ML20080D499

Status Rept on Diesel Generator Crankshaft Matters Per ASLB 830816 Memorandum.Requests Litigation of Contentions Be Held Pending Issuance of FAA Final Rept.Certificate of Svc Encl

ML20080D499
Person / Time
Site:	Shoreham File:Long Island Lighting Company icon.png
Issue date:	08/25/1983
From:	Earley A HUNTON & WILLIAMS, LONG ISLAND LIGHTING CO.
To:
References
ISSUANCES-OL, NUDOCS 8308300469
Download: ML20080D499 (9)

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LILCO, August 25, 1983 00CKETED US%RC

'83 ALE 29 Ali :40

$'M}Cg,Jf UNITED STATES OF AMERICA c

NUCLEAR REGULATORY COMMISSION smer" -

Before the Atomic Safety and Licensing Board In the Matter of

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LONG ISLAND LIGHTING COMPANY

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Docket No. 50-322 (OL)

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(Shoreham Nuclear Power Station,

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Unit 1)

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STATUS REPORT ON DIESEL GENERATOR CRANKSHAFT MATTERS LILCO submits this Status Report on Diesel Generator Crankshaft Matters pursuant to the Board's Memorandum and Order Deferring Filing of Testimony and Commencement of Hearings on Diesel Generators dated August 16, 1983.

As LILCO previously reported to the Board promptly on Saturday, August 13, 1983, a failure occurred in the crankshaft of emergency diesel generator 102 in the vicinity of the no. 7 cylinder.

Further investigation of the failure indicated that i

the crankshaft had experienced a crack that severed the shaft.

As reported in LILCO's letter to the Board dated August 22, 1983, indications were found on the crankshaft of emergency diesel generator 103.

Subsequent investigation confirmed that this crankshaft contained a crack approximately 2" long and i

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1/2" deep.

Examination of the crankshaft of emergency diesel generator 101 has revealed an indication similar to the indica-tion found on the crankshaft of emergency diesel generator 103.

The Staff and County were advised of these facts.

The indica-tion on the crankshaft of diesel generator 101 has since been determined to be a crack 1 1/2" - 2" long and approximately 360 mils deep.

Additional examination of the crankshaft of emer-gency diesel generator 101 has also revealed indications in the vicinity of the no. 3 and no. 5 cylinder journals.

Examination of the crankshafts on diesel generators 101 and 103 is still in progress.

Investigation of the cause or causes of the failure of the crankshaft of emergency diesel generator 102 is underway and will be conducted in accordance with a master plan which i

generally describes steps to be taken during the investigation and remedy of the crankshaft failure.

The master plan also de-scribes organizational responsibilities for this effort.

A copy of the master plan, which was approved yesterday, has been made available to the Staff and the County and for the Board's information is attached to this Report.

The plan was prepared prior to confirming the existence of cracks on the crankshafts of diesel generators 101 and 103 and therefore does not reflect that information.

This Status Report will supplement the

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i information provided in the master plan with respect to emergency diesel generators 101 and 103.

As the plan indicates, LILCO will use the resources of appropriate LILCO organizations, Stone & Webster Engineering Corp., Transamerica Delaval and appropriate contractors to carry out the steps outlined in the diesel generator master plan.

In addition, as the plan also reflects, Failure Analysis Associates (FAA), a highly qualified and experienced organiza-4 l

tion in the field of failure analyses, will conduct the inves-tigation to determine the cause or causes of the crankshaft f

failure on diesel generator 102 and the cracks in the crank-shafts of diesel generators 101 and 103.

FAA, engineering and metallurgical consultants, have substantial experience investigating mechanical, structural and materials failures both in nuclear and non-nuclear applications.

1 The master plan calls for moving emergency diesel gen-erator 102 from the diesel room to the turbine building where a clean area with controlled access will be established.

Transamerica Delaval personnel will then disassemble the engine to permit removal of the failed crankshaft.

At present, dis-I connection of diesel generator 102 from its auxiliary equipment

-has been completed and preparations for removing the engine l

from the diesel generator room are underway.

Once the engine i i..

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i has been placed in the turbine building and disassembled, the f

crankshaft will be sent to an appropriate facility off site for completion of failure analyses by~or under the supervision of FAA.

A similar process will be used to investigate the cracks on the crankshafts of diesel generators 101 and 103.

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LILCO currently intends to replace the existing 13" X 11" crankchafts with 13" X 12" crankshafts on all three en-e gines.

Arrangements are now being made for ihipment of the crankshafts to the site.

The investigation being conducted will also determine whether the installation of these new crankshafts will remedy the problems experienced in the old crankshafts or whether other remedies will be required.

LILCO is not certain at this time whether the replacement of the three crankshafts will resolve the problems encountered with the diesel generators or whether some other remedial measures may be required.

J Crankshaft replacement is currently planned to take place in the turbine building where the engines will be reas-sembled.

Once reassembly is complete, the engines will be re-l j

- turned to the diesel room where they will be installed and reconnected to auxiliary equipment.

As described in the master plan, appropriate testing of the diesels will then be

. conducted.

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i As noted, the investigation into the cause or causes of the crankshaft failure in diesel generator 102 and the cracks found in the crankshafts of diesel generators 101 and 103 has commenced and is underway.

The cause or causes of these cracks i

and failures have not been identified.

