containment.

_- _ _ _.t.-.|. . ,|,.,i,-|!tExhibit B {::-,Monticello Nuclear Generating Plantji!'Revision 1 to License Amendment Reauest dated June 8.1994:tProposed Changes Marked Up on Existing ;Technical Specification Pages'!Exhibit B consists of the existing Technical Specification pages...

Oyster Creek - Secondary Containment Capability Test Report.

September 23, 2016 RA-16-082 U.S. Nuclear Regulatory Commission One White Flint North · Attn: Document Control Desk or 0-881 11555 Rockville Pike Rockville, MD 20852 Technical Specification 4.5.G Oyster Creek Nuclear Generating Station Renewed Facility Operating License No. DP...

Proposed tech specs 15.1 re definitions,15.3.6 re containment sys,15.4.4 re containment tests & 15.6 re administrative controls.

T-c ,:|a*', .D.'Containment Integrity *Containment integrity is defined to exist when:1) Penetrations required to be isolated during accident conditions are either:Capable of being closed by an operable automatic containment isolation valve,a.1OR!lb.Closed by an operable conta...

Proposed Tech Specs,changing operability requirements of containment fan cooler units,changing amount of time one containment spray pump may be inoperable & deleting requirement for containment fan cooler charcoal absorbers.

Attachment A Technical Specification Page RevisionsConsolidated Edison Company of New York, Inc. Indian Point Unit No. 2 Docket No. 50-247 8766- -20275e706'-7 --June, 1987 ADP 0500247 PDRe. One channel of heat tracing may be out of service for 48 hours. f. One refueling wate...

Waterford Steam Electric Station, Unit 3, RAI, Containment Building Penetrations during Core Alterations and Irradiated Fuel Movement in Containment, MA7999

April 25, 2000Mr.CharlesM.DuggerVice President OperationsEntergy Operations, Inc.17265 River RoadKillona, LA 70066SUBJECT: WATERFORD STEAM ELECTRIC STATION, UNIT 3 - REQUEST FORINFORMATION RELATED TO TECHNICAL SPECIFICATION CHANGEREGARDING CONTAINMENT BUILDING PENETRATIONS DUR...

Email - Subject: FW: 2009 Nov 23 - Containment Unfolded Graphics_IR Mosaic.pptx Attachments: 2009 Nov 23 - Containment Unfolded Graphics_IR Mosaic.pptx.

Masters, Anthony~42fI) ~From:Sent:To:Cc:Subject:Attachments:Categories:Lake, LouisTuesday, November 24, 2009 9:23 AMCarrion, Robert; Thomas, George; Masters, Anthony; Dan nausFranke, MarkFW: 2009 Nov 23 - Containment Unfolded GraphicsIR Mosaic.pptx2009 Nov 23 - Containment Unf...

EPFAQ 2018-003 Containment Detector.

Emergency Preparedness Program Frequently Asked Question (EPFAQ) EPFAQ Number: 2018-03 Originator: David Young Organization: NEI Relevant Guidance: This question concerns NEI 99-01, Development of Emergency Action Levels for Non-Passive Reactors, Revision 6. Applicable S...

"Plant Unique Analysis Rept:Mark I Containment Program."

.Ii!O !:ii|i| Nebraska Public Power District.!::; Cooper Nuclear Station..OPLANTUNIQUE ANALYSIS REPORTMark I Containment Program,i,!i41Revision 0OA p ril,19 8 2'8 2 0.5 0 4 0 3M. - . - - - - _ . _ - _ _ - _ . - _ _ _ - - _ - - .ABSTRACT'k Nebraska Public Power District(NPPD)ha...

Salem, Unit No. 2, Technical Specifications, Consolidate the Containment Isolation Requirements by Moving the Requirements of TS 3/4 6.1.7, "Containment Ventilation System," to TS 3/4 6.3, "Containment Isolation Valves."

- 4 -(2) Technical Specifications and Environmental Plan*The Technical Specifications contained in Appendices A and B,as revised through Amendment No. 260, are hereby incorporatedin the license. The licensee shall operate the facility inaccordance with the Technical Specificat...

