ML17325A145

LER 83-077/01X-1:on 830824,control Room Smoke Detectors Declared Inoperable.Caused by Difference in Interpretation of What Required to Meet Requirements of License DPR-74. Tech Spec Action Statement initiated.W/870608 Ltr

ML17325A145
Person / Time
Site:	Cook
Issue date:	06/08/1987
From:	Paris J, Will Smith INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:	NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
LER-83-077-01X, LER-83-77-1X, NUDOCS 8706170502
Download: ML17325A145 (6)

Text

I REGULAT INFORMATION DISTRIBUTION YS'?EM (R IDS >

ACCESSION NBR: 8706170502 DOC. DATE: 87/06/08 NOTARIZED: NO DOCKET FACIL: 50-316 Donald AUTH. NAME C.

AUTHOR Cook Nuclear Power P AFFILIATION lant'nit 2i Indiana 05000316 PARISH J. M. Indiana ~~ Michigan Electric Co.

SMI THn M. G. Indiana 5 Michigan Electric Co.

RECIP. NAME RECIPIENT AFFILIATION

SUBJECT:

LER 83-077/01X-1: on 830824 control room smoke detectors declared inoperable. Caused bg difference in interpretation of what required to meet requirements of Unit. Tech Spec Statement initiated. W/870608 1tr.

DISTRIBUTION CODE: IE22D COPIES RECEIVED: LTR ENCL SIZE:

TITLE: 50. 73 Licensee Event Report (LER)i Incident Rpti etc.

NOTES:

RECIPIENT COPIES REC IP IENT COPIES ID CODE/NAME LTTR ENCL ID CODE/NAME LTTR ENCL PD3-3 LA 1 1 PD3-3 PD 1 1 WIGGINGTONi D 1 INTERNAL; ACRS M I CHELSON 1 ACRS MOELLER 2 2 AEQD/DQA 1 1 AEOD/DSP/ROAB 2 2 AEQD/DSP/TPAB 1 1 DEDRO 1 1 NRR/DEST/ADE 1 0 NRR/DEST/ADS 1 0 NRR/DEST/CEB 1 1 NRR/DEST/ELB 1 1 NRR/DEST/ICSB 1 1 NRR/DEST/MEB 1 1 NRR/DEST/MTB 1 1 NRR/DEST/PSB 1 1 NRR/DEBT/RSB 1 1 NRR/DEST/SGB 1 1 NRR/DLPG/HFB 1 1 NRR/DLPG/GAB 1 1 NRR/DOEA/E*B 1 NRR/DREP/RAB 1 NRR/DREP/RPB 2 2 NR S/ILRB 1 1 NRR/PMAS/PTSB 1 1 R G FIL 02 1 1 RES DEP Y G I 1 1 RG 3 FILE 01 1 1 EXTERNAL: EGSG GROHi M 5 5 H ST LOBBY WARD 1 1 LPDR 1 1 NRC PDR 1 1 NSIC HARRIS' 1 NSIC MAYS> G 1 1 TOTAL NUMBER OF COPIES REQUIRED: LTTR 42 ENCL 40

UPDATED LER PREVIOUS REPORT DATE 9-07-83 NRC FORM 888 U. S. NUCLEAR REOULATORV CO8455ISSION P Tll LlCENSEE EVENT REPORT CONTROL ELOClf: (PLEASE PRINT Oh TVtE ALL hEOUIhED INFORNIATIONI

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ATTACHMENT TO LER 483-077/01X-1 SUPPLEMENT TO EVENT DESCRIPTION ON AUGUST 24 i 1 9 83 i FOLLOWING A DISCUSS ION WITH THE NRC REGION III, WE DECLARED OUR CONTROL ROOM SMOKE DETECTORS INOPERABLE.

