Report a Safety Concern
Search
Home Site Help

NRC Site Search: Search All Sites

Filter by Document Type

Sort Documents by

Perry Nuclear Power Plant, Unit No. 1, re: Safety Evaluation by the Office of Nuclear Reactor Regulation Related to Request VR-1, Revision 1 for the Third Ten-Year Interval Inservice Testing Program.

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555·0001 February 22, 2012 Mr. Vito A. Kaminskas Site Vice President FirstEnergy Nuclear Operating Company Mail Stop A-PY -A290 P.O. Box 97, 10 Center Road Perry,OH 44081-0097 SUBJECT: PERRY NUCLEAR POWER PLANT,...

River Bend Station - Unit 1, Operation Prohibited by Plant Technical Specifications due to Incorrectly Connected Motor Leads for 'B' Primary Containment Unit Cooler Service Water Supply Valve, Licensee Event Report 50-458/00-005-00.

-EntergyEntergy Operations, Inc.River Bend Station5485 U.S. Highway 61P. 0. Box 220St. Francisville, LA 70775Tel 225 336 6225Fax 225 635 5068Rick J. KingDirectorNuclear Safety AssuranceApril 20, 2000U. S. Nuclear Regulatory CommissionATTN: Document Control DeskWashington, DC 2...

Annual Assessment Letter For Brunswick Steam Electric Plant, Units 1 AND 2 - NRC Inspection Reports 05000325/2017006 And 05000324/2017006, 05000325/2017402 And 05000324/2017402, 05000325/2017501 AND 05000324/2017501.

UNITED STATES NUCLEAR REGULATORY COMMISSION REGION II 245 PEACHTREE CENTER AVENUE NE, SUITE 1200 ATLANTA, GEORGIA 30303-1257 February 28, 2018 William R. Gideon Site Vice President Brunswick Steam Electric Plant 8470 River Rd. SE (M/C BNP001) Southport, NC 28461 SUBJEC...

Application for amends to Licenses DPR-31 & DPR-41, modifying Tech Spec 4.7.2 re component cooling water sys surveillance requirements to permit verification of HX surveillance curves via tests under plant conditions.

,ACCELERATED D TRIBUTION DEMONS TION SYSTEMREGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)ACCESSION NBR:9107030301 DOC.DATE:~ 91/06/21 NOTARIZED: YES 'OCKETFACIL:50-250 Turkey Point Plant, Unit 3, Florida Power and Light C 0500025050-251 Turkey Point Plant, Unit4,Florida Pow...

Prairie Island Nuclear Generating Plant, Units 1 and 2 - Nonacceptance of Requested Licensing Action Related to Request to Approve Site-Specific Probabilistic Risk Assessment Model for Flowserve N-Seal Abeyance Seal (EPID L-2019-TOP-0035).

February 10, 2020 Mr. Scott Sharp Site Vice President Prairie Island Nuclear Generating Plant Northern States Power Company - Minnesota 1717 Wakonade Drive East Welch, MN 55089 SUBJECT: PRAIRIE ISLAND NUCLEAR GENERATING PLANT, UNITS 1 AND 2 – NONACCEPTANCE OF REQUESTE...

2011/07/05 Turkey Point COL Hearing - REQUEST FOR ADDITIONAL INFORMATION LETTER NO. 027 RELATED TO SRP 02.02.03 EVALUATION OF POTENTIAL ACCIDENTS FOR THE TURKEY POINT PLANT UNITS 6 AND 7

1PMTurkeyCOLPEm ResourceFrom: Comar, MannySent: Tuesday, July 05, 2011 4:31 PMTo: orthen, Richard; Raymond Burski; Steve Franzone; STEVEN.HAMRICK; TurkeyCOL Resource; William Maher; RidsAcrsAcnw_MailCTR Resource; RidsNroDnrlNwe1 Resource; RidsNroLAKGoldstein Resource; RidsOgcM...

Insp Rept 50-322/85-23 on 850429-0501.No violation or deviation noted.Major areas inspected:emergency lighting & safe shutdown capability of plant in event of fire & followup of previous insp.

n'. ,,-_,*.U.S. NUCLEAR REGULATORY COMMISSIONREGION IReport No. 50-322/85-23Docket No. 50-322License No. NPF-19 Priority Category C-Licensee: Long Island Lighting Company175 East Old Country Road.Hicksville, New York 11801Facility Name: Shoreham Nuclear Power StationInspection...

Ack receipt of 960826 ltr request re plant requirement to install on line,continuous,automated gaseous & liquid effluent monitoring sys at effluent release point sources & isotopic monitors for gaseous stacks & liquid effluent.

l-h*pwt4UNITED STATES., e)[W ,jNUCLEAR REGULATORY COMMISSION;'*WASHINGTON, D.C. 206E6-0001'% #October 24, 1996;i!lMs. Maria Glen HoltCitizens' Monitoring NetworkiPost Office Box 235Bath, Maine 04530)|!Dear Ms. Holt:IlI am responding to your letter of August 26, 1996, to the Ch...

