Text

Rev 2 to ISI-P-008, Inservice Test Program
	ML20235E091
Person / Time
Site:	Vogtle
Issue date:	06/25/1987
From:	; GEORGIA POWER CO.
To:	;
Shared Package
ML20235E087	List: ML20235E084; ML20235E091;
References
	ISI-P-008, ISI-P-8, NUDOCS 8707100417
	Download: ML20235E091 (151)
	v • d • e

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VOGTLE ELECTRIC GENERATING PLANT g(~)/

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UNIT 1 INSERVICE TEST PROGRAM ISI-P-008 REVISION 2

SUMMARY

OF CHANGES Pages 2-4, 2-5, 2-8,

- Relief Request PR-4 was added to the 2-10, and 3-4 Program.

This relief request discusses the' location of vibration instruments on various pumps.

Page 3-2

- A note was added to Relief Request PR-2 to indicate that Supplement No. 6 of the Safety Evaluation Report requires that instruments to measure the Code -

required flow rate be installed before restart following the first refueling outage.

Page 3-3

- The range on the pressure gauges was changed from "O psi to 15 psi" to

" 15 psi to 15 psi" to indicate the ranges on the installed instruments.

t

'N Pages 4-7 and 5-3

- Deleted reference to F.R-3 on valves PV-0455A and PV-456A.

On Relief i

Request RR-3, the reference to valves 1201-PV-0455A and 1201-PV-0456 was deleted in order to make RR-3 generic.

Pages 4-22 and 6-35

- Cold Shutdown Justification CS-35 was written to allow testing of valves 1205-HV-8716A and 1205-HV-8716B to be performed on a cold shutdown frequency.

Pages 4-23 and 6-36

- Cold Shutdown Justification CS-36 was written to allow testing of valves 1205-U6-001 and 1205-U6-002 to be performed on a cold shutdown frequency.

The closed safety postion was also i

added to these valves.

Reverse flow closure will be verified quarterly.

3 Pages 4-23 and 6-37

- Cold Shutdown Justification CS-37 was written to allow quarterly partial-stroke testing and full-stroke

{

testing during cold shutdown of valves 1205-U6-009 and 1205-U6-010.

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8707100417 870625 PDR ADOCK 05000424 PDR p

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Pages 4-23

- The program was also changed to c'.elete

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the closed safety position for valves 1205-U6-009 and 1205-U6-010.

These valves are not required to close to perform a safety function.

It should

)

be noted that valves FV-0610 and

- 1 FV-0611 are normally open and, as such, allow flow to-the suction side of the pumps regardless of the position of-check valves 1205'-U6-009 and i

1205-U6-010.

i Pages 4-25 and 5-26

- Relief Request RR-26 was written to request relief from using mechanical exercisers to test the spray additive tank vacuum breaker valves Pages 4-27 and 6-38

- Cold Shutdown Justification CS-38 was written to allow testing of valves HV-8508A and HV-8508B during cold shutdown.

i Pages 4-28 and 5-16

- The program was changed to indicate quarterly forward-flow-operability testing for valve 1208-U6-032 on the

-i tables on page 4-28 and in RR-16 on

(~'

page 5-16.

This change was made to

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clarify the test requirements for this valve. Relief is not being requested from forward-flow-operability testing.

Pages 4-29 and 6-34

- Cold Shutdown Justification CS-34 was written to allow full-stroke testing of valves 1208-U4-284 and 1208-U4-299 during cold shutdown and partial-stroke testing during the quarterly pump tests.

Page 4-43

- The program was changed to indicate the quarterly reverse-flow-closure testing of valves 1302-U4-113, 1302-U4-114, l

1302-U4-115, and 1302-U4-116.

Cold shutdown Justification CS-32 discusses this testing.

l Pages 4-44 and 6-33

- Cold Shutdown Justification CS-33 was written to allow testing of valves 1302-U4-125, 1302-U4-126, 1302-U4-127, and 1302-U4-128 to be performed on a cold shutdown frequency.

