ML021280527

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TRM-U2, Revision No. 011, Change No. AP-11, Technical Requirements Manual (Unit 2).
ML021280527
Person / Time
Site: Arkansas Nuclear Entergy icon.png
Issue date: 04/24/2002
From:
Entergy Operations
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
TRM-U2, Rev 011
Download: ML021280527 (15)
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Text

Arkansas Nuclear One - Administrative Services Document Control Wednesday, April 24, 2002 Document Update Notification COPYHOLDER NO: TRM-U2-102 TO: NRC ADDRESS: OS-DOCUMENT CONTROL, WASHINGTON, D.C. 20555 DOCUMENTNO: TRM-U2 TITLE: TECHNICAL REQUIREMENTS MANUAL (UNIT 2)

REVISION NO: 011 CHANGE NO: AP-11 SUBJECT. CONTROLLED DOCUMENT is checked, please sign, date, and return within 5 days.

[J ANO-1 Docket 50-313 E] ANO-2 Docket 50-368 Signature Date SIGNATURE CONFIRMS UPDATE HAS BEEN MADE RETURN TO:

ATTN: DOCUMENT CONTROL ARKANSAS NUCLEAR ONE 1448 SR 333 ýp 0)

RUSSELLVILLE, AR 72801

TECHNICAL REQUIREMENTS MANUAL REVISION 11 ARKANSAS NUCLEAR ONE, UNIT NO. 2 Manual with the Revise the following pages of the associated Technical Requirements attached pages.

REMOVE PAGES INSERT PAGES Index Pages ------------------.i-3 -

i-3 Technical Specifications Pages ---------------------.1.0 -2 1.0-2 2-1 -

2-1 3.1-1 -

3.1-1 3.1.4 -

3.1-4 3.1-6 -

3.1-6 3.1-8 -

3.1-8 3.1-9 -

3.1-9 3.1-10 -

3.1-10 -

3.3-7 3.3-7 -

6.9-1 6.9-1 B 3.1 B 3.1-1 B 3.1 ------------------.

BASES PAGE SECTION 3.9 REFUELING OPERATIONS 3.9-1 3.9.3 Decay Time ...........................................................................................

ADMINISTRATIVE CONTROLS PAGE SECTION PAGE 6.9 None i-3 Rev. 11 ANO-2 TRM

1.0 USE AND APPLICATIONS (continued) 1.0.4 Changes To The TRM the potential to affect Design modifications, procedure changes, license amendments, etc. have a License Based Document the TRM. If this occurs, the initiating department should complete are subject to the Change form for submitting changes to the TRM. TRM changes requirements of 10 CFR 50.59 due to the TRM being considered a part of the SAR and TRM will be issued on a replacement therefore a licensing basis document. Changes to the of the change in accordance with page basis to controlled document holders following approval site procedures on document control.

1.0.5 NRC Reporting Of TRM Revisions therefore do not Like the SAR, changes to the TRM are controlled under 10 CFR 50.59 and a change to the TS or the need for a require prior NRC approval unless the change involves The most recent revision of license amendment in accordance with 10 CFR 50.59 is required.

process.

the TRM will be sent to the NRC as part of the periodic SAR update 1.0.6 TS Applicability To The TRM that applies to the The TRM may reference a TS LCO or Surveillance Requirement (SR) will be preceded by "TS or Technical relocated information. All TRM references to the TS The 3.0 and 4.0 sections of the Specification" and then the associated specification number.

exemptions to the associated TS and their associated bases are applicable to the TRM. Any The defined terms in TS section 3.0 and 4.0 requirements will be listed in the associated TR.

TS section 1.0 are also applicable to the TRM.

1.0-2 Rev. 11 ANO-2 TRM

LIMITING SAFETY SYSTEM SETTINGS 2.2 LIMITING SAFETY SYSTEM SETTINGS REACTOR TRIP SETPOINTS with the Trip 2.2.1 The reactor protective instrumentation setpoints shall be set consistent Setpoint values shown in TRM Table 2.2-1.

