ML100550624
| ML100550624 | |
| Person / Time | |
|---|---|
| Site: | Watts Bar  |
| Issue date: | 02/02/2010 |
| From: | Tennessee Valley Authority |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| Download: ML100550624 (6) | |
Text
Ice Bed Temperature Monitoring System TR 3.6.1 Watts Bar - Unit 2 3.6-1 Technical Requirements (developmental)
A TR 3.6 CONTAINMENT SYSTEMS TR 3.6.1 Ice Bed Temperature Monitoring System TR 3.6.1 The Ice Bed Temperature Monitoring System shall be OPERABLE with at least two OPERABLE RTD channels in the ice bed at each of three basic elevations: 10' 6", 30' 9" and 55' above the floor of the ice condenser, for each one-third of the ice condenser.
APPLICABILITY:
MODES 1, 2, 3, and 4.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A.
Ice Bed temperature not available in the main control room.
A.1 Monitor ice bed temperature at the local ice condenser temperature monitoring panel (local panel).
Once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> B.
Ice Bed Temperature Monitoring System inoperable.
AND Local ice condenser temperature monitoring panel inoperable.
B.1.1 Verify ice compartment lower inlet doors, intermediate deck doors, and top deck doors are closed.
1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> AND 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> thereafter AND B.1.2 Verify last recorded mean ice bed temperature was
< 20°F and steady.
1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> AND B.1.3 Verify Ice Condenser Cooling System is OPERABLE with at least 21 air handling units, two glycol circulating pumps and three refrigerant units OPERABLE.
1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> AND 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> thereafter (continued)
Ice Bed Temperature Monitoring System TR 3.6.1 Watts Bar - Unit 2 3.6-2 Technical Requirements (developmental)
A ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME B.
(continued)
AND B.2.1 Restore Ice Bed Temperature Monitoring System to OPERABLE status.
30 days OR B.2.2 Restore local temperature monitoring panel to OPERABLE status.
30 days C.
Ice Bed Temperature Monitoring System inoperable.
AND Local ice condenser temperature monitoring panel inoperable.
AND Ice Condenser Cooling System inoperable.
C.1.1 Verify ice compartment lower inlet doors, intermediate deck doors, and top deck doors are closed.
1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> AND 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> thereafter AND C.1.2 Verify last recorded mean ice bed temperature was
< 15°F and steady.
1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> AND C.2.1 Restore the Ice Condenser Cooling System to OPERABLE status.
6 days OR C.2.2 Restore Ice Bed Temperature Monitoring System to OPERABLE status.
6 days OR (continued)
Ice Bed Temperature Monitoring System TR 3.6.1 Watts Bar - Unit 2 3.6-3 Technical Requirements (developmental)
A ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME C.
(continued)
C.2.3 Restore local temperature monitoring panel to OPERABLE status.
6 days D.
Required Action and associated Completion Time of Condition A, B or C not met.
D.1 Be in MODE 3.
6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> AND D.2 Be in MODE 5.
36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br /> TECHNICAL SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY TSR 3.6.1.1 Perform CHANNEL CHECK on the Ice Bed Temperature Monitoring System.
12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />
Inlet Door Position Monitoring System TR 3.6.2 Watts Bar - Unit 2 3.6-4 Technical Requirements (developmental)
A TR 3.6 CONTAINMENT SYSTEMS TR 3.6.2 Inlet Door Position Monitoring System TR 3.6.2 The Inlet Door Position Monitoring System shall be OPERABLE.
APPLICABILITY:
MODES 1, 2, 3, and 4.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A.
Inlet Door Position Monitoring System inoperable in MODE 1.
A.1 Confirm the Ice Bed Temperature Monitoring System is OPERABLE with the ice bed temperature 27°F.
4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> AND Each 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> thereafter AND A.2 Restore the Inlet Door Position Monitoring System to OPERABLE status.
14 days B.
Required Action and associated Completion Time of Condition A not met.
OR Inlet Door Position Monitoring System inoperable in MODES 2, 3, or 4.
B.1 Restore the Inlet Door Monitoring System to OPERABLE status.
48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> C.
Required Action and associated Completion Time of Condition B not met.
C.1 Be in MODE 4.
6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> AND C.2 Be in MODE 5.
36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br />
Inlet Door Position Monitoring System TR 3.6.2 Watts Bar - Unit 2 3.6-5 Technical Requirements (developmental)
A TECHNICAL SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY TSR 3.6.2.1 Perform CHANNEL CHECK.
12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> TSR 3.6.2.2 Perform TADOT.
18 months TSR 3.6.2.3 Verify that the monitoring system correctly indicates the status of each inlet door as the door is opened and reclosed during its testing per TS SR 3.6.12.1, TS SR 3.6.12.3, TS SR 3.6.12.4, and TS SR 3.6.12.5.
In accordance with Technical Specification Surveillance Requirements.
Lower Compartment Cooling System TR 3.6.3 Watts Bar - Unit 2 3.6-6 Technical Requirements (developmental)
A TR 3.6 CONTAINMENT SYSTEMS TR 3.6.3 Lower Compartment Cooling (LCC) System TR 3.6.3 Two LCC trains with two fans in each train shall be OPERABLE.
APPLICABILITY:
MODES 1, 2, 3, and 4.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A.
One LCC fan inoperable.
A.1 Restore LCC fan to OPERABLE status.
7 days B.
Two LCC fans inoperable.
B.1 Restore at least one LCC fan to OPERABLE status.
72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> C.
Required action and associated Completion Time of Conditions A or B not met.
OR More than two LCC fans inoperable.
C.1 Be in MODE 3.
6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> AND C.2 Be in MODE 5.
36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br /> TECHNICAL SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY TSR 3.6.3.1 Verify that each fan can be started from the control room and operates for > 15 minutes.
31 days