Text

Developmental Revision B - Technical Requirements Manual TR 3.1 - Reactivity Control Systems
	ML100550620
Person / Time
Site:	Watts Bar
Issue date:	02/02/2010
From:	; Tennessee Valley Authority
To:	; Office of Nuclear Reactor Regulation
References
	Download: ML100550620 (16)
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Boration Systems Flow Paths, Shutdown TR 3.1.1 TR 3.1 REACTIVITY CONTROL SYSTEMS TR 3.1.1 Boration Systems Flow Paths, Shutdown TR 3.1.1 One of the following boron injection flow paths shall be OPERABLE and capable of being powered from an OPERABLE emergency power source:

a. A flow path from an OPERABLE boric acid storage system, through the boric acid transfer pump, through a charging pump to the Reactor Coolant System (RCS), or

b. A flow path from an OPERABLE RWST through a charging pump to the RCS.

APPLICABILITY: MODES 4, 5, and 6.

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

For MODE 4, Technical Specification LCO 3.0.4.b is not applicable to ECCS high head (centrifugal charging) subsystem.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Boration Systems flow path A.1 Suspend CORE Immediately OPERABILITY ALTERATIONS.

requirements not met.

AND OR A.2 Suspend positive Immediately Boration Systems flow path reactivity additions.

not capable of being powered by an OPERABLE emergency power source.

Watts Bar - Unit 2 3.1-1 Technical Requirements (developmental) A

Boration Systems Flow Paths, Shutdown TR 3.1.1 TECHNICAL SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY TSR 3.1.1.1 -------------------------------NOTE------------------------------

Only required if the flow path from the boric acid storage tanks is required OPERABLE.

Verify temperature of the areas containing flow path 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months components from the boric acid tanks is > 63°F.

TSR 3.1.1.2 Verify, for the required OPERABLE flow path, that 31 days each manual, power operated, or automatic valve in the flow path that is not locked, sealed, or otherwise secured in position is in the correct position.

Watts Bar - Unit 2 3.1-2 Technical Requirements (developmental) A

Boration Systems Flow Paths, Operating TR 3.1.2 TR 3.1 REACTIVITY CONTROL SYSTEMS TR 3.1.2 Boration Systems Flow Paths, Operating TR 3.1.2 Two of the following three boron injection flow paths shall be OPERABLE:

a. One flow path from the boric acid tanks, through a boric acid transfer pump, through a charging pump to the Reactor Coolant System (RCS).

b. Two flow paths from the Refueling Water Storage Tank (RWST),

through charging pumps to the RCS.

APPLICABILITY: MODES 1, 2, and 3.

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

OR A.2.1 Be in MODE 3. 78 hours9.027778e-4 days 0.0217 hours 1.289683e-4 weeks 2.9679e-5 months AND A.2.2 Borate to a SDM 78 hours9.027778e-4 days 0.0217 hours 1.289683e-4 weeks 2.9679e-5 months equivalent to > 1% k/k at 200°F.

AND A.2.3 Restore required path to 246 hours0.00285 days 0.0683 hours 4.06746e-4 weeks 9.3603e-5 months OPERABLE status.

B. Required Action and B.1 Be in MODE 4. 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months associated Completion Time of Condition A not met.

Watts Bar - Unit 2 3.1-3 Technical Requirements (developmental) A

Boration Systems Flow Paths, Operating TR 3.1.2 TECHNICAL SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY TSR 3.1.2.1 -------------------------------NOTE------------------------------

Only required if the flow path from the boric acid tanks is required OPERABLE.

Verify temperature of the areas containing portions of 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months the required flow path from the boric acid tanks is

> 63°F.

TSR 3.1.2.2 Verify, for the required OPERABLE flow paths, each 31 days manual, power operated or automatic valve in the flow path that is not locked, sealed, or otherwise secured in position is in the correct position.

