ML19242D675
| ML19242D675 | |
| Person / Time | |
|---|---|
| Site: | Millstone  |
| Issue date: | 07/16/1979 |
| From: | Ziemann D Office of Nuclear Reactor Regulation |
| To: | Counsil W NORTHEAST NUCLEAR ENERGY CO. |
| References | |
| TASK-***, TASK-03-02, TASK-03-03.A, TASK-03-07.B, TASK-03-07.D, TASK-RR NUDOCS 7908160057 | |
| Download: ML19242D675 (3) | |
Text
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UNITED STATES
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July 16,1979 g, -*....f Docket No. 50-245 Mr. W. G..Counsil, Vice President Nuclear Engineering and Operations Northeast Nuclear Energy Company P. O. Box 270 Hartford, Connecticut 06101 Dear Mr. Counsil-RE:
REQUEST FOR ADDITIONAL INFORMATION SYSTEMATIC EVALUATION PROGRAM STRUCTURAL TOPICS MILLSTONE NUCLEAR POWER STATION, UNIT NO. 1 To continue our review of the Systematic Evaluation Program structural top.;.
we request that you provide the information described in the enclosure for each of the identified topics.
Your response is requested within 30 days so that we can maintain our review schedule.
Sincerely,
, %'hrn a
Dennis L. Zieman /
, Chief Operating Reactors Branch #2 Division of Operating Reactors
Enclosure:
Request for Additional Information cc w/ enclosure:
See next page
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7908760077 9
Mr. W. G. Counsil July 16,1979 cc w/ enclosure:
William H. Cuddy, Esquire Day, Berry & Howard Counselors at Law One Constitution Plaza Hartford. Connecticut 06103 Anthony Z. Roisman Natural Resources Defense Council 917 15th Street, N. W.
Washington, D. C.
20005 Northeast Nuclear Energy Company ATTN:
Superintendent Millstone Plant P. O. Box 128 Waterford, Connecticut 06385 Mr. James R. Himmelwright Northeast Utilities Service Company P. O. Box 270 Hartford, Connecticut 06101 Nuclear Regulatory Commission, Region I Office of Inspection and Enforcement ATTN: John T. Shedlosky 631 Park Avenue K_ing of Prussia, Pennsylvania 19406 Waterford Public Library Rope Ferry Road, Route 156 Waterford, Connecticut 06385 K M C, Inc.
ATTN:
Richard E. Schaffstall 1747 Pennsylvania Avenue, N. W.
Suite 1050 Washington, D. C.
20006 b3 2i
Me ENCLOSURE MILLSTONE UNIT NO. 1 REQUEST FOR INFOPRATION STRUCTURAL TOPICS Information is needed for the following structural topics:
III-2 Wind and Tornado Loads Indicate which standards or codes (including edition date) were used in the design of each Category I structure for wind and tornado.
III-3.A Effects of High Water Level on Structures Provide the design water level, including the hurricane flooding conditions, that was considered in the design of each Category I structure.
III-4 Missile Generation and Protection Provide the missile barrier design criteria of the reactor building and turbine building.
III-7.B Design Codes, Design Criteria, Load Combination, and Reactor Cavity Design Criteria 1.
With regard to the design of the steel containment, provide the design specifications and aopropriate design reports.
This information should include the information requested in items two through six below.
2.
List the codes and standards (including edition date) used for design and construction of each Category I structure.
3.
List all loads and load combinations considered in the design of each Cate]ory I structure, including any missile or pipe break effects.
4.
Provide the pertinent material properties of the steel and concrete (i.e., fg and fi, etc.) used in the design of each safety related structure.
5.
Describe the method of combining stresses induced by seismic action with the stresses resulted from non-seismic loads.
6.
Provide a summary of stresses or strains at critical locations in all Category I structures for each load and load combination considered in the design.
III-7.D Containment Structural Integrity Tests Provide any reports that describe the procedures and results of the primary containment structural integrity test.
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