Text

Developmental Revision B - Technical Specifications 3.6 - Containment Systems
	ML100550458
Person / Time
Site:	Watts Bar
Issue date:	02/02/2010
From:	; Tennessee Valley Authority
To:	; Office of Nuclear Reactor Regulation
References
	Download: ML100550458 (37)
	v • d • e

Containment 3.6.1 3.6 CONTAINMENT SYSTEMS 3.6.1 Containment LCO 3.6.1 Containment shall be OPERABLE.

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

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Containment inoperable. A.1 Restore containment to 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months OPERABLE status B. Required Action and B.1 Be in MODE 3. 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months associated Completion Time not met. AND B.2 Be in MODE 5. 36 hours4.166667e-4 days 0.01 hours 5.952381e-5 weeks 1.3698e-5 months SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.6.1.1 Perform required visual examinations and leakage In accordance with rate testing except for containment air lock testing, in the Containment accordance with the Containment Leakage Rate Leakage Rate Testing Program. Testing Program.

Watts Bar - Unit 2 3.6-1 (developmental) A

Containment Air Locks 3.6.2 3.6 CONTAINMENT SYSTEMS 3.6.2 Containment Air Locks LCO 3.6.2 Two containment air locks shall be OPERABLE.

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

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

1. Entry and exit is permissible to perform repairs on the affected air lock components.

2. Separate Condition entry is allowed for each air lock.

3. Enter applicable Conditions and Required Actions of LCO 3.6.1, "Containment," when air lock leakage results in exceeding the overall containment leakage rate.

CONDITION REQUIRED ACTION COMPLETION TIME A. One or more containment -------------------NOTES------------------

air locks with one 1. Required Actions A.1, A.2, containment air lock door and A.3 are not applicable if inoperable. both doors in the same air lock are inoperable and Condition C is entered.

2. Entry and exit is permissible for 7 days under administrative controls if both air locks are inoperable.

(continued)

Watts Bar - Unit 2 3.6-2 (developmental) A

Containment Air Locks 3.6.2 ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. (continued) A.1 Verify the OPERABLE 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months door is closed in the affected air lock.

AND A.2 Lock the OPERABLE 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months door closed in the affected air lock.

AND A.3 -------------NOTE------------

Air lock doors in high radiation areas may be verified locked closed by administrative means.

Verify the OPERABLE Once per 31 days door is locked closed in the affected air lock.

(continued)

Watts Bar - Unit 2 3.6-3 (developmental) A

Containment Air Locks 3.6.2 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME B. One or more containment -------------------NOTES------------------

air locks with containment 1. Required Actions B.1, B.2, air lock interlock and B.3 are not applicable if mechanism inoperable. both doors in the same air lock are inoperable and Condition C is entered.

2. Entry and exit of containment is permissible under the control of a dedicated individual.

B.1 Verify an OPERABLE 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months door is closed in the affected air lock.

AND B.2 Lock an OPERABLE door 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months closed in the affected air lock.

AND B.3 -------------NOTE------------

Air lock doors in high radiation areas may be verified locked closed by administrative means.

Verify an OPERABLE Once per 31 days door is locked closed in the affected air lock.

(continued)

Watts Bar - Unit 2 3.6-4 (developmental) A

Containment Air Locks 3.6.2 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME C. One or more containment C.1 Initiate action to evaluate Immediately air locks inoperable for overall containment reasons other than leakage rate per Condition A or B. LCO 3.6.1.

AND C.2 Verify a door is closed in 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months the affected air lock.

AND C.3 Restore air lock to 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months OPERABLE status.

D. Required Action and D.1 Be in MODE 3. 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months associated Completion Time not met. AND D.2 Be in MODE 5. 36 hours4.166667e-4 days 0.01 hours 5.952381e-5 weeks 1.3698e-5 months Watts Bar - Unit 2 3.6-5 (developmental) A

Containment Air Locks 3.6.2 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.6.2.1 -------------------------------NOTES----------------------------

1. An inoperable air lock door does not invalidate the previous successful performance of the overall air lock leakage test.

2. Results shall be evaluated against acceptance criteria applicable to SR 3.6.1.1.

Perform required air lock leakage rate testing in In accordance with accordance with the Containment Leakage Rate the Containment Testing Program. Leakage Rate Testing Program SR 3.6.2.2 -------------------------------NOTE------------------------------

Only required to be performed upon entry or exit through the containment air lock.

