ML020670004

TS Page for Palo Verde, Units 1, 2, & 3-Issuance of Amds. 139 (Tacs. MB2955, 56, 57) on Shutdown Cooling and Coolant Circulation

ML020670004
Person / Time
Site:	Palo Verde
Issue date:	03/01/2002
From:	NRC/NRR/DLPM
To:
Shared Package
ML020660676	List: ML020670004
References
TAC MB2955, TAC MB2956, TAC MB2957
Download: ML020670004 (1)

Text

SDC and Coolant Circulation - Low Water Level 3.9.5 3.9 REFUELING OPERATIONS 3.9.5 Shutdown Cooling (SDC) and Coolant Circulation - Low Water Level LCO

3.9.5 APPLICABILITY

Two SDC loops shall be OPERABLE, and one SDC loop shall be in operation.

NOTES -----------------------------

1. The required SDC loop may be removed from operation for

• 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> per 8 hour9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> period, provided no operations are permitted that would cause reduction of the Reactor Coolant System boron concentration.

2. One required SDC loop may be inoperable for up to 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> for surveillance testing, provided the other SDC loop is OPERABLE and in operation.

MODE 6 with the water level < 23 ft above the top of reactor vessel flange.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A.

One SDC loop A.1 Initiate action to Immediately inoperable, restore SDC loop to OPERABLE status.

OR A.2 Initiate action to Immediately establish Ž 23 ft of water above the top of reactor vessel flange.

AMENDMENT NO.

147-139 PALO VERDE UNITS 1,2,3 3.9.5-1