ML20039E818

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Responds to NRC 811008 Ltr Re Violations Noted in IE Insp Rept 50-334/81-22.Corrective Actions:Shift Radiation Technician Notified to Review & Follow Requirements of Procedure RM6.6
ML20039E818
Person / Time
Site: Beaver Valley
Issue date: 11/06/1981
From: Carey J
DUQUESNE LIGHT CO.
To: Haynes R
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20039E813 List:
References
NUDOCS 8201110480
Download: ML20039E818 (4)


Text

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'Af 912u564000 435 Ssath Avenue gygh, Pe. November 6, 1981 United States Nuclear Regulatory Commission Office of Inspection and Enforcement Attn: R. C. Haynes, Regional Director Region 1 631 Park Avenue King of Prussia, Pennsylvania 19406

Reference:

Beaver Valley Power Station, Unit No.1 Docket No. 50-334, License No. DPR-66 IE Inspection Report No. 81-22 Gentlemen:

In response to your letter of October 8,1981, and in accordance with 10 CFR 2.201, the attached reply addresses the Notice of Violation which was included as Appendix A with the referenced Inspection Report.

We have reviewed the referenced inspection report for 10 CFR 2.790 infor-mation and none was identified.

If you have any questions concerning this response, please contact my office.

Very tru y yours, J. J. Carey Vice President, Nuclear Attachment cc: Mr. D. A. Beckman, Resident Inspector U. S. Nuclear Regulatory Commission Beaver Valley Power Station Shippingport, PA 15077 U. S. Nuclear Regulatory Commission c/o Document Management Branch Washington, DC 20555 KOOohh34 PDR

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COMMONWEALTH OF PENNSYLVANIA)

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COUNTY OF BEAVER )

On this [gd day of */ , / 9 M , before me, 24/4J82,#/h a Notary Public in and for said Commonwealth and' County, personally appeared J. J. Carey, who being duly sworn, deposed, and said that (1) he is Vice President of Duquesne Light, (2) he is duly authorized to execute and file the foregoice Submittal on behalf cf said Company, and (3) the statements set forth in the Submittai re crue and correct to the best of his knowledge, information and belief.

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s DUQUESNE LIGHT COMPANY Beaver Valley Power Station Unit No. 1 Reply to Notice of Violation Inspection No. 81-22 Letter dated October 8,1981 VIOLATION (Severity Level VI; Supplement I)

Description of Violation (81-22-02)

Section 5.5.1 of the Environmental Technical Specification requires detailed written procedures for all activities involving releases to the environment, including sampling. Procedure RM 6.6 requires that for waste gas decay tank releases the waste gao decay tank pressure be obtained from the pressure transducer output in the control room.

Contrary to the above, as of August 26, 1981, the pre-release activity for waste gas had been calculated by using the pressure indicated on Bourdon gauge Dl-GW-105A upstream of the sample bomb and not from the control room as required.

The Bourdon gauge DI-CW-105A read systematically low by 3 psig; this error resulted in underestimating the pre-release calculations.

Discussion of Violation The Shif t Radiation Technician involved acknowledged he had been using the DI-GW-105A pressure gauge (local indication) instead of the Control Room pressure indication to calculate waste gas tank pre-release activity in violation of the procedure. However, the inspection report states that the Bourdon gauge read lower than the Control Room indication and resulted in underestimating pre-release l calculations. Actually, the data on the Radioactive Waste Discharge Authorization

, Permits overestimated the actual release since the Bourdon gauge read higher than the Control Room indicator.

Although the wrong pressure indicator was utilized to calculate the pre-release data, it was noted during the inspection that even if the pre-release activity was underestimated, the conservatism in our method for determining pre-release decay tank specific activity and release rate limits precluded exceeding Environmental Technical Specification limits.

Corrective Action Taken The Shif t Radiation Technician involved was immediately notilled to review and follow the requirements of Procedure RM 6.6.

Action Taken to Prevent Recurrence All Shif t Radiation Technicians were instructed to review the applicable section of Procedure RM 6.6. The required review is documented on a training roster.

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.a. Benvar V.511sy Power Station, . Unit No.- 1

~ ' _ Rep,1y.to Notice of-. Violation:

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Inspection No.-'81-22
Page . 2 l'

l Date On Which Full Compliance Will Be Achieved i~

Full compliance was achieved on August 26, 1981.

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