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/N Pages 4-54

- The program was ; hanged to indicate

(_)s that valves 1592-U4-186 and 1592-U4-187 are normally closed and that their safety position is open.

Trains A and B of the safety-related chiller system are independent and, as such, are incapable of reverse flow through the check valves from one train to the other.

Pages 4-60

- An editorial change indicating a P&ID revision which relocated valves HV-9378 and 2420-U4-049 to P&ID 1X4DB186-4.

Page 4-61

- The program was changed to indicate that valves HV-8208, HV-8209, HV-8211, and HV-8212 are normally closed instead of normally opan.

Valves HV-8211 and HV-8212 have been replaced with 1.00 in. valves.

Pages 5-1, 4-5, 4-6,

- Relief Request RR-1 was withdrawn per 4-7, 4-11, 4-12, 4-13, Supplement No. 6 of the Safety 4-24, 4-26, 4-27, Evaluation Report.

References' to RR-1 4-28, 4-33, 4-34, were deleted from the valve tables 4-35, 4-36, 4-41, where appropriate.

("T 4-45, 4-49, 4-50 t_/

4-57, 4-60 s

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O SOUTHERN COMPANY SERVICES INSPECTION, TESTING, AND ENGINEERING SECTION FOR GEORGIA POWER COMPANY ISI-P-008 INSERVICE TEST PROGRAM VOGTLE ELECTRIC GENERATING PLANT j

UNIT 1 t

SCS GPC SUPT REV DATE DESCRIPTION PREP'D REV'D DEPT REV'D PLANT GEN BY BY BY ENG MGR ff3f h

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DISTRIBUTION LIST

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MANUAL

. HOLDER NUMBER 1

2 3

J.

J. Churchwell 4

5 J.

A.

Caudill 6

7 W.

F.

Kitchens 8

9 10 R.

T.

Oedamer 11 12 13 C.

B.

Poteate 14 15 16 17 B."R. Quick 18 19 P.

R.

Bemis 20

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L. C. Gucwa-H. A.

Jaynes S. A.

Phillips 24 T.

H.

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0177n REV 2 l

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(~N INSERVICE TEST PROGRAM

~U VOGTLE ELECTRIC GENERATING PLANT UNIT 1 Table of Contents Section Page Introduction..........................................

1-1 Pumps.................................................

2-1 Pump Relief Requests..................................

3-1 Valves................................................

4-1 Valve Relief Requests.................................

5-1 Valve Cold Shutdown Justifications....................

6-1 f

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0177n REV O

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1.0 INTRODUCTION

jd 1.1 GENERAL The Inservice Testing Program is written and presented in 3

accordance with the requirements of the Code of Federal Regulations 10 CFR 50.55a(g).

This document provides a description of the inservice testing program for Vogtle Electric Generating Plant, Unit 1 (VEGP-1), for safety-related ASME Boiler and Pressure Vessel Code Class 1, 2, and 3 pumps and valves in accordance with the requirements of subsections IWP and IWV of the ASME Boiler and Pressure Vessel Code,Section XI, 1983 Edition through the Summer 1983 Addenda.

This program is referenced by VEGP-1 plant Technical Specification 4.0.5.

1.2 EFFECTIVE PERIOD This document shall go into effect beginning with baseline testing to establish reference data and shall then remain in effect through the first 120-month interval of commercial operation.

1.3 PROGRAM REVISIONS As a minimum, this program will be reviewed and revised as necessary for compliance with the ASME Code in effect 12 months prior to the end of the first 120 months of commercial operation.

Similarly, this program will be reviewed and revised for each subsequent 120-month interval.

Georgia Power Company reserves the right to submit program revisions which may enhance or improve this pump and valve testing program at any time within the effective period.

1.4 GENERAL PROGRAM CONCEPT The program specifiesSection XI testing requirements for components providing, either by action or position, a safety-related function.

