ML20210Q419

Notice of Violation from Insp on 990619-0723.Violation Noted:Within 2 Hours of Removing Div 1 Diesel Generator 11 from Svc Licensee Failed to Verify That Components Depending on Div 2 Diesel Were Operable

ML20210Q419
Person / Time
Site:	Fermi
Issue date:	08/10/1999
From:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
To:
Shared Package
ML20210Q409	List: IR 05000341/1999001 IR 05000341/1999010 ML20210Q419
References
50-341-99-10, EA-99-185, NUDOCS 9908160025
Download: ML20210Q419 (2)

Text

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NOTICE OF VIOLATION Detroit Edison Company Docket No. 050-341 Fermi 2 License No. NPF-43 EA 99-185 During an NRC inspection conducted on June 19, through July 23,1999, a violation of NRC requirements was identified. In accordance with the " General Statement of Policy and Procedure for NRC Enforcement Actions," NUREG 1600, the violation is listed below:

Technical Specification 3.8.1.1.b requires, in part, that while the plant is in Operational Conditions 1,2, and 3, two separate and independent onsite altemating current electrical power sources, each consisting of two emergency diesel generators [ diesel]

shall be operable. Action Statement 3.8.1.1.c requires, in part, that with one or both diesel generators inoperable, verify within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> that all required systems, subsystems, trains, components and devices that depend on the remaining onsite alternating current electrical power division as a source of emergency power are also operable; otherwise, be in at least Hot Shutdown within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.

Contrary to the above, within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> of removing Division 1 Diesel Generator 11 from service at 3:00 a.m., on May 4,1999 (with the plant in Operational Condition 1), the licensee failed to verify that components depending on the Division 2 Diesel as a source of emergency power were operable. Additionally, the licensee failed to place the plant in Hot Shutdown within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />. Specifically, the Division 2 Standby Liquid Control System B (a system that depends on Division 2 Diesel as its source of emergency power) was inoperable at the time the Division Diesel was removed from service. The concurrent inoperability of Division 2 Standby Liquid Control System B and Division 1 Diesel lasted for approximately 32 hours3.703704e-4 days <br />0.00889 hours <br />5.291005e-5 weeks <br />1.2176e-5 months <br /> until May 5,1999, at 10:32 a.m.,

when Division 2 Standby Liquid Control System B was returned to service. l l

This is a Severity Level IV violation (Supplement I). l Pursuant to the provisions of 10 CFR 2.201, the Detroit Edison Company is hereby required to submit a written statement or explanation to the U.S. Nuclear Regulatory Commission, ATTN:

Document Control Desk, Washington, D.C. 20555 with a copy to the Regional Administrator, Region lil, and a copy to the NRC Resident inspector at the facility that is the subject of this Notice, within 30 days of the date of the letter transmitting this Notice of Violation (Notice). This reply should be clearly marked as a " Reply to a Notice of Violation" and should include for each violation: (1) the reason for the violation, or, if contested, the basis for disputing the violation or severity level, (2) the corrective steps that have been taken and the results achieved, (3) the corrective steps that will be taken to avoid further violations, and (4) the date when full compliance will be achieved. Your response may reference or include previous docketeG correspondence, if the correspondence adequately addresses the required response. If an adequate reply is not received within the time specified in this Notice, an order or a Demand for Information may be issued as to why the license should not be modified, suspended, or revoked, or why such other action as may be proper should not be taken. Where good cause is shown, consideration will be given to extending the response time.

9908160025 990810 PDR ADOCK 05000341 G PDR

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i Notice of Violation .-2--

I L If you contest this enforcement action, you should also provide a copy of your response, with the basis for your denial, to the Director, Office of Enforcement, United States Nuclear Regulatoiy Commission, Washington, DC 20555-0001.

l Because your response will be placed in the NRC Public Document Room (PDR), to the extent possible, it should not include any personal privacy, proprietary, or safeguards information so that it can be placed in the PDR without redaction. If personal privacy or proprietary information is necessary to provide an acceptable response, then please provide a bracketed copy of your ,

I response that identifies the information that should be protected and a redacted copy of your l response that deletes such information. If you request withholding of such material, you must specifically identify the portions of your response that you seek to have withheld and provide in detail tne bases for your claim of withholding (e.g., explain why the disclosure of information will

, create an unwarranted invasion of personal privacy or provide the information required by l 10 CFR 2.790(b) to support a request for withholding confidential commercial or financial information). If safeguards information is necessary to provide an acceptable response, please j provide the level of protection described in 10 CFR 73.21.

In accordance with 10 CFR 19.11, you may be required to post this Notice withing two working l days.

l l Dated this 10th day of August 1999 i

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