ML19316A492
| ML19316A492 | |
| Person / Time | |
|---|---|
| Site: | Oconee  |
| Issue date: | 06/22/1970 |
| From: | Schwencer A US ATOMIC ENERGY COMMISSION (AEC) |
| To: | Long C US ATOMIC ENERGY COMMISSION (AEC) |
| References | |
| NUDOCS 7912200746 | |
| Download: ML19316A492 (2) | |
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UNITED STATES I'Dfe' ATOMIC ENERGY COMMISSION
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June 22, 1970 To Files THRU: Charles G. Long, Chief, PWR Project Branch 2
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Division of Reactor Licensing PHONE CALL FROM DUKE POWER COMPANY ON OCONEE NUCLEAR STATION, DOC 50-269, 50-270 AND 50-287, DATE OF CALL JUNE 2,1970 Matters Discussed _
The joint irequency wind speed and wind direction meteorological 1.
data for selected delta T conditions vill be delayed due to a computer breakdown.
Bill Lee stated that Duke is not in a position to perform a 2.
dynamic analysis to rigorously prove that their static analysis of their hydro structures is as conservative as a dynamic analysis.
The analysis that was performed is considered by Duke' to be con-Duke is uraware of any one treating ventional for such structures.
such structures dynamically. In addition, while not expecting a dynamic analysis to find f ault with their static analysis, Bill Lee estimated that it would require.4 to 6 months for several engineers to perform a dynamic analysis.of all these structures and that
.He Duke could not get started on this until sometime in 1971.
further said that the design of these structures has been reviewed by a three-man consultant board and the Federal Power Commission and considered acceptable. The FPC also was said to have inspected this f acility during construction.
3.
Duke will supply drawings of the emergency breaker mult as requested.
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In regard to earthqu'ake generated waves on Lake Keowee, Duke does not expect any significant land slides into the lake from an earth-quake due to the nature of the soils, rocks and topography upstream of the Oconee Station.
5.
With regard to the seismic design of the Jocassee Dam and the con-sequences of its f ailure on the Oconee Nuclear Station, Mr. Lee statea that he persces11'; recalls telling the staff and the ACRS in May and July of 1961 du.-ing the CP review that Oconee can withstand -
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" To Files 2-June 22, 1970 the unlikely loss of the seismically designed Jocassee Dam and still have the core remain coolable. He noted that emergency water would be available f rom the pond created by a weir in the. intake canal for just this.' contingency. He also noted that the 100 kV
. emergency power substation and transmission lines are located on high ground..
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Albert Schwencer, Senior Project Leader PWR Project Branch 2, DRL Distribution:
R. C. DeYoung C. G. Long A. Schwencer 4
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