By definition, a safety-related function is one that is used in:

a.

Mitigating the consequences of an accident.

b.

Shutdown of the reactor to the cold shutdown condition.

c.

Maintaining the reactor in a safe shutdown condition, o

1-1 REV O 0177n

1

'f Section XI requires quarterly testing of all components unless it is impractical to do so.

This program specifies quarterly testing of pumps and valves unless it has been determined that such testing would:

a.

'Be impractical due to system or component design.

b.

Render a. safety-related system inoperable.

c.

.Cause a reactor or turbine trip.

d.

Require significant deviations from normal plant operations.

e.

Require entry into inaccessible plant areas.

f.

Increase the possibility of an intercystem LOCA.

Each component excluded from quarterly testing has been analyzed to determine when appropriate testing may be performed.

If operation of a valve is not practical during plant operation, the Code allows part-stroke exercising during normal plant operation and full-stroke exercising at cold shutdown.

Since the Code accepts cold shutdown testing, this program does not request relief for those valves for which testing is_ delayed until cold shutdown.

The Program does, provide a justification O'

for delay of testing until cold shutdown.

These justifications are prepared in a format similar to relief requests, and are located behind the Cold Shutdown Justification tab.

Where it has been determined that testing is not practical during plant operation, or at cold shutdown, a specific relief

-request has been prepared.

Each specific relief request provides. justification for not performing the Code-specified tests, and provides appropriate alternative testing.

In addition to specific relief requests, general relief requests which address specific Code requirements found to be impractical for this site have been prepared.

Relief requests are located behind the Relief Requests tab.

1.5 DEFINTIONS Terms below, when used in the Inservice Testing Program, are defined as follows:

Quarterly:

An interval of 92 days for testing components which can be tested during normal plant operation.

Cold Shutdown:

Testing scheduled for cold shutdown will commence no later than 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> after entering cold shutdown.

Testing will continue until all tests are complete or the plant is ready to 1-2 REV O Ol?7n

(^T return to power.

Completion of all testing is

(_/

not a prerequisite to return to power.

Testing not completed at one cold shutdown will be performed during subsequent cold shutdowns that may occur before the refueling outage.

In case of frequent cold shutdowns, valve testing will not be performed more often than once every 3 months.

The 48-hour interval need not hold for planned cold shutdowns when their duration is of sufficient time to accomplish all shutdown testing.

Refueling:

Testing scheduled for refueling will be performed during the normal scheduled refueling shutdowns before returning to power operation.

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2.0 PUMPS The following Pump Test List describes the inservice /preservice testing of pumps subject to the requirements of Subsection IWP of the American Society of Mechanical Engineers (ASME) Code,Section XI, 1983 Edition through Summer 1983 Addenda.

The l

edition and addenda of Section XI for the inservice testing will be as required by 10 CFR 50.55a.

The Pump Test List provides identification of the pumps to be tested, inservice inspection (ISI) class, reference drawings, test requirements, and frequency of the tests.

The legends before the Pump Test List describe the alpha coding used in the list.

Relief from the testing requirements of Section XI is requested where full compliance with the requirements of the code is not practical.

In such cases the Pump Test List refers to a specific pump relief request (PR) number for the appropriate pump.

The relief request provides specific information which identifies the applicable code requirements, the justification for the relief request, and the testing to be used as an alternate.

The baseline testing of pumps will be performed during preoperational testing or during the first surveillance test run.

Reference values for subsequent inservice testing will be obtained from these baseline tests.

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2-1 REV O Ol77n

LEGEND FOR HEADINGS Pump I.D. No.

- Unique Pump Identification Number ISI Class

- The Classification as Determined for Section XI Project Class

- The Classification as Determined by the Vogtle Project P&ID/ Sheet Number - Piping and Instrumentation Diagram on which pump is shown.

Coordinates

- Location on P&ID where pump is shown.

Pump Descriptions - Functional name of pump.

