ML20065G968

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Proposed Tech Specs Re Steam Generator Level,Narrow Range Instrumentation
ML20065G968
Person / Time
Site: South Texas  STP Nuclear Operating Company icon.png
Issue date: 08/22/1990
From:
HOUSTON LIGHTING & POWER CO.
To:
Shared Package
ML20065G965 List:
References
NUDOCS 9010240307
Download: ML20065G968 (6)
v • d • e


Text

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l. PAGE 1 0F 4- i

- - .}NSTRUMENTATION -

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ACCIDENT M3NITOR]NG INSTRUMENTATION LIMfTING CONDITION FOR OPERAT!ON .

~!

3.3.3,6DThe accident monitoring instrumentation channels shown in Table 3.3-10 1 shall be OPERABLE. i m

APPLICABILITY:' MODES 1, 2, and 3.

ACTION:

, .a. As shown in Table 3.3-10.

b. The provisions of. S;ecification 3.0.4 are not applicable. .,

1 SURVElll4NCE REOUIREMENTS

.4.3.3.6 Each accident monitoring instrumentation' channel'shall be demonstrated ,

OPERABLE by performance.of the CHANNEL CHECK' and CHANNEL CALIBRATION at the: .l f recuencies shown in Table 4.1-7. i E

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f' SOUTH TEXAS - UN]TS 1 & 2 3/4 3-67 >

.y 9010240307 PDR 900822 ADOCK 05000498 PDC

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l$: ? ~h -

i-y, TABLE-3.3 -

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3;;* ACCIDENT MONITORING INSTRUNDITATION -

[

m ^!

TOTAL ~ MINIMUM

.g NO.~ OF CHANNELS

, INSTRUMENT CHANNELS OPERABLE ACTION C

$ 1. Containment-Pressure 4 -

1 '38' d

g 2. Reactor Coolant. Outlet Temperature .

,. TH0T (Wide Range) .

1/ loop .1/ loop 35 m - . i

3. Reactor Coolant Inlet Temperature - _

T T ange) 1Ig 35' COLD ,

m

4. Reactor Coolant Pressure and Extended Range Wide Range 3 1 37 j 1
5. Pressurizer Water Level 4 1 43- .j E 6. Steam Line Pressure 4/ steam generator 1/ steam generator 38 i 7. Steam Generator Water Level -

Narrow Range 4/ steam generator 1/ steam generator ;381[3

! 8. Steam Generator Water Level - -

.i l wide Range: 1/ steam generator 1/ steam generator 35 (r 9. Refueling Water Storage Tank Water-Level 3 cf m

1 37- .l

! 5 10. Auxiliary Feedwater Storage Tank- g<4>

g Water Level 3 1 37 gi.h Y'

11. Auxiliary Feedwater Flow 1/ steam generator .1/ steam generator 35

. ':o  :

> t., '

-g 12. Reactor Coolant System Subcooling. w .;

Margin Monitor @ j$"

a 2 "

1 36 te c~

~

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[*, .h *f ' .

17

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- ~

7

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. TABLE 3.3-10 (Continued). _

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e.

s' ACCIDENT MONITORING INSTRUNENTATION h TOTAL MINIMUM c- No. of cunanEls -.

. INSTRtMENT ,

CHANNELS OPERABLE' ACTION C

5. 13. Containment Water level

,7 (Narrnw Ranry-) 7 1- 36 l -

14 Contaieument Water tevet (wide Naewp-) ' J -1 ,

3r-

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15. Core Exit Thermocouples 4 tk. C g les/ core quadrant

-42 E (i

16. Steam Line Radiation Monitor- 1/ steam line 1/ steam line 40. j

$ 17. . Containment - Nigh Range Radiation Monitor D w 2 1 39 G

18. - Reactor Vessel Water level (RWL) 1* M-

- 2*

41 %

19. Neutron Flum (Extended Range) '~2 1 36
20. Containment Nydrogen Concentration 2 l' --

36

21. Containment Pressure (Extended Range) 2 1 36
22. Steam Generator Slowdown Radiation -

Monitor ,

1/ blow & m line 1/blowdsun 11ne . 40 g _B

, 23. Neutron Flux - Startup Rate .. $-i-(Extended Range) 2 1 36 1

4

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  • A channel'is'eight sensors.in a. probe..'A channel is OPERA 8tE if fewe or more sensors, one er nore :m in the opper section and three or more'in the lower section, are OPERABLE.- - "
    • A total-of 50 thermocouples are provided with 25.thermocouples on~each'of two trains. Quodrants O and D have 6 thermocouples per train each. Quadrants A and C each have 6 thermocouples on one train and 7 thermocouples on the other train. .No ACTION-is requi. red asilong as each quadrant has 4 p'

thermocoopies per train OPERABLE.-

.._ . _ , . . ..... .. .. -.. . . . , _ _ _ , _ __ _ r .. . . , . . . . ...._.,m.,.m, , m, _ .. ,._,._g, , . , _ _ _ , _ , _ ,

,=N6 C M N S .i

' ~

TABLE 3.3-30-(Continued); " j 5 jj[NT't

~

ACTION STATEMENTS

. OT HL AE AW4 1 PME-4 0F E !I'  ;

! ACTION With the number of OPERABLE channels less than the Minimum .

Channels Operable requirement,< restore at least one inoperabJe :l channel to OPERABLE status within 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br />, or be in at least:

HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.

~ ACTION 36 - a. With the number of OPERABLE channels one less than the Total Number of Channels' requirements, restore ~one inoperable channel to OPERABLE status within 7 days.: or be _in at least HOT SHUTDOWN m within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />,

b. With the number of OPERABLE channels less than the Minimum -

Channels Operable requirements', restore at least one inoperable; [

channel to OPERABLE status within 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br />, or be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.