San Onofre, Amendments, Containment Isolation Valves

March 9, 2000vf ruŽ #S 1T2 , (I'? Mr. Harold B. Ray Executive Vice President Southern California Edison Company San Onofre Nuclear Generating Station P.O. Box 128 San Clemente, CA 92674-0128SUBJECT: SAN ONOFRE NUCLEAR GENERATING STATION, UNITS 2 AND 3 ISSUANCE OF AMENDMENTS...

Responds to IE Bulletin 80-24, "Prevention of Damage Due to Water Leakage Inside Containment." Weekly containment entries performed to search for water leakage on lower level of containment & results documented in logbook.

consumers Power company General Offices: 212 West Michigan Avenue, Jackson, Michigan 49201 • (517) 788-0550 January 8, 1981 Mr James G Keppler Office of Inspection and Enforcemept Region III U S Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137 DOCKET 50-25...

Discusses secondary containment at facility,formalizing TVA interpretation of containment integrity requirements. Definite clarifications to be submitted to remove ambiguities.

_TENNESSEE VALLEY AUTHORITY, -T 'CH ATTANOOGA, TENNESSEE 374ol400 Chestnut Street Tower II S)6oh~April 29, 1981l4hMr. Harold R. Denton, Directorh*,Office of Nuclear Reactor Regulation' 1 A. / - s'U.S. Nuclear Regulatory Commission% 3 gb'Y#NWashington, DC 20555Dear Mr. Denton:I...

License Amend Request 93-05 to License NPF-86,changing TS to permit mod of containment structure air purge & heating subsystem to provide more reliable means of containment isolation for two containment penetrations.

-. . - .., , .,hrM North'suonoox srnnon umr 1i=imiiE== Aflanfic;Energy Service Corporationim;,Facility Operating' License NPF-86 '

BUCKLING OF STEEL CONTAINMENT SHELLS.Task 1b:Buckling Of Washington Public Power Supply Systems Plant No. 2 Containment Vessel.

. _ __NUREG/CR-2836LMSC D812950iVol.1, Part 2||Buckling of Steel Containment Shells.Task 1b: Buckling of Washington Public Power Supply Systems'Plant No. 2 Containment VesselPrepared by E. Meller, D. BushnellLockheed Palo Alto Research LaboratoryPrepared forU.S. Nuclear Regula...

TSTF-401, "Revise Incorrect Bases for Containment Air Temperature"

(WOG-124, Rev. 1)TSTFr401(W G14 Rev 1)_TF.Industry/TSTF Standard Technical Specification Change TravelerRevise Incorrect Bases for Containment Air TemperatureClassification: 2) Bases Only ChangePriority: 4)Edit/BasesNUREGsAffected: E 1430 E 1431 V 1432 i 1433 W 1434Description...

"Rept of Containment Structure Structural Integrity Test."

DIABLO CANYON SITEUNIT NO. 2REPORT OF CONTAINMENT STRUCTURESTRUCTURAL INTEGRITY TESTPACIFIC GAS & ELECTRIC CO.77 BEALE STREETSAN FRANCISCO, CALIFORNIA 94106Bi073000i5Bi0722'DRADOCK05000275APDRCONTENTS~PaeGeneral SummaryDescription of the Containment StructurePredicted Response...

CONTAINMENT PERFORMANCE WORKING GROUP REPORT.Draft Report For Comment.

-- - - . . - _. ---NUREG-1037ContainmentPerformanceWorkingGroup ReportDraft Report for Comment' U.S. Nuclear RegulatoryCommissionOffics of Nuclear Reactor Regulationp*"%q'-.....|tg 61 g g 8505311037 R PDR.>,._b%%3NOTICEAvailability of Reference Materials Cited in NRC Publicati...

Waste Containment: Strategies & Performance.

WASTE CONTAINMENT: STRATEGIES & PERFORMANCE C.H. Bensnn University of Wisconsin-Madison, Madison, Wisconsin USA ABSTRACT This paper reviews strategies for lining and covering waste containment systems, as well as systems used to remove leachate. Emphasis is placed on factors i...