ML19343A690

Part 21 Rept Re Pump Malfunction Creating Excessive Pressure Which Could Rupture Diaphragm & Breach Containment Integrity,Reported 800623.Kit to Prevent Deadheading Will Be Made Available

ML19343A690
Person / Time
Site:	Fermi
Issue date:	11/03/1980
From:	Hines E DETROIT EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
REF-PT21-80-210-003 10CFR-050.55E, 10CFR-50.55E, EF2-49-828, NUDOCS 8011190685
Download: ML19343A690 (2)

Text

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- e_Mk ijiSOil an*sec:-s A,eaani'a" November 3, 1980 -

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EF2-49,828 Mr. James G. Keppler, Director Region ill _ .

U.'S. Nuclear Regulatory Commission

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799 Roosevelt Road ~

Glen Ellyn, IL 60137 *

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Dear Mr. Keppler:

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10CFR50.55(e) Item on Containment Gas Monitoring System On June 23, 1980, Mr. H. A. Valker of Detroit Edison's quality As~su~rance Department, telephoned Mr. Van Dell of HRC Region lil to report that we had recelved notification from Comsip, Inc., the supplier of the Feg 1 Con-

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tainment Gas Monitoring-System, that they had reported problems to NRC

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Region V under 10CFlQL requirements. It was reported that a pump malfunction during a test at Comsip on a similar systeni had created excessive pressure which could conceivably rupture the diaphragm and breach the containment

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integrity of the system.

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The correspondence from Comsip, Inc., stated that a kit will be made available to add a bypass on the discharge of the pump to prevent deadheading,'which

- will eliminate excessive pressure and the possibility of this type of failure or damage. Two kits arid the associated documentati'ori have bien req 6ested

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by Detroit Edison, but have not yet been received. A Field Modification Request has been prepared by Edison Engineering whic~h'will allow for,the modifications to be made in a controlled manner. - --

A final report on this item is scheduled to be submitted to you before

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December,,19, 1980. If you have any questions concerning this matter,-please contact Mr. H. A. Walker, Supervisor, Consturction Quality Assurance.

.. _ _ Very truly yours,

- C W

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ilAW:mbf cc: 64tr. Victor Stello, Jr., Director l Office of Inspection and Enforcement Division of Reactor Inspection Programs U. S. Nuclear Regulatory Commission

, Washington, DC 20555 Mr. Bruce Little, Resident inspector

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U. S. Nuclear Regulatory Commission -

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Resident inspectors Office -

6450 North Dixie Highway.._ ~

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[ Newport, MI 48166 , ,

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