Verify only one door in the air lock can be opened at 184 days a time.

Watts Bar - Unit 2 3.6-6 (developmental) A

Containment Isolation Valves 3.6.3 3.6 CONTAINMENT SYSTEMS 3.6.3 Containment Isolation Valves LCO 3.6.3 Each containment isolation valve shall be OPERABLE.

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

ACTIONS

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

1. Penetration flow path(s) may be unisolated intermittently under administrative controls.

2. Separate Condition entry is allowed for each penetration flow path.

3. Enter applicable Conditions and Required Actions for systems made inoperable by containment isolation valves.

4. Enter applicable Conditions and Required Actions of LCO 3.6.1, "Containment," when isolation valve leakage results in exceeding the overall containment leakage rate acceptance criteria.

CONDITION REQUIRED ACTION COMPLETION TIME A. ------------NOTE---------------- A.1 Isolate the affected 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months Only applicable to penetration flow path by penetration flow paths with use of at least one closed two containment isolation and de-activated valves. automatic valve, closed

manual valve, blind flange, or check valve One or more penetration with flow through the flow paths with one valve secured.

containment isolation valve inoperable except for purge AND valve or shield building bypass leakage not within limit.

(continued)

Watts Bar - Unit 2 3.6-7 (developmental) A

Containment Isolation Valves 3.6.3 ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. (continued) A.2 -----------NOTES------------

1. Isolation devices in high radiation areas may be verified by use of administrative means.

2. Isolation devices that are locked, sealed, or otherwise secured may be verified by use of administrative means.

Verify the affected Once per 31 days for penetration flow path is isolation devices isolated. outside containment AND Prior to entering MODE 4 from MODE 5 if not performed within the previous 92 days for isolation devices inside containment Watts Bar - Unit 2 3.6-8 (developmental) B

Containment Isolation Valves 3.6.3 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME B. ------------NOTE---------------- B.1 Isolate the affected 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months Only applicable to penetration flow path by penetration flow paths with use of at least one closed two containment isolation and de-activated valves. automatic valve, closed

manual valve, or blind flange One or more penetration flow paths with two containment isolation valves inoperable except for purge valve or shield building bypass leakage not within limit.

C. ------------NOTE---------------- C.1 Isolate the affected 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months Only applicable to penetration flow path by penetration flow paths with use of at least one closed only one containment and de-activated isolation valve and a closed automatic valve, closed system. manual valve, or blind

flange One or more penetration AND flow paths with one containment isolation valve C.2 -----------NOTES------------

inoperable. 1. Isolation devices in high radiation areas may be verified by use of administrative means.

2. Isolation devices that are locked, sealed, or otherwise secured may be verified by use of administrative means.

(continued)

Watts Bar - Unit 2 3.6-9 (developmental) B

Containment Isolation Valves 3.6.3 CONDITION REQUIRED ACTION COMPLETION TIME C. (continued) Verify the affected Once per 31 days penetration flow path is isolated.

D. Shield building bypass not D.1 Restore leakage within 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months within limit. limit.

E. One or more penetration E.1 Isolate the affected 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months flow paths with one or more penetration flow path by containment purge valves use of at least one closed not within purge valve and de-activated leakage limits automatic valve, closed manual valve, or blind flange.

AND (continued)

Watts Bar - Unit 2 3.6-10 (developmental) A

Containment Isolation Valves 3.6.3 ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME E. (continued) E.2 -----------NOTES------------

1. Isolation devices in high radiation areas may be verified by use of administrative means.

2. Isolation devices that are locked, sealed, or otherwise secured may be verified by use of administrative means.

Verify the affected Once per 31 days for penetration flow path is isolation devices isolated. outside containment AND Prior to entering MODE 4 from MODE 5 if not performed within the previous 92 days for isolation devices inside containment Once per 92 days AND E.3 Perform SR 3.6.3.5 for Once per 92 days the resilient seal purge valves closed to comply with Required Action E.1.

F. Required Action and F.1 Be in MODE 3. 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months associated Completion Time not met. AND F.2 Be in MODE 5. 36 hours4.166667e-4 days 0.01 hours 5.952381e-5 weeks 1.3698e-5 months Watts Bar - Unit 2 3.6-11 (developmental) B

Containment Isolation Valves 3.6.3 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.6.3.1 Verify each containment purge valve is closed, 31 days except when the containment purge valves are open for pressure control, ALARA or air quality considerations for personnel entry, or for Surveillances that require the valves to be open.