TSR 3.1.2.3 Demonstrate that each automatic valve in the flow 18 months path actuates to its correct position on an actual or simulated actuation signal.

TSR 3.1.2.4 Verify that the flow path from the boric acid tanks 18 months delivers > 35 gpm to the RCS.

Watts Bar - Unit 2 3.1-4 Technical Requirements (developmental) A

Charging Pump, Shutdown TR 3.1.3 TR 3.1 REACTIVITY CONTROL SYSTEMS TR 3.1.3 Charging Pump, Shutdown TR 3.1.3 One charging pump in the boron injection flow path required by TR 3.1.1 shall be OPERABLE and capable of being powered from an OPERABLE emergency power source.

APPLICABILITY: MODES 4, 5, and 6.

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

For MODE 4, Technical Specification LCO 3.0.4.b is not applicable to ECCS high head (centrifugal charging) subsystem.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Required charging pump A.1 Suspend CORE Immediately inoperable. ALTERATIONS.

OR AND Required charging pump A.2 Suspend positive Immediately not capable of being reactivity additions.

powered by an OPERABLE emergency power source.

TECHNICAL SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY TSR 3.1.3.1 Verify required charging pump's developed head at In accordance with the test flow point is > the required developed head. Inservice Testing Program Watts Bar - Unit 2 3.1-5 Technical Requirements (developmental) A

Charging Pumps, Operating TR 3.1.4 TR 3.1 REACTIVITY CONTROL SYSTEMS TR 3.1.4 Charging Pumps, Operating TR 3.1.4 Two charging pumps shall be OPERABLE.

APPLICABILITY: MODES 1, 2, and 3.

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

OR A.2.1 Be in MODE 3. 78 hours9.027778e-4 days 0.0217 hours 1.289683e-4 weeks 2.9679e-5 months AND A.2.2 Borate to a SDM 78 hours9.027778e-4 days 0.0217 hours 1.289683e-4 weeks 2.9679e-5 months equivalent to > 1% k/k at 200°F.

AND A.2.3 Restore required 246 hours0.00285 days 0.0683 hours 4.06746e-4 weeks 9.3603e-5 months charging pump to OPERABLE status.

B. Required Action and B.1 Be in MODE 4. 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months associated Completion Time of Condition A not met.

Watts Bar - Unit 2 3.1-6 Technical Requirements (developmental) A

Charging Pumps, Operating TR 3.1.4 TECHNICAL SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY TSR 3.1.4.1 Verify required charging pump's developed head at In accordance with the test flow point is > the required developed head. Inservice Testing Program Watts Bar - Unit 2 3.1-7 Technical Requirements (developmental) A

Borated Water Sources, Shutdown TR 3.1.5 TR 3.1 REACTIVITY CONTROL SYSTEMS TR 3.1.5 Borated Water Sources, Shutdown TR 3.1.5 One of the following borated water sources shall be OPERABLE as required by TR 3.1.1:

a. A Boric Acid Storage System, or

b. The Refueling Water Storage Tank (RWST).

APPLICABILITY: MODES 4, 5, and 6.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Required borated water A.1 Suspend CORE Immediately source inoperable. ALTERATIONS.

AND A.2 Suspend positive Immediately reactivity additions.

Watts Bar - Unit 2 3.1-8 Technical Requirements (developmental) A

Borated Water Sources, Shutdown TR 3.1.5 TECHNICAL SURVEILLANCE REQUIREMENTS

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

1. TSR 3.1.5.1, TSR 3.1.5.2 and TSR 3.1.5.3 are only required to be performed if the RWST is the required borated water source.

2. TSR 3.1.5.4, TSR 3.1.5.5 and TSR 3.1.5.6 are only required to be performed if the Boric Acid Storage System is the required borated water source.

SURVEILLANCE FREQUENCY TSR 3.1.5.1 -------------------------------NOTE------------------------------

Only required when ambient air temperature is

< 60°F.

