Text

Proposed Tech Specs Pages for Amend to Licenses DPR-77 & DPR-79,allowing Use of Fully Qualified & Tested Spare Inverter in Place of Any of Eight Required Inverters
	ML20196F221
Person / Time
Site:	Sequoyah
Issue date:	06/24/1999
From:	; TENNESSEE VALLEY AUTHORITY
To:	;
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ML20196F215	List: ML20196F212; ML20196F221;
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	NUDOCS 9906290163
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ff; ENCLOSURE 2 TENNESSEE VALLEY AUTHORITY SEQUOYAH PLANT (SQN)

UNITS 1 AND 2 PROPOSED TECHNICAL SPECIFICATION (TS) CHANGE 99-06 MARKED PAGES l

I.

AFFECTED PAGE LIST Unit 1 3/4 8-9 3/4 8-10 Unit 2 3/4 8-10 3/4 8-11 II.

MARKED PAGES See attached.

i 9906290163 990624 PDR ADOCK 05000327 P

PDR 1

ELECTRICAL POWER SYSTEMS 3/4.8.2 ONSITE POWER DISTRIBUTION SYSTEMS A.C. DISTRIBUTION -~ OPERATING

-LIMITING CONDITION FOR OPERATION E3.8.2.1 -The following A.C. electrical boards shall be OPERABLE and energized with tie breakers open between redundant boards:

6900

' Volt' Shutdown Board 1A-A

'6900 Volt Shutdown Board 1B-B 6900 Volt Shutdown Board 2A-A 6900 ~

. Volt Shutdown Board 2B-B 480 Volt Shutdown Board 1Al-A

'480 Volt Shutdown Board 1A2-A 480 Volt Shutdown Board 1B1-B

-480 Volt Shutdown Board 1B2-B

'480 Volt Shutdown Board 2Al-A' 480 Volt Shutdown Board 2A2-A' 480 Volt Shutdown Board 2B1-B 480

-Volt Shutdown Board 2B2-B 120 Volt A.C. Vital Instrument Power Board Channels 1-I and 2-I energized from inverters 1-I and 2-I connected to D.C. Channel I*#@.

l 120' Volt A.C.. Vital Instrument Power Board Channels 1-II and 2-II energized from inverters 1-II and 2-II connected to D.C.

Channel II*#@.

l 120 Volt A.C. Vital Instrument Power Board Channels 1-III and 2-III energized from inverters 1-III and 2-III connected to D.C.

Channel III*#@.

l 120 Volt A.C.. Vital Instrument Power Board Channels 1-IV and 2-IV energized from inverters 1-IV and 2-IV connected to D.C.

Channel IV*#@.

l APPLICABILITY: MODES 1, 2,

3 and 4.

ACTION:

a.

With less than the above' complement of A.C. boards OPERABLE and energized,

~ restore the inoperable boards to OPERABLE status within 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months or be in at least HOT STANDBY within the next 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days 0.00833 hours 4.960317e-5 weeks 1.1415e-5 months .

b.

With one inverter inoperable, energize the associated Vital Instrument Power Board within 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months ; restore the inoperable inverter to OPERABLE status within 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months or be in at least HOT STANDBY within the next 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days 0.00833 hours 4.960317e-5 weeks 1.1415e-5 months .

SURVEILLANCE REQUIREMENTS 4.8.2.1 ~ The specified A.C. boards and inverters shall be determined OPERABLE and energized with tie breakers open between redundant boards at least once per 7 days by verifying. correct breaker alignment and indicated voltage on the busses.

Two inverters may be disconnected'from their D.C. source for up to 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months for the purpose of performing an equalizing charge on their associated battery bank provided (1) the vital instrument power board is OPERABLE and l

energized, and (2) the vital instrument power boards associated with the other battery banks are OPERABLE and energized from their respective inverters connected to their respective D.C. source.

't i

D.C. Channel V may be substituted for any one channel of channels I-IV.

j

@ The spare inverter for a specified channel may be substituted for one of the two inverters of the same channel.

