ML18087A886

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Responds to 830329 Memo Re Mgt & Technical Issues of ATWS Events.Issues to Be Addressed in NUREG-1000, Generic Implications of ATWS Events at Salem Nuclear Power Plant. RHR Capability Addressed in Unresolved Safety Issue A-45
ML18087A886
Person / Time
Site: Salem  PSEG icon.png
Issue date: 04/29/1983
From: Harold Denton
Office of Nuclear Reactor Regulation
To: Epler E
EPLER, E.P.
Shared Package
ML18087A887 List:
References
REF-GTECI-A-45, REF-GTECI-DC, TASK-A-45, TASK-OR NUDOCS 8305090244
Download: ML18087A886 (6)
v • d • e


Text

Mr. Elbert P. Epler 712 Florida Avenue Oak Hid9e, T<innessi:~e 3'7830

Dear Hro Epler:

APR ZS 1983 j)oc)C.e--f f, le Your memorandum dated ilarch 29~ 1983 to Chairman Palladino and others~

ltrit!i "its ~2nclosed Meino to the f-Tle on the SalePl AHlS~ has been fon:arded to my officr~ for response.

Your commt~nts N<::re related to the manage;:ient and technical issues of tt1e SaleP1 ATHS (_:.vents.

These issuE:s tiil"I be addressee! in NUREG-1000,

'iGc~neric Implications of /\\Tt-JS Events at tht~ Saforn Nuc1ear P<Y~ver Plant 11 This NU!\\EG is b0::i ng prepared by an interoffice, i nterdi sci pl i nary Mnc Task Force establ*ishecl to determine the generic implications of the tv10 Salei**1 events.

Your statements on the importance of 11:~aders!ii p and the interactions be-tween the regulatory agency and licensees have been noted~ These issues have also been considered in the preparation of MUREG-1000.

1~ copy of NUH El~-1 GOO ui 11 be sent to you as soon as it is comp 11'?t.P.d o

~le have al so noted your comments concr;rning the frequency of transients that require protective action and the need for ~dedicated residual heat removal system.

Minimizing th~ frequency of transi!E!nts that te-quire protective action is closely related to the effectiveness of utility management.

Manager:-ient discipline and attention to detail

~ire essential in reducing the number of abnormal pla.nt transients.

As you have indicated~ such a reduction improves not only plant safety but plant availability.

The matter of residual heat removal carJability is being,3ddressed by tt1e staff in Unresolved Safety Issue A-45, ushutdown Decay He~t Removal Re-quirements11.

One of the alternatives under consideration is a (ledicated s.ys tern"

~*le appr~~ciate your views on these important issues and this opportunity to comment on them.

8305090244 830429 PDR ADOCK 05000272 S

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See next page Si ncere1y, Originc;! Sign~ by H. R. Denton Harold R.

Denton~ Director Office of ~uclear Reactor Re0ulation OFFICE.. J~.~-~1.~.~-~-~....... J~.~-~1.~.~-~:.......... ~m~~IP?.~~.......... Pi............. P......... N..................... 01NR.R............

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NRC FORM 318 (10*80) NRCM 0240 OFFICIAL RECORb COPY

Mr. Elb ft P. Epler 712 Flori'da Avenue Oak Ridge,~ennessee 37830 Dear Mr. Ep1~\\.

Your memorandum da,ted March 29, 1983 to Cllairi1 an Palladino and others, with its enclosed ~4~~o to the Fi.1 e on thel<'a em Art-JS, has been forwarded to my office for res1Jonse.

Your comments were re~ed to the managem.nt and technical issues of the Salem l\\THS events..

Thes)\\._ issues will be/addressed in NUREG-lOOO!t 11 Gener~ic Impl icat*ions of An.JS Evem:'s at the Sal el Nuclear Power Pl ant 11

  • This NUREG is b~ing prepared by an int'eroffice, ifiterdisciplinary NRC Task Force es tab 1 i shed to determfoe the \\1ener~*

c mp 1 i cat ions of the two Sa 1 em events.

Your statements on the importa.ce e leadership and the interactions be-tween the regulatory agency and Ji en sees have been noted.

These *; ssues have al so been considered in the 1reparation of MUREG-1000.

A copy of NUREG-1000 will be sent to you s 'soon as it is completed..

t:!e have al so noted your cornme its co~rning the frequency of transients that require protective acti n and the\\need for a dedicated residual heat removal system. Mini, zing the fr'equency of trans'ients that re-quire protective action i closely relat~{! to the effectiveness of utility management.

Man gement disciplini~\\~nd attention to detail are essential in reducing tie number of abnorma'l plant transients.

As you have indicated, such ?/reduction improves no't only pl ant safety but plant availability.~

The matter of resi~al hent removal capability i\\ being addressed by the staff in UnresolvAd Safety Issue A-45, 11 Shutdoi*m bf-ca_y Meat Removal Re-quirements".

O~ of the alternatives under consideration is a dedicated system.

