NRC Generic Letter 1984-19: Difference between revisions

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{{#Wiki_filter:UNITED STATESNUCLEAR REGULATORY COMMISSIONWASHINGTON, D. C. 20555August 6, 1984TO ALL LICENSEES OF OPERATING REACTORS, APPLICANTS FOR OPERATING LICENSES,AND HOLDERS OF CONSTRUCTION PERMITSGentlemen:SUBJECT: AVAILABILITY OF SUPPLEMENT 1 TO NUREG-0933, "A PRIORITIZATION OFGENERIC SAFETY ISSUES" (Generic Letter No. 84-19)This letter is to inform you that Supplement 1 to NUREG-0933, "APrioritization of Generic Safety Issues," will be published in July 1984,and may be purchased by calling (301) 492-9530 or by writing the NRC/GPOSales Program, Division of Technical Information and Document Control, U.S.Nuclear Regulatory Commission, Washington, D.C. 20555, or the NationalTechnical Information Service, Department of Commerce, 5258 Port Royal Road,Springfield, VA 22161.The Supplement presents the priority rankings for generic safety issuesrelated to nuclear power plants. The purpose of these rankings is to assistin the timely and efficient allocation of NRC resources for the resolution ofthose safety issues that have a significant potential for reducing risk.The safety priority rankings of HIGH, MEDIUM, LOW, and DROP have beenassigned on the basis of risk significance estimates, the ratio of risk tocosts and other impacts estimated to result if resolutions of the safetyissues were implemented, and the consideration of uncertainties and otherquantitative or qualitative factors, as discussed in the Introduction of thereport. To the extent practical, estimates are quantitative. Althoughchanges to nuclear power plant designs or operation are assumed, the solepurpose in prioritizing the issues is to estimate costs and other impactsthat might result if such changes were implemented.The priority rankings in the report are based on generic assessments, i.e.,assessments of plants thought to be typical of a class of plants. Thus, thesafety significance of an issue might be greater (or less) for a specific plantbecause of features of the design or operation that are different from thoseassumed in the generic assessments.The Supplement contains: (1) the issues that have been resolved sincepublication of NUREG-0933 in December 1983; (2) the issues that have beenremoved from further consideration by the NRC (i.e., those issues with LOWor DROP priority rankings); and (3) the issues that are in the process ofresolution (i.e., those issues nearly resolved or with HIGH or MEDIUM priorityrankings).a AnaO7A1 1 f' U JLL.otvouv IW.Lv.
{{#Wiki_filter:UNITED STATES NUCLEAR REGULATORY  
COMMISSION
WASHINGTON, D. C. 20555 August 6, 1984 TO ALL LICENSEES  
OF OPERATING  
REACTORS, APPLICANTS  
FOR OPERATING  
LICENSES, AND HOLDERS OF CONSTRUCTION  
PERMITS Gentlemen:
SUBJECT: AVAILABILITY  
OF SUPPLEMENT  
1 TO NUREG-0933, "A PRIORITIZATION  
OF GENERIC SAFETY ISSUES" (Generic Letter No. 84-19)This letter is to inform you that Supplement  
1 to NUREG-0933, "A Prioritization of Generic Safety Issues," will be published in July 1984, and may be purchased by calling (301) 492-9530 or by writing the NRC/GPO Sales Program, Division of Technical Information and Document Control, U.S.Nuclear Regulatory Commission, Washington, D.C. 20555, or the National Technical Information Service, Department of Commerce, 5258 Port Royal Road, Springfield, VA 22161.The Supplement presents the priority rankings for generic safety issues related to nuclear power plants. The purpose of these rankings is to assist in the timely and efficient allocation of NRC resources for the resolution of those safety issues that have a significant potential for reducing risk.The safety priority rankings of HIGH, MEDIUM, LOW, and DROP have been assigned on the basis of risk significance estimates, the ratio of risk to costs and other impacts estimated to result if resolutions of the safety issues were implemented, and the consideration of uncertainties and other quantitative or qualitative factors, as discussed in the Introduction of the report. To the extent practical, estimates are quantitative.


-2 -This letter does not contain any new requirements or guidance for licensees ofoperating reactors, applicants for operating licenses, and holders ofconstruction permits. No reply is required.Darrell G.( serectorDivision of LicensingOffice of Nuclear Reactor RegulationUNITED STATESNUCLEAR REGULATORY COMMISSIONWASHINGTON. D.C. 20555FIRST CLASS MAIL.POSTAGE & FEES PAI0USNRC.WASH 0 CPERMIT No iL3L15- 71,#33OFFICIAL BUSINESSPENALTY FOR PRIVATE USE. $300120555067009 1US NRCAOM-DIV OF TIOCJ "1CKNIGHTRECOROS SERVICES016WASHINGTONIIS19R2G12G22BRDC 20555  
Although changes to nuclear power plant designs or operation are assumed, the sole purpose in prioritizing the issues is to estimate costs and other impacts that might result if such changes were implemented.
}}
 
The priority rankings in the report are based on generic assessments, i.e., assessments of plants thought to be typical of a class of plants. Thus, the safety significance of an issue might be greater (or less) for a specific plant because of features of the design or operation that are different from those assumed in the generic assessments.
 
The Supplement contains:
(1) the issues that have been resolved since publication of NUREG-0933 in December 1983; (2) the issues that have been removed from further consideration by the NRC (i.e., those issues with LOW or DROP priority rankings);
and (3) the issues that are in the process of resolution (i.e., those issues nearly resolved or with HIGH or MEDIUM priority rankings).
a AnaO7A1 1 f' U JLL.otvouv IW.Lv.
 
