3.6 CONTAINMENT SYSTEMS Flashcards

1
Q

What is the LCO and APPLICABILITY of Technical Specification 3.6.1.1, Primary Containment-Operating?

A

LCO: Primary containment shall be OPERABLE

APPLICABILITY: MODES 1, 2, and 3

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2
Q

What are the one hour, or less, actions associated with Technical Specification 3.6.1.1, Primary Containment-Operating?

A

NOTE************
Applicable Conditions and Required Actions are not required to be entered for the Inclined Fuel Transfer System (IFTS) penetration for up to 20 hours per 12 month period when the IFTS blind flange is unbolted.
**
***************
Condition A: Primary Containment inoperable - Restore primary containment to OPERABLE status - 1 hour

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3
Q

What is the LCO and APPLICABILITY of Technical Specification 3.6.1.2, Primary Containment Air Locks?

A

LCO: Two primary containment air locks shall be OPERABLE.

APPLICABILITY:
MODES 1, 2, and 3
During movement of recently irradiated fuel assemblies in the primary containment
During operations with a potential for draining the reactor vessel (OPDRVS)

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4
Q

What are the one hour, or less, actions associated with Technical Specification 3.6.1.2, Primary Containment Air Locks?

A

NOTES************
1. Entry and exit is permissible to perform repairs of the affected air lock components
2. Separate Condition entry is allowed for each air lock
3. Enter applicable Conditions and Required Actions of LCO 3.6.1.1, “Primary Containment-Operating,” when air lock leakage results in exceeding overall containment leakage rate acceptance criteria in MODES 1, 2, and 3
*******************
Condition A: One of more primary containment air locks with one primary containment air lock door inoperable -
**NOTE
1. Required Actions A.1, A.2, and A.3 are not applicable if 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.
**
Verify the OPERABLE door is closed in the affected air lock - 1 hour

Condition B: One or more primary containment air locks with primary containment air lock interlock mechanism inoperable -
**NOTE
1. Required Actions B.1, B.2, and B.3 are not applicable if both doors in the same air lock are inoperable and Condition C is entered.
2. Entry and exit is permissible under the control of a dedicated individual.
**
Verify an Operable door is closed in the affected air lock - 1 hour

Condition C: One or more primary containment air locks inoperable for reasons other than Condition A or B - Initiate action to evaluate primary containment overall leakage rate per LCO 3.6.1.1, using current air lock test results - Immediately AND Verify a door is closed in the affected air lock - 1 hour

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5
Q

What is the LCO and APPLICABILITY of Technical Specification 3.6.1.3, Primary Containment Isolation Valves (PCIVs)?

A

LCO: Each PCIV, except containment vacuum breakers, shall be OPERABLE.

APPLICABILITY:
MODES 1, 2, and 3
When associated instrumentation is required to be OPERABLE per LCO 3.3.6.1, “Primary Containment and Drywell Isolation Instrumentation.”

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6
Q

What are the one hour, or less, actions associated with Technical Specification 3.6.1.3, Primary Containment Isolation Valves (PCIVs)?

A

NOTES**********1. Penetration flow paths except for the inboard 42 inch purge valve penetration flow paths 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 PCIVs.
4. Enter applicable Conditions and Required Actions of LCO 3.6.1.1, “Primary Containment-Operating,” when PCIV leakage results in exceeding overall containment leakage rate acceptance criteria in MODES 1, 2, and 3.
**
***************
Condition B: One or more penetration flow paths with two PCIVs inoperable except due to leakage not within limit - Isolate the affected penetration flow path by use of at least one closed and deactivated automatic valve, or blind flange - 1 hour

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7
Q

What is the LCO and APPLICABILITY of Technical Specification 3.6.1.4, Primary Containment Pressure?

A

LCO: Primary containment to secondary containment differential pressure shall be greater than or equal to -0.1 psid and less than or equal to 1.0 psid.

APPLICABILITY: MODES 1, 2, and 3

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8
Q

What are the one hour, or less, actions associated with Technical Specification 3.6.1.4, Primary Containment Pressure?

A

Condition A: Primary containment to secondary containment differential pressure not within limits - Restore primary containment to secondary containment differential pressure to within limits - 1 hour

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9
Q

What is the LCO and APPLICABILITY of Technical Specification 3.6.1.5, Primary Containment Air Temperature?

A

LCO: Primary containment average air temperature shall be less than or equal to 95F.

APPLICABILITY: MODES 1, 2, and 3.

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10
Q

What are the one hour, or less, actions associated with Technical Specification 3.6.1.5, Primary Containment Air Temperature?

