ML19329A169
| ML19329A169 | |
| Person / Time | |
|---|---|
| Site: | Oconee  |
| Issue date: | 12/07/1976 |
| From: | Neighbors D Office of Nuclear Reactor Regulation |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 7912300194 | |
| Download: ML19329A169 (2) | |
Text
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DISTRIBUTION" Dockets #
ORB #1 Reading DOCKETS N05.: 50 69/ 70/287 DATE:
DEC 0 71976 LICENSEE:
Duke Power Company (DPC)
FACILITY:
Oconee Nuclear Station i
sui 3ARY OF TRIP TO OCONEE NUCLEAR STATI0ft ON NOVE;3ER 18 AND 19,1976 A trip was made to the Oconee Nuclear Stat on on Novenber 18 and 19,1976, to evaluate (1) the Keowee Overhead Energency Electric Transmission Line, (2) the use of Lee Conbu; tion power source as backup for the Keowce Hydro Units and (3) the flooding potential of the Oconee turbine building.
P.cnbers of the staff who participated in the trip and persons contacted are listed in the enclosure.
The afternoon of the first day of the visit was spent looking at the Kcowee Overhead Emergency Electric Transmission Line, the 230KV switchyard, the Keowee Dam and the Keowce flydro Units.
This installation is being evaluated to determine if it is seismically designed to withstand the 0.15 g carth-quake referred to in the Oconee FSAR for Class I structures.
In our Safety Evaluation dated June 30, 1976, we stated that the licensee had advised us that the power path is seismically designeo and had comitted to provide confirmatory infomation for us to cocplete our review of the power path. The purpose of the trip was to physically see the installation to aid in our review.
Also on November 18, 1976, we discussed the DPC proposed license amendment dated October 13, 1976, which would change the Oconee Technical Specifications to allow increased flexibility of operation and maintenance of the Oconee electrical system. This change involves the use of the Keowee Hydro Units and the Lee Cenbustion Turbine.
On the second day of the visit, Novenber 19, 1976, we toured the turbine building, the auxiliary building the condenser circulating water intake structure and the condenser circulating trater discharge structure. This was 1
i basically an infomation and familiarization tour to aid us in eur review of the flooding potential in the turbine building from events such as ruuture of the condenser circulating water system and the resulting postulated impact
.on the Oconee Plant.
Onginal signed by g3 J. D. Neighbors, Project l'.anager Operating Reactors Branch fl Division of Operating Reactors tr*
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j Form AEC.)18 (Rev. 9-53) AECM 0240 Tr u. s. oovanwuawr enintime orries: era.sawtne
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e a DEC 0 71976 Meeting Sumary for Duke Power Power Docket File NRC-PDR LOCAL PDR ORB #1 Reading i
NRR Reading B. C. Rusche E. G. Case V. Stello K. R. Goller D. Eisenhut T. J. Carter A. Schwencer D. Ziemann G. Lear i
R. Reid R. Clark L. Shao R. Baer W. Butler B. Grimes Project Manager Attorney, OELD Ol&E (3)
- 5. M. Sheppard Participants {NRC)
R. Fraley, ACRS (16)
T. B. Abernathy J. R. Buchanan i
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UNITED STATES
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's NUCLE AR REGULATORY COMMisslON 3.. I ~ l 3
WASHINGTON, D. C. 20555
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%.~.... f DOCKETS NOS.: 50-269/270/287 DATE: DEC 0 71976 LICENSEE:
Duke Power Company (DPC)
FACILITY:
Oconee Nuclear Station
SUMMARY
OF TRIP TO OCONEE NUCLEAR STATION ON NOVEMBER 18 AND 19, 1976 A trip was made to the Oconee Nuclear Station on November 18 and 19,1976, to evaluate (1) the Keowee Overhead Emergency Electric Transmission Line, (2) the use of Lee Conbustion power source as backup for the Keowee Hydro Units and (3) the flooding potential of the Oconee turbine building.
Members of the staff who participated in the trip and persons contacted are listed in the enclosure.
The afternoon of the first day of the visit was spent looking at the Keowee Overhead Emergency Electric Transmission Line, the 230KV switchyard, the Keowee Dam and the Keowee Hydro Units. This installation is being evaluated to determine if it is seismically designed to withstand the 0.15 g earth-In our quake referred to in the Oconee FSAR for Class I structures.
30, 1976, we stated that the licensee had Safety Evaluation dated June advised us that the power path is seismically designed and had committed to provide confirmatory information for us to complete our review of the power path. The purpose of the trip was to physically see the installation to aid in our review.
Also on November 18, 1976, we discussed the DPC proposed license amendment 13, 1976, which would change the Oconee Technical Specifications dated October to allow increased flexibility or operation and maintenance of the Oconee electrical system. This change involves the use of the Keowee Hydro Units and the Lee Combustion Turbine.
On the second day of the visit, November 19, 1976, we toured the turbine building, the auxiliary building the condenser circulating water intake This was structure and the condenser circulating water discharge structure.
basically an information and familiarization tour to aid us in our review of the flooding potential in the turbine building from events such as rupture of the condenser circulating water system and the resulting postulated impact on the Oconee Plant.
Q ALLu l.D.Neighbhrs,ProjectManager perating Reactors Branch #1 Division of Operating Reactors Enclosure & cc: See next page i
d NRC STAFF MEMBERS AND DPC PERSONNEL PARTICIPATING IN NOVEMBER 18 AND 19,1976, TRIP _
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NRC_
D. Neighbors 1
G. Bagchi
- F. Clemenson P. Atherton T. Epps
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M. Tuckman T. Harrall J. Stoner D..Rehn R. Hardin N. Pope DEC 0 71976-ec y
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