LER 99-005-00:on 990801,RT during plant startup on IRM spiking was noted.Caused by electro-magnetic interference. Inspected,cleaned,burnished & tested IRM 11 range switch. With 990830 ltr.

i,**NiagarahMohawk'',..),August 30,1999 !NMPIL 1459 <|U. S. Nuclear Regulatory Commission)Attn: Document Control Desk iWashington, DC 20555RE: Docket No. 50-220LER 99-05Gentlemen:In accordance with 10 CFR 50.73(a)(2)(iv), we are submitting LER 99-05, " Reactor TripDuring Plant...

LER 87-009-00:on 871023,Failure & Malfunction Rept 87-600 written to document original design/const deficiency identified during review of conduit layout drawing E-343. Caused by deficiency in original plant design.W/871121 ltr.

- - - - - - - _ _ - - .*nsNRC Perm 300U.S. NUCLEAR Kt1ULAT24Y COamesgB400fAPPROVED ones NO.3100-0104LICENSEE EVENT REPORT (LER)8"'Res. emsf ACILITV NAasE IUDOCKST NURABGR 42) PAG. (3BPilgrim Nuclear Power Stationo js to go jo|2| 9 3 1 |oFj 0 |41" ' ' ' ' *Class I Conduit Route...

Notice of violation from insp on 970421-25.Violation noted: licensee determined that Waterford 3 Security Superintendent had not been notified prior to or concurrently w/depature from plant site of approx 10 contract employees.

. .- - - -. ._ . . _ . ._..ENCLOSURE 1NOTICE OF VIOLATIONiEntergy Operations, Inc.Docket No.: 50-382Waterford Steam Electric Station, Unit 3License No.- NPF-38EA 97-236.lDuring a reactive inspection conducted on April 21-25,1997, four violations of NRCJrequirements were identi...

Calvert Cliffs Nuclear Power Plant, Units 1 and 2 - Regulatory Audit Summary Regarding Request to Adopt 10 CFR 50.69, "Risk-Informed Categorization and Treatment of Structures, Systems and Components for Nuclear Power Reactors" (EPID L-2018-LLA-0482)

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 Ma. y 3 0 , 2 i) 1 9 Mr. Bryan C. Hanson Senior Vice President Exelon Generation Company, LLC President and Chief Nuclear Officer Exelon Nuclear 4300 Winfield Road Warrenville, IL 60555 SUBJECT: CALVERT CL...

Corrected memo proposing addl resolutions of USI A-45, "Shutdown DHR Requirements," including certification of feed-and-bleed capability at each plant,direct use of feedback from experience & protection against sabotage.

---_CORRECTED COPY: 2/28/89 .- 4ee Page U/f'o - UNITED STATES.gNUCLEAR REGULATORY COMMISSIONgg,/ g*.fADVISORY COMMITTEE ON REACTOR SAFEGUARDSOWASHINGTON, D. C. 20656pg*****September 14, 1988The Honorable Lando W. Zech, Jr.ChairmanU.S. Nuclear Regulatory ComtrSsionWashington, D...

LER 90-016-00:on 901213,plant experienced RCS low pressure trip.Caused by low RCS pressure input to RPS due to reactor power to feedwater flow mismatch.Suspect CRD motor generator set voltage regulator card replaced.W/910114 ltr.

/*e,*..EmtotrooEDISONA cerarnu [ ne g, et,mpon,r1 OtSON PLAZA330 MADISON AVENUETOLIDO, OH:D 436N' 07J1Log No.: AB-92-0002NP 33-90-20||Docket No. 50-346License No. NPF-3|January 14, 1991United States Nuclear Regulatory CommissionDocument Control DeskVashington, D. C. 20555Gen t...

Brunswick Units 1 & 2, License Amendments 50 & 75, Modifying Licenses to Extend From 72 Hours to Seven Days the Period of Time That a Diesel Generator May Remain Inoperable Before a Plant Shutdown Must be Initiated.

OISTRIB UT ION: -, Docket Filese S. Norris J. Van Vliet L. Schneider D. Brinkman R. Ballard NSICNRC PDR OELD ACRS-I 0 ASLABLPDR SECY OPA-C. GrayORB#2 Rdg I&E-2 Miles Extra-5D. T. R.Eisenhut Barnhart-8 Diggs.acket ,!os. 50-325 and 50-324September 9, 1982iir. J. I'. Jones Se...

Summary of Telephone Conference Held on January 10, 2005, Between the U.S. Nuclear Regulatory Commission and Nuclear Management Company, LLC, Concerning Requests for Additional Information Pertaining to the Point Beach Nuclear Plant, Units 1 and 2.....

