ML20086U325

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Applicant Exhibit A-89,consisting of Rev 2 to Procedure 55038-C, Diesel Start Log
ML20086U325
Person / Time
Site: Vogtle  
Issue date: 06/03/1995
From:
GEORGIA POWER CO.
To:
References
OLA-3-A-089, OLA-3-A-89, NUDOCS 9508040059
Download: ML20086U325 (14)
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l OFFICE OF SECRETARY DOCKETING & SERVICE j

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DIESEL START LOG Yj i

'I 1.0 PURPOSE 1.1 The purpose of this procedure is to provide the l

tracting mechanism required to evaluate the reliability of the Diesel Generator Unic".

nis procedure also will provide the feedback required to adjust testing intervals and the reporting mechanism to the required regulatory agencies which may be required when failures Occur.

1.2 This procedure satisfies the following Technical i

Specifications:

t Table 4.8-1 i

Section 4.8.1.1.3 2.0 PREREQUISITES OR INITIAL CONDITIOMS 2.1 A diesel starc was initiated by either automatic signal, includin manual signals. g those from bona fide signals, or 2.2 Tests will be performed using procedure 14980-1, 14985-1,13145-1,14980-2,14985-2, or 13145-2 and

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results shall be recorded.

The results of the test shall be transmitted to the ESS for inde review and update of the Diesel Generator Log. pendent 3.0 DEFINITIONS 3.1

" FAILURE" i

i The diesel does not start, accelerate and assume the design rated load within and for the time prescribed during an emergency or a valid test.

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inoCEDUAENo REVISQ N

  1. AGE No VEGP 55038-C 2

2 of 14 3.2

" DIESEL GENERATOR UNIT" Consists of the following components:

The engine, generator, combustion air system, cooling water system up to the supply, fuel supply syrte, lubricating oil system, starting energy sources, au':ostart controls, manual controls and the diesel generator breaker.

3.3

" VALID TESTS AND FAILURES" All start attempts (automatic, including those a.

from bona fide signals, or manual) that result ir.

a failure to start, except as noted in (2) below, should be considered valid tests and failures.

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b.

Unsuccessful reart and load attempts that can l'

U definitely be attributed to operating error, to spurious operation of a, trip that is bypassed in the emergency operating mode, to malfunction of equipment that is not operative ir the emergency

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operating mode (e.g., synchronizing circuitry) or is not part of the defined diesel generator unit design should not be considered valid tests or failures.

t Successful starts, including those initiated by c.

bona fide signals, followed by successful loading (sequential or manual) to at least 50% of continuous rating and continued operation for at least one hour should be considered valid successful tests.

d.

Successful starts that are terminated intentionally without loading, as defined in (3) above, should not be considered valid tests er failures.

Successful starts followed by an unsuccessful e.

loading attem and failures,pt should be considered valid tests except as noted in (2) above.

f.

Tests that are terminated intentionally before completion as defined in (3) above because of an j

alarmed abnormal condition that would ultimately have resulted in diesel generator damage or failure should be considered valid tests and failures.

88'CE0uxE4o REWstoN d&GE No..

VECP 55038-C 2'

3 of 14 Tests performed in the process of trouble shooting g.

should not be. censidered valid tests.

Tests that performed. to verify correction of the problem art should be considered valid tests and successes or failures, as appropriate.

h.

Cranking and venting procedures that lead to the discovery of conditions (e.g., excessive ware:

ce oil in a cylinder) that would have resulted in the i

failure of the diesel generator unit during test or during response to a bona fide signal.should be considered a valid test and failure.

3.4

" UNAVAILABLE" l

A " Diesel Generator Unit" shall be considered l

inoperable from the time of failure until it. satisfies the requirements of Procedure 14980-1.

l 3.5

" TEST FREQUENCY" The required test period is determined by comparing information 1

Tech Specs. given on Data Sheet I to Table 4.8-1 of the l

4.0 INSTRUCTIONS F R DIESEL GENERATOR START LOG (DATA SHEET 1)-

NOTE A separate Start Los shall be maintained for each Diesel-Generator.