Relief Req

- Applicable relief request numbers are indicated with a "PR" prefix.

Notes

- Notes are located behind the last Pump Test List.

LEGEND FOR PUMP PARAMETERS Pi - Inlet pressure (psig)

Po - Outlet pressure (psig) dP - Differential pressure dP = Po-Pi (psi)

Q

- Flowra'e (gal / min)

O.

V

- Vibration amplitude (mil)

T

- Bearing temperature (*F)

LL - Lubricant level or pressure N

- Speed (rpm)

FR - Pump Relief Request f

LEGEND FOR FREQUENCY OF TEST Q

- Quarterly A

- Annually N/A - Not applicable

- Test deleted, see Relief Request

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RELIEF REQUEST PR-1 PUMPS:

All pumps except the NSCW and NSCW Transfer i

CLASS:

2 and 3 f

TEST REQUIREMENTS:

IWP-3300 requires'a bearing temperature measurement at least once a year.

BASIS FOR RELIEF:

The once-a-year temperature measurement will not provide significant information about pump conditions.

Industry experience has shown that bearing temperature changes caused by degrading bearings occur only after major degradation has occurred at the pump.

Prior tofthis, the vibration measurement would provide the necessary information to warn the operator of an impending malfunction.

The long-running time O-required to achieve temperature stability could result in increased maintenance and repair.

Deletion of this measurement will not have significant affect on evaluating pump test results since other. required test parameters are being measured.

i ALTERNATE TESTING:

Vibrati'on anplitude will-be measured quarterly as required by Code.

3-1 REV 1 0177n-

('~N)

RELIEF REQUEST a

PR-2 PUMPS:

Boric acid transfer pumps (1-1208-P6-006 and 1-1208-P6-007)

CLASS:

3 TEST REQUIREMENTS:

IWP-3100 requires that the resistance of the system be varied until either the measured differential pressure or the measured flow rate equals the corresponding reference value.

BASIS FOR RELIEF:

Relief is requested from varying the system and measuring the reference value flow rates during quarterly pur.p

{

tests.

The plant does not have permanent flow rate measuring instruments.

The boric acid transfer pumps are tested by using a recirculation flow path which takes suction from the boric acid storage tank and discharges through flow l")N orifice FO-10117 while returning to j

(_

the boric acid storage tank.

This is a " fixed" resistance flow path and not j

a " variable" resistance flow path.

{

During preoperational testing the flow j

rate from pumps 1-1208-P6-006 and 1-1208-P6-007 was measured to be 30.5 gpm and 31.5 gpm, respectively.

This establishes the reference value flow rates for these pumps with their corresponding differential pressure measurements.

During inservice j

testing pump degradation would be detected by changes in differential pressure and flow rate measurements would be unnecessary.

ALTERNATE TESTING:

The boric acid transfer pumps will be tested quarterly and differential pressure measurements will be recorded and evaluated to the Code requirements.

NOTE:

Supplement No.

6, dated March 1987, of the Safety Evaluation Report requires.that instruments which measure j

,-)

the Code-required flow rate be installed before restart i,

j following the first refueling outage.

0177n 3-2 REV 2

(~)

RELIEF REQUEST L.j' PR-3 PUMPS:

Boric acid transfer punps (1-1208-P6-006 and 1-1208-P6-007)

CLASS:

3 TEST REQUIREMENTS:

IWP-4120 states "The full-scale range of each instrument shall be three times the reference value or less."

BASIS FOR RELIEF:

Suction pressure gauges PI-10115 and PI-10116 on the boric acid transfer pumps have a range of -15 psi to 15 l

psi.

The suction pressure measurements taken during preoperational testing were between 2 and 3 psi.

Therefore, the maximum full scale range of the gauge would have to be from 0 to 6 or 9 psi to be within Code requirements.

These instruments are within the accuracies of Table IWP-4110-1.