SEQUOYAH - UNIT 1-3/4 8-9 Amendment No. 37 j

l

)

R

~ - ' '

ELECTRICALPOWERSYSTEMS 3/4.8.2 ONSITE POWER DISTRIBUTION SYSTEMS A.C. DISTRIBUTION - OPERATING LIMITING CONDITION FOR OPERATION 3.8.2.1 The'follbwing A.C. electrical' boards shall be OPERABLE and energized with tie breakers open between redundant boards:

6900-Volt Shutdown Board 1A-A 6900~

Volt Shutdown Board 1B-8 6900-Volt Shutdown Board 2A-A.

6900

' Volt Shutdown Board 28-B 480 Volt Shutdown Board 1Al-A 480 Volt Shutdown Board 1A2-A 480 Volt Shutdown Board 181-B.

480' Volt Shutdown Board 182-8 480 Volt Shutdown Board 2Al-A 480

. Volt Shutdown Board 2A2-A 480 Volt-Shutdown Board 281-B

.. 480 Volt Shutdown Board 2B2-B 120 Volt A.C. Vital Instrument Power Board Channels 1-I and 2-I energized from inverters 1-I and 2-I connected to D.C. Channel I*.#S lR41 120 Volt A.C. Vital Instrument Power Board Channels 1-II and 2-II energized from inverters 1-II and 2-II connected to D.C. Channel II*.#8 41 120

~ Volt A.C. Vital Instrument Power Board Channels 1-III and 2-III C

energized from inverters 1-III and 2-III connected to D.C Chann III*.# f41 120

-Volt A.C.-Vital Instrument Power Board Channels 1-IV and 2-IV energized from inverters 1-IV and 2-IV connected to D.C. Channel IV*.#g R41,

APPLICABILITY:

MODES 1, 2, 3 and 4.

ACTION:

a.

With less than the above complement of A.C. boards OPERABLE and energized, restore the inoperable boards to OPERABLE status within 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months or be in

_ _._ at lea _st HOT STANDBY within the next 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months and in COLD SHUT 00WN within_ _

j. _

. the fonuwing 30 hours3.472222e-4 days 0.00833 hours 4.960317e-5 weeks 1.1415e-5 months .

'b.

With one inverter inoperable, energize the associated Vital Instrument Power Board within 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months ; restore the inoperable inverter to OPERABLE status within 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months or be in at least HOT STANDBY within the next 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days 0.00833 hours 4.960317e-5 weeks 1.1415e-5 months .

~' SURVEILLANCE REQUIREMENTS ~

-4.8.2.1. The specified A.C. boards and inverters shall be determined OPERABLE End energized with tie breakers open between redundant boards at least once per j-

~

7 days by verifying correct breaker alignment and indicated voltage on the busses.

"Two inverters may be disconnected from their D.C. source for up to 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months purpose of performing an equalizing charge on their associated battery bank j

(1) the vital instrument power board is J0PERABLE and energized, and (2) the v j

instrument power boards associated with the other battery banks are OPERABLE and

. energized from.their respective inverters connected to their respective D.C. source.

.C.= Channel V may be substituted for any one channel of channel I-Tit SNK.Tswennt fia A Seccirxv CNwnwo-phy or Jussimm Rw an Or77ve n ZWrwns EQUOYAH - UNIT 1 3/48-9 Amendment No. 37 January 24, 1985 a

I ELECTRICAL POWER SYSTEMS b

DISTRIBUTION - SHUTDOWN LIMITING CONDITION FOR OPERATION 3.8.2.2 As a minimum, the following A.C. electrical boards and inverters shall be OPERABLE and energized:

2-6900 volt shutdown boards, either lA-A and 2A-A or 1B-8 and 28-B, 4-480 volt shutdown boards associated with the required OPERABLE 6900 volt shutdown boards, 2-120 volt A.C. Vital instrument power boards eith r Channels I and III or Channels II and IV energized from their respective inverters

connected to their respective D.C. battery banks *, and 480 volt l R43 shutdown boards.

