ML20005E778

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Advises That False Alarm Criteria Will Be Implemented by 900131,per Insp Rept 50-461/89-31.Util Established New Criterion of 100 False Alarms for Security Sys in 24 H Period
ML20005E778
Person / Time
Site: Clinton Constellation icon.png
Issue date: 12/12/1989
From: Holtzscher D
ILLINOIS POWER CO.
To: Davis A
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
U-601571, NUDOCS 9001110045
Download: ML20005E778 (1)


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k,~ YlLLINOl8 POWER OOMPANY y ,

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-December 12, 1989 l

%, , j Docket No. 50-4611 l

.I Mr. A.:B.: Davis:

  • ' fRegional Adminiserator l

-Region III .

l 6 (U.S.. Nuclear Regulatory Commission

-799 Roosevelt Road' Glen Ellyn, Illinois' 60137 )

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Subj ect: _ False Alarm Criteria for the Clinton Power Station

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' Dear Mr.. Davis; a

/ 56 :This lettor'is in response to the Nuclear Regulatory Commission's (NRC) letter dated ~ November 29, 1989, which transmitted NRC Inspection 7 r ,

Report 50a461/89031~. . In the inspection-report, the NRC requested-that ,

'II'linois Power, Company (IP) notify the NRC of the new false alarm criteria by December 31, 1989.

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.IP has established a new. criterion.of'one hundred false alarms for. I the security-system'in a twenty-four hour period. This criterion. ,

combines!the-previous exterior-alarm criterion with the new interior  :

criterion.' IP will; implement this new criteria upon revision of the

appropriate security procedures. Currently, implementation is scheduled for January 31, 1990.  ;

, i IP will' formally document.this change in accordance with Title 10,

' Code of Federal Regulations, Section 50.54(p) within sixty days of the

, implementation of the new criteria.

Sincerely yours, -

M/

D. L. Holtzscher Acting Manager -

Licensing and Safety JAB /krm cc: NRC Clinton Licensing Project Manager NRC Resident Office Nq I

Illinois Department of Nuclear Safety 1 0 9001110045 891212 PDR ADOCK 05000461 r Q PDC gC 1 a $@

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