ML062640462

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Technical Specification, Revise Surveillance Requirements for Recirculation Spray System
ML062640462
Person / Time
Site: Millstone Dominion icon.png
Issue date: 09/20/2006
From:
NRC/NRR/ADRO/DORL/LPLI-2
To:
Nerses V
Shared Package
ML062220155 List:
References
TAC MC8327
Download: ML062640462 (1)


Text

CONTAINMENT SYSTEMS RECIRCULATION SPRAY SYSTEM LIMITING CONDITION FOR OPERATION 3.6.2.2 Two independent Recirculation Spray Systems shall be OPERABLE.

APPLICABILITY: MODES 1, 2,3, and 4.

ACTION:

With one Recirculation Spray System inoperable, restore the inoperable system to OPERABLE status 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 />; restore the inoperable Recirculation Spray System to OPERABLE status within the next 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> or be 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 4.6.2.2 Each Recirculation Spray System shall be demonstrated OPERABLE:

a. At least once per 31 days by verifying that each valve (manual, power-operated, or automatic) in the flow path that is not locked, sealed, or otherwise secured in position, is in its correct position;
b. By verifying that each pump's developed head at the test flow point is greater than or equal to the required developed head when tested pursuant to Specification 4.0.5;
c. At least once per 24 months by verifying that on a CDA test signal, each recirculation spray pump starts automatically after receipt of an RWST Low-Low signal; I
d. At least once per 24 months, by verifying that each automatic valve in the flow path actuates to its correct position on a CDA test signal; and
e. By verifying each spray nozzle is unobstructed following maintenance that could cause nozzle blockage.

MILLSTONE - UNIT 3 3/4 6-13 Amendment No. M0, 4-00, 4-2-, 4---5,

--74 2-06, 22-2, 233