APPLICABILITY:

MODES 5 and 6.

ACTION:

With less than the above complement of A.C. boards and inverters OPERABLE and energized, establish CONTAINMENT INTEGRITY within 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months .

SURVEILLANCE REQUIREMENTS 4.8.2.2 The specifiad A.C. bn="'s and inverters shall be determined OPERABLE and energized at least once per 7 days by verifying correct breaker alignment and indicated voltage on the bus.

Le,rters.Ja $

Batterv Bank.,N. v R4:

e e

L Txe Stanc Nyrarsx. Fix n 9ecipiev Cyganiz trisy de Scissri7uri,3 ex ONC 0F THE To>o.T fin 7t72s Of Tar Sense CHANNf2.

N

=

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January 24, 1985 SEQUOYAH - UNIT 1 3/4 8-10 Amendment No. 37

i

.t ELECTRICAL POWER SYSTEMS 3/4.8.2 ONSITE POWER DISTRIBUTION SYSTEMS 1

A.C.

DISTRIBUTION - OPERATING i

LIMITING CONDITION FOR OPERATION 3.8.2.1 'The following A.C. electrical boards and inverters shall be OPERABLE l

and energized with tie breakers open between redundant boards:

l 6900 Volt Shutdown Board 1A-A j

6900 Volt Shutdown Board 1B-B i

6900 Volt Shutdown Board 2A-A 6900 Volt Shutdown' Board 2B-B 480 Volt Shutdown Board 1Al-A 480 Volt Shutdown Board 1A2-A 480 Volt Shutdown Board 1B1-B 480 Volt Shutdown Board 1B2-B 480 Volt Shutdown Board 2Al-A 480 Volt Shutdown Board 2A2-A 480 Volt Shutdown ~ Board 2B1-B 480 Volt Shutdown Board 2B2-B 120 Volt A.C.

tal Instrument Power Board Channels 1-I and 2-I energized fro inverters 1-I and 2-I connected to D.C.

Channel lR29 120 Volt A.C al Instrument Power Board Channels 1-II and 2-II energize r

inverter 1-II and 2-II connected to D.C.

lR29 Channel I*#.

120 Volt A.

Instrument Power Board Channels 1-III and 2-III energize ro nyerter 1-III and 2-III connected to D.C.

Channel II*

lR29 120 Volt A.

1 Instrument Power Board Channels 1-IV and 2-IV energize rq inverter 1-IV and 2-IV connected to D.C.

Channel V*#5 lR29 l

APPLICABILITY: MODES 1, 2, 3 and 4.

ACTION:

a.

With less than the above complement of A.C. boards OPERABLE and energized, restore the inoperable boards to OPERABLE status within 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months or be in at least HOT STANDBY within the next 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days 0.00833 hours 4.960317e-5 weeks 1.1415e-5 months .

b.

With one inverter inoperable, energize the associated Vital Instrument Power Board within 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months ; restore the inoperable inverter to OPERABLE status withiri4. hoursm "',a in at least HOT STANDBY wrddn the next 6 H

hours and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days 0.00833 hours 4.960317e-5 weeks 1.1415e-5 months .

SURVEILLANCE REQUIREMENTS

.4.8'.2.1 The specified A.C. boards and inverters shall be determined OPERABLE and. energized with tie breakers open between r'edundant boards at least once per 7 days by verifying correct breaker alignment and indicated voltage on the busses.

f--~,s

Two invert "

ay be disconnected from their D.C.

source for up to 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months for the os of performing an equalizing charge on their associated battery bank i

provided (1) the vital instrument power board is OPERABLE and energized, and (2) the vital instrument power boards associated with the other battery banks are OPERABLE and energized from their respective inverters connected to their respective D.C.

sources, f

Chann41 V may Q st$tute (fnr an f_ channels I - '

D lR29

@ HE SMAE INFEATER & /1 SMC/F/ED DNNNE2. /llMyOf $w6.5777' rf2? E u

owe #Tre b.hirex7txs Op 'Tsc kt CHwNez..