Record on tha' Diesel Generator Start 4.1 Information sheet provided by the Operations Department and the Diesel Generator Start Log the next sequential start number from the engine log.

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i 4.2 Record date of' start.

g Review info'rmation provided from Operations and compare 4.3 against definition of valid tests and failures given in l

section 3.3 of this procedure to determine whether the start constitudes a valid or invalid test and a success i

or failure.

If determination is different than that given then differences must be resolved with the individual signing the Data Sheet.

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- CEDUKE '60 AEV@oN EAGE No s-VECP 55038-C 2

4 of 14 N!

4.4 Record number of valid failures in last 20 valid tests for determination of test frequency per Figure 1 of this procedure and Table 4.8-1 of Tech Specs.

4.5 Record number of valid failures f n last 100 valid tests for determination of that fre this procedure and table 4.8 quency per Figure 1 of 1 of Tech Spec, and Reporting Re Tech Specs. ;quirements per section 4.8.1.1.3 of the

)i 4.6 Record current test frequency by comparing number of valid. failures per 20 and 100 valid tests, as given ir previous columns to limits given in Figure 1.

If test frequency must be changed, notify NSAC by completing Data Sheet 4 and transmitting to NSAC Manager.

4.7 Determine total time the Diesel Generator was run following a :partic 2lar sequential start and record on i

Diesel Generator Start Log.

4.8 Calculate the total Diesel Generator run time for the past 30 days.

4.9 Record total time the Diesel Generator was unavailable.

4.10 Record name'and date of person untering data.

'i 4.11 Data Sheet 1, 2 and 3 should be' transmitted to Document 1

Control as deemed necessary by the Responsible Engineer.

5.0 INSTRUCTIONS FOR DIESEL GENERATORS CUMULATIVE O j

DATA (DATA SHEET 2)

NOTE 3

Cumulative operating data of both Diesel Generators is to be reviewed and compiled periodically (every eighteen i

months) and docume.nted on Data i

Sheat 2 b Engineer.y the responsible 5.1 Record the calendar period for which the review covers.

Record the; Sequential Start Numbers for the calendar 5.2 1

period covered.

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5.3 Review all Diesel Generater Start Information Sheets for the calendar period covered to determine the total number of starts, number of, auto starts from either BUS UV or LOCA and number of manual starts.

5.4 From Diesel Generator Start Information Sheets and Data Sheet 1 of this procedura determine the total number of i

Valid Tests, total number of failures (Valid and Invalid) and total number of valid failures for the calendar period covered.

6 5.5 From Diesel Generator Start Information Sheets, 2

determine the number of failures attributed to o error, other human error and equipment failures.perator Also record number 'f failures which occurred during o

l surveillance testing, maintenance testing, during actual demand (LOCA or BUS UV) or other runs for the calendar period covered.

5.6 From Procedure'll885-1 or 11885-2 determine for the time period covered the total Engine Run Time at no

load, O to 25% load, 25 to 50% load, 50 to 751 i
load, 75 to 100% load and 100% load.

i 5.7 From Data Sheet 3 of procedure 14980-1 or 14980-2 Operator's Log), procedure and other sources (e.g. Data Sheet 1 of this i

record all time the Diesel Generator 1

was unavailable.

I 5.8 Record current? Total Run Time frod the Engine Hourr.2ter l

at the Local E6gine Control Panel.

5.9 From Diesel Ceperator Start Information Sheets for the calendar period covered, determine if there were any repeat failure'. mechanisms, repeat human errors or common mode failures. If there were any, give details

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in consnents section.

Attach additional pages, if l

necessary.

5.10 Person perform ng review is to enter his name and the l

date.

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INSTRUCTIONSTbRDIESELGENERATORFAILUREDOCUMENTATION 6.0 I

l SHEET l

NOTE All Diesel Generator Unit failures, valid or invalid are i

to b documented on Data Sheet 3.