APPLICABILITY: As shown for each channel in TRM Table 3.3-1 ACTION:

the value shown in the With a reactor protective instrumentation setpoint less conservative than and apply the Allowable Values column of TRM Table 2.2-1, declare the channel inoperable until the channel is applicable ACTION statement requirement of TRM Specification 3.3.1.1 with the Trip Setpoint restored to OPERABLE status with its trip setpoint adjusted consistent value.

TABLE 2.2-1 LIMITS REACTOR PROTECTIVE INSTRUMENTATION TRIP SETPOINT TRIP SETPOINT ALLOWABLE VALUE FUNCTIONAL UNIT

< 85.8% (1) <_86.5% (1)

Steam Generator Level - High TABLE NOTATION range level (1)  % of the distance between steam generator upper and lower narrow instrument nozzles.

2-1 Rev. 11 ANO-2 TRM

REACTIVITY CONTROL SYSTEMS FLOW PATHS - SHUTDOWN LIMITING CONDITION FOR OPERATION 3.1.2.1 As a minimum, one of the following boron injection flow paths shall be OPERABLE:

pump or

a. A flow path from the boric acid makeup tank via either a boric acid makeup a gravity feed connection and charging pump to the Reactor Coolant System if only the boric acid makeup tank in TRM Specification 3.1.2.7a is OPERABLE, or
b. The flow path from the refueling water tank via either a charging pump or a high pressure safety injection pump to the Reactor Coolant System if only the refueling water tank in TRM Specification 3.1.2.7b is OPERABLE.

APPLICABILITY: MODES 5 and 6.

ACTION:

CORE With none of the above flow paths OPERABLE, suspend all operations involving with boron ALTERATIONS or operations that could introduce into the RCS, coolant as applicable until concentration less than required by Technical Specification 3.1.1.2 or 3.9.1 at least one injection path is restored to OPERABLE status.

SURVEILLANCE REQUIREMENTS 4.1.2.1 At least one of the above required flow paths shall be demonstrated OPERABLE:

the

a. At least once per 7 days by verifying that the temperature of the flow path from discharge of the boric acid makeup tank to the suction of the charging pump is above 55 0F when a flow path from the boric acid makeup tanks is used.

or

b. At least once per 31 days by verifying that each valve (manual, power operated automatic) in the flow path that is not locked, sealed, or otherwise secured in position, is in its correct position.

il-i ANO-2 TRMTRM ýi.1-1

REACTIVITY CONTROL SYSTEMS CHARGING PUMPS - SHUTDOWN LIMITING CONDITION FOR OPERATION 3.1.2.3 At least one charging pump in the boron injection flow path required OPERABLE of being pursuant to TRM Specification 3.1.2.1 shall be OPERABLE and capable powered from an OPERABLE emergency bus.

APPLICABILITY: MODES 5 and 6.

ACTION:

ALTERATIONS or With no charging pump OPERABLE, suspend all operations involving CORE less than operations that could introduce into the RCS, coolant with boron concentration as applicable until at least one of the required by Technical Specification 3.1.1.2 or 3.9.1 required pumps is restored to OPERABLE status.

SURVEILLANCE REQUIREMENTS the Inservice 4.1.2.3 No additional Surveillance Requirements other than those required by Testing program.

. ,Rev. 11 ANO-2 I-RM

REACTIVITY CONTROL SYSTEMS BORIC ACID MAKEUP PUMPS - SHUTDOWN LIMITING CONDITION FOR OPERATION 3.1.2.5 At least one boric acid makeup pump shall be OPERABLE and capable of being the boric powered from an OPERABLE emergency bus if only the flow path through acid makeup pump in TRM Specification 3.1.2.1a above, is OPERABLE.

APPLICABILITY: MODES 5 and 6.

ACTION:

the flow path of TRM With no boric acid makeup pump OPERABLE as required to complete or operations that Specification 3.1.2.1a, suspend all operations involving CORE ALTERATIONS than required by Technical could introduce into the RCS, coolant with boron concentration less one boric acid makeup pump is Specification 3.1.1.2 or 3.9.1 as applicable until at least restored to OPERABLE status.