A

NONE

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11
Q

What is the LCO and APPLICABILITY of Technical Specification 3.6.1.6, Low-Low Set (LLS) Valves?

A

LCO: The LLS function of six safety/relief valves shall be OPERABLE.

APPLICABILITY: MODES 1, 2, and 3

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12
Q

What are the one hour, or less, actions associated with Technical Specification 3.6.1.6, Low-Low Set (LLS) Valves?

A

NONE

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13
Q

What is the LCO and APPLICABILITY of Technical Specification 3.6.1.7, Residual Heat Removal (RHR) Containment Spray System?

A

LCO: Two RHR containment spray subsystems shall be OPERABLE.

APPLICABILITY: MODES 1, 2, and 3.

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14
Q

What are the one hour, or less, actions associated with Technical Specification 3.6.1.7, Residual Heat Removal (RHR) Containment Spray System?

A

NONE

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15
Q

What is the LCO and APPLICABILITY of Technical Specification 3.6.1.8, Feedwater Leakage Control System (FWLCS)?

A

LCO: Two FWLC subsystems shall be OPERABLE.

APPLICABILITY: MODES 1, 2, and 3.

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16
Q

What are the one hour, or less, actions associated with Technical Specification 3.6.1.8, Feedwater Leakage Control System (FWLCS)?

A

NONE

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17
Q

What is the LCO and APPLICABILITY of Technical Specification 3.6.1.9, Main Steam Shutoff Valves?

A

LCO: The Main Steam Shutoff Valves shall be OPERABLE.

APPLICABILITY: MODES 1, 2, and 3.

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18
Q

What are the one hour, or less, actions associated with Technical Specification 3.6.1.9, Main Steam Shutoff Valves?

A

NONE

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19
Q

What is the LCO and APPLICABILITY of Technical Specification 3.6.1.10, Primary Containment-Shutdown?

A

LCO: Primary Containment shall be OPERABLE.

APPLICABILITY:
During movement of recently irradiated fuel assemblies in the primary containment.
During operations with a potential for draining the reactor vessel (OPDRVS).

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20
Q

What are the one hour, or less, actions associated with Technical Specification 3.6.1.10, Primary Containment-Shutdown?

A

Condition A: Primary containment inoperable - Suspend movement of recently irradiated fuel assemblies in the primary containment - Immediately AND Initiate action to suspend OPDRVs - Immediately

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21
Q

What is the LCO and APPLICABILITY of Technical Specification 3.6.1.11, Containment Vacuum Breakers?

A

LCO: Three containment vacuum breakers shall be OPERABLE and four containment vacuum breakers shall be closed.

APPLICABILITY:
MODES 1, 2, and 3,
During movement of recently irradiated fuel assemblies in the primary containment.
During operations with a potential for draining the reactor vessel (OPDRVs)

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22
Q

What are the one hour, or less, actions associated with Technical Specification 3.6.1.11, Containment Vacuum Breakers?

A

NONE

23
Q

What is the LCO and APPLICABILITY of Technical Specification 3.6.1.12, Containment Humidity Control?

A

LCO: Containment average temperature-to-relative humidity shall be maintained within limits.

APPLICABILITY:
MODES 1, 2, and 3,
During movement of recently irradiated fuel assemblies in the primary containment.
During operations with a potential for draining the reactor vessel (OPDRVs).

24
Q

What are the one hour, or less, actions associated with Technical Specification 3.6.1.12, Containment Humidity Control?

A

NONE

25
Q

What is the LCO and APPLICABILITY of Technical Specification 3.6.2.1, Suppression Pool Average Temperature?

A

LCO:
Suppression pool average temperature shall be:
A. Less than or equal to 95F when THERMAL POWER is > 1% RTP and no testing that adds heat to the suppression pool is being performed;
B. Less than or equal to 105F when THERMAL POWER is > 1% RTP and testing that adds heat to the suppression pool is being performed; and
C. Less than or equal to 110F when THERMAL POWER is less than or equal to 1% RTP.

APPLICABILITY: MODES 1, 2, and 3.

26
Q

What are the one hour, or less, actions associated with Technical Specification 3.6.2.1, Suppression Pool Average Temperature?

