ML20055E661
| ML20055E661 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 07/09/1990 |
| From: | Office of Nuclear Reactor Regulation |
| To: | |
| Shared Package | |
| ML20055E662 | List: |
| References | |
| NUDOCS 9007120199 | |
| Download: ML20055E661 (2) | |
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REACTIVITY CONTROL SYSTEMS REGULATING ROD INSERTION LIMITS LIMITING CONDITION FOR'0PERATION
-3.1. 3. 6 The regulating rod groups shall be positioned within the acceptable.
operating limits for regulating rod position specified in.the CORE OPERATING.
LIMITS REPORT.
APPLICABILITY:
MODES la and 2*#.
ACTION:
- With the regulating rod groups a.
nserted in the unacceptable operation region, immediately initiate and continue boration at greater than or equal to 10 GPM of 11,600 PPM boric acid solution or its equivalent, until out of the unacceptable operaticn region.
Additionally, either:
1.
Restore the regulating groups to within the acceptable operating limits specified in the CORE OPERATING; LIMITS REPORT within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> of exceeding the acceptable operation region, or 2.
Reduce THERMAL POWER to less than or equal to that fraction of RATED THERMAL POWER which is allowed by the. rod group position limits specified in the CORE OPERATING LIMITS REPORT within
'2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> of exceeding the acceptable operation region, or 3.
Be in at least HOT STANDBY within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> of exceeding the acceptable operation region.
b.
With the regulating rod groups inserted in the restricted operation 4
region or with any group sequence or overlap outside the acceptable operating limits specified.in the CORE OPERATING LIMITS REPORT, except for surveillance testing pursuant to -Specification 4.1.3.1.2, either:
1.
Restore the regulating groups to within the acceptable operating limits specified in the CORE-0PERATING LIMITS REPORT within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> of exceeding the acce,ptable operation region, or l
i 2.
Reduce. THERMAL POWER to less than or equal to that fraction of RATED THERMAL POWER which is allowed by the rod group position 1
limits specified in the CORE OPERATING LIMITS REPORT within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> of exceeding the acceptable operation region, or s
3.
Be in at least HOT STANDBY within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> ofLexceeding the acceptable operation region.
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- See Special-Test Exceptions 3.10.1 and 3.10.2.
- With Keff greater than or equal to 1.0.
CRYSTAL RIVER - UNIT 3 3/4 1-25 Amendment No. 46,64,77,I03 125 9007120199 900709 PDR ADOCK 03000302 p
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REACTIVITY CONTROL' SYSTEMS
_ REGULATING ROD INSERTION LIMITS i
f.
SURVEILLANCE REQUIREMENTS
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4.1.3.6L The position of each regulating group snall be determined to be
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within the acceptable operating limits specified in the CORE OPERAT.ING LIMITS REPORT at least once every 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> except when:
'l The regulating, rod insertion limit alarm is ' inoperable, then~
a.
verify the groups to be within the insertion limits at-least once per 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />; b.
The control rod drive sequence alarm is inoperable, then verify the groups to~be within the sequence and overlap limits at least once per 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />, i
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J CRYSTAL RIVER - UNIT 3 3/4 1-26 Amendment No. 125