SURVEILLANCE REQUIREMENTS by the Inservice 4.1.2.5 No additional Surveillance Requirements other than those required Testing program.

3.1-6 Rev. 11 ANO-2 TRM

REACTIVITY CONTROL SYSTEMS BORATED WATER SOURCES - SHUTDOWN LIMITING CONDITION FOR OPERATION 3.1.2.7 As a minimum, one of the following borated water sources shall be OPERABLE:

a. One boric acid makeup tank with:
1. A minimum indicated tank level of 36%,
2. A boric acid concentration between 3.0 WT% and 3.5 WT%, and
3. A minimum solution temperature of 55°F.
b. The refueling water tank with:
1. A minimum indicated tank level of 7.5%,
2. A minimum boron concentration of 2500 ppm, and
3. A minimum solution temperature of 40°F.

APPLICABILITY: MODES 5 and 6.

ACTION:

involving CORE With no borated water sources OPERABLE, suspend all operations the RCS, coolant with boron ALTERATIONS or operations that could introduce into 3.1.1.2 or 3.9.1 as applicable until concentration less than required by Technical Specification at least one borated water source is restored to OPERABLE status.

SURVEILLANCE REQUIREMENTS OPERABLE:

4.1.2.7 The above required borated water source shall be demonstrated

a. At least once per 7 days by:
1. Verifying the boron concentration of the water,
2. Verifying the contained borated water volume of the tank, and than
3. Verifying the boric acid makeup tank solution temperature is greater 55°F.

when it is the source

b. At least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> by verifying the RWT temperature0 F.

of borated water and the outside air temperature is < 40 3.1-8 Rev. 11 ANO-2 TRM

Figure 3.1-1 Minimum Boric Acid Makeup Tank Volume as a Function of Stored BAMT Concentration and Refueling Water Storage Tank Concentration 1*...,.. .

0.MC,-3

=A AABLEEV OLUNvEF E-GION J

-100 IRWT ODNWNRA'rTO

-90

-80 2700 2800 2900 3000

- 70 0

E 0

.0 U

S

-60

[iUACCPTABLE VOLUME RGION I 0

e

-J 50 U

U

"-40

"-30

-20 I I I _____________________

3 3.05 3.1 3.15 32 3.25 3.3 3.35 3.4 3.45 3.5 2.95 (5425) (5600) (5775) (5950) (6125)

(5250)

Stored BAMT Concentration - Wt% Boric Acid (ppm Boron)

Rev. 11 ANO-2 TRM J.-I -w

REACTIVITY CONTROL SYSTEMS BORATED WATER SOURCES - OPERATING LIMITING CONDITION FOR OPERATION 3.1.2.8 Each of the following borated water sources shall be OPERABLE:

of 550 F.

a. At least one of the following sources with a minimum solution temperature TRM
1. One boric acid makeup tank, with the tank contents in accordance with Figure 3.1-1, or
2. Two boric makeup tanks, with the combined contents of the tanks in accordance with TRM Figure 3.1-1, and
b. The refueling water tank with:
1. An indicated tank level of between 91.7% and 100%,
2. Between 2500 and 3000 ppm of boron,
3. A minimum solution temperature of 40°F, and
4. A maximum solution temperature of 11 0°F.

APPLICABILITY: MODES 1, 2, 3 and 4.

ACTION:

the make up

a. With the above required boric acid makeup tank(s) inoperable, restore report to tank(s) to OPERABLE status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> or initiate a condition of document the condition and determine any limitations for the continued operation the plant.

Specification

b. With the refueling water tank inoperable, enter the action of Technical 3.5.4.

3.1-10 Rev. 11 ANO-2 TRM

INSTRUMENTATION METEOROLOGICAL INSTRUMENTATION LIMITING CONDITION FOR OPERATION 3.3.3.4 The meteorological monitoring instrumentation channels shown in TRM Table 3.3-8 shall be OPERABLE.

