ML20236A558

Forwards Safety Evaluation of Util Request to Eliminate Arbitrary Intermediate Pipe Breaks in High Energy Piping Sys.Request Acceptable Provided Util Does Not Relax Environ Qualification of safety-related Equipment

ML20236A558
Person / Time
Site:	Comanche Peak
Issue date:	10/13/1987
From:	Charemagne Grimes NRC OFFICE OF SPECIAL PROJECTS
To:	Counsil W TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
Shared Package
ML20236A560	List: ML20236A558 ML20236A574
References
GL-87-11, NUDOCS 8710220361
Download: ML20236A558 (4)

Text

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l October 13, 1987 Docket Nos. 50-445 dnd 50-446 Mr. William G. Counsil Executive Vice President Texas Utilities Electric Company 400 North Olive Street, L.B. 81 Dallas, Texas 75201

SUBJECT:

ELIMINATION OF ARBITRARY INTERMEDIATE PIPE BREAKS The staff has completed its evaluation of your request to~ eliminate arbi-trary intermediate pipe breaks in high energy piping systems at the Comanche Peak Steam Electric Station (CPSES), Units 1 and 2. This evaluation considered the staff positions presented in Generic Letter 87-11, " Relaxation in Arbi-trary Intermediate Pipe Rupture Requirements," dated June 19, 1987 and the as-surance you have provided, in a July 29, 1986 response to staff request for additional information, that elimination of arbitrary intermediate pipe breaks will not reduce the environmental qualification of safety-related equipment.

We have determined that your request to eliminate arbitrary intermediate pipe breaks can be implemented without undue risk to public health and safety provided i that you do not relax the environmental qualification of safety-related equip-ment at CPSES Units 1 and 2 unless a specific exemption is granted by the NRC.

The enclosed safety evaluation will appear'in a future supplement related to ,

the operation of Comanche Peak Steam Electric Station Units 1 and 2 and will l I

close out open issue 37.

Should you have any questions or need further clarification, please contact AnnetteVietti-Cook,ProjectManager,at(301)492-4555, or Melinda Malloy, Project Manager, at (301)492-7624.

Sincerely'nal (origi signed by)

Christopher I. Grimes, Director Comanche Peak Project Division Office of Special Projects

Enclosure:

DISTRIBUTION Safety Evaluation LDocket File; .AVietti-Cook NRC PDR MMalloy cc: See next page Local PDR DTerao CPPD Reading RBosnak

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FSAR File 3.6.2

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, UNITED STATES

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y; g NUCLEAR REGULATORY COMMISSION WASHINGTON, D. C. 20666 r, y-u...[ October.13,.1987 Docket Nos. 50-445 and 50-446

.Mr. William G. Counsil Executive Vice President Texas Utilities Electric Company:

-400 North Olive Street, L.B. 81 E Dallas, Texas E75201 .

SUBJECT:

ELIMINATION OF'AR8ITRARY INTERMEDIATE.PI'E P BREAKS-The staff has completed its evaluation'of'your request;to eliminate arbi-trary intermediate pipe' breaks in high energy. piping systems at the Comanche.

Peak Steam Electric Station (CPSES), Units .1'and .2. This evaluation considered

~

the staff positions presented in Generic Letter 87-11, " Relaxation in'Arbi-I trary Intermediate Pipe Rupture Requirements," dated June 19,'1987 and the as-surance you have provided, in.a July 29,-.1986 response to. staff request for additional information ~ that elimination of arbitrary intermediate pipe' breaks will not reduce the environmental qualification ofl safety-related equipment.

We have determined:tnat your request to eliminate. arbitrary intermediate. pipe . .

breaks can be implemented without undue risk to public health and safety provided-that you do not relax the environmental: qualification of safety-related equip-ment at CPSES ~ Units 1 and 2 unless a . specific exemption -is granted by the NRC..

The enclosed. safety evaluation will appear in a future supplement related to>

the operation of Comanche Peak Steam Electric Station Units.1 and.2..and will close out open issue 37.

l Should you have any questions or need further clarification,-please' contact l Annette Vietti-Cook, Project Manager, at (301)492-4555,-or Melinda Malloy, Project Manager, at (301)492-7624.