Considering the

(^}

low pressures involved, the difference N-between the Code ranges and the range on the installed instruments would have no significance on the adequacy of the measurements taken.

i ALTERNATE TESTING:

The installed instruments will be used for taking suction pressure measurements during pump tests.

ID V

0177n 3-3 REV 2

'/'

RELIEF REQUEST

(

PR-4 PUMPS:

Component cooling water pumps (1-1203-P4-001 through -006), safety injection pumps (1-1204-P6-003 and

-004), CVCS centrifugal charging pumps (1-1208-P6-002 and -003), and auxiliary feedwater pumps (1-1302-P4-001, 002, and -003)

CLASS:

2 and 3 TEST REQUIREMENTS:

IWP 4510 requires that the direction of vibration measurements be in the horizontal or vertical direction.

BASIS FOR RELIEF:

Each of these pumps has two permanently-mounted vibration transducers (or pickups) installed 45 from the vertical and 90 from each other.

Both transducers are used in the quarterly pump testing.

Any increase in pump vibration in either

(^}

the horizontal or vertical direction is

(/

detected by both transducers.

ALTERNATE TESTING:

Vibration amplitude will be measured quarterly using both permanently-installed transducers.

0177n 3-4 REV 2

i 4.0 VALVES The following Valve Test List describes the inservice /preservice testing of valves subject to the requirements of Subsection IWV of the ASME Code,Section XI, 1983 Edition with Addenda through Summer 1983.

The Valve Test List provides the identification of the valves to be tested, ISI class, valve categories, type, size, and actuator.

Also listed are the normal position, fail position, eafety position, active or passive, description, test requirements, and frequency of tests.

The legends before the Valve Test List describe the alpha coding used in the list.

Relief from the testing requirements of Section XI is requested where full compliance with the requirements of the Code is not prac*.ical.

In such cases the Valve Test List refers to a specific valve relief request (RR) number for the appropriate valves.

The relief request provides specific information which identifies the applicable code requirements, justification for the relief request, and testing to be used as an alternate.

Valves are full-stroke exercised quarterly, during cold shutdown, or during refueling.

Valves are full-stroke exercised except when valve design or system conditions do not permit it during quarterly or cold shutdown testing.

When full-stroke exercising is not performed a basis is provided in the applicable " Relief Request" or " Cold Shutdown Justification".

O Partial-stroke exercising is performed when practical on valves where full-stroke exercising is not performed.

Valves which receive partial-stroke exercising are addressed in the applicable " Relief Request" or " Cold Shutdown Justification".

Each valve, following installation and prior to service, will receive a baseline test.

These tests will be conducted under conditions similar to those to be experienced during subsequent inservice tests.

Safety and relief valves which will be removed and bench tested during subsequent inservice tests need not be installed prior to the baseline testing.

O U

4-1 REV O Ol79n

~

LEGEND FOR HEADINGS Valve No.

- Unique valve identification number.

ISI Class

- The classification as determined for Section XI.

Project Class

- The classification as determined by the Vogtle Project.

P&ID (coord.)

- Piping and Instrumentation Diagram on which valve is located.

Location on P&ID where valve is shown is indicated as the coordinates (Coord.).

Valve Cat.

- Categcry of valve as defined in IWV-2200.

Valve Size

- Nominal pipe size diameter of the valve.

Valve Type

- Type of valve (i.e.,

check, globe, gate)

Act Type

- Type of valve actuator (i.e.,

motor,

\\

air)

Norm. Position

- The normal position of the valve (i.e, open, closed)

Fail Position

- The position to which the valve travels upon a loss of actuator power or air.

1 Safety Position

- The postion of the valve when it performs its safety-related function.

Act. or Pass.

- Valve function categorized as active (act.) or passive (pass.) as defined in IWV-2100.

Active valves are indicated with an "A".

Passive valves are indicated with a "P".

Relief Req. or C.S.

Just. - Applicable relief request numbers are indicated with a "RR" prefix.

