TXX-9427, Proposed Tech Specs Re Action Statement Changes That Would Allow Testing of RPS & ESFAS W/Channel Under Test Bypass

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Proposed Tech Specs Re Action Statement Changes That Would Allow Testing of RPS & ESFAS W/Channel Under Test Bypass
ML20078R814
Person / Time
Site: Comanche Peak  Luminant icon.png
Issue date: 12/19/1994
From:
TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:
Shared Package
ML20078R812 List:
References
TXX-94274, NUDOCS 9412270268
Download: ML20078R814 (5)
v • d • e


Text

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ATTACHMENT 3 to TXX-94274 NUREG 1468 Marked Pages (pages 3/4 3 5, 3/4 3 6, 3/4 3 7, and 3/4 3 23) l I

l

'1 9412270268 941219 PDR ADOCK 05000445 p POR ,

1

~ Attachment.3 to TXX-94274 Pageil of~4 TABLE 3.3-1 (Continued)

, TABLE NOTATIONS

  • 0nly if the reactor trip breakers happen to be in the closed position and the Control Rod Drive System is capable of rod withdrawal.

%elow the P-6 (Intermediate Range Neutron Flux Interlock) Setpoint. l

  • 8elow the P-10 (Low Setpoint Power Range Neutron Flux Interlock) Setpoint.

'Above the P-7 (At Power) Setpoint

  • Deleted.

'Above the P-8 (3-loop flow permissive) Setpoint.

'Above the P-7 and below the P-8 Setpoints.

" Deleted.

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'Above the P-9 (Reactor trip on Turbine trip Interlock) Setpoint.

ACTION STATEMENTS l

ACTION 1 - With the number of OPERABLE channels one less than the Minimum i Channels OPERABLE requirement, restore the inoperable channel to OPERA 8LE 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 HOT STAND 8Y within the 4

next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.

1 ACTION 2 - With the number of OPERA 8LE channels one less than the Total Number of Channels, STARTUP and/or POWER OPERATION may proceed provided the following conditions are satisfied:

a. The inoperable channel is placed in the tripped condition within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />, g g gpQ
b. The Minimum Channel OPERABLE requirement is met; however, the inoperable channe be bypassed for surveillance test ng :' C M. 6 :::1.p per p toSpecification 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> for 4.3.1.1, and 4
c. Either, THERMAL POWER is restricted to less than or equal to 75% of RATED THERMAL POWER and the Power Range Neutron Flux Trip Setpoint is reduced to less than or equal to 85% of RATED THERMAL POWER within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />; or, the QUADRANT POWER TILT RATIO is monitored at least once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> per Specification 4.2.4.2.

I COMANCHE PEAK - UNITS 1 AND 2 3/4 3-5 Unit 1 - Amendment No. M,H,M,20 Unit 2 - Amendment No. 4,6

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/ Attachment 3 to TXX-96274'

,Page.2 of 4: TABLE 3.3-1 (Continued)

ACTION STATEMENTS (Continued)

. ACTION 3 -

With the number of channels OPERABLE one less than the Minimum Channels OPERABLE requirement and with the THERMAL POWER level:

a .- Below the P-6 (Intermediate Range Neutron Flux Interlock)

Setpoint, restore the inoperable channel to OPERABLE status prior to increasing THERMAL POWER above the P-6 Setpoint,

b. Above the P-6 (Intermediate Range Neutron Flux Interlock)

Setpoint but below 10% of RATED THERMAL POWER, restore the inoperable channel to OPERABLE status prior to increasing THERMAL POWER above 10% of RATED THERMAL POWER.

ACTION 4 - With the number of OPERABLE channels one less than the Minimum Channels OPERABLE requirement, suspend all operations involving positive reactivity changes.

ACTION 5 - With the number of OPERABLE channels one less than the Minimum l Channels OPERABLE requirement, restore the inoserable 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 within tte next hour open the reactor trip breakers and suspend all operations involving positive reactivity changes. With no channels OPERABLE complete the above actions within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />. .

ACTION 6 - With the number of OPERABLE channels one less than the Total Number of Channels, STARTUP and/or POWER OPERATION may proceed ,

provided the following conditions are satisfied:

a. The inoperable channel is placed in_the tripped condition within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />, and goy tygoNr Chanv)eT) l
b. The Minimum Channels PEPABLE requirement is met; however,

+he inoperable channe may be bypassed for up to 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> far surveillance testing ;f :th; ;;;;..;' "per Specification 4.3.1.1.

ACTION 7 - With less than the Minimum Number of Channels OPERABLE, within I hour determine by observation of the associated permissive annunciator window (s) that the interlock is in'its required state for the existing plant condition, or apply Specification 3.0.3.