This documentation may be used to a pplement reporting requ{rements.

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l 6 of 14 6.1 Identify the Diesel Cenerator unit involved.

6.2 Record the Sequential Start Number on which the failure i

occurred.

6.3 From determination made on Diesel Generator Start Information Sheet, indicate if the start was a valid l

test.

6.4 Identify failure as the failure in the last 100 valid f

tests from Data Sheet 1.

6.5 Describe the cause of the failure.

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6.6 Describe corrective measures taken.

I I'ndicate len 6.7 unavailable.gth of time the Diesel Generator Unit was 6.8 Indicate the current Test Surveillance Interval from Data Sheet 1.

6.9 Verify that the$ est interval is in conformance with t

Table 4.8-1 of the Tech Spec.

6.10 If additional fhilures were experienced during troubleshooting of the subject failure, complete Data Sheet 3 for each of the troubleshooting failures.

NOTE The 16 formation required by the following steps is required only when the number of failures in the last 100 valid tests is seven or more.

6.11 Describe corrective measures taken or planned to increase reliabf,lity of the Diesel Generators.

6.12 Provide an assensment of the existing reliability of electric power no ESF equipment.

6.13 Provide basis for continued plant operation, if that is planned.

6.14 Attach a copy oj! Data Sheet 3 of Procedure 14980-1 or 2 and Data Sheet 1 of this procedure that document all starts that occurred within the time priod over which l

the last 100 Val.id Tests were performed and verifies that surveillance testing during the period was in conformance with Table 4.8-1 of the Tech Spec.

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VECP 55038-C

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6.15 The person' completing Data Sheet 3 is to enter his name and the date!

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7.0 REPORTING

t 7.1 FAILURES i

7.1.1 All diesel generator failures, valid or nonvalid, shall be reported to the NRC in a Special Report submitted to the Re days. gional Administrator of Region 2 within thirty Reports of diesel generator failures shall include the information contained on Data Sheet 3.

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7.1.2 Transmit information in 5.1.1 to Nuclear Safety &

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compliance.

7.2 ENVIRONMENTAL REPORTS l

l 7.2.1 If the diesel generator is operated more than 120 hours0.00139 days <br />0.0333 hours <br />1.984127e-4 weeks <br />4.566e-5 months <br /> per year, Nuclear Safety & Compliance shall be j

notified.

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REFERENCES:

8.1 TECHNICAL SPEC ICATION

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8.1.1 Technical Specification Section 4.8.1.1.3 t

8.1.2 Technical Speci,fication Tabl'e 4.8-1 8.2 PROCEDURES 8l2.1 00404-C, "Surv'eillance Test Program" r

8.2.2 00150-C, "Deffeiency Control" 8.2.3

14980,

" Diesel Generator Operability Test" t

8.2.4

14985, "Diegel Generator Interdependence Test"

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8.2.5 13145 "Diehl Generators" I

8.2.6 11885-C, "Di,e el Generator Operating Log" 8.3 OTHER

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8.3.1 Reg. Guide 1.'108 LetterfromW.f.WoodallDatedFebruary2,1987 8.3.2 8.3.3 Letter to T.E. Byerley dated December 22, 1981 END OF PROCEDURE TEXT

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  1. coCEDU%E NO.

agygsson P1GE NO.

VEGP 55038-C 2

8 of 14 FIGURE 1 DIESEL GENERATOR TEST SCHEDULE

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Number of Failures Ndeber of Failures in last 100 Valid in Last 20 Valid Tests

  • Tests
  • Test Frequency y

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Once Per 31 Days 2**

5 Once Per 7 Days See definition of VALID TESTS & FAILURES.

For the purposes of determining the required test frequency, the previous test failure count may be reduced to zero if a complete diesel overhaul to like-new condition is completed, provided that the overhaul, including appropriate post-maintenance operation and testing, is.specifically approved by the manufacturer and if acceptable reliability has been demonstrated.- The reliability criteria shall be the successful completion of 14 consecutive tests in a single series.