Verify RWST solution temperature is > 60°F. 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months TSR 3.1.5.2 Verify RWST boron concentration is > 3,100 ppm. 7 days TSR 3.1.5.3 Verify RWST borated water volume is 7 days

> 62,900 gallons.

TSR 3.1.5.4 Verify Boric Acid Tank (BAT) solution temperature is 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months

> 63°F.

TSR 3.1.5.5 Verify BAT boron concentration is > 6,120 ppm and 7 days 6,990 ppm.

TSR 3.1.5.6 Verify BAT borated water volume is > 5,300 gallons. 7 days Watts Bar - Unit 2 3.1-9 Technical Requirements (developmental) A

Borated Water Sources, Operating TR 3.1.6 TR 3.1 REACTIVITY CONTROL SYSTEMS TR 3.1.6 Borated Water Sources, Operating TR 3.1.6 The following borated water sources shall be OPERABLE as required by TR 3.1.2:

a. A Boric Acid Storage System, and

b. The Refueling Water Storage Tank (RWST).

APPLICABILITY: MODES 1, 2, and 3.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Required Boric Acid A.1 Restore Boric Acid 72 hours8.333333e-4 days 0.02 hours 1.190476e-4 weeks 2.7396e-5 months Storage System inoperable. Storage System, to OPERABLE status.

OR A.2.1 Be in MODE 3. 78 hours9.027778e-4 days 0.0217 hours 1.289683e-4 weeks 2.9679e-5 months AND A.2.2 Borate to a SDM 78 hours9.027778e-4 days 0.0217 hours 1.289683e-4 weeks 2.9679e-5 months equivalent to 1% k/k at 200°F.

AND A.2.3 Restore Boric Acid 246 hours0.00285 days 0.0683 hours 4.06746e-4 weeks 9.3603e-5 months Storage System to OPERABLE status.

B. Required Action and B.1 Be in MODE 4. 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months associated Completion Time of Condition A not met.

(continued)

Watts Bar - Unit 2 3.1-10 Technical Requirements (developmental) A

Borated Water Sources, Operating TR 3.1.6 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME C. RWST boron concentration C.1 Restore RWST to 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months not within limits. OPERABLE status.

OR RWST borated water temperature not within limits.

D. RWST inoperable for D.1 Restore RWST to 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months reasons other than OPERABLE status.

Condition C.

E. Required Action and E.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 C or D AND not met.

E.2 Be in MODE 4 with one 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months or more RCS cold leg temperatures < 310°F.

TECHNICAL SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY TSR 3.1.6.1 -------------------------------NOTE------------------------------

Only required when outside air temperature is

< 60°F or >105°F.

Verify RWST solution temperature is 60°F and 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months 105°F.

TSR 3.1.6.2 Verify RWST boron concentration is 3,100 ppm 7 days and 3,300 ppm.

(continued)

Watts Bar - Unit 2 3.1-11 Technical Requirements (developmental) A

Borated Water Sources, Operating TR 3.1.6 TECHNICAL SURVEILLANCE REQUIREMENTS (continued)

SURVEILLANCE FREQUENCY TSR 3.1.6.3 Verifiy RWST borated water volume is 7 days 370,000 gallons.

TSR 3.1.6.4 -------------------------------NOTE------------------------------

Only required if the BAT is required OPERABLE.

Verify Boric Acid Tank (BAT) solution temperature is 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months 63°F.

TSR 3.1.6.5 -------------------------------NOTE------------------------------

Only required if the BAT is required OPERABLE.

Verify BAT boron concentration is in accordance with 7 days Figures 3.1.6A, 3.1.6B, and 3.1.6C.

TSR 3.1.6.6 -------------------------------NOTE------------------------------

Only required if the BAT is required OPERABLE.

Verify BAT borated water volume is in accordance 7 days with Figures 3.1.6A, 3.1.6B, and 3.1.6C.

