ML20245H575
| ML20245H575 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 08/10/1989 |
| From: | TENNESSEE VALLEY AUTHORITY |
| To: | |
| Shared Package | |
| ML20245H574 | List: |
| References | |
| NUDOCS 8908170182 | |
| Download: ML20245H575 (4) | |
Text
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t' ENCLOSURE i
PROPOSED TECHNICAL SPECIFICATION CHANGE SEQUOYAH' NUCLEAR PLANT UNITS 1 AND 2 DOCKET NOS. 50-327 AND 50-328 (TVA-SQN-TS-89-37) 9' 1
LIST OF AFFECTED PAGES Unit i 3/4 5-1 Unit 2 3/4 5-1 l
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N 3/4.5 EMERGENCY CORE COOLING SYSTEMS "3/4.Sli ACCUMULATOR 5
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"C01.0 LEG ' INJECTION ACCUMULATORS
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LIMITING CONDITION FOR OPERATION
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3.5.1.1 Each cold leg injection accumulator shall be OPERABLE with:
a.
The isolation valve open,.
b.
A contained borated water volume of between 7557 and 8071 gallons of borated water, m
c.
Between 1900 and 2100 ppm of boron, and f..
d.
A nitrogen cover pressure of between 385 and 447 psig.
APPLICABILITY: MODES 1, 2 and 3."
ACTION:
s a,
With one cold leg injection accumulator inoperable, except as a result of a closed isolation valve, restore the inocerable accumulator to OPEEABLE status within one hour or be in at least HOT STANDBY within the riext 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in HOT 5.'UTCOWN within the.
- following 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.
b.
With one cold leg injection accumulator incperable due to the ggg fydr
. isolation valve being closed, either immediately open the isolation M/?Md M g valve or be in HOT STANDBY within one hour and be in HOT SHUTDOWN gyzijnGHA fg' within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.
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$ SURVEILLANCE REQUIREMENTS M'
4.5.1.1.1 Each cold leg injection accumulator shall be demonstrated OPERABLE:
a.
At least once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> by:
9 I
1.
Verifying, by the absence of alarms or by measurement of levels and pressures, the contained borated water volume and nitrogen cover pressure in the tanks, and 2.
Verifying that each cold leg injection accumulator isolation valve is open.
)
^ Pressurizer pressure above 1000 psig.
SEQUOYAH - UNIT 2 3/4 5-1 b*l*CDMA c. Aab d W.Ca GWecr uam pW /M?N2-r of ""Cf E-psou rw aarra. eycur 4 kna.cm se.<rsas.
20*d 9ETL Er8 ST9 DIl 311S WIG 3115 tCS 95:ri 686T/0T/80 l
3/4.5' ' EMERGENCY CORE COOLING
- SYSTEMS (ECCS) 3/4.5.1"' ACCUMULATORS' My, _
COLD LEG INJECTION ACCUMULATORS LIMITING CONDITION FOR OPERATION
. ~. :-.. ~-~
i.. c.
3.5.1.1 Each cold leg injection accumulator shall be OPERABLE with:
a.
The isolation valve open, i
b.
A contained borated water volume of between 7857 and 8071 gallons of borated water, c.
Between 1900 and 2100 ppm of boron, and
. _ p.
g,-
d.
A nitrogen. cover pressure of between 385 and 447 psig.
APPLICABILITY: MODES 1, 2 and 3.*
ACTION:
C. i
~
With one cold leg injection accumulator inoperable, except as a result a.
of a closed isolation valve, restore the inoperable accumulator to OPERABLE status within one hour or be in at least HOT STAN0BY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in HOT SHUTDOWN within the following 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.
b.
With one cold leg injection accumulator inoperable due to the isola-g ggy,et m tion valve being closed, either immediately pen the isolation valve AM#"D 00#g or be in HOT STANDBY within one hour and be n HOT SHVTDOWN withip
. A -ls.'f the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.
N STAT 8 mNt~.s d ANo d.
..M SURVEILLANCE REQUIREMENTS
.j,A,",.,' g.
4.5.1.1.1 Each cold leg injection accumulator shall be demonstrated OPERABLE:
At least once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> by:
a.
g y
1.
Verifying, by the absence of alarms or by measurement of levels n6 1
and pressures, the contained borated water volume and nitrogen j -
cover pressure in the tanks, and 2.
Verifyin'g that each cold leg injection accumulator isolation valve is open.
" Pressurizer pressure above 1000 psig.
.g SEQUOYAH - UNIT 1 3/4 5-1 Amendment No. 12
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' Attachment-c."
With;one pressure or water level channel inoperable per.
accumul.ator, return the inoperable channel to operable status r
within 30 days or. be in at least HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in HOT SHUTDOWN within the following 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.
d."
With more' than one channel (pressure or water level) inoperable per accumulator, immediately declare the affected accumulator (s) inoperable.
a
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