SR 3.6.3.2 -------------------------------NOTE------------------------------

Valves and blind flanges in high radiation areas may be verified by use of administrative controls.

Verify each containment isolation manual valve and 31 days blind flange that is located outside containment, the containment annulus, and the Main Steam Valve Vault Rooms, and not locked, sealed, or otherwise secured and required to be closed during accident conditions is closed, except for containment isolation valves that are open under administrative controls.

SR 3.6.3.3 -------------------------------NOTE------------------------------

Valves and blind flanges in high radiation areas may be verified by use of administrative controls.

Verify each containment isolation manual valve and Prior to entering blind flange that is located inside containment, the MODE 4 from containment annulus, and the Main Steam Valve MODE 5 if not Vault Rooms, and not locked, sealed, or otherwise performed within the secured and required to be closed during accident previous 92 days conditions is closed, except for containment isolation valves that are open under administrative controls.

SR 3.6.3.4 Verify the isolation time of each power operated and In accordance with each automatic containment isolation valve is within the Inservice Testing limits. Program or 92 days (continued)

Watts Bar - Unit 2 3.6-12 (developmental) B

Containment Isolation Valves 3.6.3 SURVEILLANCE REQUIREMENTS (continued)

SURVEILLANCE FREQUENCY SR 3.6.3.5 Perform leakage rate testing for containment purge 184 days valves with resilient seals.

AND Within 92 days after opening the valve SR 3.6.3.6 Verify each automatic containment isolation valve 18 months that is not locked, sealed, or otherwise secured in position, actuates to the isolation position on an actual or simulated actuation signal.

SR 3.6.3.7 Verify each 24 inch containment lower compartment 18 months purge supply and exhaust isolation valve is blocked to restrict the valve from opening > 50°.

SR 3.6.3.8 Verify the combined leakage rate for all shield In accordance with building bypass leakage paths is 0.25 La when the Containment pressurized to 15.0 psig. Leakage Rate Testing Program Watts Bar - Unit 2 3.6-13 (developmental) A

Containment Pressure 3.6.4 3.6 CONTAINMENT SYSTEMS 3.6.4 Containment Pressure LCO 3.6.4 Containment pressure shall be -0.1 and +0.3 psid relative to the annulus.

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

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Containment pressure not A.1 Restore containment 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months within limits. pressure to within limits.

B. Required Action and B.1 Be in MODE 3. 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months associated Completion Time not met. AND B.2 Be in MODE 5. 36 hours4.166667e-4 days 0.01 hours 5.952381e-5 weeks 1.3698e-5 months SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.6.4.1 Verify containment pressure is within limits. 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months Watts Bar - Unit 2 3.6-14 (developmental) A

Containment Air Temperature 3.6.5 3.6 CONTAINMENT SYSTEMS 3.6.5 Containment Air Temperature LCO 3.6.5 Containment average air temperature shall be:

a. > 85°F and 110°F for the containment upper compartment, and

b. > 100°F and 120°F for the containment lower compartment.

NOTE--------------------------------------------

The minimum containment average air temperatures in MODES 2, 3, and 4 may be reduced to 60°F.

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

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Containment average air A.1 Restore containment 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months temperature not within average air temperature limits. to within limits.

B. Required Action and B.1 Be in MODE 3. 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months associated Completion Time not met. AND B.2 Be in MODE 5. 36 hours4.166667e-4 days 0.01 hours 5.952381e-5 weeks 1.3698e-5 months Watts Bar - Unit 2 3.6-15 (developmental) A

Containment Air Temperature 3.6.5 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.6.5.1 Verify containment upper compartment average air 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months temperature is within limits.

SR 3.6.5.2 Verify containment lower compartment average air 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months temperature is within limits.

Watts Bar - Unit 2 3.6-16 (developmental) A

Containment Spray System 3.6.6 3.6 CONTAINMENT SYSTEMS 3.6.6 Containment Spray System LCO 3.6.6 Two containment spray trains and two residual heat removal (RHR) spray trains shall be OPERABLE.

NOTE--------------------------------------------

The RHR spray train is not required in MODE 4.

