ML20138H852

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Proposed Tech Specs,Submitting Rev to Original TS Change Request to Reduce Limit Specified in Section 3.1.6.3.b for Leakage Through SG Tubes of Any One Sg,Per SG Tube Insp Surveillance Requirements
ML20138H852
Person / Time
Site: Arkansas Nuclear 
Issue date: 05/02/1997
From:
ENTERGY OPERATIONS, INC.
To:
Shared Package
ML20138H850 List:
References
NUDOCS 9705070303
Download: ML20138H852 (4)
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3.1.6 Lenktgo Specification 3.1.6..

If the total reactor coolant leakage rate exceeds 10 9pm, the reactor shall be shutdown within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> of detection.

3.1.6.2 If unidentified reactor coolant leakage (exceeding normal evaporaLive lossea) exceeds 1 gym or if any reactor coelant leakage is evaluated as unsafe, the reactor shall be shut-down within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> of detectinn.

3.1.6.2.a Tf it is determined that any reactor coolant leakage exists through a non-isolable fault in a reactor coolant system strength boundary (such as the reactor vessel, piping, valve body, etc., except steam generator tubes), tne resvLot ahall be shutdown and a cooldown to the ccid shutdown condition shall be initiated within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> of detection, j

i 3.1.6.3,b If the leakage through the tubes of any one steam canarator i

equals or exceeds 500 gallons per day (0.347 gpm)*, a reactor l

shutdown shall be initiated within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> and the reactor shall be in the cold shutdown condition within the next 30 houza.

This limit has been reduced to 144 gallons per day (0.1 gpm) for the remainder of cycle 14.

3.1.6.4 Deleted 3.1.6.5 Action to evaluate the safety inplication nf reactor coolant leakage shall be initiated within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> of detection. The nature, as wall as the magnitude of the leak, shall be considered in this evaluation. The safety evaluation shall assure that the exposure of offsite personnel to radiatica is within the guidelines of 10cFR2C.

3.1.6.6 If reactor shutdown is required per specific 4Llon 3.1.C.1, 3.1.6.2, or 3.1.6.3 the reacter shall not be restarted until the leak is repsited us until the probicm is otherwise corrected.

3.1.6.7 When the zeactor is at power cperation, three reactor cool-ant leak deteer. ion systems of different operating principles shall be in operation. One of these systeam is sensitive to radioactivity and consists cf a radioactive gas detector and an air particulate activity detectos, moth cf these instru-ments may be out-of-service simultaneously for a period of no more than 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> proviaed two other maans us.

v.11mble to detect leaktge and reactor building air samples are taken and analyr.6d in Lhe labosatory at lenot ones par shif t; other-wise, he in at least Hot Standby within the r. ext 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in cold shutdown within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

3.1.6.0 Less nf reactor coolant through reactor coclant pump seals and system valves to connecting systems which Amendment No. M,4 %,4 M,H4, 27

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i MARKUP OF CURRENT ANO-1 TECHNICAL SPECIFICATTONS (FORINFORMATION ONLY) i i

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3.1.6 Lenkcge I

l Specification f

3.1.6.1 If the total reactor coolant leakage rate exceeds 10 gpm, the reactor shall be shutdown within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> of detection.

3.1.6.2 If unidentified reactor coolant leakage (exceeding normal evaporative losses) exceeds 1 gpm or if any reactor coolant leakage is evaluated as unsafe, the reactor shall be shut-down within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> of detection.

3.1.6.3.a If it is determined that any reactor coolant leakage exists through a non-isolable fault in a reactor coolant system strength boundary (such as the reactor vessel, piping, valve body, etc., except steam generator tubes), the reactor shall j

be shutdown and a cooldown to the cold shutdawn condition shall be initiated within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> of detection.

3.1.6.3.b If the leakage through the tubes of any one steam generator equals or exceeds 500 gallons per day (0.347 gpm) *, a reactor l

shutdown shall be initiated within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> and the reactor shall be in the cold shutdewn condition within the next 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

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( yhis limit has been reduced to 144 callons per day (0.1 onm1 for the r===inder of_evele 14.

f 3.1.6.4 Deleted 3.1.6.5 Action to evaluate the safety implication of reactor coolant leakage shall be initiated within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> of detection. The nature, as well as the magnitude of the leak, shall be considered in this evaluation. The safety evaluation shall assure that the exposure of offsite personnel to radiation is within the guidelines of 10CFR20.

3.1.6.6 If reactor shutdown is required per Specification 3.1.6.1, 3.1.6.2, or 3.1.6.3 the reactor shall not be restarted until the leak is repaired or until the problem is otherwise corrected.

3.1.6.7 Wb the reactor is at power operation, three reactor cool-ant leak detection systems of different operating principles shall be in operation, one of these systems is sensitive to radioactivity and consists of a radioactive gas detector and an air particulate activity detector.

noch of these instru-ments may be out-of-service simultaneously for a period of no more than 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> provided two other means are available to detect leakage and reactor building air samples are taken and analyzed in the laboratory at least once per shift; other-wise, 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 Cold shutdown within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

3.1.6.8 Loss of reactor coolant through reactor coolhnt pump seals and system valves to connecting systems which l

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4 Amendment No. M,H4,M e,M4, 27 I

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