05000312/LER-1982-029, Forwards LER 82-029/03L-0.Detailed Event Analysis Submitted

Forwards LER 82-029/03L-0.Detailed Event Analysis Submitted

ML20028B614
Person / Time
Site:	Rancho Seco
Issue date:	11/24/1982
From:	Mattimoe J SACRAMENTO MUNICIPAL UTILITY DISTRICT
To:	Engelken R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
Shared Package
ML20028B615	List: 05000312/LER-1982-029, Forwards LER 82-029/03L-0.Detailed Event Analysis Submitted 05000312/LER-1982-029-03, /03L-0:on 821026,QA Dept Reported That Portion of Auxiliary Feedwater Start Circuit Was Not Being Tested Per Requirements.Caused by Transposed Requirements in Tech Specs.Tech Specs Will Be Amended
References
NUDOCS 8212030084
Download: ML20028B614 (2)

LER-1982-029, Forwards LER 82-029/03L-0.Detailed Event Analysis Submitted

Event date:
Report date:
3121982029R00 - NRC Website

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AUsuun "ec SACRAMENTO MUNICIPAL UTILITY DISTRICT O 6201 S Street, Box 15830, SacramQlog gif,o 95813; (916) 452-3211

'D JP November 24, 1982 ngl 0!j yp,,

w R H ENGELKEN, REGIONAL ADMINISTRATOR REGION V 0FFICE OF INSPECTION AND ENFORCEMENT U S NUCLEAR REGULATORY COMMISSION 1450 MARIA LANE SUITE 210 WALNUT CREEK CA 94596 DOCKET NO. 50-312 LICENSE NO. DPR-54 LICENSEE EVENT REPORT NO. 82-29 In accordance with Rancho Seco Nuclear Generating Station Technical Specifications, section 6.9.4.2.C, and Regulatory Guide 1.16, section C.2.b(3), the Sacramento Municipal Utility District hereby submits the following thirty-day report of Licensee Event Report No. 82-29.

On October 26, 1982, the District's Quality Assurance Department re-ported that a surveillance requirement was not addressed by procedure.

Table 4.1-1 of Technical Specifications, item 48a, requires a monthly test of the Auxiliary Feedwater Start Circuit from the Phase Inbalance/

Underpower RCP portion.

Item 48b concerning the Low Main Feedwater Pressure portion does not require a monthly test, per the Technical Specifications. However, a surveillance was written and has been per-formed for item 48b, while no procedure was prepared for item 48a.

This situation resulted from an apparent transposition of the require-ments for items 48a and 48b. The District never intended to test the Phase Inbalance/Underpower portion of tne AFW Start Circuit, since this test is extremely difficult to perform without tripping the pumps and, thus, causing a reactor trip. The District has committed to testing the start circuit for the AFW, but had intended that the Phase Inbalance/

Underpower portion be tested / calibrated with the reactor shutdown. The monthly test was intended to address the Low Main Feedwater Pressure, which test was in fact conducted on a monthly basis.

As a corrective action, the District intends to request amendment of our Technical Specification to change the monthly requirement to item 48b och O

PDR N

AN ELECTRIC SYSTEM SERVINC MORE T H A 't t00.000 IN THE HEART OF cal NiA

.r e R 11 ENGELKEN November 24, 1982 and to delete the requirement in 48a.

There were no ef fects on plant or public safety from this event.

0 L f&

John J. liattimoe General ifanager cc:

DCD, Washington INPO O

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