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COMANCHE PEAK - UNITS 1 AND 2 3/4 3-6 Unit 1 - Amendment No. M,M,M,20 Unit 2 - Amendment No. 4,6

, Attachment 3 to.TXX-44274 Page 3 of 4

l. .

.T.AEI.J.3-1 tc tv...m ACTION STATEMENTI (Continuadi ACTION 8 - With the number of OPERA 8LE channels one less than the Minlaus Channels OPERABLE requirement, be in at least HDT STAf08Y within A hours; however, one channel may be bypassed for up to 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> for .

' surveillance testing per specification 4.3.1.1 or.saintenance, provided the other channel is 0PERA8LE.

ACTION 9 - With the number of OPERA 8LE channels one less than the Minimum Channels OPERA 8LE requirement, restore the inoperable channel to 0PERABLE status within 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> or open the reactor trip breakers within the next hour.

ACTION 10 - With the number of OPERA 8tt channels less than the Total Number of Channels, operation may continue provided the inoperable channels are placed in the tripped condition within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.

ACTION 11 - With one of the diverse trip features (underveltage er shunt trip 4

' attachment inoperable, restore it to OPERA 8LE status within 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> or) declare the breaker inoperable and applyThe ACTI breaker shall not be bypassed while one of the diverse trip fea-tures is inoperable except for the time required for perfoming maintenance to restore the breaker to OPERABLE status, during which time ACTION 8 applies.

ACTION 12 - With the number of OPERA 8LE channels one less than the Total Number of Channels, STARTUP and/or POWER OPERATION may proceed provided the following conditions are satisfied:

a. The inoperable channel is placed in the tripped condition within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />, and

,,,yg,,,channe9

b. The Minimus Channels APERABLE requirement is met; however, theinoperablechanne]1anybebypassedforupto4hoursfor surveillance testing per Specifications 4.3.1.1 er 4.2.5.4.

ACTION 13 - With the number of OPERA 8LE channels one less than the Minimum Channels OPERABLE requirement, restore the inoperable channel to OPERA 8LE status within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> or be in at least NOT STAND 8Y within the next 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />; however, one channel may be bypassed for up tc 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> for surveillance testing per Specification 4.3.1.1, provided the other channel is OPERABLE.

4 COMANCHE PEAK - UNITS 1 Ale 1 3/4 3 7 Unit 1 - Amendnent No. 13

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- Attachment'3 to TXX-94274

Pagq 4 of 4

.. TABLE 3.3-2 (Continued) 4*

ACTION STATEMENTS (Continued)

ACTION 17 - With the number of OPERABLE channels one less than the Total Number of Channels, operation may proceed provided the following conditions are satisfied:

a. The inoperable channel is placed in the tripped condition within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />. and -

Ke, inoperable,,, C howel or anoi'htQ

b. The Minimum Channels OPERABLE requirement is met; however, n::: :dditt::: ? channel may be bypassed for up to 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> for surveillance testing of other chan.nels per Specifica-tion 4.3.2.1.

ACTION 18 - With less than the Minimus Number of Channels OPERABLE, within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> determine by observation of the associated permissive annunciator window (s) that the interlock is in its required state for the existing plant condition, or apply Specification 3.0.3.

ACTION 19 - With the number of OPERABLE channels one less than the Minimum Channels OPERABLE requirement, restore the inoperable channel to i OPERA 8LE status within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> or be in at least HOT STANOBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and HOT SHUTDOWN within.the following'6

, hours; however, one channel may be bypassed for up to 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> for surveillance testing per Specification 4.3.2.1 provided the other channel is OPERA 8LE.

i ACTION 20 - With the number of OPERA 8LE channels one less than the Total Number of Channels, restore the inoperable channel to OPERABLE l 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 STAND 8Y within l 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in at least 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 />.

ACTION 21 - With the number of OPERABLE channels one less than the Total i

Number of Channels, restore the inoperable channel to OPERABLE l status within 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> or declare the associated valve inoperable 4 and take the ACTION required by Specification 3.7.1.5.

ACTION 22 - With the number of OPERA 8tE channels one less than the Minimum l j Channels OPERA 8LE requirement, restore the inoperable channel to '

i OPERA 8LE status within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> or be in at least HOT STANDBY i within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />; however, one channel may be bypassed for

up to 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> for surveillance testing per Specification 4.3.2.1 provided the other channel is OPERABLE.

J ACTION 23 - a. With the number of OPERA 8LE channels one less than the Total Number of Channels, operation may proceed provided the inoperable channel is placed in the tripped condition within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />, and the Minimum Channels OPERABLE requirement is met.

1 COMANCHE PEAK - UNITS 1 AND 2 3/4 3-23 Unit 1 - Amendment No. 13, 14

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