ML20129D566

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Notice of Violation from Insp on 960622-0802.Violation Noted:C/As for 941224,MSIV Closure & C/As for Problem Identification Form Written on 950306,not Effective in Preventing Recurrence of MSIV Closure & Reactor Scram
ML20129D566
Person / Time
Site: LaSalle  Constellation icon.png
Issue date: 09/23/1996
From:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
To:
Shared Package
ML20129D556 List:
References
50-373-96-07, 50-373-96-7, 50-374-96-07, 50-374-96-7, NUDOCS 9609300128
Download: ML20129D566 (2)


Text

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l NOTICE OF VIOLATION F

i Commonwealth Edison Company Dockets No. 50-373; 50-374 i

LaSalle County Station Licenses No. NPF-11, NPF-18 Units 1 and 2 During an NRC. inspection conducted on June 22 through August 2, 1996, three  !

violations of NRC requirements were identified. In accordance with the

" General Statement of Policy and Procedure for NRC Enforcement Actions,"  !

. NUREG-1600, the violations are listed below: -

1.10 CFR, Appendix B, Criterion'XVI, states in part that measures shall be established to assure that conditions adverse to quality are promptly identified and corrected. In the case of significant conditions adverse to  ;

quality, the measures shall assure that the cause of the condition is i determined and corrective action taken to preclude repetition.

Contrary to the above, corrective actions for the December 24, 1994, main  !

steam isolation valve closure and corrective actions for a problem )

identification form written on March 6, 1995, were not effective in ,

preventing the recurrence of a significant condition adverse to quality, l specifically,-a main steam isolation valve closure and a reactor scram which occurred on June 16, 1996.

This is a Severity Level IV Violation (Supplement I).

p 2. Technical Specification Surveillance Requirement 4.6.1.1.a required that primary containment integrity be demonstrated operable by verifying at least once per 31 days that all pimary containment penetrations not capable of being closed by operable containment automatic isolation valves and required to be closed during accident conditions are closed by valves, blind flanges, or deactivated automatic valves secured in position.

Contrary to the above, on August 2, 1996, the licensee identified that four primary containment isolation valves on each unit (specifically, the manual isolation valves to each narrow range suppression pool sightglass) had not been verified closed'once per 31 days since plant startup. These valves were locked closed and had been checked every 18 months per an administrative procedure.

This is a Severity Level IV Violation (Supplement I).

3. Technical Specification 3.3.7.9 required in part that fire detection

. instrumentation for each fire detection zone be operable. The Action Statement of Technical Specification 3.3.7.9 required that with the number of operable fire detection instruments less than the minimum operable requirement of Table 3.3.7.9-1, within I hour, a fire watch patrol must be established to inspect the zone (s) with the inoperable instrument (s) at )

least once per hour. ~

l 9609300128 960923 l PDR ADOCK 05000373 -

l 1 G PDR .

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l i Notice of Violation l i Contrary to the above, on July 31, 1996, at 6:00 a.m., the fire detection instrumentation for Unit 2 was inadvertently taken out of service and no i

fire watch was established until an operator identified the problem at 9:00 a.m.

This is a Severity Level. IV Violation (Supplement I).

i.

I Pursuant.to the provisions of 10 CFR 2.201, Comed is hereby required to submit 4l a written statement of explanation to the.U.S. Nuclear Regulatory Commission, j ATTN: Document Control Desk, Washington, .DC 20555 with a copy to the Regional Administrator, Region III, and a copy to the NRC Resident Inspector at the a

LaSalle facility, within 30 days of the date of the letter transmitting this l Notice of Violation (Notice). This reply should be clearly marked as a " Reply 1

to a Notice of Violation" and should include for each violation: (1) the i

i reason for the violation, or, if contested, the basis for disputing the violation, (2) the corrective steps that have been taken and the results i 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 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.

Because your response will be place ~d 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. However, if you find it necessary to include such information, you should clearly indicate the specific information that you desire not to be placed in the PDR, and provide the legal basis to support your request.for withholding the information from the public.

4 DatedagLisle, Illinois

.this 11' day of September 1996 l

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