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

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. One containment spray A.1 Restore containment 72 hours8.333333e-4 days 0.02 hours 1.190476e-4 weeks 2.7396e-5 months train inoperable. spray train to OPERABLE status.

B. One RHR spray train B.1 Restore RHR spray train 72 hours8.333333e-4 days 0.02 hours 1.190476e-4 weeks 2.7396e-5 months inoperable. to OPERABLE status.

C. Required Action and C.1 Be in MODE 3. 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months associated Completion Time not met. AND C.2 Be in MODE 5. 84 hours9.722222e-4 days 0.0233 hours 1.388889e-4 weeks 3.1962e-5 months Watts Bar - Unit 2 3.6-17 (developmental) A

Containment Spray System 3.6.6 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.6.6.1 Verify each containment spray manual, power 31 days operated, and automatic valve in the flow path that is not locked, sealed, or otherwise secured in position is in the correct position.

SR 3.6.6.2 Verify each containment spray pump's developed In accordance with head at the flow test point is greater than or equal to the Inservice Testing the required developed head. Program SR 3.6.6.3 Verify each automatic containment spray valve in the 18 months flow path that is not locked, sealed, or otherwise secured in position, actuates to the correct position on an actual or simulated actuation signal.

SR 3.6.6.4 Verify each containment spray pump starts 18 months automatically on an actual or simulated actuation signal.

SR 3.6.6.5 Verify each spray nozzle is unobstructed. At first refueling AND 10 years SR 3.6.6.6 Perform SR 3.5.2.2 and SR 3.5.2.4 for the RHR In accordance with spray system. Applicable SRs Watts Bar - Unit 2 3.6-18 (developmental) A

DELETED 3.6 CONTAINMENT SYSTEMS 3.6.7 This Specification Deleted Watts Bar - Unit 2 3.6-19 (developmental) B

HMS 3.6.8 3.6 CONTAINMENT SYSTEMS 3.6.8 Hydrogen Mitigation System (HMS)

LCO 3.6.8 Two HMS trains shall be OPERABLE.

APPLICABILITY: MODES 1 and 2.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. One HMS train inoperable. A.1 Restore HMS train to 7 days OPERABLE status.

OR A.2 Perform SR 3.6.8.1 on Once per 7 days the OPERABLE train.

B. One containment region B.1 Restore one hydrogen 7 days with no OPERABLE ignitor in the affected hydrogen ignitor. containment region to OPERABLE status.

C. Required Action and C.1 Be in MODE 3. 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months associated Completion Time not met.

Watts Bar - Unit 2 3.6-20 (developmental) A

HMS 3.6.8 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.6.8.1 Energize each HMS train power supply breaker and 92 days verify 33 ignitors are energized in each train.

SR 3.6.8.2 Verify at least one hydrogen ignitor is OPERABLE in 92 days each containment region.

SR 3.6.8.3 Energize each hydrogen ignitor and verify 18 months temperature is 1700°F.

Watts Bar - Unit 2 3.6-21 (developmental) A

EGTS 3.6.9 3.6 CONTAINMENT SYSTEMS 3.6.9 Emergency Gas Treatment System (EGTS)

LCO 3.6.9 Two EGTS trains shall be OPERABLE.

APPLICABILITY: MODES 1, 2, 3, and 4 ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. One EGTS train inoperable. A.1 Restore EGTS train to 7 days OPERABLE status.

B. Required Action and B.1 Be in MODE 3. 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months associated Completion Time not met. AND B.2 Be in MODE 5. 36 hours4.166667e-4 days 0.01 hours 5.952381e-5 weeks 1.3698e-5 months SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.6.9.1 Operate each EGTS train for 10 continuous hours 31 days with heaters operating.

SR 3.6.9.2 Perform required EGTS filter testing in accordance In accordance with with the Ventilation Filter Testing Program (VFTP). the VFTP (continued)

Watts Bar - Unit 2 3.6-22 (developmental) A

EGTS 3.6.9 SURVEILLANCE REQUIREMENTS (continued)

SURVEILLANCE FREQUENCY SR 3.6.9.3 Verify each EGTS train actuates on an actual or 18 months simulated actuation signal.

SR 3.6.9.4 Verify each EGTS train produces a flow rate 18 months on a 3600 cfm and 4400 cfm within 20 seconds from STAGGERED TEST the initiation of a Containment Isolation Phase A BASIS signal.

