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Amend 154 to License NPF-6,relocating Containment Isolation Valve Table from Containment Sys Spec to Plant Procedures,In Accordance W/Gl 91-08
	ML20059D594
Person / Time
Site:	Arkansas Nuclear
Issue date:	12/22/1993
From:	Beckner W; Office of Nuclear Reactor Regulation
To:	;
Shared Package
ML20059D597	List: ML20059D594; ML20059D599;
References
	GL-91-008, NPF-6-A-154 NUDOCS 9401100009
	Download: ML20059D594 (12)
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NUCLEAR REGULATORY COMMISSION A

- WASHWGTON, D.C. 20555 @ 01 7

ENTERGY OPERATIONS. INC.

f DOCKET NO. 50-368 ARKANSAS NUCLEAR ONE. UNIT NO. 2

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AMENDMENT TO FACILITY OPfRATING LICENSE I

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Amendment No.154 i

License No. NPF-6 i;

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The Nuclear Regulatory Comission (the Comission) has found that: _

A.

The application for amendment by Entergy Operations, Inc.-(the licensee) dated July 22, 1993, complies with the standards and requirements of.the_ Atomic Energy Act of 1954, as amended-(the'Act),.

and the Comission's rules-and regulations set.forth in _10 CFR 1

Chapter I, B.

The facility.will operate in conformity with the application,.the -

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provisions of-the Act, and the rules and regulations of the-Comission; 4

_ '(1).that the activities. authorized:

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There is reasonable assurance:

by this amendment can be conducted withoutcendangering the health and safety of the public, and (ii)_ that such activities will be

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conducted in compliance with the Comission's-regulations; D.

The issuance of this license amendment wili not be inimical.to' the" 1

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comon defer.3e and security or to tha health and. safety of-the i

public; and j

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The issuance of this amendment is in accordance with 10 CFR Part 511 of the Comission's regulations and all applicable requirements have been satisfied.

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.i 9402100009.931222 PDR ADOCK 05000368 P.

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Accordingly, the license is amended by changes to the Technical Specifications as indicated in the attachment to this license amendment, and Paragraph 2.C.(2) of Facility Operating License No. NPF-6 is hereby amended to read as.ollows:

2.

Technical Soecifications The Technical Specifications. contained in Appendix A, as revised through Amendment No.154, are hereby incorporateri in the license.

The licensee shall operate the facility in accordieace with the Technical Specifications.

3.

The license amendment is' effective 30 days from the date of issuance.

FOR THE NUCLEAR REGULATORY COMMISSION yjL). $W William D. Beckner, Director.

Project Directorate IV-I Division of Reactor Projects - III/IV/V Office of Nuclear Reactor Regulation

Attachment:

Changes to the Technical 1

Specifications Date of Issuance: December 22, 1993 i

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ATTACHMENT TO LICENSE AMENDMENT NO.154 FACILITY OPERATING LICENSE NO. NPF-6 DOCKET NO. 50-368 Revise the following pages of the Appendix "A" Technical Specifications with the attached pages. The revised pages are identified by Amendment number and contain vertical lines indicating the area of change. The corresponding-overleaf pages are also provided to maintain document completeness.

REMOVE PAGE INSERT PAGE VII VII 1-2 1-2 3/4 6-1 3/4 6-1 3/4 6-16 3/4 6-16 3/4 6-17 3/4 6-17 3/4 6-18 3/4 6-18 3/4 6-19 3/4 6-19 3/4 6-20 3/4 6-20 3/4 6-21 3/4 6-22 3/4 6-23 3/4 6-24 B 3/4 6-4 B 3/4 6-4 B 3/4 6-5 F

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INDEX d

l-LIMITING CONDITIONS FOR OPERATION AND SURVEILLANCE REQUIREMENTS SECTION PAGE 1

3/4.5.2 ECCS SUBSYSTEMS T

2 3 0 0' F.......................

3/4 5 3 avg 3/4.5.3 ECCS SUBSYSTEMS - T 5300*F.......................

3/4 5-6 avg 3/4.5.4 REFUELING WATER TANK..............=...................

3/4 5-7 3/4.6 CONTAINMENT SYSTEMS 3/4.6.1 PRIMARY CONTAINMENT Containment Integrity................................

3/4 6-1 Containment Leakage..................................

3/4 6 2 Containment Air Locks.................

3/4 6 4 Internal Pressure. Air Temperature and Relative Humidity..................................

3/4 6 6 Containment Structural Integrity.....................

3/4 6-8 Containment Ventilation System.......................

3/4 6 9a 3/4 6.2 DEPRESSURIZATION AND COOLING SYSTEMS Containment Spray System.............................

3/4 6-10 1

Sodium Hydroxide Addition System....................

3/4 6-12 i

i Containment Cooling System...........................

3/4 6-14 1

3/4.6.3 CONTAINMENT ISOLATION VALVES........................

.3/4 6-16.

3!4.6.4 COMBUSTIBLE GAS CONTROL Hydrogen Analyzers..................................

