ML20246C160

Advises That Util 880712 Response to NRC Bulletin 88-004, Potential Safety-Related Pump Loss, Describing long-term Resolution Actions,Acceptable

ML20246C160
Person / Time
Site:	Clinton
Issue date:	04/25/1989
From:	John Hickman Office of Nuclear Reactor Regulation
To:	Holtzscher D ILLINOIS POWER CO.
References
IEB-88-004, IEB-88-4, NUDOCS 8905090276
Download: ML20246C160 (4)

Text

kD&(QQ

.p f *** %

9' ,e ,

k;, UNITED STATES I

[7 j NUCLEAR REGULATORY COMMISSION WASHINGTON, D C.20555 1

1

., f April 25, 1989

• • ae*

l l1 Docket No. 50-461 l

'Mr. Dale 'L. Holtzscher Acting Manager - Licensing and Safety

.Clinton Power Station P.O. Box 678 Mail Cooe V920 Clinton,~ Illinois 61727

SUBJECT:

RESPONSE TO NRC BULLETIN 88-04

?

On May 5, 1988, the NRC staff issued NRC Bulletin 88-04, " Potential

. Safety-Related Pump Loss." The bulletin requested the evaluation of all safety-related pumps for: 1) pump-to-pumpinteractionduringminiflow.nperation that could result in dead-heading of one or more of the pumps, and 2) the- .,

adequacy of the minimum flow by) ass lines with respect to damage resulting i from operation and testing in t1e minimum flow mode. The bulletin'also I requested that within 60 days of receipt of the bulletin, licensees provide a> 'I written response that: (a) summarizes the problems and the systems affected, )

(b) identifies the short-term and long-term modifications to plant operat'ing ]

procedure.s or haraware that have been or are being. implemented to ensure safe '

plant operations, (c) identifies an appropriate schedule for long-term resolution of this and/or other significant problems that are'identifica as a resultofthisbulletin,and(d)providesjustificationforcontinued i operation particularly with regard to General Design Criterion 35 of Appendix A 1 toTitle10oftheCodeofFederalRegulations-(10CFRPart50)~," Emergency Core Cooling" and 10 CFR 50.46, " Acceptance Criteria for Emergency Core Cooling Systems for Light Water Nuclear Power Reactors." Additionally, the i staff requested that within 30 days of completion of the long-term resolution actions, that licensees provide a written response describing the actions  !

taken. 1 By letter dated July 12, 1988, you responded to Bulletin 88-04. Your response provided the information requested in a,.b,_c, and d above. Your respcnse also described the long-term resolution actions and identified a o ccmpletion date of December 9,1989 for those actions. This fulfills your requirement in responding to Bulletin 88-04.  ;

V$

I 6905090276 890425 '

{DR ADOCK 05000461  !

PDC jl

';j

L1

. 1 Mr. Thomas J. Kovach  ;

As discussed in Bulletin 88-04, you should document and maintain for at least l 2 years an evaluation of your actions in responding to the bulletin. These records may be subject to future auditing.

~ Sincerely, ]

g325 X~W John B. Hickman, Project Manager Project Directorate III-2 Division of Reactor Projects III, IV, V, and Special Projects cc: See next page .1 1

l I

i a

l L_. _ _ _ _ _ _ _ . . _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ . . . _ _ _ _ _ _ . . _ _

. . 1 April 25, 1989 j 1

l Mr. Thomas J. Kovach As discussed in Bulletin 88-04, you should document and maintain for at-least i 2 years an evaluation of your actions in responding to the bulletin. These  ;

records may be subject to future auditing.

Sincerely, 2

/

John B. Hickman, Project Manager 4 Project Directorate III-2 )

Division of Reactor Projects III, '

IV, V, and Special Projects cc: See next page j l

1 i

DISTRIBUTION Docket file.. JHickman NRC & Local PDRs OGC PDIII-2 r/f EJordan GHolahan BGrimes MVirgilio 'ACRS(10)

LLuther Plant file l

MW III-2:PM PDIII-2:LA PDHp2:Pb /7'/M3 9 JHickman:dmj DMFI er-LLuther/ -'

4/# T/89 4/2 F/89 " 4/ 4,1 /89

=____________--_--___--_---_-_------- _ _ _ _ _ . - _ _ - - - - . - _ - - - - -

j 1

Mr. Dale L. Holtzscher Clinton Power Station )

Illinois Power Company Unit 1 ]

cc:

Mr. D. P. Hall Illinois Department Vice President of Nuclear Safety j Clinton Power Station ' Division of Engineering '

P. O. Box 678 1035 Outer Park Drive, 5th Floor Clinton, Illinois, 61727 Springfield, Illinois 62704 ,

Mr. R. D. Freeman Mr. Donald Schopfer .,

Manager-Nuclear Station Engineering Dept. Project Manager l Clinton Power Station Sargent & Lundy Engineers P. O. Box 678 55 East Monroe Street Clinton, Illinois 61727 Chicago, Illinois 60603 i

i Sheldon Zabel, Esquire 1 1

Schiff, Hardin & Waite '

7200 Sears Tower 233 Wacker Drive Chicago, Illinois 60606 Resident Inspector U. S. Nuclear Regulatory Commission l RRf3, Box 229 A 1 Clinton Illinois 61727 Mr. L. Larson Project Manager General Electric Company i 175 Curtner Avenue, N/C 395 San Jose, California 95125 i

Regional Administrator, Region III 799 Roosevelt Road, Bldg. #4 Glen Ellyn, Illinois 60137 Chairman of DeWitt County c/o County Clerk's Office 1 DeWitt County Courthouse l Clinton, Illinois 61727 l

l 1

1

____ ._____ - -