Watts Bar - Unit 2 3.1-12 Technical Requirements (developmental) B

Borated Water Sources, Operating TR 3.1.6 TECHNICAL REQUIREMENTS FIGURE 3.1.6A BORIC ACID TANK LIMITS BASED ON RWST BORON CONCENTRATION Level 1 RWST Concentration 11500 I I I I I I I I

,I REGION OF ACCEPTABLE OPERATION 1 CI) z o

...J

~1000

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REGION OF UNACCEPTABLE OPERATION J is I ~iJI z

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IE I I I I I I i 8500 -

I I II Indicated values include additional 1,91 0 gal compensation for Z unusablevol, instrument error, and conservatism.

i liliiii 8000 6000 6100 6200 6300 6400 6500 6600 6700 6800 6900 7000 7100 CONCENTRATION IN BAT - PPM BORON RWST Concentration

-+-2700 ppm B -2800 ppm B ~2900ppm B I Watts Bar - Unit 2 3.1-13 Technical Requirements (ae~VeIOClmE~ntcal B

Borated Water Sources, Operating TR3.1.6 TECHNICAL REQUIREMENTS FIGURE 3.1.68 BORIC ACI D TAN K LIMITS BASED ON RWST BORON CONCENTRATION Level 2 RWST Concentration 11500 I I I I I I

,

(J) I REGION OF ACCEPTABLE OPERATION I z

o j1000

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REGION OF UNACCEPTABLE OPERATION I

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..........H6120ppm MINIMUM I [6990oom MAXIMUM )

i III II III

III

I i S500 Indicated values include additional 1,910 gal compensation for

~ unusablevot instrument error, and conservatism.

E 8000 6000 6100 6200 6300 6400 6500 6600 6700 6800 6900 7000 7100 CONCENTRATION IN BAT

PPM BORON R.WST Concentration

-+-3100 ppm B _3200 ppm B .....-3300 ppm B I Watts Bar - Unit 2 3.1-14 Technical Requirements {aE~veIOrJ~mE~nt;tU

Borated Water Sources, Operating TR 3.1.6 TECHNICAL REQUIREMENTS FIGURE 3 1.6C BORIC ACI D TAN K LIMIT S BASED ON RWST BORON CONCENTRA rlON Level 3 RWST Concentration I I I I I I I II

[ REGION OF ACCEPTABLE OPERATION ]

I I I I z

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RWST =3600 ppm B I o

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W I-9000 II REGION OF UNACCEPTABLE OPERATION

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r--.. H6120pptll MINIMUM I [ 6990 f

I z 8500 . . . II I ppm MAXIMUM I I I

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i Indicated values include additional 1,91 0 gal compensation for unusablevol, instrument error, and conservatism.

I-- ~ p.-

8000 I 6000 6100 6200 6300 6400 6500 6600 6700 6800 6900 7000 7100 CONCENTRATION IN BAT - PPM BORON RWST Concentration

--.-3600 ppm B _3700 ppm B ........ 3800 ppm B I Watts Bar - Unit 2 3.1-15 Technical Requirements (aE~Ve~IOI)men'[all B

Position Indication System, Shutdown TR 3.1.7 TR 3.1 REACTIVITY CONTROL SYSTEMS TR 3.1.7 Position Indication System, Shutdown TR 3.1.7 The group demand position indicators shall be OPERABLE and capable of determining within +/- 2 steps the demand position for each shutdown or control rod that is not fully inserted.

APPLICABILITY: MODES 3, 4, and 5, when the reactor trip breakers are closed.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. One or more group demand A.1 Open reactor trip Immediately position indicators breakers.

inoperable.

TECHNICAL SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY TSR 3.1.7.1 Determine that each group demand position indicator Within 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months after is OPERABLE by movement of the associated closing the reactor shutdown or control rod 10 steps in any one trip breakers if not direction. completed within previous 31 days.

AND 31 days thereafter Watts Bar - Unit 2 3.1-16 Technical Requirements (developmental) A

ML100550620

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