ML20112E864

Application to Amend CPPR-135 & CPPR-136,eliminating Need to Install Pipe Whip Restraints on Primary Loop Piping & Other Hardware Required to Mitigate Effects of Breaks,By Exemption to 10CFR50,App a GDC 4.Fee Paid

ML20112E864
Person / Time
Site:	Seabrook
Issue date:	03/22/1985
From:	Johnson W PUBLIC SERVICE CO. OF NEW HAMPSHIRE
To:	Harold Denton Office of Nuclear Reactor Regulation
References
SBN-782, NUDOCS 8503270217
Download: ML20112E864 (3)

Text

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3 Q Wendell P. Johnson Vice President Pld3EC ServlCG Cf M @ (,

March 22, 1985 New Hampshire Yankee Division SBN- 782 T.F. B6.1.10 Director of Nuclear Reactor Regulation -

United States Nuclear Regulatory Commission Washington, D. C. 20555 Attention: Mr. H. R. Denton

References:

(a) Construction Permits CPPR-135 and CPPR-136, Docket Nos. 50-443 and 50-444 (b) PSNH Letter, SBN-703, dated August 9, 1984, " Alternate Pipe Break Design Criteria", J. DeVincentis to G. W. Knighton (c) PSNH Letter, SEN-705, dated August 21, 1984, " Safety Evaluation Report (SER) Outstanding Issue No. 5, ' Load Combinations, Design Transients, and Stress Limits'",

J. DeVincentis to G. W. Knighton (d) PSNH Letter, SBN-756, dated January 31, 1985, " Reactor Coolant Loop Pipe Break Elimination Benefits Summary",

J. DeVincentis to G. W. Knighton

Subject:

Application for Amendment to Construction Permits; Exemption from 10CFR50, Appendix A, General Design Criterion 4 (GDC-4)

Dear Sir:

Public Service Company of New Hampshire, the United Illuminating Company, Massachusetts Municipal Wholesale Electric Company, New England Power Company, Central Maine Power Company, The Connecticut Light and Power Company, Canal Electric Company, Montaup Electric Company, Bangor Hydro-Electric Company, New Hampshire Electric Cooperative, Inc., Central Vermont Public Service Corporation, Maine Public Service Company, Fitchburg Gas and Electric Light Company, Vermont Electric Generation and Transmission Cooperative, Inc.,

Taunton Municipal Lighting Plant, and Hudson Light & Power Company, as they are the Joint Holders of, and Permittees under, Construction Permits Nos.

CPPR-135 and CPPR-136 hereby apply, pursuant to 10CFR Section 50.90, for an amendment to the above-numbered Construction Permits.

The amendment, if granted, would afford the Permittees partial exemption from 10CFR50, Appendix A, General Design Criterion 4 (GDC-4) as it applies to the postulation of longitudinal and circumferential pipe breaks in the Reactor Coolant System primary loop piping (hot leg, cold leg, and crossover leg

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8503270217 850322 Yh PDR ADOCK 05000443 -

A PDR P.O. Box 300 Seabrook,NHO3874

• Telephone (603)474-9521 j gege*F5'A' gl50'

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^ Mr. H. R. Denton

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piping). Grant of the amendment would eliminate the need'to install pipe whip

' restraints on the primary. loop. piping and other hardware required to mitigate the dynamic effects of these breaks, including jet impingement and reactor cavity pressurization. The Permittees have also performed analyses under the assumption that.these breaks and-the loads generated by them are nonexistent,

to demonstrate that the' functional capability of essential Class 1 piping systems is maintained.

The' technical foundation for Permittees request for partial exemption from GDC-4 was: submitted in Reference (b). A summary of the benefits

. associated with the partial exemption from GDC-4 was submitted in 1 _ Reference (d). The functional capability of essential Class 1 piping systems was. addressed in Reference (c). The' aforementioned.submittals, which support

'or are contingent upon granting ~of the amendment requested herein, are hereby incorporated by reference into this application.

The Application, Fee ($150.00) required by 10CFR170.12(c) is remitted herein.

Very truly yours, 99$4wv W. P. Johnson Vice President

.cc: Atomic Safety and Licensing Board Service List COMMONWEALTH OF MASSACHUSETTS)

. . . .)ss

.MIDDLESEX COUNTY )-

o . . Then personally appeared before me, W. P. Johnson, who, being duly sworn,

.did state that he is a Vice President of Public Service Company of New Hampshire, that he is duly authorized to execute and file the foregoing request .in the name and on the behalf of Public Service Company of New Hampshire and that the statements therein are true to the best of his

. knowledge and belle f.

A. L.VIJkend6d Jr.

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William S. Jordan, III Donald E. Chick Diane Curran Town Manager Harmon, Weiss & Jordan Town of Exeter 20001 S. Street, N.W. 10 Front Street Suite 430 Exeter, NH 03833 Washington, D.C. 20009 Brentwood Board of Selectmen Robert G. Perlis RED Dalton Road Office of the Executive Legal Director Brentwood, NH 03833 U.S. Nuclear Regulatory Commission Washington, DC 20555 Richard E. Sullivan, Mayor City Hall Robert A. Backus, Esquire Newburyport, MA 01950 116 Lowell Street P.O. Box 516 Calvin A. Canney Manchester, NH 03105 City Manager City Hall Philip Ahrens, Esquire 126 Daniel Street Assistant Attorney General Portsmouth, NH 03801 Augusta, ME 04333 Dana Bisbee, Esquire Mr. John B. Tanzer Assistant Attorney General Designated Representative of Office of the Attorney General the Town of Hampton 208 State House Annex 5 Morningside Drive Concord, NH 03301 Hampton, NH 03842 Anne Verge, Chairperson Roberta C. Pevear Board of Selectmen Designated Representative of Town Hall the Town of Hampton Falls South Hacpten, NH 03842 Drinkwater Road Hampton Falls, NH 03844 Patrick J. McKeon Selectmen's Office Mrs. Sandra Gavutis 10 Central Road Designated Representative of Rye, NH 03870 the Town of Kensington RFD 1 Carole F. Kagan, Esquire East Kingston, NH 03827 Atomic Safety and Licensing Board Panel U.S. Nuclear Regulatory Commission Jo Ann Shotwell, Esquire Washington, DC 20555 Assistant Attorney General Environmental Protection Bureau Mr. Angi Machiros Department of the Attorney General Chairman of the Board of Selectmen One Ashburton Place, 19th Floor Town of Newbury Boston, MA 02108 Newbury, MA 01950 Senator Gordon J. Humphrey Town Manager's Office U.S. Senate Town Hall - Friend Street Washington, DC 20510 Amesbury, MA 01913 (ATTN: Tom Burack)

Senator Gordon J. Humphrey Diana P. Randall 1 Pillsbury Street 70 Collins Street Concord, NH 03301 Seabrook, NH 03874 (ATIN: Herb Boynton)

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