APPLICABILITY: At all times.

ACTION:

a. With one or more required meteorological monitoring channels inoperable for more than 7 days, immediately initiate a condition report to document the condition and determine any limitations for continued operation of the plant.
b. The provisions of Technical Specification 3.0.3 are not applicable.

SURVEILLANCE REQUIREMENTS 4.3.3.4 Each of the above meteorological monitoring instrumentation channels shall be demonstrated OPERABLE by the performance of the CHANNEL CHECK and CHANNEL CALIBRATION operations at the frequencies shown in TRM Table 4.3-5.

Rev. 11 ANO-2 TRM 3.3-1"

ADMINISTRATIVE CONTROLS 6.9 None

.. _Rev. 11 ANU-Z I KM

3.3 INSTRUMENTATION TRM BASES 3/4.1.2 BORATION SYSTEMS during each The boron injection system ensures that negative reactivity control is available mode of facility operations. The components required to perform this function include makeup

1) borated water sources, 2) charging pumps, 3) separate flow paths, 4) boric acid pumps, 5) an emergency power supply from OPERABLE diesel generators.

redundant With the RCS average temperature above 2000F, a minimum of two separate and capability in the event an boron injection systems are provided to ensure single functional periods assumed failure renders one of the systems inoperable. Allowable out-of-service undue risk ensure that minor component repair or corrective action may be completed without to overall facility safety from injection system failures during the repair period.

MARGIN from The boration capability of either system is sufficient to provide a SHUTDOWN in the CORE OPERATING LIMITS REPORT expected operating conditions of that specified 0 F. The maximum expected boration capability after xenon decay and cooldown to 200 requires boric acid requirement occurs at EOL from full power equilibrium xenon conditions and volumes of TRM solution from the boric acid makeup tanks in the allowable concentrations and water tank Specification 3.1.2.8 and a small fraction of the borated water from the refueling required in TRM Specification 3.1.2.8.

of borated water The requirement in TRM Specification 3.1.2.8 for a minimum available volume the RCS to the desired in the refueling water tank ensures the capability for borating concentration. The value listed is consistent with the plant ECCS requirements.

single With the RCS temperature below 200 F, one injection system is acceptable without 0

condition of the reactor and the failure consideration on the basis of the stable reactivity and positive reactivity change in the additional restrictions prohibiting CORE ALTERATIONS event the single injection system becomes inoperable.

The boron capability required below 200OF is based upon providing a sufficient SHUTDOWN 0 F. This condition requires either MARGIN after xenon decay and cooldown from 200OF to 140 acid makeup borated water from the refueling water tank or boric acid solution from the boric 3.1.2.7. The contained water tank(s) in accordance with the requirements of TRM Specification line location and volume limits includes allowance for water not available because of discharge other physical characteristics.

that this system The OPERABILITY of one boron injection system during REFUELING ensures is available for reactivity control while in MODE 6.

when mixed with The limits on water volume and boron concentration of the boric acid sources, recirculated the trisodium phosphate, ensures a long term pH value of Ž_7.0 for the solution and helps to within containment after a LOCA. This pH limit minimizes the evolution of iodine in containment during inhibit stress corrosion cracking of austenitic stainless steel components the recirculation phase following an accident.

-~ I~Pij 11 l,*V, l @

ANO-2 TRM I:s l-

3.1 REACTIVITY CONTROL SYSTEMS TRM BASES 3/4.1.2 BORATION SYSTEMS (continued) to meet the minimum SDM or Suspending positive reactivity additions that could result in failure Coolant added must boron concentration limit is required to assure continued safe operation.

for minimum SDM be from sources that have a boron concentration greater than that required RCS boron concentration, but or boron concentration. This may result in an overall reduction in changes provides acceptable margin to maintaining subcritical operation. Temperature with a positive MTC must also be evaluated to including temperature increases when operating ensure they do not result in a loss of required SDM.

B 3.1-2 Rev. 11 ANO-2 TRM

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