NRC Generic Letter 1986-08

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NRC Generic Letter 1986-008: Availability of Supplement 4 to NUREG-0933, a Prioritization of Generic Safety Issues
ML031150294
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, Washington Public Power Supply System, Shoreham, Satsop, Trojan, Clinch River
Issue date: 03/25/1986
From: Harold Denton
Office of Nuclear Reactor Regulation
To:
References
NUREG-0933, Suppl 4 GL-86-008, NUDOCS 8604160013
Download: ML031150294 (7)


MAR 2 5 1986 TO ALL LICENSEES

OF OPERATING

REACTORS, APPLICANTS

FOR OPERATING

LICENSES, AND HOLDERS OF CONSTRUCTION

PERMITS Gentlemen:

SUBJECT: AVAILABILITY

OF SUPPLEMENT

4 TO NUREG-0933 "A PRIORITIZATION

OF GENERIC SAFETY ISSUES" (GENERIC LETTER 96-08)This letter is to inform you that Supplement

4 to NUREG-0933, "A Prioritization of Generic Safety Issues," was published in February 1986.This 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 NUREG-0933.

To the extent practical, estimates are quantitative.

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 the publication of NUREG-0933 Supplement

3 in July 1985; (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).

NUREG-0933 and its 4 supplements may be purchased by calling (202) 275-2060 or (202) 275-2171 or by writing to the Superintendent of Documents, U.S Government Printing Office, Post Office Box 37082, Washington, D.C. 20013-7082, or the National Technical Information Service, Department of Commerce, 5258 Port Royal Road, Springfield, VA 22161.604160 2hiA-X~tg 7I2

-2 -MAR 2 5 1986 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.

If you have any questions on the subject, please contact Ronald Emrit on (301) 492-4576.Sincerely, Harold R. Denton, Director Office of Nuclear Reactor Regulation DISTRIBUTION

Central File SPEB Rdg.DSRO CHRON HMenton DEisenhut JFunches RBernero FMiraglia HThompson TSpeis BSheron KKniel RFrahm Rtmrit DSRO:SPEB

DSRO:SPEB

DSRO:SPEB

DSRO:DD REmrit:gd RFrahm KKniel BSheron 03/04/86*

03/04/86*

03/06/86*

03/13/86*OFC :DSRO:D :DPL-A:D :DPL-B:D :DBL;D :PPAS:D- * :NR:DD :N--- _ .____------------


---------:---h;9

:----- fk-- --: NAME :TSpeis :HThompson

FMirgalia
RBernero
JFunches
DFEW&bt :H nhtn DATE :03/13/86*
03/10/86*
03/07/86*
03/10/86*
03/11/86
03/fJ'86
036i86 OFFICIAL RECORD COPY*Previous concurrence on file w/SPEB.

-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.

If you have any questions on the subject, please contact Ronald Emrit on (301) 492-4576.Harold R. Denton, Director Office of Nuclear Reactor Regulation DISTRIBUTION

Central File SPEB Rdg.DSRO CHRON MDenton DEisenhut JFunches RBernero FMiraglia HThompson TSpeis BSheron KKniel RFrahm REmrit DSRO:SPEB

DSRO:SPEB

DSRO:SPEB

D REmrit:gd RFrahm KKniel B on 03/04/86*

03/04/86*

03/06/86*

03 13/86 OFC :- & Qt- :DPL-A:D :DPL-B:D :DBL:D :PFAS:D :NRR-DD :NRR:D----- ----- :-- --- --: --- ----:- --------------

---------__

_ _NAME :TS s :HThompson

FMirgalia
RBernero
JFunches
DEisenhut
HDenton DATE :034(3/86
03/10/86*
03/07/86*
03/10/86*
03/ /86 :03/ /86 :03/ /86 OFFICIAL RECORD COPY*Previous concurrence on file w/SPEB.

-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.