L Sincerely, l

C. .L. b Christopher.paivas.

Grimes, Director-Comanche Peak Project Division:

Office of Special Projects

Enclosure:

Safety Evaluation cc: See next page ,

s

\

W. G. Counsil Comanche Peak Steam Electric Station Texas Utilities Electric Company Units 1 and 2 4

cc: '

Thomas G. Dignan, Jr. Asst. Director for Inspec.' Programs Ropes & Gray Comanche Peak Project Division 225 Franklin Street U.S. Nuclear Regulatory Commission l

Boston, Massachusetts 02110 P. O. Box 1029 Granbury, Texas 76048 i

Robert A. Wooldridge, Esq. Regional Administrator, Region-IV Worsham, Forsythe, Sampels & U.S. Nuclear Regulatory Commission l

611.Ryan Plaza Drive, Suite 1000

~

J

! Wooldridge l 2001 Bryan Tower, Suite 2500 Arlington, Texas. 76011 l Dallas, Texas 75201 ]

l l Lanny A. Sinkin Mr. Homer C. Schmidt Christic Institute Director of Nuclear Services 1324 North Capitol Street l

Texas Utilities Electric Company Washington, D.C. -20002 Skyway Tower i 400 North Olive Street, L.B. 81 Ms. Billie Pirner Garde, Esq. l Dallas, Texas 75201 Government Accountability Project Midwest Office'  ;

Mr. Robert E. Ballard, Jr. 104 East Wisconsin Avenue Director of Projects Appleton, Wisconsin 54911 Gibbs and Hill, Inc.  ;

11 Penn Plaza New York, New York 10001 David R. Pigott, Esq.

Orrick,.Herrington & Sutcliffe )

600 Montgomery Street Mr. R. S. Howard San Francisco, California 94111 Westinghouse Electric Corporation P. O. Box 355 Anthony Z. Roisman, Esq.

Pittsburgh, Pennsylvania 15230 Suite 600 1401 New York Avenue, NW Renea Hicks, Esq. Washington, D.C.-20005 ,

Assistant Attorney General Environmental Protection Division Robert Jablon P. O. Box 12548, Capitol Station Bonnie S. Blair Austin, Texas 78711- Spiegel & McDiarmid 1350 New York Avenue, NW Mrs. Juan'.ta Ellis, President Washington, D'C. 20005-4798 Citizens Association for Sound Energy l 1426 South Polk George A. Parker, Chairman Dallas, Texas 75224 Public Utility Committee Senior Citizens Alliance Of Ms. Nancy H. Williams Tarrant County,- Inc. <

CYGNA Energy Services 6048 Wonder Drive 2121 N. California Blvd., Suite 390 Fort Worth, Texas 76133 Walnut Creek, CA 94596 f

--_____.-.-n_-____________a . _ _ _ _ _ . _ _ _ - . _ __ _ _ . _ . . _ . _ - - . - , . - -

u a u .u.-.

y e-1 i

W. G. Counsil Comanc'he Peak Electric Station '

I Texas Utilitics Electric. Company Units 1 and 2 .

I cc

. Joseph F. Fulbright  !

Fulbright & Jaworski- l 1301 McKinney Street Houston, Texas 77010

. Roger'O. Walker Manager, Nuclear Licensing Texas Utilities Electric Company :

Skyway Tower

, 400 North' Olive Street, L.B. 81 l Dallas, Texas 75201 Mr. ' Jack Redding l

) c/o Bethesda-Licensing j l Texas' Utilities Electric Company j

( 3 Metro Center, Suite 610 l Bethesda, Maryland 20814 j

l William A. Burchette, Esq. -!

Counsel for Tex-La Electric Cooperative J of Texas Heron, Burchette, Ruckert & Rothwell .f I Suite 700 l 1025 Thomas Jefferson. Street, NW

' Washington, D.C. 20007 l

James M. McGaugby GDS Associates, Inc. j l Suite 450 2525 Cumberland Parkway Atlanta, Georgia 30339 L Administrative Judge Peter Bloch U.S. Nuclear Regulatory Commission Washington, D.C. 20555 Elizabeth B.-Johnson Administrative Judge Oak Ridge National Laboratory i- r. O. Box X, Building 3500 Oak Ridge, Tennessee 37830 i

Dr. Kenneth A. McCollom

-1107 West Knapp-Stillwater, Oklahoma 74075 Dr. Walter H. Jordan Administrative Judge 881 West Guter Drive

. Oak Ridge, Tennessee 37830 L __- _ -_- ____ - ___.