Watts Bar - Unit 2 3.6-23 (developmental) A

ARS 3.6.10 3.6 CONTAINMENT SYSTEMS 3.6.10 Air Return System (ARS)

LCO 3.6.10 Two ARS trains shall be OPERABLE.

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

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. One ARS train inoperable. A.1 Restore ARS train to 72 hours8.333333e-4 days 0.02 hours 1.190476e-4 weeks 2.7396e-5 months OPERABLE status.

B. Required Action and B.1 Be in MODE 3. 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months associated Completion Time not met. AND B.2 Be in MODE 5. 36 hours4.166667e-4 days 0.01 hours 5.952381e-5 weeks 1.3698e-5 months SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.6.10.1 Verify each ARS fan starts on an actual or simulated 92 days actuation signal, after a delay of 8.0 minutes and 10.0 minutes, and operates for 15 minutes.

SR 3.6.10.2 Verify, with the ARS fan dampers closed, each ARS 92 days fan motor current is 54 amps and 94 amps.

SR 3.6.10.3 Verify, with the ARS fan not operating, each ARS fan 92 days damper opens when 92.4 in-lb is applied.

Watts Bar - Unit 2 3.6-24 (developmental) A

Ice Bed 3.6.11 3.6 CONTAINMENT SYSTEMS 3.6.11 Ice Bed LCO 3.6.11 The ice bed shall be OPERABLE APPLICABILITY: MODES 1, 2, 3, and 4.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Ice bed inoperable. A.1 Restore ice bed to 48 hours5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months OPERABLE status.

B. Required Action and B.1 Be in MODE 3. 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months associated Completion Time not met. AND B.2 Be in MODE 5. 36 hours4.166667e-4 days 0.01 hours 5.952381e-5 weeks 1.3698e-5 months SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.6.11.1 Verify maximum ice bed temperature is 27°F. 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months (continued)

Watts Bar - Unit 2 3.6-25 (developmental) A

Ice Bed 3.6.11 SURVEILLANCE REQUIREMENTS (continued)

SURVEILLANCE FREQUENCY SR 3.6.11.2 Verify total weight of stored ice is greater than or 18 months equal to 2,158,000 lb by:

a. Weighing a representative sample of 144 ice baskets and verifying each basket contains greater than or equal to 1110 lb of ice; and

b. Calculating total weight of stored ice, at a 95 percent confidence level, using all ice basket weights determined in SR 3.6.11.2.a.

SR 3.6.11.3 Verify azimuthal distribution of ice at a 95 percent 18 months confidence level by subdividing weights, as determined by SR 3.6.11.2.a, into the following groups:

a. Group 1-bays 1 through 8;

b. Group 2-bays 9 through 16; and

c. Group 3-bays 17 through 24.

The average ice weight of the sample baskets in each group from radial rows 1, 2, 4, 6, 8, and 9 shall be greater than or equal to 1110 lb.

SR 3.6.11.4 Verify, by visual inspection, accumulation of ice on 18 months structural members comprising flow channels through the ice bed is less than or equal to 15 percent blockage of the total flow area for each safety analysis section.

(continued)

Watts Bar - Unit 2 3.6-26 (developmental) A

Ice Bed 3.6.11 SURVEILLANCE REQUIREMENTS (continued)

SURVEILLANCE FREQUENCY SR 3.6.11.5 -------------------------------NOTE------------------------------

The requirements of this SR are satisfied if the boron concentration and pH values obtained from averaging the individual sample results are within the limits specified below.

Verify, by chemical analysis of the stored ice in at 54 months least one randomly selected ice basket from each ice condenser bay, that ice bed:

a. Boron concentration is 1800 ppm and 2000 ppm; and

b. pH is 9.0 and 9.5.

SR 3.6.11.6 Visually inspect, for detrimental structural wear, 40 months cracks, corrosion, or other damage, two ice baskets from each azimuthal group of bays.

See SR 3.6.11.3.

SR 3.6.11.7 -------------------------------NOTE------------------------------

The chemical analysis may be performed on either the liquid solution or on the resulting ice.

Verify, by chemical analysis, that ice added to the ice Each ice addition condenser meets the boron concentration and pH requirements of SR 3.6.11.5.