Ten of these tests shall be in accordance with the routine Surveillance requirements specified in procedure 14980-1 and four tests in accordance with the 6 month (184-day) testin requirement specified in procedure 14980-1. g

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If this criteria is not satisfied during the first series of 1

tests, any alternative critarion to be used to transvalue the failure count to zero requires NRC approval.

The associated test frequency shall be maintained until seven (7) consecutive failure free demands have been performed and the number of failures in the last 20 valid demands has been redu.ced to one (1).

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DATA SHEET 2 PACE OF DC TRAIN UNIT DIESF.L CENERATORS CUMULATIVE OPERATINC DATA i

STEP OPERATING DATA TRAIN A

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Period Covered: Fros (Date) 5.1 To (Date)

Starts Covered: From (Sequential Start No.)

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5.2 To (Sequential Start No.)

I Tot.11 Starts Qt d Auso Starts (LOCA) 5.3 Tv.41 Auto,! u ces (BUV)

Totalf.z n Starts l

Totsi Va_.8id Tests 5.4 Total Failures (Valid and invalid)

Total Valid Failures Failures Attributed to Operator Error Failures attributed to other Human Error 5.5 Equipment Failures-Failt.res occurring durina Surveillance Testing Failures occurring during Maintenance Testing Failures occurring durina Actual Demand Failures occurring during all other runs Total Run Time at No Load Total Run Time at 0 251 load 5.6 Total Run Time at 25 501 lead Total Run Tioe at 50 751 load Total Run Time at 75 100% load Total Run Time at 1001 load 5.7 Total Time Enzine Unavailable i

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) DATA SHEET 2 (CONT'D)

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DIESEL CENERATORS CtDfUI.ATIVE OPERATING DATA f'

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STEP OPERATING DATA TRAIN A TRAIN B 5.8 Current Engine Hourmeter reading Repeat Failure Mechanism (Yes No) 5.9 Repeat Human Errors (Yes, No)

Common Mode Failures (Yes, No) i Comments:

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DATA SHEET 3 PAGE ___ 0F l;;

DIESEL CENERATOR FAILUF,., DOCLHENTATION SHEET Complete For All Diesel Cenerator Failures 6.1 Diesel Cenerators 6.2 Sequential Start Number:

y 6.3 Valid Test (Yes, No):

6.4 Failure in last 100 Valid Tests:

6.5 Cause of Failure 6.6 Corrective Measure Taken:

6.7 Length of Time Diesel Generator Unavailable:

6.8 Current Surveillance Test Interval:

6.9 Test Interval in Conformance with Table 4.8-1 of Tech Specs.?

6.10 Data Sheet 3 completed for each failure during troubleshooting?

If Failure is 7 in last 100 valid Test 6.11 Corrective sensures, taken or planned, to increase reliability of the Diesal Cenerator:

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DATA SHEET 3 (CONT'D)

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l DIESEL CENERA_ TOR FAIT.URE DOCUMENTATION SHEET If Failure is 7 in last 100 Valid Test 6.12 Assessment of existing reliability of Electrical Power to EST equipment:

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6.13 BasisforcontinuedPlantOperationfifplanned:

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i 6.14 Data Sheets s'ttached documenting last 100/ Valid Tests?

l 6.15 Data Sheet Completed By (Name/ Data)

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KOCEDUAE NO.

ROflSION pAGE NO.

t2CP 55038-C 2

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DATA SHEET 4 5

TO:

V*AC MANAGER i

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FROM:

ENGINEERING SUPPORT SUPERINTEND DT

SUBJECT:

DIESEL CENERATOR TEST TREQUS CT t.

DIESEL CENERATOR DIESEL CENERATOR TEST TREQUENCY SHOULD BE CHANCED TO :

e 31 DAYS t

7 DAYS

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REASON TOR TEST FREQUDidT CHANGE:

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