U-600209, Part 21 Rept (21-85-03) Re Failure of Actuator to Valve Stem Coupling During Testing of Hammel-Dahl 2500 Valve (GE PRC 89-14).Caused by Improper Test Startup.Evaluation Underway

Part 21 Rept (21-85-03) Re Failure of Actuator to Valve Stem Coupling During Testing of Hammel-Dahl 2500 Valve (GE PRC 89-14).Caused by Improper Test Startup.Evaluation Underway

ML20134L474
Person / Time
Site:	Clinton
Issue date:	08/16/1985
From:	Hall D ILLINOIS POWER CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
REF-PT21-85, REF-PT21-85-375-000 (21-85-03), (21-85-3), PT21-85-375, PT21-85-375-000, U-600209, NUDOCS 8509030285
Download: ML20134L474 (2)

Text

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.4 U- 600209

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/LLINDIS POWER COMPANY CLINTON POWER STATION, P.O. BOX 678, CLINTON ILLINOIS 61727 August 16, 1985 Docket No. 50-461 Mr. James G. Keppler Regional Administrator Region III U.S. Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, Illinois 60137

Subject:

10CFR Part 21 Defect GE PRC 84-19 CRD Drain Valve Coupling -

Hammel-Dahl Valves at Clinton Power Station (21-85-03)

Dear Mr. Keppler:

In Illinois Power Company's letter to Mr. Frank Jablonski, NRC Region III, (Ref. U-10024, 1606-L, dated January 17, 1983), Illinois Power agreed to notify Region III of those 10CFR Part 21 defects that affect Clinton Power Station and that were previously reported to the Commission by vendors or contractors. In accordance with that agree-ment, the following information is submitted:

On February 1, 1985, General Electric Company noti-fled Illinois Power Company of a potential 10CFR21 defect affecting the Clinton Power Station.

The defect was identified as the failure of an act-uator to valve stem coupling during testing of a Hammel-Dahl 2500f valve. Further investigation of the valve coupling design determined that the failure was the direct result of an improper test setup.

General Electric Company concluded that it was not reportable within their scope of supply. However, since it was not known to what extent these valves were used in Balance of Plant applications or PWRs, this condition was reported as germane to safety.

8509030285 850816 DR ADOCM O 4 1 AUG 221985

tyi i o

( ,. y I *

'A U- 600209

4. L16-85 (08 -16 )-L 1A.120 Illinois Power is conducting an evaluation of the  ;

reported condition at the Clinton Power Station and will .,

assure that adequate corrective action is taken. '

S er ly yours, D. . Hall Vice President JV/ lab cc: NRC Resident Office Illinois Department of Nuclear Safety Director, Office of I&E, USNRC, Washington DC 20555 INPO Records center