Watts Bar - Unit 2 3.6-27 (developmental) A

Ice Condenser Doors 3.6.12 3.6 CONTAINMENT SYSTEMS 3.6.12 Ice Condenser Doors LCO 3.6.12 The ice condenser inlet doors, intermediate deck doors, and top deck doors shall be OPERABLE and closed.

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

ACTIONS

NOTE-------------------------------------------------------------

Separate Condition entry is allowed for each ice condenser door.

CONDITION REQUIRED ACTION COMPLETION TIME A. One or more ice condenser A.1 Restore inlet door to 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months inlet doors inoperable due OPERABLE status.

to being physically restrained from opening.

B. One or more ice condenser B.1 Verify maximum ice bed Once per 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months doors inoperable for temperature is 27°F.

reasons other than Condition A or not closed. AND B.2 Restore ice condenser 14 days door to OPERABLE status and closed positions.

C. Required Action and C.1 Restore ice condenser 48 hours5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months associated Completion door to OPERABLE Time of Condition B not status and closed met. positions.

(continued)

Watts Bar - Unit 2 3.6-28 (developmental) A

Ice Condenser Doors 3.6.12 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME D. Required Action and D.1 Be in MODE 3. 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months associated Completion Time of Condition A or C AND not met.

D.2 Be in MODE 5. 36 hours4.166667e-4 days 0.01 hours 5.952381e-5 weeks 1.3698e-5 months SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.6.12.1 Verify all inlet doors indicate closed by the Inlet Door 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months Position Monitoring System.

SR 3.6.12.2 Verify, by visual inspection, each intermediate deck 7 days door is closed and not impaired by ice, frost, or debris.

SR 3.6.12.3 Verify, by visual inspection, each inlet door is not 3 months during first impaired by ice, frost, or debris. year after receipt of license AND 18 months SR 3.6.12.4 Verify torque required to cause each inlet door to 3 months during first begin to open is 675 in-lb. year after receipt of license AND 18 months (continued)

Watts Bar - Unit 2 3.6-29 (developmental) A

Ice Condenser Doors 3.6.12 SURVEILLANCE REQUIREMENTS (continued)

SURVEILLANCE FREQUENCY SR 3.6.12.5 Perform a torque test on a sampling of 50% of the 3 months during first inlet doors. year after receipt of license AND 18 months SR 3.6.12.6 Verify for each intermediate deck door: 3 months during first year after receipt of

a. No visual evidence of structural deterioration; license

b. Free movement of the vent assemblies; and AND

c. Free movement of the door. 18 months SR 3.6.12.7 Verify, by visual inspection, each top deck door: 92 days

a. Is in place;

b. Free movement of top deck vent assembly; and

c. Has no condensation, frost, or ice formed on the door that would restrict its opening.

Watts Bar - Unit 2 3.6-30 (developmental) A

Divider Barrier Integrity 3.6.13 3.6 CONTAINMENT SYSTEMS 3.6.13 Divider Barrier Integrity LCO 3.6.13 Divider barrier integrity shall be maintained.

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

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. -----------NOTE----------------- A.1 Restore personnel 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months For this action, separate access doors and Condition entry is allowed equipment hatches to for each personnel access OPERABLE status and door or equipment hatch. closed positions.

One or more personnel access doors or equipment hatches between upper and lower containment open or inoperable, other than for personnel transit.

B. Divider barrier seal B.1 Restore seal to 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months inoperable. OPERABLE status.

C. Required Action and C.1 Be in MODE 3. 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months associated Completion Time not met. AND C.2 Be in MODE 5. 36 hours4.166667e-4 days 0.01 hours 5.952381e-5 weeks 1.3698e-5 months Watts Bar - Unit 2 3.6-31 (developmental) A

Divider Barrier Integrity 3.6.13 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.6.13.1 Verify, by visual inspection, all personnel access Prior to entering doors and equipment hatches between upper and MODE 4 from lower containment compartments are closed. MODE 5 SR 3.6.13.2 Verify, by visual inspection, that the seals and Prior to final closure sealing surfaces of each personnel access door and after each opening equipment hatch have:

AND

a. No detrimental misalignments;

b. No cracks or defects in the sealing surfaces; and ----------NOTE---------

Only required for

c. No apparent deterioration of the seal material. seals made of resilient materials 10 years SR 3.6.13.3 Verify, by visual inspection, each personnel access After each opening door or equipment hatch that has been opened for personnel transit is closed.