3/4 6 18 Electric Hydrogen Recombiners - W....................

3/4 6 Containment Recirculation System.....................

3/4 6 201 1

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l ARKANSAS - UNIT 2 VII Amendment No. 60 154 w

4 41.0 DEFINITIONS DEFINED TERMS 1.1 are applicable throughout these Technical Spect.*1 cations.

THERMAL POWER 1.2 the reactor coolant. THERMAL POWER shall be the total rea RATED THERMAL POWER 1.3 RATED THERMAL POWER shall be a total reactor core heat rate to the reactor coolant of 2815 MWt.

OPERATIONAL MODE - MODE 1.4 combination of core reactivity condition, power level coolant temperature specified in Table 1.1.

ACT10N 1.5 statements to each principle specification and shall be specifications.

OPERABLE - OPERABILITY 1.6 or have OPERABILITY when it is capable of performing function ll neces(s). Implicit in this definition shall be the assumption that a

sary attendant lectrical power sources, instrumentation, controls, normal and emergency e

cooling or seal water. lubrication or other uxiliary equipment that are required for the s a

omponent or device to perform its function (s) ystem subsystem, train, c

are also capable of erforming their related support function (s).

p ARKANSAS - UNIT 2 4,

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CONTAINMENT SYSTEMS 3 /4. 6. 3 CONTAINMENT ISOLATION VALVES LIMITING CONDITION OF OPERATION 3.6.3.1 Each containment isolation valve shall be OPERABLE.*

l APPLICABILITY:

MODES 1, 2, 3 and 4.

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ACTION:

With one or more isolation valve (s) inoperable, maintain at least one l-isolation valve OPERABLE in each affected penetration that is open and either:

a.

Restore the inoperable valve (s) to OPERABLE status within 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months , or b.

Isolate each affected penetration within 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months by use of at least one deactivated automatic valve secured in the isolation position, or Isolate the affected penetration within 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months by use of at c.

least one closed manual valve or blind flange; or d.

Be in at least HOT STANDBY within the next 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days 0.00833 hours 4.960317e-5 weeks 1.1415e-5 months .

SURVEILLANCE RE0VIREMENTS 4.6.3.1.1 Each containment isolation valve shall be demonstrated OPERABLE prior l

l to returning the valve to service after maintenance, repair or replacement work is performed on the valve or its associated actuator, control or power circuit by performance of a cycling test and verification of isolation time.

Locked or sealed closed valves may be opened on an intermittent basis under administrative control.

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ARKANSAS

'JNIT 2 3/4 6-16 Amendment No. 'L&1.144154 J

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CONTAINMENT SYSTEMS SURVEILLANCE REQUIREMENTS (Continued) 4.6.3.1.2 Each containment isolation volve shall be demonstrated OPERABLE l

during the COLD SHUTDOWN or REFUELING MODE at least once per 18 months by verifying that on a conteinment isolation test signal, each isolation valve actustes to its isolation position.

4.6.3.1.3 The isolation time of each power operated or automatic containment isolation valve shall be determined to be within its limit when tested pursuant to Specification 4.0.5.

4.6.3.1.4 Prior to exceeding conditions which require establishment of reactor building integrity per TS 3.6.1.1. the leak rate of the contain-ment purge supply and exhaust isolation valves shall be verified to be within acceptable limits per TS 4.6.1.2. unless the test has been successfully completed within the last three months.

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h ARKANSAS - UNIT 2-3/4 6-17 Amendment No. 46154 f

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CONTAINMENT SYSTEMS-3/4.6.4 COMBUSTIBLE GAS CONTROL HYOROGEN ANALYZERS

' LIMITING CONDITION FOR OPERATION 3.6.4.1 Two independent containment hydrogen analyzers shall be OPERABLE.

APPLICABILITY:

MODES I and 2.

ACTION:

With one hydrogen analyzer inoperable, restore the ' inoperable analyzer to OPERABLE status within 30 days or be in at least HOT STANDBY within the' next 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months .

SURVEILLANCE REQUIREMENTS i

4. 6. 4.1 Each hydrogen analyzer'shall be demonstrated OPERABLE at least once per 92 days on a STAGGERED TEST BASIS by performing a CHANNEL CALIBRATION using sample gases containing:

Zero volume percent hydrogen, balance nitrogen, and a.

b.

Four volume percent (nominal) hydrogen, balance nitrogen.

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l ARKANSAS - UNIT 2 3/4 6-18 Amendment No.154 (l

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i CONTAINMENT SYSTEMS ELECTRIC HYDROGEN RECOMBINERS - W LIMITING CONDITION FOR OPERATION 3.6.4.2 Two independent containment hydrogen recombiner systems shall be OPERABLE.

APPLICABILITY:

MODES 1 and 2.

ACTION:

With one hydrogen recombiner system inoperable, restore the inoperable system to OPERABLE status within 30 days or be in at least HOT STANDBY within the next 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months .

