ML20008F437

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RO 81-012:on 810303,while Performing Reactor Protection Sys Calibr,Setpoints for High Reactor Bldg Pressure Were Higher than Allowed by Tech Specs.Cause Not Stated.Complete Rept Forthcoming
ML20008F437
Person / Time
Site: Rancho Seco
Issue date: 03/04/1981
From: Oubre R
SACRAMENTO MUNICIPAL UTILITY DISTRICT
To: Engelken R
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
References
RO-81-012, RO-81-12, NUDOCS 8103130561
Download: ML20008F437 (2)


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SACRAMENTO MUNICIPAL UTILITY DISTRICT C 6201 S Street. Box 15830. Sacramento. California 95813, (916) 452-3211 March 4, 1981 cp O,.

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Mr. R. H. Engelken, Director n,

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Walnut Creek, CA 94596 4

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Y Docket No. 50-312 Reportable Occurrence 81-12

Dear Mr. Engelken:

in accordance with Technical Specifications Section 6.9.4.1(e) and Regulatory Guide 1.16, Revision 4, Section C.2.a(5), the Sacramento Municipal Utility District reports the following Licensee Event Report Number 81-12.

On March 3 while performing the " Reactor Protection System" calibration, the setpoints for the High Reactor Building Pressure were higher than allowed by the Technical Specifications. The limit estab-lished by the Technical Specification is 4 psig. The four channels A, B, C and D were measured to be 4.08, 4.03, 4.05, and 4.05 respectively.

The administrative setpoint for this pa ameter is 3.9 +.05 psig.

Mr. H. Canter, resident NRC Inspector, was informed of this event today by Mr. R. Colombo.

A complete report will be submitted to your office within fourteen days.

Respectful y submitted,

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R. P. Oubre' Plant Superintendent 1]

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