If you have any questions on the subject, please contact Ronald Emrit on (301) 492-4576.Harold R. Denton, Director Office of Nuclear Reactor Regulation DISTRIBUTION

Central File SPEB Rdg.DSRO CHRON HDenton DEisenhut JFunches RBernero FMiraglia HThompson TSpeis BSheron KKniel RFrahm REmrit DSRO:SPEB

DSRO:SPEB

DSRO:SPEB<6- DSRO:DW REmrit:gd RFrahm KKniel 9 BSheron 03o86 J3e 03/tg/86 03/ /86 OFC :DSRO:D :DPL-A:D :DPL-B:D :DBL:D :PPAS:D :NRR:DD :NRR:D NAME :TSpeis :HThompson

FMirgalia
RBernero
JFunches
DEisenhut
HDenton- - _ ------------

_------------

--_-__-_-_-DATE :03/ /86 :03/ /86 :03/ /86 :03/ /86 :03/ /86 :03/ /86 :03/ /86 OFFICIAL RECORD COPY

-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.

If you have any questions on the subject, please contact Ronald Emrit on (301) 492-4576.Harold R. Denton, Director Office of Nuclear Reactor Regulation DISTRIBUTION

Central File SPEB Rdg.DSRO CHRON HDenton DEisenhut JFunches RBernero FMiraglia HThompson TSpeis BSheron KKniel RFrahm REmrit DSRO:SPEB

OSRO:SPEB

DSRO:SPEBW'

DSRO:DD REmrit:gd RFrahm KKniel /" BSheron 03 /486 03A ,6 03/ &/86 03/ /86 OFC :DSRO:D :?! -A:DPL-B:D

DBL:D :PPAS:D :NRR:DD :NRR:D_____.____________--
1 __ __ _______--

-- --: --- --- --- ------- : ------:-- ----NAME :TSpeis t ompson :FMirgalia

RBernero
JFunches
DEisenhut
HDenton DATE :03/ /86 :03/l00/86
03/ /86 :03/ /86 :03/ /86 :03/ /86 :03/ /86 OFFICIAL RECORD COPY

II-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.

If you have any questions on the subject, please contact Ronald Emrit on (301) 492-4576.Harold R. Denton, Director Office of Nuclear Reactor Regulation DISTRIBUTION

Central File SPEB Rdg.DSRO CHRON HDenton DEisenhut JFunches RBernero FMiraglia HThompson TSpeis BSheron KKniel RFrahm REmrit DSRO:SPEB

DSRO:SPEB

DSRO:SPEBW, DSRO:DD REmrit:gd RFrahm KKniel f' BSheron 03 / 86 030e 0 3/t /86 03/ /86 OFC :DSRO:D :DPL-A:D :DPL-t D :DBL:D :PPAS:D :NRR:DD :NRR:U_____.____________.____________--_

-- ----- ------------

------------

_ ___________-


NAME :TSpeis :HThompson

F v &iia :RBernero
JFunches
DEisenhut
HDenton- - _ _ _ _ _---_-------

DATE :03/ /86 :03/ /86 :03/ /86 :03/ /86 :03/ /86 :03/ /86 :03/ /86 OFFICIAL RECORD COPY /

-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.

If you have any questions on the subject, please contact Ronald Emrit on (301) 492-4576.Harold R. Denton, Director Office of Nuclear Reactor Regulation DISTRIBUTION

Central File SPEB Rdg.DSRO CHRON HKenton DEisenhut JFunches RBernero FMiraglia HThompson TSpeis BSheron KKniel RFrahm REmrit DSRO:SPEB

DSRO:SPEB

DSRO:SPEBW4- DSRO:DD REmrit:gd RFrahm KKniel BSheron 03/4/86 03/v 03/i5K/86

03/ /86 OFC :DSRO:D --DPL-A:D :DPL-B:D : PAS:D :NRR:DD :NRR:D_- ---------- : ---- -- --- ------- ----- ------- ----- _ -- --- --_- --- --NAME :TSpeis -:HThompson

FMirgalia Bernero :JFunches
DEisenhut
HDenton_ _ _ _ _ _ _ _ _- ----------

DATE :03/ /86 :03/ /86 :03/ /86 :03//9/86

03/ /86 :03/ /86 :03/ /86 OFFICIAL RECORD COPY

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