ML20055E455

Corrected Tech Spec Page 3/4 9-1 Re Auxiliary Electrical Sys to License DPR-21

ML20055E455
Person / Time
Site:	Millstone
Issue date:	07/05/1990
From:	Office of Nuclear Reactor Regulation
To:
Shared Package
ML20055E453	List: ML20055E451 ML20055E455
References
NUDOCS 9007110354
Download: ML20055E455 (2)

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LIMITING CONDITION FOR OPERATION i

3.9 AUXILIARY ELECTRICAL SYSTEM Anolicabilitv:-

Applies to the auxiliary electricai power system.

Ob.iective:

To assure an adequate supply of electrical power during plant operation.

Soecification:

A.

The reactor shall not be made critical unless all of the following.

i conditions are satisfied:-

1.

One 345 kV line, associated switchgear, and auxiliary startup transformer capable of automatically supplying auxiliary power.

1 2..

.Both emergency power sources are operable.

~3.

An additional source of power consisting of one of the following:

a.

The 23 kV line,-associated switch-gear, shutdown transformer 3

to supply power to the emergency 4160 volt buses..

b.

One 345 kV line fully operational and capable of carrying auxiliary power to the emergency buses.

4.

4160 volt buses five and six are energized and the associated-1 480 volt buses are energized.

L-5.-

All neutron monitoring 24 volt and station 125 volt batteries and associated battery' chargers are operable, l

l SURVEILLANCE REQUIREMENT E

L 4.9 AUXILIARY ELECTRICAL. SYSTEM i

-Acolicability:

l-l Applies' to the periodic testing requirements of the auxiliary electrical l

. system..

i f

Ob.iective:

7 Verify the operability of the auxiliary e'lectrical system.

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i Millstone Unit 1-3/4 9-1 Amendment No. JS, 36

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