ML20126B063

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Proposed TS 3/4.4.4, Chemistry, Re Performance of Engineering Evaluation to Determine Effects of out-of-limit Condition on Structural Integrity of RCS
ML20126B063
Person / Time
Site: Clinton Constellation icon.png
Issue date: 12/15/1992
From:
ILLINOIS POWER CO.
To:
Shared Package
ML20126B055 List:
References
NUDOCS 9212210364
Download: ML20126B063 (3)
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Text

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PJACTOR_ C00LNiT SYSTEM tS-92-017 3/4.4.4 CHEMISTRY LIMITING C0tt0lTIOH FOR OPERATION 3.4.4 The chemistry of the reactor coolant system shall be maintained within the limits specified in Table 3.4.4-1.

APPLICABILITY: At all times.

ACTION:

a. In OPERATIONAL CONDITION 1:

1.

With the conductivity, chloride concentration or pH exceeding the limit specified in Table 3.4.4-1 for less than 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> during cne continuous time interval and, for conductivity and chloride concen-tration, for less than 336 hours0.00389 days <br />0.0933 hours <br />5.555556e-4 weeks <br />1.27848e-4 months <br /> per year, but with the conductivity less than 10 pmho/cm at 25"C and with the chlorid;. .oncentration less than 0.5 ppm, this need not be reported to the Co:nmission and the provisions of Specification 3.0,4 are not applicable.

2.

With the conductivity, chloride concentration or pH exceeding the limit specified in Table 3.4.4-1 for enore than 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> during one continuous time interval or with the conductivity and chloride concentration exceedir more than 336 hours0.00389 days <br />0.0933 hours <br />5.555556e-4 weeks <br />1.27848e-4 months <br /> pe}g thebe r year, limit specified in at in Table 3.4.4-1 least STARTUP for'next within the 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />, 3.

With'the conductivity exceeding 10 pmho/cm at 25 C or chloride concentration exceeding 0.5 ppm, be in at least HOT SHUT 00VN within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SHUTDOMI within the next 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

b.

In OPERATIONAL CONDITION 2 and 3 with the conductivity, chloride concen-tration or pH exceeding the limit specified in Table 3.4.4-1 for more than 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> during one continuous time interval, be in at least HOT SHUT 00ml within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SHUT 00VN within the following 24 hou-s.

c. At all other times:
1. With tia:

a) Conductivity or pH exceeding the limit specified in Table 3.4.4-1, restore the conductivity and pH to within the limit within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />, or b) Chloride concentration exceeding the limit specified in Table 3.4.4-1, restore the chloride concentration to within the limit within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, or perform an engineering evaluation to determine the effects of the out of-limit condition on the structural integrity of the reactor coolant system. Determine that the structural integrity of the r'eactor coolant systerr remains acceptable for continued operation prior to proceeding to OPERATIONAL C0hDIlION 3.

2. The provisions of Specification 3.0.3 are not applicable.

GE-STS (BWR/6) 3/4 4-11 9212210364 921215 PDR ADOCK 05000461 p PDR

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3/4.4.4 CHEMISTRY i

1 LIMITING CONDITION FOR OPERATION 3.4.4 The chemistiy of the reactor coolant-system shall be maintair9d within the limits specified in Table 3.4.4-1.

APPLICABILITY: At all times.

ACTION:

a. In OPEP.ATIONAL CONDITION 1:
1. With the conductivity, chloride concentration, or pH exceeding the limit specified in Table 3.4.4-1 for less than 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> during one continuous time interval and, for conductivity and chloride concen-t tration, for less than 336 hours0.00389 days <br />0.0933 hours <br />5.555556e-4 weeks <br />1.27848e-4 months <br /> per year, but with the conductivity less than 10 pmho/cm at 25*C and with the chloride concentration less than 0.5 ppm, this need not be reported to the Commission and the provisions of Specification 3.0.4 are not applicabic.
2. With the conductivity, chloride concentration, or pH exceeding the limit specified in Table 3.4.4-1 for more than.72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> during one continuous time interval or with the conductivity and chloride concen-tration exceeding the limit specified in Table 3.4.4-1, for more than 336 hours0.00389 days <br />0.0933 hours <br />5.555556e-4 weeks <br />1.27848e-4 months <br /> per year, be in et least STARTUP within the~ next 6' tours.
3. With the conductivity exceeding 10 pmho/cm at 25*C or chloride con-centration exceeding 0.5 ppm, be in at least HOT SHUT 00WN within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in C0t0 SHUTDOWN within the next 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />. .
b. In OPERATIONAL CONDITIONS 2 and 3 with the conductivity, chloride concen-

- tration or pH exceeding the limit specified in Table 3.4.4-1 for more than-48 hours during one continuous time interval.-be in at least HOT Sh0T00WN l

within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SHUTDOWN within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

c. At all other times:
1. ~With the:
a. Conductivity or pH exceeding tha limit specified in Table 3.4.4-1, L restore the conductivity and pri to within the limit within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> cy'
b. Chloride concentration exceeding the limit specified in Table 3.4.4-1 restc,re the ch1_oriduencentration_ to within the_ _

li A it_within 24_ hours ogperform an engineering ev'aluation to j Rielermine the eff7e ts of the ou .-of-limit condition on the structural integrity of the reacts coolant system. Determine I

that the structural-integrity of'the reactor coolant system f"

g.J remains acceptable for continued ' operation prior to proceeding b

[ o - r - e - =- A h g OPERATIONAL' CONDITION 3 g c-CLINTON - UNIT .3/4 4-16

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LS-92-ol7

, REACTOR COOLANT SYSTEM CHEMISTRY llHITING CONDITION FOR OPERATION (Continued) 3.4.4 ACTION (Continued):

2. The provisions of~ Specification 3.0.3 are not applicable.

SURVEILLANCE REQUIREMENTS 4.4.4 The reactor coolant shall be determined to be within the specified chemistry limit by: __

a. Measurement prior to pressurizing the reactor during each startup, if not performed within the previous 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />,
b. Analyzing a sample of the reactor coolant for:
1. Chlorides at least once per:

a) 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />, and b) 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> whenever conductivity is greater than the limit in Table 3.4.4-1.

2. Conduc.tivity at least once per 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />.
3. pH at least cnce per:

a) 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />, and b) 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> whenever conductivity is greater than the limit in Table 3.4.4-1. -

c. Continuously recording the conductivity of the reactor coolant, or, when the continuous recording conductivity monitor is inoperable, obtaining an in-line conductivi'.y measurement at least unce per:
1. 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> in OPERATIONAL CONDITIONS 1, 2, and 3, and
2. 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> at all other times.
d. Performance of a CHANNEL CHECK of the continuous conductivity monitor with an in-line flow cell at least once per:
1. 7 days, and
2. 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> whenever conductivity is greater than the limit in Table 3.4.4-1.

CLlHTON - UNIT 1 '4 4-17 l

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