A

Condition A:
Suppression pool average temperature > 95F but less than or equal to 110F.
AND
THERMAL POWER > 1% RTP.
AND
Not performing testing that adds heat to the suppression pool.
- Verify suppression pool average temperature is less than or equal to 110F - Once per hour

Condition C:
Suppression pool average temperature > 105F.
AND
THERMAL POWER > 1% RTP.
AND
Performing testing that adds heat to the suppression pool.
- Suspend all testing that adds heat to the suppression pool - Immediately

Condition D: Suppression pool average temperature > 110F but less than or equal to 120F - Place the reactor mode switch in the shutdown position - Immediately AND Verify suppression pool average temperature is less than or equal to 120F - Once per 30 minutes.

27
Q

What is the LCO and APPLICABILITY of Technical Specification 3.6.2.2, Suppression Pool Water Level?

A

LCO:
Corrected suppression pool water level shall be greater than or equal to 17 ft 9.5 inches and less than ore equal to 18 ft 6 inches, when the reactor well to steam dryer storage pool gate is not installed.
OR
Corrected suppression pool water level shall be greater than or equal to 18 ft 3.2 inches and less than or equal to 18 ft 6 inches, when the reactor well to steam dryer storage pool gate is installed.

APPLICABILITY: MODES 1, 2, and 3.

28
Q

What are the one hour, or less, actions associated with Technical Specification 3.6.2.2, Suppression Pool Water Level?

A

NONE

29
Q

What is the LCO and APPLICABILITY of Technical Specification 3.6.2.3, Residual Heat Removal (RHR) Suppression Pool Cooling System?

A

LCO: Two RHR suppression pool cooling subsystems shall be OPERABLE.

APPLICABILITY: MODES 1, 2, and 3.

30
Q

What are the one hour, or less, actions associated with Technical Specification 3.6.2.3, Residual Heat Removal (RHR) Suppression Pool Cooling System?

A

NONE

31
Q

What is the LCO and APPLICABILITY of Technical Specification 3.6.2.4, Suppression Pool Makeup (SPMU) System?

A

LCO: Two SPMU subsystems shall be OPERABLE.

APPLICABILITY: MODES 1, 2, and 3.

32
Q

What are the one hour, or less, actions associated with Technical Specification 3.6.2.4, Suppression Pool Makeup (SPMU) System?

A

NONE

33
Q

What is the LCO and APPLICABILITY of Technical Specification 3.6.3.2, Primary Containment Hydrogen Igniters?

A

LCO: Two divisions of primary containment and drywell hydrogen igniters hall be OPERABLE, each with greater than or equal to 90% of the associated igniter assemblies OPERABLE.

APPLICABILITY: MODES 1 and 2.

34
Q

What are the one hour, or less, actions associated with Technical Specification 3.6.3.2, Primary Containment Hydrogen Igniters?

A

Condition B: Two primary containment and drywell hydrogen igniter divisions inoperable - Verify by administrative means that the hydrogen control function is maintained - 1 hour

35
Q

What is the LCO and APPLICABILITY of Technical Specification 3.6.3.3, Combustible Gas Mixing System?

A

LCO: Two combustible gas mixing subsystems shall be OPERABLE.

APPLICABILITY: MODES 1 and 2.

36
Q

What are the one hour, or less, actions associated with Technical Specification 3.6.3.3, Combustible Gas Mixing System?

A

Condition B: Two combustible gas mixing subsystems inoperable - Verify by administrative means that the hydrogen control function is maintained - 1 hour

37
Q

What is the LCO and APPLICABILITY of Technical Specification 3.6.4.1, Secondary Containment?

A

LCO: The secondary containment shall be OPERABLE.

APPLICABILITY:
MODES 1, 2, and 3,
During movement of recently irradiated fuel assemblies in the primary containment,
During operations with a potential for draining the reactor vessel (OPDRVs).

38
Q

What are the one hour, or less, actions associated with Technical Specification 3.6.4.1, Secondary Containment?

A

Condition C: Secondary containment inoperable during movement of recently irradiated fuel assemblies in the primary containment or during OPDRVs - Suspend movement of recently irradiated fuel assemblies in the primary containment - Immediately AND Initiate action to suspend OPDRVs - Immediately.

39
Q

What is the LCO and APPLICABILITY of Technical Specification 3.6.4.2, Secondary Containment Isolation Valves (SCIVs)?

A

LCO: Each SCIV shall be OPERABLE.

APPLICABILITY:
MODES 1, 2, and 3,
During movement of recently irradiated fuel assemblies in the primary containment,
During operations with a potential for draining the reactor vessel (OPDRVs).

40
Q

What are the one hour, or less, actions associated with Technical Specification 3.6.4.2, Secondary Containment Isolation Valves (SCIVs)?

A

NONE

41
Q

What is the LCO and APPLICABILITY of Technical Specification 3.6.4.3, Annulus Exhaust Gas Treatment (AEGT) System?

