ML100550464
| ML100550464 | |
| Person / Time | |
|---|---|
| Site: | Watts Bar  |
| Issue date: | 02/02/2010 |
| From: | Tennessee Valley Authority |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| Download: ML100550464 (13) | |
Text
Boron Concentration 3.9.1 Watts Bar - Unit 2 3.9-1 (developmental)
A 3.9 REFUELING OPERATIONS 3.9.1 Boron Concentration LCO 3.9.1 Boron concentrations of the Reactor Coolant System, the refueling canal, and the refueling cavity shall be maintained within the limit specified in the COLR.
APPLICABILITY:
Mode 6 ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Boron concentration not within limit.
A.1 Suspend CORE ALTERATIONS.
Immediately AND A.2 Suspend positive reactivity additions.
Immediately AND A.3 Initiate action to restore boron concentration to within limit.
Immediately SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.9.1.1 Verify boron concentration is within the limit specified in COLR.
72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />
Unborated Water Source Isolation Valves 3.9.2 Watts Bar - Unit 2 3.9-2 (developmental)
A 3.9 REFUELING OPERATIONS 3.9.2 Unborated Water Source Isolation Valves LCO 3.9.2 Each valve used to isolate unborated water sources shall be secured in the closed position.
APPLICABILITY:
Mode 6 ACTIONS
NOTE------------------------------------------------------------
Separate Condition entry is allowed for each unborated water source isolation valve.
CONDITION REQUIRED ACTION COMPLETION TIME A. --------------NOTE--------------
Required Action A.3 must be completed whenever Condition A is entered.
One or more valves not secured in closed position.
A.1 Suspend CORE ALTERATIONS.
Immediately AND A.2 Initiate action to secure valve in closed position.
Immediately AND A.3 Perform SR 3.9.1.1.
4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.9.2.1 Verify each valve that isolates unborated water sources is secured in the closed position.
31 days
Nuclear Instrumentation 3.9.3 Watts Bar - Unit 2 3.9-3 (developmental)
A 3.9 REFUELING OPERATIONS 3.9.3 Nuclear Instrumentation LCO 3.9.3 Two source range neutron flux monitors shall be OPERABLE.
APPLICABILITY:
Mode 6 ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. One required source range neutron flux monitor inoperable.
A.1 Suspend CORE ALTERATIONS.
Immediately AND A.2 Suspend positive reactivity additions.
Immediately B. Two required source range neutron flux monitors inoperable.
B.1 Initiate action to restore one source range neutron flux monitor to OPERABLE status.
Immediately AND B.2 Perform SR 3.9.1.1.
4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> AND Once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> thereafter
Nuclear Instrumentation 3.9.3 Watts Bar - Unit 2 3.9-4 (developmental)
A FREQUENCY SURVEILLANCE REQUIREMENTS SURVEILLANCE SR 3.9.3.1 Perform CHANNEL CHECK.
12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> SR 3.9.3.2
NOTE-------------------------------
Neutron detectors are excluded from CHANNEL CALIBRATION.
Perform CHANNEL CALIBRATION.
18 months
Containment Penetrations 3.9.4 Watts Bar - Unit 2 3.9-5 (developmental)
A 3.9 REFUELING OPERATIONS 3.9.4 Containment Penetrations LCO 3.9.4 The containment penetrations shall be in the following status:
- a.
The equipment hatch closed and held in place by a minimum of four bolts;
- b.
One door in each air lock closed; or capable of being closed provided ABGTS is OPERABLE in accordance with TS 3.7.12; and
- c.
Each penetration providing direct access from the containment atmosphere to the outside atmosphere either:
- 1. closed by a manual or automatic isolation valve, blind flange, or equivalent, or
- 2. capable of being closed by an OPERABLE Containment Vent Isolation System.
NOTE--------------------------------------------
Penetration flow path(s) providing direct access from the containment atmosphere to the outside atmosphere may be unisolated under administrative controls provided ABGTS is OPERABLE in accordance with TS 3.7.12.
APPLICABILITY:
During movement of irradiated fuel assemblies within containment.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. One or more containment penetrations not in required status.
A.1 Suspend movement of irradiated fuel assemblies within containment.
Immediately
Containment Penetrations 3.9.4 Watts Bar - Unit 2 3.9-6 (developmental)
A SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.9.4.1 Verify each required containment penetration is in the required status.
7 days SR 3.9.4.2 Verify each required containment vent isolation valve actuates to the isolation position on an actual or simulated actuation signal.
