ML20148P295
| ML20148P295 | |
| Person / Time | |
|---|---|
| Site: | Palo Verde  |
| Issue date: | 01/15/1988 |
| From: | NRC |
| To: | |
| Shared Package | |
| ML20148P300 | List: |
| References | |
| NUDOCS 8804110105 | |
| Download: ML20148P295 (4) | |
Text
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3/4.10 SPECIAL TEST EXCEPTIONS C
3/4.10.1 SHUTDOWN MARGIN LIMITING CONDITION FOR OPERATION 3.10.1 The SHUTDOWN MARGIN requirement of Specification 3.1.1.1 may be suspended for measurement of CEA worth and shutdown margin provided reactivity equivalent to at least the highest estimated CEA worth is available for trip insertion from OPERABLE CEA(s), or the reactor is subtritical by at least the reactivity equivalent of the highest CEA worth.
APPLICABILITY: MODES 2, 3* and 4*#.
ACTION:
With any full-lengtn CEA not fully inserted and with less than the a.
above reactivity equivalent available for trip insertion, immedi-ately initiate and continue boration at greater than or equal to 40 gpm of a solution containing greater than or equal to 4000 ppm boron or its equivalent until the SHUTDOWN MARGIN required by Specification 3.1.1.1 is restored.
b.
With all full-length CEAs fully inserted and the reactor subtritical by less than the above reactivity equivalent, immediately initia'.e and continue boration at greater than or equal to 40 gpm of a solution containing greater than or equal to 4000 ppm boron or its equivalent i
until the SHUTDOWN MARGIN required by Specification 3.1.1.1 is restored.
I SURVEILLANCE REQUIREMENTS I
I 4.10.1.1 The position of each full-length and part-length CEA required either partially or fully withdrawn shall be determined at least once per 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br />.
4.10.1.2 Each CEA not fully inserted shall be demonstrated capable of full I
insertion when tripped from at least the 50% withdrawn position within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />
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prior to reducing the SHUT 00WN MARGIN to less than the limits of Specification 3.1.1.1.
4.10.1.5 When in MODE 3 or MODE 4, the reactor shall be determined to be
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suberitical by at least the reactivity equivalent of the highest estimated CEA worth or the reactivity equivalent of the highest estimated CEA worth is avail-i able for trip insertion from OPERABLE CEAs at least once per 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> by con-i sideration of at least the following factors:
j Reactor Coolant System boron concentration, a.
b.
CEA position, Reactor Coolant System average temperature, c.
d.
Fuel burnup based on gross thermal energy generation, e.
Xenon concentration, and f.
Samarium concentration.
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Operation in MODE 3 and MODE 4 shall be limited to 6 consecutive hours.
Limited to low power PHYSICS TESTING at the 320*F plateau.
PALO VERDE - UNIT 1 3/4 10-1
Revised 1/15/88, l
SPECIAL TEST EXCEPTIONS 3/4.10.2 MODERATOR TEMPERATURE COEFFICIENT, GROUP HEIGHT, INSERTION, AND POWER DISTRIBUTION LIMITS LIMITING CONDITION FOR OPERATION 3.10.2 The moderator temperature coef ficient, group height, insertion, and power distribution limits of Specifications 3.1.1.3, 3.1.3.1, 3.1.3.5, 3.1.3.6, 3.1.3.7, 3.2.2, 3.2.3, 3.2.7, and the Minimum Channels OPERABLE I
requirement of I.C.1 (CEA Calculators) of Table 3.3-1 may be suspended during the performance of PHYSICS TESTS provided:
The THERMAL POWER is re.c?ricted to the test power plateau a.
which shall not exceed 85% of RATED THERMAL POWER, and b.
The limits of Specification 3.2.1 are maintained and determined as specified in Specification 4.10.2.2 below.
APPLICABILITY:
MODES 1 and 2.
ACTION:
s With any of the linits of Specification 3.2.1 being exceeded while the requirements of Speri'ications 3.1.1.3, 3.1.3.1, 3.1.3.5, S.1.3.6, 3.1.3.7, (CEA Calculators) of Table 3.3-1 are suspended, either:and the Minimum Channels O l
3.2.2, 3.2.3, 3.2.7, Reduce THERMAL POWER sufficiently to satisfy the requirements a.
of Specification 3.2.1, or b.
Be in HOT STANDBY within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.
