ML20083R115
| ML20083R115 | |
| Person / Time | |
|---|---|
| Site: | Oyster Creek, Vermont Yankee, 05000000 |
| Issue date: | 06/30/1972 |
| From: | Heider L VERMONT YANKEE NUCLEAR POWER CORP. |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| Shared Package | |
| ML20083R100 | List: |
| References | |
| REF-SSINS-6820 IEB-72-01, IEB-72-1, NUDOCS 8303310434 | |
| Download: ML20083R115 (4) | |
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ll VERA10NT YANKEE NUCLEAR POWER CORPORATION I? -
SEVENTY SEVEN OROVE STREET RUTLAND, VERMONT 05701 REPLY TOs June 30, 1972 ENGINEERING OFFICE m
TURNPlKE ROAO WESTBORO, MASSACHUSETTS 01581 TELEPHONE Gl7 366 90ll t
Mr. James P. O'Reilly, Director Division of Compliance United States Atomic Energy Commission f.V Q.)4 970 Broad Street Newark, New Jersey 07102 g4.fe
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Dear Mr. O'Reilly:
v,-f W With reference to your letter dated June 21, 1972 concerning the
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failed hangers on the ECCS suction header, no ring-headers or other
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cross-connections are included in the Vennont Yankee design.
Each ECCS
.a subsystem is supplied by an individual suction pipe from the torus.
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The suction piping is supported by a combination of variable-spring fs hangers and floor-mounted supports, neither of which is supported from
.in#r the torus.
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4 The plant has completed the requested detailed inspection of the
- I% e installed ECCS system suction piping support hangers. The results of
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this inspection revealed that no installation inadequacies or physical damage exists.
In addition to this most recent inspection, the RHR and (t.QJ Core Spray systems were extensively tested during the preoperational
..s 4,4 test program at design system flow conditions. Hangers were observed g;-[-L during both pump starting and operating conditions to insure that no excessive pipe movement or hanger loading was experienced. A post-LgN installation inspection of all hangers was also conducted to confinn FU..
proper location, installation and setting.
M.'; f" Should you desire additional information, feel free to contact us.
{Eg Very truly yours, hkhb.
itf VERhDNF YANKEE NUCLEAR POWER CORP.
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i sua NHac40 th Louis H. Heider
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Manager of Operations g l-Q GST/amw garmth N'
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UNITID STATES OF AMERICA
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ATOMEC INERGY COMMISSION In the Matter of i
VIR)ONT YANKEE NUCLEAR IOWER CORIORATION Docket No. 50-271 (Vermont Yankee Nuclear Power Station)
CptTIFICATE OF SERVICE 5
I hereby certify that copies of the Applicant's letter dated June 30, 1972, addressed to James P. O'Reilly, Director, Division of Compliance, have been served on the following by deposit in the United States mail, first class or airmail, on the 30th day of June,1972.
Samuel W. Jensch, Esq., Chairman Ibnald W. Stever, Jr., Esq.
Atomic Safety and Licensing Board Assistant Attorney General U. S. Atomic Ihergy Commission Office of Attorney General Washington, D. C.
205h5 Concord, New Hampshire 03301 Nathaniel H. Goodrich, Esq., Chairman Honorable James M. Jeffords Atomic Safety & Licensing Board Panel Attorney General U. S. Atomic Energy Commission State of Vermont Room 1039 Montpelier, Vermont 05602 Washington, D. C.
205h5 Dr. David B. Hall Gregor I. McGregor, Esq.
Los Alamos Scientific Laboratory Assistant Attorney General
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P. O. Box 1663 Department of the Attorney General Los Alamos, New Mexico 875hh State House, Room 370 Boston, Massachusetts 02133 Dr. Ira F. Zartman 8h8 Holly Drive South Anthony Z. Roisman, Esq.
Berlin, Roisman and Kessler 1
RFD #6 1712 N Street, N.W.
j Annapolis, Maryland 21h01 Washington, D. C.
20036 1
Dr. Abel Wolman J. Eric Anderson, Esq.
The Johns Hopkins University Fitts and Olson 209 Ames Hall 16 High Street Baltimore, Msryland 21218 Brattleboro, Vermont 05301 s
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John H. Adams, Esq.
Peter S. Paine, Eq.
Natural Resources Defense Council Inc.
Cleary, Gottleib, Steen & Hamilton-36 West hhth Street 52 Wall Street New Yorkj New York 10036 New York, New York 10005 Harvey D. Carter, Jr.,Esq.
Sidney G. Kingsley, Esq., Chairman Williams, Witten & Carter Atomic'Safc.ty & Licensing Appeal Board 115 Elm Street U. S. Atomic Energy Comission l
Bennington, Vermont 05201 Washington, D. C.
205h5 Jonathan N. Brownell, Esq.
Mr. Stanley T. Robinson, Jr.
Paterson, Gibson, Noble & Brownell Chief, Public Proceedings Branch 26 State Street
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Office of the Secretary Montpelier, Vermont 05602 U. S. Atomic Ehergy Comission Washington, D. C.
205h5 Donald L. Rushford, Esq.
William Massar, Bq.
Vermont Public Service Board Assistant Chief Hearing Counsel 7 School Street
.U. S. Atomic Energy Commission Montpelier, Vermont 05602 Washington, D. C.
205h5 William H. Ward, Esq.
Assistant Attorney General Office of the Attorney General State Capitol Building Topeka, Kansas 66612 hkh A
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-Donald E. Vandenburgh, Vice Prqjident 1
Vermont Yankee Nuclear Power Corporation
.