ML20108E763

Transcript of Pr Johnston 850308 Deposition Re Replacement Crankshaft Stress Dynamics.Certificate of Svc Encl.Related Correspondence

ML20108E763
Person / Time
Site:	Shoreham File:Long Island Lighting Company icon.png
Issue date:	03/08/1985
From:	Johnston P FAILURE ANALYSIS ASSOCIATES, INC.
To:
References
CON-#185-969 OL, NUDOCS 8503120304
Download: ML20108E763 (6)

Text

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UNITED STATES OF AMERICA NUCLEAR REGULATORY COMMISSION Before the Atomic Safety and Licensing Board I

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l LONG ISLAND LIGHTING COMPANY }- DOCKET NO. 50-322 (OL)

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(Shoreham Nuclear Power )

Station, Unit 1) )

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PROFFERED TESTIMONY OF PAUL R. JOHNSTON l

l 8503120304 850308 PDR ADOCK 05000322 T PDR.

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1. Please state your name, business affiliation and

, address.

l-A. My name is Dr. Paul R. Johnston. I am employed by Failure Analysis Associates, 2225 East Bayshore Road, Palo Alto, California 94303.

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2. Have you previously testified in this proceeding?

l A. Yes. My resume and professional qualifications have been previously submitted in this proceeding.

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) 3. Dr. Johnston, are the measured stresses in the I

g Shoreham replacement crankshafts linear in their progression I from 2800 KW to 3800 KW?

l l A. Yes. The stresses in the crankshaft increase l

linearly with increase in load. The stresses in the crankshaft l have been determined from the dynamic strain gauge test of EDG I

l 103 in January 1984 at loads of 1750, 2700, 2800, 3500, and 3800 KW. Results of this test are shown in LILCO Exhibit C-16 l previously admitted in this proceeding. Specifically, the l

l relationship between load and stress or strain is shown in Figures B-1 through B-6'of this exhibit. These-figures show a

} linear increase of stress with load. Generally, if the load

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changes by a given percentage, it can be seen that the stress or strain changes by a slightly smaller percentage.

4. Dr. Johnston, in response to several of Mr. Dynner's questions on cross-examination, Dr. Bush indicated that one of the stresses measured upon the Shoreham replacement crankshaft was tensile stress, which Dr. Bush indicated was measured at 29,800 psi (in a Stone & Webster report) and was not utilized in his analysis. Do you agree with this?

A. No. The strain gauge measurements on the EDG 103 crankshaft capture the effect of all stresses on the crankshaft. These stresses include torsional, bending, and tensile stresses (I prefer to refer to the tensile stresses as 1

axial stresses). The strain gauge measurements were reduced to alternating and mean stresses by Failure Analysis Associates in LILCO Exhibit C-17 at page 3-9 (FaAA-84-3-16 referred to by Dr.

Bush), previously admitted in this proceeding. Dr. Bush testified that it was these stresses that were used in his fatigue analysis.

The stress values quoted by Dr. Bush in response to a question from Judge Ferguson were taken from LILCO Exhibit C-16, page B-5 (the Stone & Webster report referred to by Dr.

Bush). The major principal stress of 29,800 psi referred to by Dr. Bush is not an axial stress but simply a combination of the bending and shear stresses. The stresses that Dr. Bush quoted are simply different representations of the same stress state.

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This stress state is the one used by Failure Analysis Associates'in LILCO Exhibit C-17 and thus is the stress state I used by Dr. Bush. Simply put, this means that Dr. Bush did not ignore any stresses -.J actually used the appropriate stresses in his fatigue analysis.

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, LILCO, March 8, 1985 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 the Proffered Testimony of Paul R. Johnston were served this date upon the following by first-class mail, postage prepaid, or by hand, as indicated by as asterisk:

Lawrence Brenner, Esq.* Atomic Safety and Licensing Atomic Safety and Licensing Appeal Board Panel Board Panel U.S. Nuclear Regulatory U.S. NRC Commission 1 4350 East-West Highway Washington, D.C. 20555 l Fourth Floor (North Tower)

[ Bethesda, Maryland 20814 Atomic Safety and Licensing i Board Panel Dr. Peter A. Morris

• U.S. Nuclear Regulatory Atomic Safety and Licensing Commission Board Panel Washington, D.C. 20555 U.S. NRC 4350 East-West Highway Robert E. Smith, Esq.

Fourth Floor (North Tower) Guggenheimer & Untermyer Dethesda, Maryland 20814 80 Pine Street New York, N.Y. 10005 Dr. George A. Ferguson*

Atomic Safety and Licensing Robert G. Perlis, Esq.*

Board U.S. Nuclear Regulatory School of Engineering Commission Howard University 7735 Old Georgetown Road

, 2300 6th Street, N.W. Maryland National Bank Bldg.

l, Washington, D.C. 20555 Bethesda, Maryland 20814 l

Secretary of the Commission Alan R. Dynner, Esq.*

, U.S. Nuclear Regulatory Kirkpatrick & Lockhart Commission 1900 M Street, N.W.

1 Washington, D.C. 20555 Washington, D.C. 20036

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Mr. Marc W. Goldsmith Stephen B. Latham, Esq.

Energy Research Group Twomey, Latham & Shea 4001 Totten Pond Road 33 West Second Street Waltham, Massachusetts 02154 P. O. Box 398 Riverhead, New York 11901 L

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4 MHB Technical Associates Ralph Shapiro, Esq.

1723 Hamilton Avenue Cammer and Shapiro, P.C.

Suite K 9 East 40th Street San Jose, California 95125 New York, N.Y. 10016 Mr. Jay Dunkleberger James Dougherty, Esq.

J New York State Energy Office 3045 Porter Street Agency Building 2 Washington, D.C. 20008 Empire State Plaza Albany, New York 12223 Martin Bradley Ashare, Esq.

Attn: Patricia A. Dempsey, Esq.'

Jonathan D. Feinberg, Esq. County Attorney State of New York Suffolk County Department of Law Department of Public Service Veterans Memorial Highway

} Three Empire State Plaza Hauppauge, New York 11787 Albany, New York 12223 Howard L. Blau

{ 217 Newbridge Road I Hicksville, New York 11801 Leek _ _ $& f Odes L. Stroupe,. tg i

g Hunton & Williams vf l

BB&T Building Post Office Box 109 l Raleigh, North Carolina 27602

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) DATED: March 8, 1985 l

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