SURVEILLANCE REQUIREMENTS 4.10.2.1 PHYSICS TESTS in which the requirements of SpecificationsThe THERMAL 3.1.1.3, 3.1.3.1, 3.1.3.5, 3.1.3.6, 3.1.3.7, 3.2.2, 3.2.3, 3.2.7, or the Minimum Channels OPERABLE requirement of I.C.1 (CEA Calculators) of Table 3.3-1 are suspended and shall be l
verified to be within the test power plateau.
4.10.2.2 The linear heat rate shall be determined to be within the limits of Specification 3.2.1 by monitoring it continuously with the Incore Detector Monitoring System pursuant to the requirements of Specifications 4.2.1.3 and 3.3.3.2 during PHYSICS TESTS above 20% Of RATED THERMAL POWER in which the requirements of Specifications 3.1.1.3, 3.1.3.1, 3.1.3.5, 3.1.3.6, 3.1.3.7, l
3.2.2, 3.2.3, 3.2.7, (CEA Calculators) of Table 3.3-1 are suspended.or the Minimum Channels OPERABLE re l
PALO VERDE - UNIT 1 3/4 10-2 l
AMENDMENT NO. 24
l SPECIAL TEST EXCEPTIONS
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3/4.10.3 REACTOR COOLANT LOOPS LIMITING CONDITION FOR OPERATION 3.10.3 The limitations of Specification 3.4.1.1 and noted requirements of Tables 2.2-1 and 3.3-1 may be suspended during the performance of startup PHYSICS TESTS, provided:
The THERMAL POWER does not exceed 5% of RATED THERMAL POWER, and a.
b.
The reactor trip setpoints of the OPERABLE power level channels are j
set at less than or equal to 20% of RATED THERMAL POWER.
Both reactor coolant loops and at least one reactor coolant pump in c.
each loop are in operation.
APPLICABILITY:
During startup PHYSICS TESTS.
ACTION:
With the THERMAL POWER greater than 5% of RATED THERMAL POWER or with less than the above required reactor coolant loops in operation and circulating reactor i
coolant, immediately trip the reactor.
SURVEILLANCE REQUIREMENTS 4.10.3.1 The THERMAL POWER shall be determined to be less than or equal to 5%
of RATED THERMAL POWER at least once per hour during startup PHYSICS TESTS.
4.10.3.2 Each logarithmic and variable overpower level neutron flux monitoring channel shall be subjected to a CHANNEL FUNCTIONAL TEST within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> prior to initiating startup PHYSICS TESTS.
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4.10.3.3 The above required reactor coolant loops shall be verified to be in operation and circulating reactor coolant at least once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.
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PALO VERDE - UNIT 1 3/4 10-3
RevisQd 1/15/88,
SPECIAL TEST EXCEPTIONS 3/4.10.4 CEA POSITION, REGULATING CEA INSERTION LIMITS AND REACTOR COOLANT COLD LEG TEMPERATURE LIMITING CONDITION FOR OPERATION 3.10.4 The requirements of Specifications 3.1.3.1, 3.1.3.6, 3.1.3.7, and 3.2.6 l
may be suspended during the performance of PHYSICS TESTS to determine the isothermal temperature coefficient, modcrator temperature coefficient, and power coefficient provided the limits of Specification 3.2.1 are maintained and determined as specified in Specification 4.10.4.2 below.
I APPLICABILITY:
MODES 1 and 2.
ACTION:
With any of the limits of Specification 3.2.1 being exceeded while the requirements of Specifications 3.1.3.1, 3.1.3.6, 3.1.3.7, and 3.2.6 are sus-l pended, either:
a.
Reduce THERMAL POWER sufficiently to satisfy the requirements of Specification 3.2.1, or b.
Be in HOT STANDBY within
~ 'urs.
SURVEILLANCE REQUIREMENTS 4.10.4.1 The THERMAL POWER shall be determined at least once per hour during PHYSICS TESTS in which the requirements of Specifications 3.1.3.1, 3.1.3.6, 3.1.3.7, and/or 3.2.6 are suspended and shall be verified to be within the test l
power plateau.
4.10.4.2 The linear heat rate shall be determined to be within the limits of Specification 3.2.1 by monitoring it continuously with the Incore Detector Monitoring System pursuant to the requirements of Specification 3.3.3.2 during PHYSICS TESTS above 20% of RATED THERMAL POWER in which the requirements of Specifications 3.1.3.1, 3.1.3.6, 3.1.3.7, and/or 3.2.6 are sustended.
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l PALO VERDE - UNIT 1 3/4 10-4 AMENDMENT NO. 24 J