ML19332A673

Requests Info Needed by 800908,for Review of Application Re Low Pressure Turbine Discs

ML19332A673
Person / Time
Site:	McGuire, Mcguire
Issue date:	08/27/1980
From:	Tedesco R Office of Nuclear Reactor Regulation
To:	Parker W CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
References
NUDOCS 8009160649
Download: ML19332A673 (3)

Text

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. UNITED STATES

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AUG 2 71980 Docket Nos.: 50-369 and 50-370 Duke Power Company ATTN: Mr. William 0. Parker, Jr.

Vice President - Steam Production Post Office Box 33189 422 South Church Street Charlotte, North Carolina 28242

Subject:

LP Turbine Discs - Request For Information (McGuire Nuclear Station, Units 1 and 2)

As a result of our review of your application we find that we are in need of the following information:

1.

For each low pressure turbine provide:

a.

Turbine ' type b.

For each disc:

1.

type of material including material specifications

' 2 '.

tensile properties data 3.

toughness properties data including Fracture Appearance Transition Temperature and upper energy and temperature 4.

keyway temperati" as 5.

critical crac' size at operating and design overspeed i

6.

crack growth rate 7.

calculated b'are and keyway stress at operating and design overspeed 8.

calculated K1c data 9.

minimum yield strength specified for each disc 2.

Provide details of the results of any completed preservice inspection of low pressure turbine rotors. For each indication detected, provide l

details of the location of the crack, its orientation, and size.

3.

Indicate discs that will have sufficient moisture in the hub to cause a propensity for stress corrosion cracking.

We request that you provide this information no later than September 8,1980.

h Robert L. Tedesco, Assistant Director for Licensing Division of Lic.ensing

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Mr. William 0. Parker, Jr.

-Vice President, Steam Production Duke Power Company -

P. O. Box 2178 422 South Church Street Charlotte, North Carolina 28242 cc:

Mr. W. L. Porter David Flesichaker, Esq.

Duke Power Company 1735 Eye Street, N. W.

P. O. Box 2178 Suite 709 422 South Church Street Washington, D. C.

20006 Charlotte, North Carolina 28242 Richard P. Wilson. Esq.

I Mr. R. S. Howard Assistant Attorney General Power Systems Division State of South Carolina Westinghouse Electric Corporation 2600 Bull Street P. O. Box 355 Columbia, South Carolina 29201 Pittsburgh, Pennsylvania 15230 Mr. E. J. Keith EDS Nuclear Incorporated 220 Montgomery Street San Francisco, California 94104 Mr. J. E. Houghtaling NUS Corporation 2556 Countryside Boulevard Clearwater, Florida 33515 Mr. Jesse L. Riley, President The Car 01ina Environmental Study Grcup 854 Henley Place Charlotte, North Carolina 28207 J. Michael McGarry, III, Esq.

Debevoise & Liberman 1200 Seventeenth Street, N. W.

Washington, D. C.

20036 Rober t M. Lazo, Esq., Chairman Atomic Safety and Licensing Board U. S. Nuclear Regulatory Comission Washington, D. C.

20555 6r. Emeth A. Luebke Atomic Safety and Licensing Board U. S. Nuclear Regulatory Comission Washington, D. C.

20555 Dr. Cadet H. Hand, Jr., Director Bodega Marine Lab of California i

P. O. Box 247 Bodega Bay, California 94923

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Mr. William 0. Parker, Jr.

cc: David Flesichaker, Esq.

1735 Eye Street, N. W.,

Suite 709 Washington, D. C.

20006 I

Richard P. Wilson, Esq.

Assistant Attorney General State of South Carolina 2600 Bull Street Columbia, South Carolina 29201

'L Office of Intergovernmental Relations 116 West Jones Street Raleigh, North Carolina 27603 County Manager of Mecklenburg County 720 East Fourth Street Charlotte, North Carolina 28202 U. S. Environmental Protection Agency ATTN: EIS Coordinator Region IV Office 345 Courtland Street, N. W.

Atlanta, Geor3 a 30308 O

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