SEQUOYAH - UN mendment No. 29 January 24, 1985 i

p I

ELECTRICAL POWER SYSTEMS 3/4.8.2 ONSITE POWER DISTRIBUTION SYSTEMS

-A.C. DISTRIBUTION - OPERATING LIMITING CONDITION FOR OPERATION 3.8.2.1 The following A.C. electrical boards and inverters shall be OPERABLE -

and energized with tie breakers open between redundant boards:

6900 Volt Shutdown Board 1A-A 6900 Volt Shutdown Board 1B-B.

6900 Volt Shutdown Board 2A-A l

6900 Volt Shutdown Board '2B-B 480 Volt Shutdown Board 1Al-A 480 Volt Shutdown Board 1A2-A

'480 Volt-Shutdown Board -1B1-B 480 Volt Shutdown Board 1B2-B,

-480-Volt' Shutdown Board 2Al-A 480 Volt-Shutdown Board 2A2-A 480 Volt Shutdown Board 2B1-B 480.

Volt Shutdown Board 2B2-B 120 Volt A.C. Vital Instrument Power Board Channels 1-I and 2-I energized from inverters 1-I and 2-I connected to D.C.

Channel I*#@.

l 120 Volt A.C. Vital Instrument Power Board Channels 1-II and 2-II energized from inverter 1-II and 2-II connected to D.C.

Channel II*#@.

-l t

120 Volt A.C. Vital Instrument Power Board Channels 1-III and 2-III energized from inverter 1-III and 2-III connected to D.C.

Channel III*#@.

l 120 Volt A.C. Vital Instrument Power Board Channels 1-IV and 2-IV energized from inverter 1-IV and 2-IV connected to D.C.

Channel IV*#@.

l APPLICABILITY: MODES 1, 2,

3 and 4.

ACTION:

a.

With less than the above complement of A.C. boards OPERABLE and energized, restore the inoperable boards to OPERABLE status within 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months or be in at least HOT STANDBY within the next 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days 0.00833 hours 4.960317e-5 weeks 1.1415e-5 months .

b.

'With one inverter inoperable, energize the associated vital Instrument Power Board within 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months ; restore the inoperable inverter to OPERABLE status within 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months or be in at least HOT STANDBY within the next 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days 0.00833 hours 4.960317e-5 weeks 1.1415e-5 months .

i SURVEILLANCE REQUIREMENTS l

4.8.2.l' The specified A.C. boards and inverters shall be determined OPERABLE and energized with tie breakers open between redundant boards at least once per 7 days by verifying correct breaker alignment and indicated voltage on the i

busses.

l

Two inverters may be disconnected from their D.C.

source for up to 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months for the purpose of performing an equalizing charge on their associated battery bank provide (1) the vital instrument power board is OPERABLE and energized, and (2) the vital instrument power boards associated with the l

other battery banks are 02ERABLE and energized from their respective inverters connected to their. respective D.C.,

source.

D.C. Channel V ray be substituted for any one channel of channels I IV.

lR29

@ The spare inverter for a specified channel may be substituted for one of the two inverters of the same channel.

LSEQUOYAH - UNIT 2 3/4 8-10 Amendment No. 29

h ELECTRICAL POWER SYSTEMS

'A,C.

DISTRIBUTION - SHUTDOWN LIMITING CONDITION FOR OPERATION

~3.8.2.2 As'a minimum, the_following A.C. electrical boards and inverters shall be OPERABLE and energized:

~

i y

2--

6900 volt' shutdown boards, either 1A-A and 2A-A or 1B-B and 2B-2, 4~-

480 volt shutdown boards associated with the required OPERABLE 6900 volt shutdown boards, 2L-

'120-volt'A.C. vital instrument power boards either Channels I and III or Channels II and IV energized from their respective inverters #

'l connected to their respective D.C. battery. banks *, and 480 volt

[R41-shutdown boards.

APPLICABILITY: ' MODES 5 and 6.

l ACTIOE:

With less than the above complement of A.C. boards and inverters OPERABLE and energized, establish CONTAINMENT INTEGRITY within 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months .