-2 -This letter does not contain any new requirements or guidance for licensees of operating reactors, applicants for operating licenses, and holders of construction permits. No reply is required.Darrell G.( serector Division of Licensing Office of Nuclear Reactor Regulation UNITED STATES NUCLEAR REGULATORY  
COMMISSION
WASHINGTON.
 
D.C. 20555 FIRST CLASS MAIL.POSTAGE & FEES PAI0 USNRC.WASH 0 C PERMIT No iL3L 15- 71,#33 OFFICIAL BUSINESS PENALTY FOR PRIVATE USE. $300 120555067009
1 US NRC AOM-DIV OF TIOC J "1CKNIGHT RECOROS SERVICES 016 WASHINGTON
IIS19R2G12G22 BR DC 20555}}


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Revision as of 13:24, 31 August 2018

NRC Generic Letter 1984-019: Availability of Supplement 1 to NUREG-0933, a Prioritization of Generic Safety Issues.
ML031180055
Person / Time
Site: Beaver Valley, Millstone, Hatch, Monticello, Calvert Cliffs, Dresden, Davis Besse, Peach Bottom, Browns Ferry, Salem, Oconee, Mcguire, Nine Mile Point, Palisades, Palo Verde, Perry, Indian Point, Fermi, Kewaunee, Catawba, Harris, Wolf Creek, Saint Lucie, Point Beach, Oyster Creek, Watts Bar, Hope Creek, Grand Gulf, Cooper, Sequoyah, Byron, Pilgrim, Arkansas Nuclear, Three Mile Island, Braidwood, Susquehanna, Summer, Prairie Island, Columbia, Seabrook, Brunswick, Surry, Limerick, North Anna, Turkey Point, River Bend, Vermont Yankee, Crystal River, Haddam Neck, Ginna, Diablo Canyon, Callaway, Vogtle, Waterford, Duane Arnold, Farley, Robinson, Clinton, South Texas, San Onofre, Cook, Comanche Peak, Yankee Rowe, Maine Yankee, Quad Cities, Humboldt Bay, La Crosse, Big Rock Point, Rancho Seco, Zion, Midland, Bellefonte, Fort Calhoun, FitzPatrick, McGuire, LaSalle, 05000000, Zimmer, Fort Saint Vrain, Shoreham, Satsop, Trojan, Atlantic Nuclear Power Plant, Skagit, Marble Hill
Issue date: 08/06/1984
From: Eisenhut D G
Office of Nuclear Reactor Regulation
To:
References
NUREG-0933 GL-84-019, NUDOCS 8408070110
Download: ML031180055 (2)
v • d • e


UNITED STATES NUCLEAR REGULATORY

COMMISSION

WASHINGTON, D. C. 20555 August 6, 1984 TO ALL LICENSEES

OF OPERATING

REACTORS, APPLICANTS

FOR OPERATING

LICENSES, AND HOLDERS OF CONSTRUCTION

PERMITS Gentlemen:

SUBJECT: AVAILABILITY

OF SUPPLEMENT

1 TO NUREG-0933, "A PRIORITIZATION

OF GENERIC SAFETY ISSUES" (Generic Letter No. 84-19)This letter is to inform you that Supplement

1 to NUREG-0933, "A Prioritization of Generic Safety Issues," will be published in July 1984, and may be purchased by calling (301) 492-9530 or by writing the NRC/GPO Sales Program, Division of Technical Information and Document Control, U.S.Nuclear Regulatory Commission, Washington, D.C. 20555, or the National Technical Information Service, Department of Commerce, 5258 Port Royal Road, Springfield, VA 22161.The Supplement presents the priority rankings for generic safety issues related to nuclear power plants. The purpose of these rankings is to assist in the timely and efficient allocation of NRC resources for the resolution of those safety issues that have a significant potential for reducing risk.The safety priority rankings of HIGH, MEDIUM, LOW, and DROP have been assigned on the basis of risk significance estimates, the ratio of risk to costs and other impacts estimated to result if resolutions of the safety issues were implemented, and the consideration of uncertainties and other quantitative or qualitative factors, as discussed in the Introduction of the report. To the extent practical, estimates are quantitative.

Although changes to nuclear power plant designs or operation are assumed, the sole purpose in prioritizing the issues is to estimate costs and other impacts that might result if such changes were implemented.

The priority rankings in the report are based on generic assessments, i.e., assessments of plants thought to be typical of a class of plants. Thus, the safety significance of an issue might be greater (or less) for a specific plant because of features of the design or operation that are different from those assumed in the generic assessments.

The Supplement contains:

(1) the issues that have been resolved since publication of NUREG-0933 in December 1983; (2) the issues that have been removed from further consideration by the NRC (i.e., those issues with LOW or DROP priority rankings);

and (3) the issues that are in the process of resolution (i.e., those issues nearly resolved or with HIGH or MEDIUM priority rankings).

a AnaO7A1 1 f' U JLL.otvouv IW.Lv.

-2 -This letter does not contain any new requirements or guidance for licensees of operating reactors, applicants for operating licenses, and holders of construction permits. No reply is required.Darrell G.( serector Division of Licensing Office of Nuclear Reactor Regulation UNITED STATES NUCLEAR REGULATORY

COMMISSION

WASHINGTON.

D.C. 20555 FIRST CLASS MAIL.POSTAGE & FEES PAI0 USNRC.WASH 0 C PERMIT No iL3L 15- 71,#33 OFFICIAL BUSINESS PENALTY FOR PRIVATE USE. $300 120555067009

1 US NRC AOM-DIV OF TIOC J "1CKNIGHT RECOROS SERVICES 016 WASHINGTON

IIS19R2G12G22 BR DC 20555

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