ML20133Q404

Rev 6 to Maint Procedure SO23-I-2.15, Maint Data Record Form Refueling Interval Battery Svc Test

ML20133Q404
Person / Time
Site:	San Onofre
Issue date:	12/18/1984
From:	Mork D SOUTHERN CALIFORNIA EDISON CO.
To:
Shared Package
ML20132C709	List: IR 05000206/1985012 IR 05000225/2003005 ML20132C711 ML20132C985 ML20132C996 ML20133Q279 ML20133Q320 ML20133Q337 ML20133Q367 ML20133Q404 ML20133Q423 ML20133Q439 ML20134A015 ML20134A045 ML20134A163 ML20134A252
References
FOIA-85-425 SO23-I-2.15, NUDOCS 8508150124
Download: ML20133Q404 (10)

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MAINTENAN ( DATA RECOllD FDRM M

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Battery Bank No.

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Frerequisites Met d

1. 7 51& nature

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Date Step Data Acceptance Recorder /Veriffer' Ember Data Description Values Criterta 5ts_ nature /Date U

1 6.3.4 Eastery starting SA, N

voltage

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[205VDC

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l 6.3.7 Pre-test connections re established

//II 6.2.5 Initial Readings Time 2!F5'Anj

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> 325 VDC Amps no _

300 emps

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(2) The batteries were clean and appeared to be in excellent condition.

Intercell connectors were free of corrosion; vent saps were in i

place on all cells.

Batteries were installed in accordance with approved drawings.

(3) There were two cells jumpered out in each 60 cell battery, effec-tively making each one a 58-cell battery.

b.

Battery Maintenance and Surveillance Program The inspector reviewed the latest revision of the battery maintenance and survei(lance procedures for San Onofre Units 2 and 3:

Procedure No.

Title S023 - I - 2.12 "k'eekly Inspection of Batteries" S023 - I - 2.13

" Quarterly Inspection of Batteries" it 5023 - I - 2.14

" Refueling Interval Inspection of j

Batteries 5023 - I - 2.15

" Refueling Interval Battery Service

{

Test" 5023 - I - 2.16

" Battery Performance Test" l

l The procedures satisfied the requirements of Technical Specifications, j

NUREG-1.129 " Maintenance, Testing and Replacement of Large Lead Storage Batteries for Nuclear Power Plants", IEEE Standard 450-1980 "IEEE Recom-mended Practice for Maintenance, Testing and Replacement of Large Lead j

Storage Batteries for Generating Stations and Substations", and the manu-facturer's technical instructions.

Based on this review, the inspector verified that an adequate surveillance program exists for the San Onofre Units 2 and 3 batteries c.

Surveillance Activity The inspector reviewed the schedule and records of all surveillance ac-tivity on the San Onofre, Units 2 and 3 batteries since the batteries were placed in service.

The record showed that surveillances were per-formed in a satisfactory manner within the prescribed intervals.

One surveillance discrepancy was identified.

The 18-month surveillance procedure (5023-I-2.15) was not conducted on Unit 2 batteries 28007 and 20008 from the time the batteries were placed in service (February 1982) until it was accomplished during the current refueling outage.

There-fore, for approximately one year the operability of these batteries was not demonstrated with respect to their ability to carry rated vital loads during an emergency.

The exact durations of these failures to demonstrate operability were:

Battery 28007, from 12/6/B3 to 12/20/84 Battery 28008, from 12/7/83 to 2/27/85 J

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voltage

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300 amps

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(2) The batteries were clean and appeared to be in excellent condition.

Intercell connectors were free of corrosion; vent. caps were in i

place on all cells.

Batteries were installed in accordance with 1

approved drawings.

l (3) There were two cells jumpered out in each 60 cell battery, effec-

)

tively making each one a 58-cell battery.

b.

Battery Maintenance and Surveillance Program I

The inspector reviewed the latest revision of the battery maintenance and surveil, lance procedures for San Onofre Units 2 and 3:

Procedure No.

Title S023 - I - 2.12

" Weekly Inspection of Batteries" S023 - I - 2.13

" Quarterly Inspection of Batteries" S023 - I - 2.14

" Refueling Interval Inspection of i

Batteries 5023 - I - 2.15

" Refueling Interval Battery Service Test"

'i 5023 - I - 2.16

" Battery Performance Test" l"

i The procedures satisfied the requirements of Technical Specifications, NUREG-1.129 " Maintenance, Testing and Replacement of Large Lead Storage i

Batteries for Nuclear Power Plants", IEEE Standard 450-1980 "IEEE Recom-mended Practice for Maintenance, Testing and Replacement of Large Lead j

Storage Batteries for Generating Stations and Substations", and the manu-t facturer's technical instructions.

Based on this review, the inspector verified that an adequate surveillance program exists for the San Onofre Units 2 and 3 batteries c.

Surveillance Activity The inspector reviewed the schedule and records of all surveillance ac-tivity on the San Onofre, Units 2 and 3 batteries since the batteries were placed in service.

The record showed that surveillances were per-formed in a satisfactory manner within the prescribed intervals.

One 4

0 surveillance discrepancy was identified.

The 18-month surveillar.ce 4\\

procedure (5023-I-2.15) was not conducted on Unit 2 batteries 2B007 and 2B008 from the time the batteries were placed in service (February 1982) until it was accomplished during the current refueling outage.

There-l1 fore, for approximately one year the operability of these batteries 4

was not demonstrated with respect to their ability to carry rated vital 4

i loads during an emergency.

The exact durations of these failures to demonstrate operability were:

Battery 2B007, from 12/6/83 to 12/20/84 Battery 28008, from 12/7/83 to 2/27/85 5

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