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He appreciat/your viev1s on these important issues ana~his opportunity to comment cjn them.

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Sincerely, Harold R. Oenton, Director Office of Nuclear Re~ctor Regulation cc:

E. Epler cc:

Fa L. Cull er ( EPRI)

J. H. Gibbons (OTA)

L. c. Oakes (ORNL)

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l'1a H0i nberq (Institute i:-

P. \\'Ji l ki nson ( INPO)

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DISTRIBUTION:

J. C. Ebersole, ACRS W. J. Dircks J. M. Allan, Region I R. C. DeYoung G. H. Cunningham Docket File E. Case H. Denton PPAS D. Eisenhut R. Mattson R. Voll mer H. Thompson N. Grace B. Snyder T. Speis ICSB R/ F C. E. Rossi (2)(PF)

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"* l, Mr. Elbert P. Epler 712 Florida Avenue Oak Ridge. Tennessee 37830

Dear Mr. Epler:

Your memorandum dated March 29, 1983 to Chainnan Palladino and others, *

  • with its enclosed Memo to the File on the Sal em Ants. has been forwarded to my office for response.

Your comments were rel'ated to the management and technical issues of the Sal ern ATWS events. These f ssues wi 11 be addressed in NUREG-1000, 11Generic Implications of ATWS Events at the Salem Nuclear Power Plant". This NUREG is being prepared by an 1nteroff1ce, interdisciplinary NRC Task Force established to determine the generic implications of the two Salem events.

Your stat~nents on the importance of leadership and the interactions be-tween the regulatory agency and licensees have been noted. These issues have al so been considered in the preparation of NIJREG~lOOO.

P. copy of NUREG-1000 w111 be sent to you as soon as it is completed.

We have also noted your comments concerning the frequency of transients that require protective action and the need for a. dedicated residual heat r~uoval system. Minimizing the frequency of transients that re-quire protective action is closely related to the effectiveness of

  • utility management.

Management d1sciplin*e and attention to detail are.

essential in reducing the number of abnonnal plant _transients.

As you have indicated, such a reduction improves not only plant safety but plant availability.

The matter of residual heat removal capability *; s being addressed by the staff in Unresolved Safety Issue A-45. uShutdown Decay Heat Removal Re-quireiuents".

One of the alternatives under consideration is a ded1cated system

  • Me appreciate your views on these important issues and this opportunity to comment on them.

Sincerely,

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. Mr. Elb t P. Epler 712 Flor1 a Avenue

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Your memorandum

~ed March 29, 1983 to Chai an Palladino and others, w1th 1ts enclosed

  • mo to the File on the sa em ATWS, has been forwarded to my off1 ce for re onse.

Your comments were re~ed to the managem nt and technical issues of. the

  • sa*1 ern AT~lS events.

Thes 1 ssues wi 11 be addressed in NUREG-1000, aGeneri c --. * **

  • Implications of An~s Even at the Sal Nuclear Power Plant".

This NUREG _:,

is being prepared by an 1nt roffice, 1 terdisciplinary MRC Task Force established to detennine the ener1c mplications of the two Salem events.*

Your statements on the importa ce o 1 eadersh1 p and the interactions be-tween the regulatory agency and 11 ensees have been noted. These issues have also been considered in the reparation of NUREG-1000.

A copy of.

NUREG-1000 will be sent to you s soon as it is completed.

We have al so noted your comm t~ co~rning.the frequency of tra~sients.*

  • that require protective act n and the\\-need for a dedicated residual heat removal system. Mini zing the fr\\~uency of transients that re-quire protective action 1 closely relat~!Jo the effectiveness of utility management.

Man gement disciplin and attention to detail are essential in reducing t e number of abnonna plant transients. As you have indicated, such reduction improves not only plant safety but plant availability.

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.The matter of resi ual heat removal. capab11 ity i being addressed by the staff 1n Unresolv d Safety Issue A-45, "Shutdown

~cay Heat Removal Re~,....

quirements". o of the alternatives under considest1on 1s a dedicated.

s::;ecfat your views on these fm~~rhnt issues an \\\\this oppo~tunlty to comment them~

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Sincerely, Harold R. Denton, 'Director Office of Nuclear Reactor Regulation ":.: _*:

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cc: F. l. Culler (EPRI)

.J. H. Gibbons (OTA)

L. C._Oakes (ORNL)

. "' ~A. M. t1einberg (Institute for Energy Analysis).

E. P. Hi lki nson ( INPO}

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. DISTRIBUTION:..

J. C. Ebersole, ACRS

  • .w. J. Dircks J. M. All an, Region I R. C. De Young.*.

G. H. Cunningham

.Docket File.

E. :case H. *Denton

  • PPAS D. Eisenhut R. Mattson R. Vollmer

.. H. Thompson.

. N. Grace B. Snyder T. Speis ICSB R/F

  • C. E. Rossi (2){PF)

R. W. Houston F. Rosa

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