ML100550623
| ML100550623 | |
| Person / Time | |
|---|---|
| Site: | Watts Bar  |
| Issue date: | 02/02/2010 |
| From: | Tennessee Valley Authority |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| Download: ML100550623 (12) | |
Text
Safety Valves, Shutdown TR 3.4.1 TR 3.4 REACTOR COOLANT SYSTEM (RCS)
TR 3.4.1 Safety Valves, Shutdown TR 3.4.1 One pressurizer Code safety valve shall be OPERABLE with a lift setting of 2410 psig and 2560 psig.
NOTE----------------------------------------------
The lift setting is not required to be within the TR limit during MODES 4 and 5 for the purpose of setting the pressurizer safety valves under ambient (hot) conditions. This exception is allowed for entry and operation into and exit from MODES 4 and 5 provided a preliminary cold setting was made prior to heatup.
APPLICABILITY: MODES 4 and 5.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. No pressurizer Code safety A.1 Suspend all operations Immediately valve OPERABLE. involving positive reactivity changes.
AND A.2 Place an OPERABLE Immediately Residual Heat Removal (RHR) loop into operation in the shutdown cooling mode.
Watts Bar - Unit 2 3.4-1 Technical Requirements (developmental) A
Safety Valves, Shutdown TR 3.4.1 TECHNICAL SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY TSR 3.4.1.1 Verify the required pressurizer safety valve In accordance with OPERABLE in accordance with the Inservice Testing the Inservice Testing Program. Following testing, lift settings shall be within Program.
+/- 1% of the nominal lift setting of 2485 psig.
Watts Bar - Unit 2 3.4-2 Technical Requirements (developmental) A
Pressurizer Temperature Limits TR 3.4.2 TR 3.4 REACTOR COOLANT SYSTEM (RCS)
TR 3.4.2 Pressurizer Temperature Limits TR 3.4.2 The pressurizer temperature shall be limited to:
- a. Heatup of 100°F in any 1-hour period, and
- b. Cooldown of 200°F in any 1-hour period.
APPLICABILITY: At all times.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. --------------NOTE---------------
All Required Actions must be completed whenever this Condition is entered.
Pressurizer temperature A.1 Restore pressurizer 30 minutes not within limits. temperature to within limits.
AND A.2 Perform engineering 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> evaluation to determine effects of the out-of-limit condition on the structural integrity of the pressurizer.
AND A.3 Determine that the 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> pressurizer remains acceptable for continued operation.
(continued)
Watts Bar - Unit 2 3.4-3 Technical Requirements (developmental) A
Pressurizer Temperature Limits TR 3.4.2 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME B. Required Action and B.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 /> associated Completion Time not met. AND B.2 Reduce pressurizer 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br /> pressure to < 500 psig.
TECHNICAL SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY TSR 3.4.2.1 -------------------------------NOTE------------------------------
Only required during system heatup or cooldown operations.
Determine that pressurizer temperatures are within 30 minutes limits.
Watts Bar - Unit 2 3.4-4 Technical Requirements (developmental) A
RCS Vents TR 3.4.3 TR 3.4 REACTOR COOLANT SYSTEM (RCS)
TR 3.4.3 RCS Vents TR 3.4.3 Two Reactor Coolant System Vent (RCSV) paths shall be OPERABLE.
APPLICABILITY: MODES 1, 2, 3, and 4.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. One RCSV path inoperable. A.1 Initiate action to maintain Immediately the affected RCSV path closed with power removed from the valve actuators.
AND A.2 Restore the inoperable 30 days path to OPERABLE status.
B. Two RCSV paths B.1 Restore one RCSV path 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> inoperable. to OPERABLE status.
C. Required Action and 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 /> associated Completion Time of Condition A or B AND not met.
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 /> Watts Bar - Unit 2 3.4-5 Technical Requirements (developmental) A
RCS Vents TR 3.4.3 TECHNICAL SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY TSR 3.4.3.1 Verify that the upstream manual RCSV isolation 18 months valves are locked in the opened position.
TSR 3.4.3.2 Operate each remotely controlled valve through at In accordance with least one complete cycle of full travel from the control the Inservice Testing room. Program TSR 3.4.3.3 Verify flow through the RCSV paths during venting. 18 months Watts Bar - Unit 2 3.4-6 Technical Requirements (developmental) A
Chemistry TR 3.4.4 TR 3.4 REACTOR COOLANT SYSTEM (RCS)
TR 3.4.4 Chemistry TR 3.4.4 The RCS Chemistry shall be maintained within the limits specified below:
STEADY STATE TRANSIENT PARAMETER LIMIT LIMIT DISSOLVED OXYGEN < 0.10 ppm < 1.00 ppm CHLORIDE < 0.15 ppm < 1.50 ppm FLUORIDE < 0.15 ppm < 1.50 ppm APPLICABILITY: At all times.
