ML19260D993

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Forwards LER 80-003/03L-0
ML19260D993
Person / Time
Site: Fort Saint Vrain Xcel Energy icon.png
Issue date: 02/07/1980
From: Warembourg D
PUBLIC SERVICE CO. OF COLORADO
To: Seyfrit K
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19260D994 List:
References
P-80019, NUDOCS 8002120713
Download: ML19260D993 (3)


Text

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1 pubile service company ce c cec a cce 16805 Weld County Road 19 1/2, Platteville, Colorado 80651 February 7,1980 Fort S t. Vrain Unit No. 1 P-80019 Mr. Karl V. Seyfrit, Director Nuclear Regulatory Comission Region IV Of fice of Inspection and Enforcement 611 Ryan Pla::a Drive Suite 1000 Arlington, Texas 76012

Reference:

Facility Operating License No. DP R-34 Docket No. 50 267

Dear Mr. Seyfrit:

Enclosed please find a copy of Reportable Occurrence Report No. 50-267/80-03, Final, submitted per the requirements of Technical Specifi-cation AC 7.5.2(b)2.

Also, please find enclosed one copy of the Licensee Event Paport for Reportable Occurrence Report No. 50-267/80-03.

Very truly yours,

&cM &

Don Warembourg J Manager, Nuclear Production DW/cis Enclosure cc: Director, MIPC cP P

1951 339  % 1 8002120

REPORT DATE: Februarv 7, 1980 REPORTABLE OCCURRENCE 80-03 ISSUE 0 OCCURRENCE DATE: Januarv 10, 1980 Page 1 of 2 FORT ST. VRAIN NUCLEAR GENERATING STATION PUBLIC SERVICE COMPANY OF COLORADO 16805 WELD CGUNTY ROAD 19 1/2 PLATTEVILLE, COLORADO 80651 REPORT No. 50-267/80-03/03-L-0 FINAL IDENTIFICATION OF OCCURRENCE :

On January 10, 1980, the lines supplying backup bearing water f rom the accumulator to the Loop 2 helium circulators were determined to be i= paired due to three i= paired hangers.

This is reportable per Fort St. Vrain Technical Specification AC 7.5.2(b)2 as a degraded mode o f LCO 4. 3.10.

EVENT DESCRIPTION:

On January 10, 1980, with the reactor shutdown for maintenance, hangers 11A-H-21235, llA-H-21236, and llA-H-21237 were deter =ined to be i= paired.

These hangers are on the liaes supplying backup bearing water to the helium circula tors . Although the backup bearing water lines are not safety re-laced, these hangers are included in the analysis of a safety related system; therefo re , the hangers being impaired constitutes an i= pair =ent of System 21.

CAUSE DESCRIPTION:

The hangers were removed during previous work and were not re-installed.

CORRECTIVE ACTION:

The hangers were redesigned to fit current piping configuration and are being re-installed under Change Notice 1178.

No further corrective action is anticipated or required.

)h )\

g120 L- -

REPORTABLE OCCURRENCE 80-03 ISSUE O Page 2 of 2 Prepared By: f/2- N./

As a B. Reed, Jr.

Technical Services Technician Reviewed By: k I ,7,, 7 J/ W. Gahm pechnical Services Supervisor Reviewed By: j. fy) /Ma7/s_c /I f [/Y Frank M. Mathie /

Operations Manager Approved By: AL 2 b e. _ M _

Don Warembourg j Manager, Nuclear Production 1951 341