LILCO expects that the crankshaft for emergency diesel generator 102 will be removed 4

from the engine in approximately two weeks and that preliminary information concerning the failure analysis may be available two weeks thereafter.

Thus, FAA estimates that a final report on the failure analysis will be completed 4-6 weeks from the f

date of this Status Report.

A copy of this FAA report will be made available to the Board and parties.

This estimate of 4-6 weeks will be revised if necessary.

At the present time, as a result of the crankshaft failures and indications, it is LILCO's current judgment that l

under the most favorable known circumstances, Shoreham will not be ready to load fuel until sometime late in the first quarter i

of 1984 or early in the second quarter of 1984.

More precise i

estimates of the time it will take to complete the investiga-(

tion and to repair and test all three diesel generators must necessarily await receipt of further information from the fail-ure analysis.

Needless to say, LILCO will continue to take whatever steps are appropriate that would permit an earlier fuel load., -... -...

9 Given this situation, LILCO does not believe it would be productive to conduct any litigation on diesel generator is-sues until issuance of FAA's failure analysis report.

Litiga-tion of diesel generator issues prior to completion of that re-port would interfere with LILCO's efforts to investigate and remedy the crankshaft matters because key personnel at LILCO, Stone & Webster and Transamerica Delaval would be involved in discovery and testimony at the same time they would be involved in the crankshaft efforts.

Accordingly, LILCO respectfully re-quests that litigation of diesel generator contentions be held in abeyance pending issuance of the FAA final report which is expected in approximately 4-6 weeks.

LILCO respectfully sug-gests that the Board and parties review and consider the matter of scheduling litigation of the diesel generator contentions after the issuance of the FAA final report.

LILCO understands that the Staff supports deferral of any consideration of diesel generator issues.

The substance of this status report was provided to the County late Tuesday and we understand that the County also supports deferral.

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6 Respectfully submitted, LONG ISLAND LIGHTING COMPANY

.' S. Ellisg f1I W -

Anthony F.(Earley, Jr.

Hunton & Williams Post Office Box 1535 Richmond, Virginia 23212 DATED:

August 25, 1983 l

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LILCO, August 25, 1983 p

CERTIFICATE OF SERVICE In the Matter of LONG ISLAND LIGHTING COMPANY (Shoreham Nuclear Power Station, Unit 1)

Docket No. 50-322 (OL)

I hereby certify that copies of LILCO's Status Report on Diesel Generator Crankshaft Matters were served this date upon the following by first-class mail, postage prepaid, or by hand as indicated by as asterisk:

Lawrence Brenner, Esq.*

Secretary of the Commission Administrative Judge U.S. Nuclear Regulatory Atomic Safety and Licensing Commission Board Panel Washington, D.C.

20555 U.S. NRC 4350 East-West Highway Atomic Safety and Licensing Fourth Floor (North Tower)

Appeal Board Panel Bethasda, Maryland 20814 U.S. Nuclear Regulatory Commission Dr. Peter A. Morris

• Washington, D.C.

20555 Administrative Judge Atomic Safety and Licensing Atomic Safety and Licensing Board Panel Board Panel U.S. NRC U.S. Nuclear Regulatory 4350 Ecst-West Highway

^

Washington, D.C.

20555 Commission Fourth Floor (North Tower)

Bethesda, Maryland 20814 Dr. George A. Ferguson*

Daniel F. Brown, Esq.*

Administrative Judge Attorney School of Engineering Atomic Safety and Licensing Howard University Board Panel 2300 5th Street, N.W.

4350 East-West Highway Washington, D.C.

20059 Fourth Floor (North Tower)

Bethesda, Maryland 20814 4

-.--,.--n,

% Bernard M. Bordenick, Esq.*

David J. Gilmartin, Esq.

David A. Repka, Esq.

Attn:

Patricia A. Dempsey, Esq.

U.S. NRC County Attorney Maryland National Bank Bldg.

Suffolk County Department of Law 7735 Old Georgetown Road Veterans Memorial Highway Eethesda, Maryland 20814 Hauppauge, New York 11787 Herbert H. Brown, Esq.

Stephen B.

Latham, Esq.

Lawrence Coe Lanpher, Esq.

Twomey, Latham & Shea Alan k. Dynner, Esq.*

33 West Second Street Kirkpatrick, Lockhart, Hill, P.

O.

Box 398 Christopher & Phillips Riverhead, New York 11901 8th Floor 1900 M Street, N.W.

Ralph Shapiro, Esq.

Washington, D.C.

20036 Cammer and Shapiro, P.C.

9 East 40th Street Mr. Marc W. Goldsmith New York, New York 10016 Energy Research Group 4001 Totten Pond Road James Dougherty, Esq.

Waltham, Massachusetts 02154 3045 Porter Street Washington, D.C.

20008 MHB Technical Associates 1723 Hamilton Avenue Howard L. Blau Suite K 217 Newbridge Road San Jose, California 95125 Hicksville, New York 11801 Mr. Jay Dunkleberger Jonathan D.

Feinberg, Esq.

New York State Energy Office New York State Agency Building 2 Department of Public Service Empire State Plaza Three Empire State Plaza Albany, New York 12223 Albany, New York 12223 1

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Ahthony F arl $ Jr.

'f Hunton & Williams 707 East Main Street l

P.O. Box 1535 l

Richmond, Virginia 23212 l

i DATED:

August 25, 1983 l

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