ML19350E950

Advises That Interim Review of Westinghouse Owners Group Submittal for TMI Action Plan Item I.C.1 Re Evaluation & Development of Procedures for Transients & Accidents Reviewed.Further Work Necessary

ML19350E950
Person / Time
Site:	Farley
Issue date:	06/11/1981
From:	Youngblood B Office of Nuclear Reactor Regulation
To:	Clayton F ALABAMA POWER CO.
References
RTR-NUREG-0737, RTR-NUREG-737, TASK-1.C.1, TASK-TM NUDOCS 8106230687
Download: ML19350E950 (2)

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1 JUN i1 31 DEisenhut TERA BJYoungblood.-

NRC/PDR' JThoma L/PDR MRushbrook TIC Occket No.: %-3F4 RTedesco ACRS (16)

.RVollmer

.NSIC TMurley Mr. F. L. Clayton RMattson Senior Vice President RHartfield, MDA Alabama Pcwer Crocany WJohnston Post Office -Box 2641 OELC Birmingham, Alabana 35291 OIE (3)

Subject:

Staff Evaluation of Icen I.C.) for Westingbouse Facilities he have conpleted our interim review of the Westinghouse Owners Group subnittal for Action Plan iten I.C.1, Guidance for the Evaluation and Development of Preceden es for Transients and Accidents. A copy of Mr. Eisennut's May 28, 1901 letter to :le. Jurgensen, Chairman, ' Jesting-house Owners Group is enclosed for your infor-'tation. As indicated in the enclosure, furtner work will be necessary in order to produce a document

'unich satisfies the staff positions in a tirely ratter.

Sincerely, e

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B. J. Youngblood, Chief 8

q Licensing Bra,ch Ho.1 Givision of Licensinc

~d EN 18 'i$31 m 7 !

Enclosure:

As stated

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~ 'Mri:F.LL. Clayton,lJr... Senior'Vice .", ~ ' Pres.i dent '.. LAlabama. Power Company ( (

Post" Office: Box'2641..;

c Birmingham,7 Alabama: :35291. '1 , :'cc. -Mr.;W. 0.:,Whitt~ ^ Executive'Vice. President! . Alabama Power Company

Post Office Sox-2641.-

- B_irmi ngh'am',l Alabama :35291 +- Mr. Ruble A.' Thomas-f . Vice President; _ 7 fSouthern Company Services, Inc. .'- ' Post: Office ~ Box 2625

. Birmingham.. Alabama. '35202' Mr.. George F. ~ Trowb' ridge.

Shaw, Pittman,iPotts and Trowbridge 1800.M Street, N. W. . Washington, D. C.~ 20036' Mr. W. -Bradford ' i tiRC' 'lesident Inspector P. 0. Box 1814 ~ - Dothan, Alabama 36302 4 e ~ W . 9 .k u a Q.' ~ t J L

( w -- p 3 Enw. ) ,p -w.. 'Ul4tTED srATEs. ff NUCLEAR' REGULATORY COMMISSION + _ W?g 94& % ' WASHINGTON. D. C. 20$55 - RL%}/ > I'L %9 [ ieY 2 8 1981 4,y,# Robert W.'Jurgensen, Chair' man Westinchouse Odners~ Group American Electric Power Service - l Corporation ~ 2' Broadway. -tiew York, tiew York.10004 -

Dear Mr. Jurgensen:

18, 1981.(06-54), you summarind a meeting .In your letter. dated Marchbetween. representatives;of the tiRC staff, held on February 20, 1981 The,surpose Westinghouse 0wners,. and Westinghouse Electric Corpora ~ activities in-response to ??UREG-0737, Clarification of TMI Action Plan Recuirements, Item I.C.1', Guidance for the EV3}Jation and Develop-Following the meeting ment of Procedures for Transients and Accidents. - summary, you requested that the staff ackncwledge tne acceptability of. .the program described in the meeting. As indicated in a meeting with Tom Anderson, of Westinghouse, on April 8, abnut the acceptability of the WCG

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1981, we have concerneThe last submittal of generic' WOG guidelines, including the inade:uate Core Cooling Guidelines, required the coerator to diagnose program. a scecific event using tne diagnostic procedure included in the guide-Subsecuent failures were, essentially, addressed by entry into As indicated in the lines. one of the inadequate core cooling guidelines. February meeting and discussed in ycur letter, the guidelines 'do not provide smooth transitions from the event procedures to direct theThis operator if subsequent multiple or.consecuential failures occur. leaves the operator with no guidance until entry conditions for the ~ Furthermore, the Inadecuate Core Cooling Guidelines are reached. guidelines do not address suoseauent reevaluation of plant conditions to ensure that the expected plant response is occurring. Our second concern is your proposed schedule for completing the program recognizing that development of emergency operating procedures is aHowever, w ~ dynamic process witn no absolute end point.that continual, major re burden on plant operating staffs and confusing.to the coerators who In the February meeting, WOG representa-must relearn the procedures. tives indicated thay they expect to have the initial development phase of the guidelines comaleted in July 1981, and would not expect major the pnases to be ccmoleted in changes to the guidelines to result frcYou also state in ycur letter that the January 1982 and July 1982. Howe ve r, initial phase will address over 98 percent of the total risk. we were also told in the meeting that the guidelines te be submitted in July would probably not differ greatly from those already submitted. Considering our concerns witn the existing guidelines, as addressed above, we do not see how the ' July submittal can ce resconsive to We believe that tiUREG-0737, Item I.C.1 without significant change. additional '~ork is necessary. t.L@ b.L E G.5 W i f --.e ~ ,n -,.r r ..cw .n-

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!Theistaff hasJnot completed.its? review 'of WCAP'9691'or the probability

festimates presented in'thefebruary meeting,. andithe Owners Group' has

~ .'notfaddressed the broa'd range of initiating events. ; including. natural: lll. ~

phenomena-sucn as earthquakes, in the' analysis presented to date.

- Therefore, w'e cannot. assessithe overall adequacy of.the-proposede '~ ~? program... Unless our concerns,tas stated.herein,: are 1 satisfied,. the l ability:of licensees:to. meet the schedule for revising their procedures ~ -may ce co;9romised.-

As: indicated in..the April 8',L1981~ meeting, we"have serious doubts that

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theDfull~ range of.:initiatinglevents and subsecuent failures can be

-addressed w thin.the -event. specific. framework. adopted by the. Westing-i house Owners - Group. lIf.~your additional work to date provides 'more. y -insightfintofresolution'of' these concerns',.we would be'available to; meet;with you 'at y6uriconvenience. ~ B'y copy 'of' this letter, %each licansee and'. applicant of:a Westinchouse- ~ type plant, js' being advised of our: evaluation of your-submittai.

incerely, M C,.{jj j,, U N.4U Darrell G. 7_isenhut, Director

~ Division of Licensing; cc: E. Murphy : - W Licensees: j Applicants . P W P 4 I e y A k c~ s .--s ,,,,..,.. ~,.. ., ~. ,r ....,-w..-. v}}