SR 3.6.13.4 Verify, by peel test on three specimens for each Prior to initial fuel replacement seal repair location, that the length of loading for joints peel for at least two of the test specimens is less made prior to fuel than or equal to 1 inch. loading AND (continued)

Watts Bar - Unit 2 3.6-32 (developmental) A

Divider Barrier Integrity 3.6.13 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.6.13.4 (continued) 18 months for the first two refueling outages after fabrication of any joint AND 18 months thereafter for a fabricated splice joint, if any of the three test specimens peel length is > 1/2 inch OR 36 months thereafter for a fabricated splice joint, if all three associated test specimens peel length is 1/2 inch SR 3.6.13.5 Visually inspect 95% of the divider barrier seal 18 months length, and verify:

a. Seal and seal mounting bolts are properly installed; and

b. Seal material shows no evidence of deterioration due to holes, ruptures, chemical attack, abrasion, radiation damage, or changes in physical appearance.

Watts Bar - Unit 2 3.6-33 (developmental) A

Containment Recirculation Drains 3.6.14 3.6 CONTAINMENT SYSTEMS 3.6.14 Containment Recirculation Drains LCO 3.6.14 The ice condenser floor drains and the refueling canal drains shall be OPERABLE.

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

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. One ice condenser floor A.1 Restore ice condenser 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months drain inoperable. floor drain to OPERABLE status.

B. One refueling canal drain B.1 Restore refueling canal 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months inoperable. drain to OPERABLE status.

C. Required Action and C.1 Be in MODE 3. 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months associated Completion Time not met. AND C.2 Be in MODE 5. 36 hours4.166667e-4 days 0.01 hours 5.952381e-5 weeks 1.3698e-5 months Watts Bar - Unit 2 3.6-34 (developmental) A

Containment Recirculation Drains 3.6.14 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.6.14.1 Verify, by visual inspection, that: 92 days

a. Each refueling canal drain plug is removed; AND

b. Each refueling canal drain is not obstructed by Prior to entering debris; and MODE 4 from MODE 5 after each

c. No debris is present in the upper compartment partial or complete or refueling canal that could obstruct the fill of the canal refueling canal drain.

SR 3.6.14.2 Verify for each ice condenser floor drain that the: 18 months

a. Gate opening is not impaired by ice, frost, or debris;

b. Gate seat shows no evidence of damage;

c. Gate opening force is 100 lb; and

d. Drain line from the ice condenser floor to the lower compartment is unrestricted.

Watts Bar - Unit 2 3.6-35 (developmental) A

Shield Building 3.6.15 3.6 CONTAINMENT SYSTEMS 3.6.15 Shield Building LCO 3.6.15 The shield building shall be OPERABLE.

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

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Shield building inoperable. A.1 Restore shield building to 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months OPERABLE status.

B. ------------NOTE---------------- B.1 Restore annulus pressure 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months Annulus pressure within limits.

requirement is not applicable during ventilating operations, required annulus entries, or Auxiliary Building isolations not exceeding 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months in duration.

Annulus pressure not within limits.

C. Required Action and C.1 Be in MODE 3. 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months associated Completion Time not met. AND C.2 Be in MODE 5. 36 hours4.166667e-4 days 0.01 hours 5.952381e-5 weeks 1.3698e-5 months Watts Bar - Unit 2 3.6-36 (developmental) A

Shield Building 3.6.15 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.6.15.1 Verify annulus negative pressure is equal to or more 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months negative than -5 inches water gauge with respect to the atmosphere.

SR 3.6.15.2 Verify the door in each access opening is closed, 31 days except when the access opening is being used for normal transient entry and exit.

SR 3.6.15.3 Verify shield building structural integrity by During shutdown for performing a visual inspection of the exposed interior SR 3.6.1.1 Type A and exterior surfaces of the Shield Building. tests SR 3.6.15.4 Verify each Emergency Gas Treatment System train 18 months on a with final flow 3600 cfm and 4400 cfm produces STAGGERED TEST an annulus pressure equal to or more negative than BASIS

- 0.61 inch water gauge at elevation 783 with respect to the atmosphere and with an inleakage of 250 cfm.

Watts Bar - Unit 2 3.6-37 (developmental) A

ML100550458

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