Applicable cold shutdown justification numbers are indicated with a "CS" prefix.

4-2 REV O Ol79n

'I'T Description

- Brief description of valve function

(-)

or location.

Notes

- Notes are located behind the last valve test list.

LEGEND OF VALVE TYPE A

- Angle Valve B

- Butterfly Valve CK

- Check Valve D'

- Diaphragm Valve GA

- Gate Valve GL

- Globe Valve SR

- Safety or Pressure Relief Valve LEGEND OF VALVE ACTUATOR TYPE AO

- Air Operated ES

- Solenoid H

- Hydraulic Operated M

- Manual MO

- Motor Operated S

- Self Actuating N

EH

- Electrohydraulic LEGEND OF VALVE POSITIONS:

NORMAL, FAIL, OR SAFETY AI

- As Is C

- Close 0

- Open j

N/A

- Not Applicable j

O/C

- Open or Close LEGEND FOR FREQUENCY OF TEST Q

- Quarterly R

- Refueling T

- Per table IWV-3510-1 Y

- 2 years i

CS

- Cold shutduwn PQRM - Partial stroke test exercised quarterly.

Valve disassembled during refueling and manual stroke test exercised.

/"%

4-3 REV O Ol79n

('/i RM

- Valve disassembled during refueling and manually stroke N-test exercised.

PQR

- Partial stroke test exercised quarterly and full stroke test exercised during refueling.

PQCS - Partial stroke test exercised quarterly and full stroke test exercised during cold shutdown.

PCS

- Partial stroke test exercised during cold shutdown.

- Test deleted, see Relief Request.

LEGEND FOR VALVE CATEGORIES Category Description A

- Valves for which seat leakage is limited to a specific maximum amount in the closed position for fulfillment of their function.

B

- Valves for which seat leakage in the closed position is inconsequential for fulfillment of their function.

C

- Valves which are self-actuating in response to some system characteristic.

D

- Valves which are actuated by an energy source capable of only one operation, such as rupture discs on

_(T explosive-actuated valves.

Note:

VEGP's design does not Kl include such valves.

AC

- Valves which are both Category A and C.

LEGEND FOR VALVE TESTING REQUIREMENTS PI

- Position indication verification, every 2 years per IWV-3300.

ET

- Exercise test of Category A and B valves, quarterly per IWV-3411.

Safety relief valves tested according to Table-3510-1 per IWV-3511.

Check valve exercise test, quarterly per IWV-3520.

ST

- Stroke time of Category A and B valves, quarterly per IWV-3413.

FSV

- Fail-safe verification of Category A and B valves, quarterly per IWV-3415.

LT

- Leakage rate test of Category A valves per IWV-3420.

Valves subject to type C local leak rate testing as required by Appendix J of 10 CFR 50 are indicated by 7~g reference to Note 1.

Valves which are RCS pressure

()

isolation valves and leak rate tested per plant Technical

~

Specifications indicated by reference to Note 2.

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NOTES

(,h 1.

Valves included in the Appendix J, type C local leak rate test program.

The Appendix J, type c requirements are implemented in lieu of paragraphs IWV-3421 through IWV-3425.

Leakage rate analysis and corrective actions as required by IWV-3426 and 3427 will be performed.

2.

This is a RCS pressure isolation valve and is leak rate tested per plant Technical Specifications.

l 3.

These are Anchor-Darling testable check valves.

These valves have a manual operation lever.

I 4.

These valves perform a safety function in the open position.

These valves are normally open therefore testing from the closed to open position is unnecessary.

/x v

n 0179n 4-62 REV 1

RELIEF REQUEST RR-1 RELIEF REQUEST WITHDRAWN f

J i

O O

5-1 REV. 2 0843n

/~'

RELIEF REQUEST RR-2 SYSTEM:

N/A VALVE (S):

Valves Exercised only During Cold Shutdown Or Refueling CATEGORY:

A, B,

C, and AC i

CLASS:

1, 2, and 3 FUNCTION:

N/A TEST REQUIREMENT:

IWV-3417(b) and IWV-3523 state that when corrective action is required as a result of tests made during cold shutdown, the condition shall be corrected before startup.

