ML20236W208

Notice of Violation from Insp on 980531-0713.Violation Noted:As of 980713,SF Storage Pool Design Would Not Have Prevented Inadvertent Draining Below 423 Feet 2 Inches

ML20236W208
Person / Time
Site:	Byron
Issue date:	07/31/1998
From:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
To:
Shared Package
ML20236W200	List: IR 05000454/1998014 ML20236W198 ML20236W208
References
50-454-98-14, 50-455-98-14, NUDOCS 9808050153
Download: ML20236W208 (2)

Text

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NOTICE OF VIOLATION Commonwealth Edison Company Docket Nos.: 50-454; 50-455 Byron Station, Units 1 and 2 License Nos.: NPF-37; NPF-66 During an NRC inspection conducted on May 31 through July 13,1998, one violation of NRC requirements was identified. In accordance with the " General Statement of Policy and Procedures for NRC Enforcement Actions," NUREG-1600, Revision 1, the violation is listed i below:

Technical Specification 5.6.2, states that the spent fuel storage pool is designed and shall be maintained to prevent inadvertent draining of the pool below elevation 423 feet 2 inches.

Contrary to the above:

s. As of July 13,1998, the spent fuel storage pool design would not have prevented inadvertent draining below 423 feet 2 inches. The spent fuel skimmer system discharge line entered the pool and extended below 423 feet 2 inches, down to an elevation of approximately 418 feet without a design feature to prevent inadvertent draining, such as a siphon break.

b. As of July 13,1998, the spent fuel storage pool design would not have prevented inadvertent draining below 423 feet 2 inches. The spent fuel pool coolina suction

> line entered the pool and extended below 423 feet 2 inches, down to an elevation of approximately 417 feet 9 inches without a design feature to prevent inadvertent draining, such as a siphon break.

This is a Severity Level IV violation (Supplement I) (50-454/455-98014-03(DRP))

Pursuant to the provisions of 10 CFR 2.201, Commonwealth Edison 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 Ill, 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 docketed 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 Dernand 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.

If you contest this enforcement action, you should also provide a copy of your response to the Director, Office of Enforcement, United States Nuclear Regulatory Commission, Washington, DC 20555-0001.

I 9800050153 980731 F PDR ADOCK 05000454 G PDR g i

Notice of Violation Because your response will be placed in the NRC Public Document Room (PDR), to the extent l 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 response that identifies the information that should be protected and a redacted copy of your 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 the 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 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 provide the level of protection described in 10 CFR 73.21.

Dated at Lisle, Illinois this 31st day of July 1998 j 1