18 months
RHR and Coolant Circulation - High Water Level 3.9.5 Watts Bar - Unit 2 3.9-7 (developmental)
A 3.9 REFUELING OPERATIONS 3.9.5 Residual Heat Removal (RHR) and Coolant Circulation - High Water Level LCO 3.9.5 One RHR loop shall be OPERABLE and in operation.
NOTE--------------------------------------------
The required RHR 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.
APPLICABILITY:
MODE 6 with the water level 23 ft above the top of reactor vessel flange.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. RHR loop requirements not met.
A.1 Suspend operations involving a reduction in reactor coolant boron concentration.
Immediately AND A.2 Suspend loading irradiated fuel assemblies in the core.
Immediately AND A.3 Initiate action to satisfy RHR loop requirements.
Immediately AND (continued)
RHR and Coolant Circulation - High Water Level 3.9.5 Watts Bar - Unit 2 3.9-8 (developmental)
A ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. (continued)
A.4 Close all containment penetrations providing direct access from containment atmosphere to outside atmosphere.
4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.9.5.1 Verify one RHR loop is in operation and circulating reactor coolant at a flow rate of 2500 gpm.
12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />
RHR and Coolant Circulation - Low Water Level 3.9.6 Watts Bar - Unit 2 3.9-9 (developmental)
A 3.9 REFUELING OPERATIONS 3.9.6 Residual Heat Removal (RHR) and Coolant Circulation - Low Water Level LCO 3.9.6 Two RHR loops shall be OPERABLE, and one RHR loop shall be in operation.
APPLICABILITY:
MODE 6 with the water level < 23 ft above the top of reactor vessel flange.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Less than the required number of RHR loops OPERABLE.
A.1 Initiate action to restore required RHR loops to OPERABLE status.
Immediately AND A.2 Initiate action to establish 23 ft of water above the top of reactor vessel flange.
Immediately (continued)
RHR and Coolant Circulation - Low Water Level 3.9.6 Watts Bar - Unit 2 3.9-10 (developmental)
A ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME B. No RHR loop in operation.
B.1 Suspend operations involving a reduction in reactor coolant boron concentration.
Immediately AND B.2 Initiate action to restore one RHR loop to operation.
Immediately AND B.3 Close all containment penetrations providing direct access from containment atmosphere to outside atmosphere.
4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.9.6.1 Verify one RHR loop is in operation and circulating reactor coolant at a flow rate of 2000 gpm.
12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> SR 3.9.6.2 Verify correct breaker alignment and indicated power available to the required RHR pump that is not in operation.
7 days
Refueling Cavity Water Level 3.9.7 Watts Bar - Unit 2 3.9-11 (developmental)
A 3.9 REFUELING OPERATIONS 3.9.7 Refueling Cavity Water Level LCO 3.9.7 Refueling cavity water level shall be maintained 23 ft above the top of reactor vessel flange.
APPLICABILITY:
During movement of irradiated fuel assemblies within containment.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Refueling cavity water level not within limit.
A.1 Suspend movement of irradiated fuel assemblies within containment.
Immediately AND A.2 Initiate action to restore refueling cavity water level to within limit.
Immediately SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.9.7.1 Verify refueling cavity water level is 23 ft above the top of reactor vessel flange.
24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />
Reactor Building Purge Air Cleanup Units 3.9.8 Watts Bar - Unit 2 3.9-12 (developmental)
A 3.9 REFUELING OPERATIONS 3.9.8 Reactor Building Purge Air Cleanup Units LCO 3.9.8 Two Reactor Building Purge Air Cleanup Units shall be OPERABLE.
APPLICABILITY:
During movement of irradiated fuel assemblies within the containment.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. One Reactor Building Purge Air Cleanup Unit inoperable.
A.1 Isolate the inoperable air cleanup unit.
Immediately AND A.2 Verify the OPERABLE air cleanup unit is in operation.
Immediately B. Two Reactor Building Purge Air Cleanup Units inoperable.
B.1 Suspend movement of irradiated fuel assemblies within containment.
Immediately SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.9.8.1 Perform required filter testing in accordance with the Ventilation Filter Testing Program (VFTP).
In accordance with the VFTP
Spent Fuel Pool Boron Concentration 3.9.9 Watts Bar - Unit 2 3.9-13 (developmental)
A 3.9 REFUELING OPERATIONS 3.9.9 Spent Fuel Pool Boron Concentration LCO 3.9.9 Boron concentration of the spent fuel pool shall be 2000 ppm.
APPLICABILITY:
During fuel movement in the flooded spent fuel pool.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Boron concentration not within limit.
A.1 Suspend fuel movement.
Immediately SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.9.9.1 Verify boron concentration in the spent fuel pool is 2000 ppm.
Prior to movement of fuel in the spent fuel pool AND 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> thereafter