SURVEILLANCE REQUIREMENTS 4.6.4.2 Each hydrogen recombiner system shall be demonstrated OPERABLE:

a.

At least once per 6 months by verifying during a recombiner system functional test that the minimum heater sheath temper-ature increases to 2 700*F within 90 minutes and is maintained for at least 2 hours2.314815e-5 days 5.555556e-4 hours 3.306878e-6 weeks 7.61e-7 months .

b.

At least once per 18 months by:

1.

Performing a CHANNEL CALIBRATION of all recombiner instru-mentation and control circuits.

2.

Verifying through a visual examination that there is-no evidence of abnormal conditions within the recombiners (i.e., loose wiring or structural connections, deposits of

.1 foreign materials, etc.).

3.

Verifying during a recombiner system functional test that the heater sheath temperature increased to 21200*F within 5 hours5.787037e-5 days 0.00139 hours 8.267196e-6 weeks 1.9025e-6 months and is maintained for at least 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months .

4.

Verifying the integrity of the heater electrical circuits by performing a continuity and resistance to ground test following the above required. functional test.

The resist-ance to ground for any heater phase shall be 2 10.000-i ohms.

V ARKANSAS - UNIT 2.

3/4 6-19 Amendment No. 154 l-t

e CONTAINMENT SYSTEMS CONTAINMENT RECIRCULATION SYSTEM i

, LIMITING CONDITION FOR OPERATION 3.6.4.3 At least two independent containment recirculation fans shall i

be OPERABLE.

APPLICABILITY:

MODES 1 and 2.

t ACTION:

With only one containment re irculation f an OPERABLE, restore at least two independent fans to OPERABLE status within 30 days or be in at least HOT STANDBY within'the next 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months .

SURVEILLANCE REQUIREMENTS 4.6.4.3 Each of the above required contair. ment recirculation fans shall be demonstrated OPERABLE:

At least once per 92 days on a STAGGERED TEST BASIS by:

a.

1.

Verifying that the fan can be started on operator action in the control room, and 2.

Verifying that the fan operates for at least 15 minutes, b.

At least once per 18 months by verifying a flow rate of at least 4500 cfm per fan.

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ARKANSAS UNIT 2 3/4 6-20 Amendment No. 4154 l'

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CONTAINMENT SYSTEMS BASES The containment cooling system and the containment spray system are redundant to each other in providing post accident cooli,g of the i

containment atmosphere.

As a result of this redundancy in cooling capability, the allowable out-of-service time requirements for the containment cooling system have been appropriately adjusted.

However, the allowable out of service time requirements for the containment. spray system have been maintained consistent with that assigned other inoperable ESF equipment since the containment spray system also provides a mechanism for removing lodine from the containment atmosphere.

In addition of a biocide to the service wa.ev sys'cem is performed during containment cooler surveillance to prevcat buildup of-Asian clams in the coolers when service water is pumped through the cooling ' coils.

This is performed when service water temperature is between 60* F and 80* F since in this water temperature range Asian clams con spawn and produce larva which could pass through service water system strainers.

3/4.6.3 CONTAINMENT ISOLATION VALVES

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The OPERABILITY of the containment isolation valves ensures that the containment atmosphere will be isolated from the outside environment in the event of a release of radioactive material to the containment atmosphere or pressurization of the containment.

Containment isolation within the time limits specified ensures that the release of radioactive material to the environment will be consistent with the assumptions used in the analyses for a LOCA.

The containment isolation valves are listed in

'y Procedure 2203.005.

The opening of locked or sealed closed manual and deactivated automatic containment isolation valves on an intermittent basis under administrative control includes the following considerations:

(1) stationing'an operator, who is in constant communication with control room, at the valve controls.

(2) instructing the operator to close these valves in an accident situation, and (3) assuring that environmental conditions will not preclude access to close the valves and that this action will prevent the release of radioactivity outside containment.

3/4.6.4 COMBUSTIBLE GAS CONTROL The OPERABILITY of the equipment and systems required for the detection and control of. hydrogen gas ensures that this equipment will be-available to maintain the hydrogen concentration within containment below t

its flammable limit during post-LOCA conditions.

Either recombiner unit'is capable of controlling the expected hydrogen generation associated with'1)'

zirconium-water reactions, 2) radiolytic decomposition of water, and 3).

corrosion of metal within containment.

These hydrogen control systems are

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consistent with the recommendations of Regulatory Guide 1.7 " Control of Combustible Gas Concentrations in Containment Following a LOCA", March 1971.

ARKANSAS - UNIT 2 B 3/4 6-4 Amendment No. 44, 442154

b CONTAINMENT SYSTEMS BASES l

The containment recirculation units are provided to ensure adequate mixing of the containment atmosphere following a LOCA.

This mixing action will prevent localized accumulations of hydrogen from exceeding the flammable limit.

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I ARKANSAS UNIT 2 B 3/4 6-5 Amendment No. 154 l

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ML20059D594

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