SURVEILLANCE REQUIREMENTS

=

l 4.8.2.2 The specified A.C. boards and inverters shall be determined OPERABLE and energized at-least once per 7 days by verifying correct breaker alignment and indicated voltage;on the bus.

I 1

i i

l 1

(

Any one of the inverters may be connected to D.C. Battery Bank V.

lR41 1

The spare inverter for a specified channel may be substituted for one of the two inverters of the same channel.

SEQUOYAH - UNIT 1 3/4 8-10 Amendment No. 37 u

r

.e ELECTRICAL POWER SYSTEMS A.C. DISTRIBUTION - SHUTDOWN LIMITING CONDITION FOR OPERATION 3.8.2.2' As a minimum, the following A.C. electrical boards and inverters shall be OPERABLE and energized:

2-6900 volt shutdown boards, either lA-A and 2A-A or 1B-8 and 2B-B, 4-480 volt shutdown boards associated with the required OPERABLE 6900 volt shutdown boards, 2-120 volt A.C. vital instrument power boar'ds eit Channels I and III or Channels II and IV energized from their r vective invertersO connected to their respective D.C. battery banks, nd 480 volt shut-l R29 down boards.

APPLICABILITY:

MODES 5 and 6.

ACTION:

With less than the above complement of A.C. boards and inverters OPERABLE and energized, establish CONTAINMENT INTEGRITY within 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months .

SURVEILLANCE REQUIREMENTS J.8.2.2 The specified A.C. boards and inverters shall be determined OPER*SLE and energized at least once per 7 days by verifying correct breaker alignment and indicated voltage on the bus.

n ne f in rters may be p ted t g C. Batt g Bank V.

R29 hTHE SfA/E keg 7EX ECA A.S/CC/f/6D $HANNEL /UAY C.$t/AS77R/772?

A Er/O I N)/ X 7ER S h k lN C.$4 m f" $/M A/W A *

&A DAIC Of THE E

~

M January 24, 1985 SEQUOYAH - UNIT 2 3/4 8-11 Amandment No.

29 j

ENCLOSURE 3 TENNESSEE VALLEY AUTHORITY SEQUOYAH NUCLEAR PLANT (SGN)

UNITS 1 AND 2 PROPOSED TECHNICAL SPECIFICATION (TS) CHANGE 99-06 REVISED PAGES I.

AFFECTED PAGE LIST Unit 1 3/4 8-9 3/4 8-10 Unit 2 3/4 8-10 3/4 8-11 II.

REVISED PAGES See attached.

1 i

i ^!

ELECTRICAL POWER SYSTEMS I

A.C.

DISTRIBUTION - SHUTDOWN LIMITING CONDITION FOR OPERATION 3.8.2.2 As a minimum, the following A.C. electrical boards and inverters shall be OPERABLE and energized:

2 - 6900 volt shutdown boards, either lA-A and 2A-A or 1B-B and 2B-B, 4 - 480 volt shutdown boards associated with the required OPERABLE 6900 volt shutdown boards, 2 -- 120 volt A.C. vital instrument power boards either Channels I and III or Channels II and IV energized from their respective inverters #

l connected to their respective D.C. battery banks,* and 480 volt shut-lR29 j

down boards.

APPLICABILITY: MODES 5 and 6.

ACTION:

With less than the above complement of A.C. boards and inverters OPERABLE and energized, establish CONTAINMENT INTEGRITY within 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months .

SURVEILLANCE REQUIREMENTS 4.8.2.2 The specified A.C. boards and inverters shall be determined OPERABLE and energized at least once per 7 days by verifying correct breaker alignment and indicated voltage on the bus.

l l

Any one of the inverters may be connected to D.C. Battery Bank V.

lR29

The spare inverter for a specified channel.may be substituted for one of the two inverters of the same channel.

SEQUOYAH - UNIT 2 3/4 8-11 Amendment No. 29

.

ML20196F221

Text

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