IR 05000010/1976019

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IE Insp Rept 50-010/76-19 on 761006.Noncompliance Noted: Analysis of Plant Protection Sys Re Modified Sys for Failure Criterion Not Submitted by Sept 1976 Per 760623 Order
ML19338E370
Person / Time
Site: Dresden Constellation icon.png
Issue date: 10/18/1976
From: Fiorelli G, Knop R
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
To:
Shared Package
ML19338E369 List:
References
50-010-76-19, 50-10-76-19, NUDOCS 8009250555
Download: ML19338E370 (5)


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UNITED STATES NUCLEAR REGULATORY C0tLMISSIO'N ('**

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OFFICE OF INSPECTION AND ENFORCEMENT

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REGION III

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Reportof Operations Inspection

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IE Inspection Report No. 050-010-76-19

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t Licensee: Commonwealth Edison Company P. O. Box 767 Chicago, Illinois 60690 Dresden Nucleer Power Station License No. DPR-2 Unit 1 Category:

C Morris, Illinois

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Type of Licensee:

BWR (GE) 700 MWt

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Type of Inspection:

Special, Announced

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Dates of Inspection:

October 6, 1976

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Principal Inspector:

C. Knop Q

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Accompanying Inspectors: None

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Other Accompanying Personnel: None Reviewed By:

G. Fiorelli Chief

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R6 actor Operations and

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(Date)

Nuclear Support Branch

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SUMMARY OF FINDINGS

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Inspection Summary

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Inspection on October 6,1976, (Unit 1, 76-19): Reviewed the licensee actions with respect to the June 23, 1976, Order. One infraction was

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identified with regard to the licensee's failure to meet the terms of the order.

Enforcement Action Infraction Contrary to the r(421rements of the Order for Dresden Unit I dated June 23, 1976, detailed analysis of all portions of the plant protec-tion systems, which chow that the modified system meet the single failure criterion, were not submitted to NRR by September 1976.

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Licensee Action on Previously Identified Enforcement Itema None.

Other Significant Items

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A.

- Systems and Components

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None.

B.

Facility Items (Plans and Procedures)

None.

C.

Managerial Items None.

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Noncompliance Identified and Corrected by Licensee None.

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Deviations None.

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Status of Previously Reported Unresolved Items Not inspected.

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Management Interview An exit interview was held on October 6, 1976, with Mr. Bolger and others.

The inspector discussed the failure of the licensee to comply to the

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June 23, 1976, Order. The comments were acknowledged by the licensee.

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REPORT DETAILS

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Persons Contacted

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R. Bolger, Assistant Vice President G. Abrell, Nuclear Licensing Administrator G. P11ml, Nuclear Licensing Administrator D. Moskovitz, Staff Assistant i

S. Graves, Dresden 1, Program Manager 2.

Order for Modification of License The inspector discussed with the licensee the background associated with the Order. On June 23, 1976, the Commission issued an Order for Modification of the Dresden Unit 1 license. The order adds a provision to License No. DPR-2 requiring that Commonwealth submit by

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September 1976 the following:

(a) Additional information relating to the efficency of the Dresden i

Unit No. 1 containment spray system.

(b) Details of proposed modifications that are necessary to make

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the design of plant protection systems conform with the

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requiremec*n of Sections 4.2, " Single Failure Criterion," and 4.6, " Channel Independence" of IEEE Std 279-1968.

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(c) Detailed analysis of all portions of the plant protection systems, including the proposed modifications which show that the modified systems meet the single failure criterion.

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(d) Results of analyses and/or tests which demonstrate that all instrumentation and electric equipment essential to safety can function in its environment during and following an accident.

If satisfactory results are not obtained, describe the modifi- -

cations necessary to assure that all instrumentation and

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electric equipment essential to safety can function in its accident environment.

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on September 30, 1976, the licensee informed NRR that the analysis for item c, above, would not be ready for submittal for an additional 45 days.

l In discussion with the licensee, they stated that the failure to meet the terms of the Order was due to the failure to recognize

that the information required to be submitted was part of an Order.

The. licensee stated that they are reviewing a revision to their

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follow-up system to preclude future similar situationc.

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The inspector stated that the failure to meet the terms of the

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Order was considered to be an item of noncompliance.

The licensee acknowledged the comment.

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