ACT10N 3T - a. With the number of OPERABLE channels one less than-the Total-Number of Channels requirements, restore-the inoperable channel' to' 0PERABLE status within 31 days, or be in at least HOT SHUTDOWN within~the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.

b. With the number of OPERABLE channels two less than the: Total Number of Channels requirement, restore at least:one inoperabie channel to- OPERABLE statu's within _7 days, or be in at least HOT SHUTOOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.
c. With~ the number of OPERABLE channels less than the Minimu'm Channels Operable. requirement, restore at least one inoperab' e- 4 channel to OPERABLE status 'within 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> or be in at least -

HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />. ,

. ACTION 38 '- a. With the: number of OPERABLE channels one less than. the Total-

Num';er of Chan_nels requirements,.' restore'the-inoperable channel to OPERABLE status within-90 days, or-be in at least HOT St.UTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.

b. With the number of OPERABLE channels two less than the Total' ,

fumber of Channels requirements, ~ restore the inoperable channel 3 to OPERABLE status;within 31 days, or be in at least' HOT SHUT 00WN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.

j_

c. With the number of OPERABLE channels three less than the Total (

Number of Channels requirement, restore at least one inoperable channel to OPERABLE status within-7 ~ days.-or be in at least HOT  :

, SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />. 'I

d. With the number of OPERABLE channels less than the Minimum Channels Operable requirement, restore at least one inoperable channel to OPERABLE status within 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> or be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />. '

SOUTH TEXA5 - UNITS 1 & 2 3/4 3-70 s

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. TABLE'3.3-10 (Continued)

H..R  !-TTACHMENT !L ACTION STATEMENTS (Continued) ST HL AE-WW CAGE T OF 0 Ij ACTION 39 - a.= With the number of OPERABLE. channels one less'than the-Total Number of Channels requirements, restore one. inoperable channel to OPERABLE. status within 7 days, or be in at least HOT C F

SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.

4

b. With the number of OPERABLE channels less than the Minimum .i Channels Operable requirements', restore at least one inoperable. 4 channel to OPERABLE stttus within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />, or be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.

ACTION 40 - With the number of-OPERABLE channels.less than the Minimum ,

Channels Operable-requirements,-restore at least one. inoperable

,' channel-to OPERABLE status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />,~or be in at least HOT SHUTDOWN within the r. ext 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />. y l '

ACTION 41 'a'..With the' number of-OPERABLE channels-one less than the Requi. red-

! Number of Channels, either restore the system to OPERABLE i status Within 7 days if. repairs are feasible without shutting oown or: prepare and subm.it a Special Report to the Commission.

pursuant .to Spe'cification 6.-9.2 within 30 days following the event outlining the action taken, the cause of the inoperability a' 1 and the plans and schedule for restoring the-~ system to OPERABLE' 3 status.  :

i

b. With the number of OPERABLE Channels one less than the Minimum Channels OPERABLE"in Table 3.3-10' either restore the inoperable;

, g W channel (s) to OPERABLE status >within 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> if repairs are feasible without shutting down or:

1. Initiate an alternate method of monitoring the reactor vessel inventory; q
2. Prepare and submit a Special Report.to the Commission pursuant to Specification 6.9.2-within 30 days following the event outlining the' action taken, the cause-of,the-n inoperability. and the plans and schedule for restoring -

the system to 0PERABLE status; and ios  ;

Restore the system to OPERABLE status at the'next

~

, , 3.

scheduled refueling.  !

ACT10N:42 - a. With the number of OPERABLE channels less than 4 thermocouples  ;

per quadrant per train, restore these thermocouples to OPERABLE

  • status within 31 days,-or be in at least HOT SHUTDOWN within the next 12: hours.

L ,

-b. With the number of OPERABLE channels less than 6 thermocouples per quadrant, restore these thermocousles to OPERABLE status within 7 days, or be in at least HOT 5 HUT 00WN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.

SOUTH TEXAS - UNITS 1 & 2 3/4 3-71 4

' A~TACriMENTA -!

ST HL-AE 3544 - -

7 PAGE /o 0F ' to '

- 3

. ;, TABLE 3;3-10 (Continued)

. f

-ACTION STATEHENTS (Continued) i

~

, c. With the number of OPERABLE channels less than 4 thermo- J couples per quadrant, restore these thermocouples to

, .i

OPERABLE status within 48 nours, or be in at least NOT [

i' .!

. SJfyT.DOWN within the m next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />. e<_ t

. , , - - -a --

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/-

ACTION 43 - ~ a. .With the number of OPERABLE channels two less than the' Total Number of Channels requirements,' restore the , -

' inoperable channel to OPERABLE status within 31 days, or . F L be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />., '

i

- b. With'the number of OPERABLE- channels three less than the i Total Number of Channels requirement, restore at least one >

inoperable channel to OPERABLE status within 7 days, or be  ;

-in at least HOT SHUTDOWN within the next-12 hours. ,,

1 1

c. With the number of OPERABLE channels less than the Minimum-Channels Operable requirement, restore et least one
l. inoperable channel to OPERABLE status within 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> or i be in at least HOT SHUTDOWN withu the:next'12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />. - 4 l

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D 4

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1 L- <

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lr SOUTH-TEXAS - UNITS 1 & 2 3/4 3-72 AMENDMENT NOS. 14 AND 4

- - _ _ _ _ _ _ . ._- _ . . - .. .- , ,

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