A

LCO: Two AEGT subsystems shall be OPERABLE.

APPLICABILITY:
MODES 1, 2, and 3,
During movement of recently irradiated fuel assemblies in the primary containment,
During operations with a potential for draining the reactor vessel (OPDRVs).

42
Q

What are the one hour, or less, actions associated with Technical Specification 3.6.4.3, Annulus Exhaust Gas Treatment (AEGT) System?

A

Condition D: Two AEGT subsystems inoperable in MODE 1, 2, and 3 - Enter LCO 3.0.3 - Immediately

Condition E: Two AEGT subsystems inoperable during movement of recently irradiated fuel assemblies in the primary containment or during OPDRVs - Suspend movement of recently irradiated fuel assemblies in the primary containment - Immediately AND Initiate action to suspend OPDRVs - Immediately.

43
Q

What is the LCO and APPLICABILITY of Technical Specification 3.6.5.1, Drywell?

A

LCO: The drywell shall be OPERABLE.

APPLICABILITY: MODES 1, 2, and 3.

44
Q

What are the one hour, or less, actions associated with Technical Specification 3.6.5.1, Drywell?

A

Condition A: Drywell inoperable - Restore drywell to OPERABLE status - 1 hour

45
Q

What is the LCO and APPLICABILITY of Technical Specification 3.6.5.2, Drywell Air Lock?

A

LCO: The drywell air lock shall be OPERABLE.

APPLICABILITY: MODES 1, 2, and 3.

46
Q

What are the one hour, or less, actions associated with Technical Specification 3.6.5.2, Drywell Air Lock?

A

Condition A:
One drywell air lock door inoperable -
**NOTE
1. Required Actions A.1, A.2, and A.3 are not applicable if 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.
**
A.1 - Verify the OPERABLE door is closed - 1 hour

Condition B:
Drywell air lock interlock mechanism inoperable -
**NOTE
1. Required Actions B.1, B.2, and B.3 are not applicable if both doors in the same air lock are inoperable and Condition C is entered.
2. Entry and exit is permissible under the control of a dedicated individual.
**
B.1 - Verify an OPERABLE door is closed - 1 hour

Condition C: Drywell air lock inoperable for reasons other than Condition A or B - Verify a door is closed - 1 hour.

47
Q

What is the LCO and APPLICABILITY of Technical Specification 3.6.5.3, Drywell Isolation Valves?

A

LCO: Each Drywell isolation valve, except for Drywell Vacuum Relief System Valves, shall be OPERABLE.

APPLICABILITY: MODES 1, 2, and 3.

48
Q

What are the one hour, or less, actions associated with Technical Specification 3.6.5.3, Drywell Isolation Valves?

A

NOTES************
1. Penetration flow paths except for the 24 inch and 36 inch purge supply and exhaust valve penetration flow path 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 drywell isolation valves.
**************
NONE

49
Q

What is the LCO and APPLICABILITY of Technical Specification 3.6.5.4, Drywell Pressure?

A

LCO: Drywell-to-primary containment differential pressure shall be greater than or equal to -0.5 psid and less than or equal to 2.0 psid.

APPLICABILITY: MODES 1, 2, and 3.

50
Q

What are the one hour, or less, actions associated with Technical Specification 3.6.5.4, Drywell Pressure?

A

Condition A: Drywell-to-primary containment differential pressure not within limits - Restore drywell-to-primary containment differential pressure to within limits - 1 hour

51
Q

What is the LCO and APPLICABILITY of Technical Specification 3.6.5.5, Drywell Air Temperature?

A

LCO: Drywell average air temperature shall be less than or equal to 145F.

APPLICABILITY: MODES 1, 2, and 3.

52
Q

What are the one hour, or less, actions associated with Technical Specification 3.6.5.5, Drywell Air Temperature?

A

NONE

53
Q

What is the LCO and APPLICABILITY of Technical Specification 3.6.5.6, Drywell Vacuum Relief System?

A

LCO: Two drywell vacuum relief subsystems shall be OPERABLE.

APPLICABILITY: MODES 1, 2, and 3.

54
Q

What are the one hour, or less, actions associated with Technical Specification 3.6.5.6, Drywell Vacuum Relief System?

A

NOTE***********
Enter the applicable Conditions and Required Actions of LCO 3.6.5.1, “Drywell, “ when inoperable drywell vacuum relief subsystem(s) result in exceeding overall drywell bypass leakage rate acceptance criteria.
**
*****************
NONE