ML033370931

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Tech Spec for Amendment No. 279 Dated December 1, 2003
ML033370931
Person / Time
Site: Sequoyah Tennessee Valley Authority icon.png
Issue date: 12/01/2003
From:
NRC/NRR/DLPM
To:
References
TAC MB8000, TAC MB8001
Download: ML033370931 (2)


Text

3/4.5 EMERGENCY CORE COOLING SYSTEMS 3/4.5.1 ACCUMULATORS COLD LEG INJECTION ACCUMULATORS LIMITING CONDITION FOR OPERATION 3.5.1.1 Each cold leg injection accumulator shall be OPERABLE with:

a. The isolation valve open,
b. A contained borated water volume of between 7615 and 7960 gallons of borated water,
c. A boron concentration in accordance with the requirements below, I Number of TPBARs# Minimum Boron Maximum Boron 0 2400 ppm 3800 ppm 1-250 2700 ppm 3800 ppm 251-500 2900 ppm 3800 ppm 501-1000 3200 ppm 3800 ppm 1001-2256 3500 ppm 3800 ppm
d. A nitrogen cover-pressure of between 624 and 668 psig, and
e. Power removed from isolation valve when RCS pressure is above 2000 psig.

APPLICABILITY: MODES 1, 2 and 3.*

ACTION:

a. With one cold leg injection accumulator inoperable, except as a result of boron concentration not within limits, restore the inoperable accumulator to OPERABLE statys within one hour or 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 reduce pressurizer pressure to 1000 psig or less within the following 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.
b. With one cold leg injection accumulator inoperable due to the boron concentration not within limits, restore boron concentration to within limits within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> or 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 reduce pressurizer pressure to 1000 psig or less within the following 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.
  • Pressurizer pressure above 1000 psig.
  1. The number of TPBARs in the reactor core is contained in the COLR for each fuel cycle. I SEQUOYAH - UNIT 2 3/4 5-1 Amendment No. 113, 131, 133, 141, 184, 253,269, 279

EMERGENCY CORE COOLING SYSTEMS 3/4.5.5 REFUELING WATER STORAGE TANK LIMITING CONDITION FOR OPERATION 3.5.5 The refueling water storage tank (RWST) shall be OPERABLE with:

a. A contained borated water volume of between 370,000 and 375,000 gallons,
b. A boron concentration in accordance with the requirements below, Number of TPBARs# Minimum Boron Maximum Boron 0 2500 ppm 3800 ppm 1-250 2800 ppm 3800 ppm 251-500 3000 ppm 3800 ppm 501-1000 3300 ppm 3800 ppm 1001-2256 3600 ppm 3800 ppm
c. A minimum solution temperature of 600 F, and
d. A maximum solution temperature of 105 0F.

APPLICABILITY: MODES 1, 2, 3 and 4.

ACTION:

With the RWST inoperable, restore the tank to OPERABLE status within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> or 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 /> 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 />.

SURVEILLANCE REQUIREMENTS 4.5.5 The RWST shall be demonstrated OPERABLE:

a. At least once per 7 days by
1. Verifying the contained borated water volume in the tank, and
2. Verifying the boron concentration of the water.
b. At least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> by verifying the RWST temperature.

The number of TPBARs in the reactor core is contained in the COLR for each fuel cycle.

SEQUOYAH - UNIT 2 3/4 5-11 Amendment No. 131, 269, 279