ML17299A356

Special Rept:On 850424,72-h Action Statement for Operability of Containment Area Radiation Monitors RU-148 & RU-149 Exceeded.Justification for Interim Operation Submitted by Licensee.Detectors Will Be Installed by 850731

ML17299A356
Person / Time
Site:	Palo Verde
Issue date:	05/24/1985
From:	Van Brunt E ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:	Martin J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
References
ANPP-32728-EEVB, NUDOCS 8506130429
Download: ML17299A356 (4)

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Mr. John B. Martin, Regional Administrator AMPP-32728-EEVB/WPg Office of Inspection and Enforcement May 24, 1935 U.S. Nuclear Regulatory Commission Region V 1450 Maria Lane, Suite 210 Walnut Creek, CA 94596-5368

Subject:

Palo Verde Nuclear Generating Station (PVNGS)

Unit 1 Special Report Inoperability of Containment Area Radiation Monitors Docket No. STN 50-528, License No. NPF-34 Pile: 85-056-026 G.l.01.10

Dear Mr. Martin:

Attached please find a Special Report prepared and submitted pursuant to Table 3.3-6 (ACTION 27-2) and Specification 6.9.2 of Appendix A (Technical Specifications) to the Palo Verde Nuclear Generating Station, Unit No. 1 Operating License. This report discusses inoperability of Containment Area Radiation Monitors.

If you have any questions or concerns, please contact me.

Very truly yours, gR.Li~& 4 E. E. Van Brunt, Jr.

Executive Vice President Project Director EEVB/GEC/dim Attachments cc'R. P. Zimmerman E. A. Licitra A. C. Gehr INPO Records Center sp 8506i30429 850524

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PALO VERDE NUCLEAR GENERATING STATION UNIT 1 SPECIAL REPORT INOPERABILITY OP CONTAINMENT AREA RADIATION MONITORS Docket No. STN 50-528 License No. NPP-34 This Special Report is required by Technical Specifications Table 3.3-6, ACTION 27-2 and Specification 6.9.2.

On April 24, 1985't 1350, the 72 hour8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> ACTION statement for Operability of Containment Area Radiation Monitors RU-148 and RU-149 was exceeded.

These detectors, and associated cables, had been removed for a total manufacturer's rework. This was necessary because of the failure of the qualification testing that was required by the original purchase order.

A Justification for Interim Operation (JIO) had been submitted by the Licensee, and approved by the NRC, as stated on Page 3-7 of Supplement 7 to the Licensee's SER. As indicated in the Supplement, these detectors will be installed and meet full qualifications by July 31, 1985.

Interim operation has been defined in letter ANPP-31297-EEVB/MWH/WFQ dated, December 3, 1984.

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