NOTE--------------------------------------------
With Tavg < 250°F, the dissolved oxygen limit is not applicable.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. One or more chemistry A.1 Restore the parameter to 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> parameters not within within its Steady State Steady State Limits, in Limit.
MODE 1, 2, 3, or 4.
B. One or more chemistry B.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 /> parameters not within the Transient Limits in AND MODES 1, 2, 3 and 4.
B.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 /> OR Required Action and associated Completion Time of Condition A not met.
(continued)
Watts Bar - Unit 2 3.4-7 Technical Requirements (developmental) A
Chemistry TR 3.4.4 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME C. --------------NOTE--------------
All Required Actions must be completed whenever this Condition is entered.
RCS chloride or fluoride C.1 Initiate action to reduce Immediately concentration not within the the pressurizer pressure Steady State Limits for to 500 psig.
more than 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> in any condition other than AND MODES 1, 2, 3 and 4.
C.2 Perform an engineering Prior to increasing OR evaluation to determine the pressurizer the effects of the pressure > 500 psig RCS chloride or fluoride out-of-limit condition on concentration not within the structural integrity of OR Transient Limits in any the RCS.
condition other than Prior to entry to MODES 1, 2, 3 and 4. MODE 4 AND C.3 Determine that the RCS Prior to increasing remains acceptable for the pressurizer continued operation. pressure > 500 psig OR Prior to entry to MODE 4 Watts Bar - Unit 2 3.4-8 Technical Requirements (developmental) A
Chemistry TR 3.4.4 TECHNICAL SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY TSR 3.4.4.1 -------------------------------NOTE------------------------------
Not required with Tavg < 250°F.
Demonstrate by analysis that RCS dissolved oxygen 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> concentration is < 0.10 ppm.
TSR 3.4.4.2 Demonstrate by analysis that RCS chloride 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> concentration is < 0.15 ppm.
TSR 3.4.4.3 Demonstrate by analysis that RCS fluoride 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> concentration is < 0.15 ppm.
Watts Bar - Unit 2 3.4-9 Technical Requirements (developmental) A
Piping System Structural Integrity TR 3.4.5 TR 3.4 REACTOR COOLANT SYSTEM (RCS)
TR 3.4.5 Piping System Structural Integrity TR 3.4.5 The structural integrity of ASME Code Class 1, 2, and 3 components shall be maintained in accordance with TSR 3.4.5.1 and TSR 3.4.5.2.
APPLICABILITY: All MODES.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Structural integrity of any A.1 Restore structural Prior to increasing ASME Code Class 1 integrity of affected Reactor Coolant component(s) not within component(s) to System temperature limits. within limit. > 50°F above the minimum temperature required by NDT considerations OR A.2 Isolate affected Prior to increasing component(s). Reactor Coolant System temperature
> 50°F above the minimum temperature required by NDT considerations.
(continued)
Watts Bar - Unit 2 3.4-10 Technical Requirements (developmental) A
Piping System Structural Integrity TR 3.4.5 ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME B. Structural integrity of any B.1 Restore structural Prior to increasing ASME Code Class 2 integrity of affected Reactor Coolant component(s) not within component(s) to System temperature limits. within limit. to > 200°F.
OR B.2 Isolate affected Prior to increasing component(s). Reactor Coolant System temperature to > 200°F.
C. Structural integrity of any C.1 Enter applicable Immediately ASME Code Class 3 Conditions and Required component(s) not within Actions for the affected limits. component.
AND C.2.1 Restore structural Within the integrity of affected Completion Time component(s) to specified in the within limit. affected component LCO or TR.
OR C.2.2 Isolate affected Within the component(s) from Completion Time remaining system. specified in the affected component LCO or TR.
Watts Bar - Unit 2 3.4-11 Technical Requirements (developmental) A
Piping System Structural Integrity TR 3.4.5 TECHNICAL SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY TSR 3.4.5.1 Inspect each reactor coolant pump flywheel according According to the to the recommendations of Regulatory Position C.4.b recommendations of of Regulatory Guide 1.14, Revision 1, August 1975. Regulatory Position C.4.b of Regulatory Guide 1.14, Revision 1 TSR 3.4.5.2 Verify the structural integrity of ASME Code In accordance with Class 1, 2, and 3 components are in accordance the Inservice with the Inservice Inspection Program. Inspection Program Watts Bar - Unit 2 3.4-12 Technical Requirements (developmental) A