ML19320C795
| ML19320C795 | |
| Person / Time | |
|---|---|
| Site: | North Anna  |
| Issue date: | 07/02/1980 |
| From: | Youngblood B Office of Nuclear Reactor Regulation |
| To: | Ferguson J VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.) |
| References | |
| NUDOCS 8007180039 | |
| Download: ML19320C795 (4) | |
Text
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.p WASHINGTON, D. C. 20555 JUL 2 1980 Docket No. 50-339 Mr. J. H. Ferguson Executive Vice President -
Power Operations Virginia Electric & Power Company P. O. Box 26666 Richiiiond, Virginia 23261
Dear Mr. Fergus.:
SUBJECT:
REQU'
- 0D'TIONAL INFORMATION FOR THE REVIEW 0F THE NORTH ANNA c
')N, UNIT NO. 2 FINAL SAFETY ANALYSIS REPORT (FSAR)
As a result of our continuing revied of the North Anna FSAR, we find tnat we need additional infonnation to complete our evaluation related to your request of June 18, 1980, regarding the addition of fifteen snubbers. The specific information required is listed in the enclosure.
Our review schedule is based on the assumption that this additional information will be available for our review by July 7,1980.
If you cannot meet this date, please inform us immediately so that we may revise our schedule accordingly.
Please contact Alexander Dromerick, Licensing Project Manager, North Anna Pcwer Station, Unit No. 2, if you desire any discussion or clarification of the enclosed request. Mr. Dromerick can be reached at (301) 492-7100.
Sincerely, f
t.(:
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B. J. Youngblood,' Chief Licensing Branch No. 1 Division of Licensing
Enclosure:
Request for Additional Information ecs: See next page l
1
l m
JUL 2 1980 Mr. J. H. Ferguson Executive Vice President - Power Operations Virginia Electric & Power Company P. O. Box 26666 Richmond, Virginia 23261 cc:
Mr. Anthony Gambaradella Clarence T. Kipps, Jr., Esq.
Office of the Attorney General 1700 Pennsylvania Avenue, N.W.
11 South 12th Street - Room 308 Washington, D. C.
20006 Richmond, Virginia 23219 Carroll J. Savage, Esq.
Richard M. Foster, Esq.
1700 Pennsylvania Avenue, N.W.
Musick, Williamson, Schwartz Washington, D. C.
20006 Leavenworth & Cope, P. C.
P. O. Box 4579 Mr. James C. Dunstan i
Boulder, Coloraco 80306 State Corporation Comission Commonwealth of Virginia Michael W. Maupin, Esq.
Blandon Building Hunton, Williams, Gay & Gibson Richmond, Virginia 23209 P. O. Box 1535 Richmond, Virginia 23212 Alan S. Rosenthal, Esq.
Atomic Safety and Licensing Appeal Board Mrs. June Allen U.S. Nuclear Regulatory Commission 412 Owens Drive Washington, D. C.
20555 Huntsville, Alabama 35801 Michael C. Farrar, Esq.
Mrs. James Torson Atomic Safety and Licensing Appeal Board 501 Leroy U.S. Nuclear Regulatory Comission Socorro, New Mexico 87801 Washington, D. C.
20555 Mrs. Margaret Dietrich Dr. John H. Buck Route 2, Box 568 Atomic Safety and Licensing Appeal Board Gordonsville, Virginia 22942 U.S. Nuclear Regulatory Comission Washington, D. C.
20555 William H. Rodgers, Jr., Esq.
Georgetown University Law Center Atomic Safety and Licensing Board Panel 600 New Jersey Avenue, N. W.
U.S. Nuclear Regulatory Commission Washington, D. C.
20001 Washington, D. C.
20555 3
i Mr. Peter S. Hepp Mr. Michael S. Kidd Executive Vice President U.S. Nuclear Regulatory Comission Sun Shipping & Dry Dock Company P. O. Box 128 P. O. Box 540 Spotsivania, Virginia 22553 l
Chester, Pennsylvania 19013 Dr. Paul W. Purdom Mr. R. B. Briggs Department of Civil Engineering Associate Director Drexel University 110 Evans Lane Philadelphia, Pennsylvania 19104 Oak Ridge, Tennessee 37830 l
l e
4 Mr. J. H. Ferguson cc:
Dr. Lawrence R. Quarles Apartment No. 51 Ken '.al-at-Longwood Kennett Square, Pennsylvania 19348 c
Mr. Irwin B. P. root Citizens Ener gy Forum P. O. Box 138 McLean, Virginia 22101 James B. Dougherty, Esq.
Potomac Alliance 1416 S Street, N.W.
-Washington, D. C.
20009 W. R. Cartwright, Station Manager.
P. O. Box 402 Mineral, Virginia 23117 W. L. Stewart, Manager P. O. Box 315 Surry, Virginia 23883 I
i 4
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JUL 2 1980 ENCLOSURE REQ' JEST FOR ADDITIONAL INFORMATION NORTH ANNA POWER STATION, UNIT 2 DOCKET NO. 50-339 With regard to your request of June 18, 1980, related to the addition of fifteen additional snubbers, we require the following additional information before licensing for full power operation:
1.
A list of all North Anna Unit 2 piping systems which are not similar to those in North Anna Unit 1.
(By not similar we mean that the system model, analysis and results for a given system in Unit 1 are not directly applicable to the same system in Unit 2.)
2.
A comitment to resolve the seismic analysis issue for these yste:ns as is being done for North Anna Unit 1.
3.
Provide design and construction information for the safety injection system where the fifteen snubbers will be added (we believe that this system is described by MSX 104B), as follows:
a.
A detailed explanation for this action.
b.
The MSK or problem number of the same system in North Anna Uni t 1.
c.
Isometric drawings (as-built condition) indicating where additional snubbers will be added.
d.
Relevant response spectra at the supports Computer print out showing the input to the problem, complete e.
static and dynamic analyses in the original and modified configurations, and the corresponding ASME stress calculations.
The analyses in the modified configuration should be based on envelope spectra as per verbal commitment.
.