January 19, 2005LICENSEE: Nuclear Management Company, LLCFACILITY: Point Beach Nuclear Plant, Units 1 and 2SUBJECT: SUMMARY OF TELEPHONE CONFERENCE HELD ON JANUARY 10, 2005,BETWEEN THE U.S. NUCLEAR REGULATORY COMMISSION ANDNUCLEAR MANAGEMENT COMPANY, LLC, CONCERNING REQUESTS F...

LER 84-023-02:on 841109,w/plant in cold shutdown,reactor protection sys low-flow-trip for four primary coolant pumps operation set incorrectly.Caused by low-flow-trip calibr not being performed.Calibr performed.W/850320 ltr.

.9.'va muctuan meeusavoav w ensonmac me**3 8 an.novej one no aise etos.* * * " ' ' ' ' * *LICENSEE EVENT REPORT (LER)'' *I. 6,7v .a . .o .T. ., .a.s .PALISADl!3 NUCLEAR PLANT oI5IoIoIoI215I5 1 loFlo I hTitLa imRn.ctor 'Irip Set Less Than Technical Specifications Limiteve =7 on...

Forwards proprietary WCAP-12914 & nonproprietary WCAP-12913, "Structural Evaluation of Salem Nuclear Plant Units 1 & 2 Pressurizer Surge Lines,Considering Effects of Thermal Stratification." WCAP-12914 withheld (ref 10CFR2.790).

Westinghouse Electric Corporation • Energy Systems Document Control Desk US Nuclear Regulatory Commission Washington, DC 20555 Attention: Dr. Thomas Murley, Director •• Box 355 Pittsburgh Pennsylvania 15230-0355 May 13, 1991 CAW-91-156 APPLICATION FOR WITHHOLDING PROPRIETARY I...

GENERIC LETTER 97-01, "DEGRADATION OF CRDM/CEDM NOZZLE AND OTHER VESSEL CLOSURE HEAD PENETRATIONS" - REVIEW OF THE RESPONSES FOR THE DIABLO CANYON POWER PLANT, UNIT NOS. 1 AND 2.

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 November 12, 1999 Mr. Gregory M. Rueger Senior Vice President and General Manager Pacific Gas and Electric Company Diablo Canyon Nuclear Power Plant P. O. Box 3 Avila Beach, CA 94177 SUBJECT: GENERIC LETTE...

Responds to recipient 870330 ltr forwarding ltr from E & R Lewis re operation of plant.Lewises requested comments on "possibility of getting Russellville plant in line w/ federal regulations." NRC performing independent reviews.

cJ ,, ,#'o, UNITED STATES'8 ' y,NUCLEAR REGULATORY COMMISSIONW A5HINGTON, D. C. 20555$. apk * . . . ,o#MYl1lWI3/ 3The Honorable David PryorUnited States SenateWashington, D.C. 20510-6350Dear Senator Pryor:I am responding to your letter dated March 30, 1987 addressed toMr. Carl...

LER 97-022-01:on 970911,determined that conditions had not been properly established in CCW sys to meet plant piping design code requirements.Caused by manual valves installed in CCW sys piping.Revised procedure.W/971031 ltr.

ICATEGORY 1 REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)'ACCESSION NBR:9711050221 DOC.DATE: 97/10/31NOTARIZED: NO DOCKET ¹FACIL:50'-315 Donald C. Cook Nuclear Power Plant, Unit 1, Indiana M 05000315AUTH.NAME AUTHOR AFFILIATION-PISARSKY, F. Indiana Michigan Power Co.BLIND,...

LER 99-003-00:on 990408,declared plant HPCI sys inoperable due to loose wire.Caused by failure to properly tighten screw at some time in past.Loose wire was tightened.

NRC FORM 366(6.1998)U.s. NUCLEAR REGULATORY COMMISSIONLICENSEE EVENT REPORT (LER)(See reverse for required number ofdigits/characters for each block)APPROVED BY OMB NO. 31SO-0104 EKPIREs ONsoaootEsgmated burden per response to comply. with this mandatory Informationcosecbon re...

LER 13-002-00 For Joseph M. Farley Nuclear Plant, Unit 1, Regarding 1B Emergency Diesel Generator in a Condition Prohibited by Technical Specifications due to an Unreliable Mechanism Operated Cell Switch.

Thomas A. Lynch Vl''; ~ Pr!;1;ldent - Fil r~ ey Southam Nuclear Opemting Company, Inc. F ;.!r e v Nuclear Plant Post Office Drawer 470 Ash ford, Alabama 36312 Tel 33 4.8144511 Fax 334 . 814 4728 SOUTHERN ',. COMPANY December 3, 2013 Docket No.: 50-348 NL-13-2330 U. S. Nuclear ...