ML19319B213

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Forwards AEC Position Re Adjacent Oconee Units & Lee Steam Stations Combustion Turbines Per Completed Preliminary Review of Amend 37 & 38,Revisions 24 & 25 for Multiple Unit Operation.Requests Info by 730131
ML19319B213
Person / Time
Site: Oconee  Duke Energy icon.png
Issue date: 01/04/1973
From: Deyoung R
US ATOMIC ENERGY COMMISSION (AEC)
To: Thies A
DUKE POWER CO.
References
NUDOCS 8001100759
Download: ML19319B213 (3)


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sa JAM 4 Docket Nos. (59-270 and 50-287 Duke Feeer C e y AT N: Mr. A. C. Thima Senior Vice President Fredesties and Tr===i==4==

422 south Church Street F. O. Een 2178 Charlotte, North Caroline 28201 Centlemen:

We have sempleted a pr=14=i==vy review of A===d===to 37 and 38, Reviaises 24 and 25 for Oeones multi s it operation. unelamad is a stacament of our positten relative to adjsamat Ocomee units and the Lee Steam fitation acebustion turbines. - We will met be able to eemplete our rettaw until you have either:

1.

Sebsitted Taeh=ient specifismeta== that esafers to the==etaa=3 Position, or 2.

Submitted additiesel information emppeTting the eaadiHm====dar skich an adjacent Ocemme Unit er a sembusties turbine is asemed to be an esseptable pesar soures.

In order to meet our rarist a-had=1== the above informaties meet be available as am

  • to your applie=*4a= by f====ry 31, 1973. Fleese inform us within seven Q) days after receipt of this letter of your eenfir-aHa= of the anhadule er the date you will be able to meet.

Fleese centeet as if you have any ;_' M-regarding this letter er the aesleeure.

Staserely, atiniset signed W B. 8. DeY est L C. DaTesag, Ameistant Director I

for Pressurised Meter Reactere Directorate of fia===4=r b

man 1===re:

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Duke Fo or Company F. O. Bag 2178 i

422 South Church Street Charlotte, N. C. 28201 DISTRIBUTION AEC PDR I

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fAEC - DOL' POSITION' RELATIVE TO

- OCONEE POWER SOURCES.

' OCONEE NUCLEAR STATION, UNITS 2'and 3-DOCKET NOS. 50-270 and 50-287 1

- 1.--The technical; specifications'should be written without reference

to.an adjacent Oconee unit.as'a powerisource.. Although net. load-4-

rejection capability is a design objective, there is, at ti.e present time,nolinformation available on which to base.a judgment regarding the reliability of such a power source.. If, at some future; time, you apply.--for a change in.the technical specifications, it is expected

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that.the change application would be" supported by a description of

- the net load rejection test procedure, the ntest' results, and plans -

for. conducting.16ad rejection tests" on _ a periodic basis.

i 2 / We considered-the gas turbine as a temporary substitute power source for use only during the periods when the hydro units are not,.

available. You have estiziated these periods to.be approximately 24

-hours.each year'plus 4 days.once every 10-years when the common

--penstock will ha drained'for inspection and maintenance. Ta technical specifications lshould permit operation with a combuction turbine serving as a required power source only under.these conditions.

Therefore,-for-unrestricted operation and.startup from cold shutdown

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conditions, i.e.,-Specification'3.7.1, a Lee Steam Station combustion turbine should not be considered to be one of the power sources-whose availability is required by' General' Design Criterion 17.

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