Text

Proposed Tech Specs Re Steam Generator Level,Narrow Range Instrumentation
	ML20065G968
Person / Time
Site:	South Texas
Issue date:	08/22/1990
From:	; HOUSTON LIGHTING & POWER CO.
To:	;
Shared Package
ML20065G965	List: ML20065G968; ST-HL-AE-3544, Application for Amends to Licenses NPF-76 & NPF-80,changing Tech Spec 3.3.3.6 Re Action to Be Taken in Event of One of Four Steam Generator Level,Narrow Range post-accident Monitoring Channels Inoperable;
References
	NUDOCS 9010240307
	Download: ML20065G968 (6)
	v • d • e

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.}NSTRUMENTATION

l. PAGE 1 0F 4-i 4;,

e l7 ACCIDENT M3NITOR]NG INSTRUMENTATION L;

LIMfTING CONDITION FOR OPERAT!ON

~!

3.3.3,6DThe accident monitoring instrumentation channels shown in Table 3.3-10 1

shall be OPERABLE.

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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.

SURVElll4NCE REOUIREMENTS 1

.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.

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f' SOUTH TEXAS - UN]TS 1 & 2 3/4 3-67 9010240307 900822

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i-TABLE-3.3 y, g

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ACCIDENT MONITORING INSTRUNDITATION

[

m TOTAL ~

MINIMUM

^!

.g NO.~ OF CHANNELS INSTRUMENT CHANNELS OPERABLE ACTION C$

1.

Containment-Pressure 4

1

'38' d

2.

Reactor Coolant. Outlet Temperature g

TH0T (Wide Range) 1/ loop

.1/ loop 35 m

i 3.

Reactor Coolant Inlet Temperature -

l T

T ange) 1Ig 35' COLD 4.

Reactor Coolant Pressure Wide Range 3

1 37 j

and Extended Range t

m1 5.

Pressurizer Water Level 4

1 43-

.j E

6.

Steam Line Pressure 4/ steam generator 1/ steam generator 38 I

t 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-cf Level 3

1 37-

.l m

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

g Water Level 3

1 37 gi.h j

Y'

':o 11.

Auxiliary Feedwater Flow 1/ steam generator

.1/ steam generator 35 t., '

@ j$"

-g 12.

Reactor Coolant System Subcooling.

w Margin Monitor 2

1 36 a

te l

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f 17

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TABLE 3.3-10 (Continued).

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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-

~

15.

Core Exit Thermocouples 4 tk. C g les/ core

-42 E

quadrant (i

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

j

$ 17.. Containment - Nigh Range Radiation Monitor 2

1 39 D

w G

18. - Reactor Vessel Water level (RWL)

- 2*

1*

41 %

M-

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 g _B "

Monitor 1/ blow & m line 1/blowdsun 11ne

. 40

23. Neutron Flux - Startup Rate

.. $-i-(Extended Range) 2 1

36

-C 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.-

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...._.,m.,.m, m,

,._,._g,

,=N6 C M N S

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TABLE 3.3-30-(Continued);

" j 5 jj[NT't ACTION STATEMENTS

. OT HL AE AW4

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1 PME-4 0F E

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! 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 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months , or be in at least:

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

~ 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 0.00333 hours 1.984127e-5 weeks 4.566e-6 months ,

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 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months , or be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months .

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 0.00333 hours 1.984127e-5 weeks 4.566e-6 months .

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 0.00333 hours 1.984127e-5 weeks 4.566e-6 months .

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 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months or be in at least -

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

. 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 0.00333 hours 1.984127e-5 weeks 4.566e-6 months .

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 0.00333 hours 1.984127e-5 weeks 4.566e-6 months .

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 0.00333 hours 1.984127e-5 weeks 4.566e-6 months .

'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 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months or be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months .

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

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5-N C, - (. f4 A r4G C W

{

. TABLE'3.3-10 (Continued)

H..

!-TTACHMENT !L ACTION STATEMENTS (Continued)

ST HL AE-WW R

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

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

F 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 0.02 hours 1.190476e-4 weeks 2.7396e-5 months , or be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months .

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

Channels Operable-requirements,-restore at least one. inoperable channel-to OPERABLE status within 72 hours8.333333e-4 days 0.02 hours 1.190476e-4 weeks 2.7396e-5 months ,~or be in at least HOT SHUTDOWN within the r. ext 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months .

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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 a'

event outlining the action taken, the cause of the inoperability 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 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months 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-inoperability. and the plans and schedule for restoring n*

the system to 0PERABLE status; and ios 3.

Restore the system to OPERABLE status at the'next

~

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 0.00333 hours 1.984127e-5 weeks 4.566e-6 months .

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

~

With the number of OPERABLE channels less than 4 thermo-J c.

couples per quadrant, restore these thermocouples to

[

,.i OPERABLE status within 48 nours, or be in at least NOT i'

S. JfyT.DOWN within the next 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months .

e<_

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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 0.00333 hours 1.984127e-5 weeks 4.566e-6 months .,

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-l.

Channels Operable requirement, restore et least one inoperable channel to OPERABLE status within 48 hours5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months or i

be in at least HOT SHUTDOWN withu the:next'12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months . -

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

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ML20065G968

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