THIS IS NON-CONSERVATIVE WITH RESPECT TO TECHNICAL SPECIFICATION 3.3.3.8 TABLE 3.3-11 ITEM 2. THE DETECTORS WERE DECLARED INOPERABLE BECAUSE WE HAVE NOT SATISFACTORILY DEMONSTRATED THAT THE DETECTORS WILL PERFORM AS INSTALLED, FOLLOWING THE INITIAL TESTING AND ENGINEERING MODIFICATIONS THAT RESULTED FROM THAT TESTING. TESTS HAVE BEEN PERFORMED WHICH DEMONSTRATE THAT THE INDIVIDUALDETECTORS WILL FUNCTION. UPON DECLARING THE DETECTORS INOPERABLE WE IMMEDIATELY INITIATED THE REQUIRED TECHNICAL SPECIFICATION ACTION STATEMENT.

WE BELIEVE THAT THERE HAVE BEEN NO ADVERSE CONSEQUENCES AS A RESULT OF THE DETECTORS NOT BEING TESTED IN THE INSTALLED OR MODIFIED CONDITIONS. THIS CONCLUSION IS BASED ON THE FACT THAT THE CONTROL ROOMS HAVE BEEN CONTINUOUSLY INHABITED.

REFERENCES AEP:NRC:0670F DATED OCTOBER 11, 1985

ATTACHMENT TO LER 483-077/01X-1 SUPPLEMENT TO CAUSE DESCRIPTION THIS EVENT WAS CAUSED BY THE DIFFERENCE IN THE INTERPRETATION OF WHAT WAS REQUIRED TO MEET THE REQUIREMENTS OF UNIT 2 FACILITY I

OPE RAT NG I L CENSE NO DPR 7 4 g I SECT ON 2 c ( 3 ) ~ II SPEC F CALLYg WE PREVIOUSLY HAD INTERPRETED THE TESTING IN THE INSTALLED CONDITION AS NOT AFFECTING THE OPERABILITY OF THE DETECTORS.

ON SEPTEMBER 15 i 1983 i A FI RE DETECTION SYSTEM TEST WAS SATISFACTORILY PERFORMED IN THE UNIT 1 CONTROL ROOM. THE TEST WAS'SUCCESSFUL IN DEMONSTRATING THAT A FIRE IN A CLOSED CONTROL CABINET WOULD BE DETECTED BY THE CEILING MOUNTED IONIZATION SMOKE DETECTION SYSTEM. THE TEST WAS WITNESSED BY TWO OUTSIDE CON-SULTANTS IN WHICH THEY INDICATED THAT THE TEST SUCCESSFULLY DEMONSTRATED OPERABILITY OF THE FIRE DETECTION SYSTEM. THE CONTROL ROOM IONIZATION SMOKE DETECTION SYSTEM WAS DECLARED OPERABLE AND RETURNED TO SERVICE ON JANUARY 4, 1984.

SINCE BOTH UNIT 1 AND UNIT 2 CONTROL ROOMS ARE SIMILAR WITH RESPECT TO EQUIPMENT LAYOUT INCLUDING IONIZATION DETECTORS, AIR CONDITIONING DIFFUSERS AND RETURNS, THIS TEST WAS DEEMED APPLICABLE TO BOTH UNIT 1 AND UNIT 2 CONTROL ROOMS.

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/Qleate4o INDIANA & MICHIGANHECTRIC COMPANY Donald C. Cook Nuclear Plant P.O. Bcx 458, Bridgrnan. Michigan 49106 June 8, 1987 United States Nuclear Regulatory Commission Document Control Desk Washington, D.C. 20555 Operating License DPR-58 Docket No. 50-315 Document Control Manager:

In accordance with the criteria established by 10 CFR 50.73 entitled Licensee Event Re ortin S stem, the following report is being submitted:

83-077/01X-1 The subje'ct issue was resolved in January of 1984, however we have no record documenting the submittal of an updated report.

Sincerely,

)/

W. G. Smith, Jr.

Plant Manager

/afh Attachment CC: John E. Dolan A. B. Davis, Region Alexich III M. P.

R. F. Kroeger H. B. Brugger R. W. Jurgensen NRC Resident Inspector R. C. Callen G. Charnoff, Esp.

D. Hahn INPO D. Wigginton, NRC PNSRC A. A. Blind Dottie Sherman, ANI Library File