BASIS FOR RELIEF:

The plant Technical Specifications provide the requirements and plant conditions necessary for plant startup.

ALTERNATE TESTING:

The corrective action will be completed prior to the valve being required for plant operability as defined in the plant Technical Specifications.

O 5-2 REV. O 0843n

(~')

RELIEF REQUEST v

RR-3 SYSTEM:

N/A VALVE (S):

Valves With Stroke Times Of 2 Seconds And Less CATEGORY:

A and B CLASS:

1, 2,

and 3 FUNCTION:

N/A TEST REQUIREMENT:

IWV-3413(b) requires that the stroke time of all power-operated valves shall be measured to the nearest second for stroke times of 10 seconds or less.

IWV-3417 requires that on any one test of power-operated valves, an increase in stroke time of 50 percent or more from the previous test for valves with stroke times of 10 seconds or less, the test frequency shall be increased to once each month until corrective action is taken.

7

\\

BASIS FOR RELIEF:

Accurate measurement of stroke times which are 2 seconds or less is not practical.

ALTERNATE TESTING:

These valves will be full-stroke tested.

A full-stroke time of 2 seconds will be allowed for these valves.

Acceptance of the test will be based only on the stroke time limit and not on the "50 percent" criterion in IWV-3417.

l s

(j 5-3 REV. 2 0843n J

/

RELIEF REQUEST V

RR-4 SYSTEM:

Reactor Coolant-System No. 1201 VALVE (S):

1201-U6 112 CATEGORY:

AC CLASS:

2 FUNCTION:

This valve is required to close to perform its containment isolation function QUARTERLY TEST REQUIREMENT:

Verify reverse flow closure BASIS FOR RELIEF:

The only method available to verify reverse flow closure is valve leak testing during Appendix J, type C, testing at refueling.

ALTERNATE TESTING:

Reverse flow closure will be verified during Appendin J, type C, testing at refueling.

%/

/ %

1 v

5-4 REV. 1 0843n

/~'t RELIEF REQUEST

%)

RR-26 SYSTEM:

Containment Spray-System No. 1206 VALVE (S):

Spray Additive Tank Vacuum Breakers (2)

CATEGORY:

C CLASS:

3 FUNCTION:

These valves open to limit the minimum overpressure in the spray additive tank during injection.

QUARTERLY TEST REQUIREMENT:

Exercise valve with mechanical exerciser per IWV-3522(b)

BASIS FOR RELIEF:

These Valves are set to open at 2.5 psi below atmospheric pressure.

The spray additive tank is normally purged with nitrogen and as such these vacuum breaker salves are not subject to environmental conditions which could cause degradation.

Also these valves

("')

are not subjected to numerous stroke cycles

(>

during the life of the plant. In fact, essentially all stroke cycles will be because of testing requirements.

Due to the low number of stroke cycles and the environmental conditions these valves should not degrade.

Therefore relief is requested from using a mechanical exerciser to measure the required force or torque required to open these l

valves.

ALTERNATE TESTING:

These valves will be manually stroked on a quarterly basis to ensure that these vacuum breaker valves will move freely and that damage has not occurred.

OO 5-26 REV. 2

(~j}

RELIEF REQUEST g

RR-5 SYSTEM:

Safety Injectio..-System No. 1204 VALVE (S):

1204-U4 026, 1204-U4 027, 1204-U4 028, 1204-U4 029, 1204-U6 013 CATEGORY:

C CLASS:

1 FUNCTION:

Valves open to allow cold leg injection from the charging pumps during an accident.

QUARTERLY TEST REQUIREMENT:

Verify forward flow operability.

BASIS FOR RELIEF:

The only possible way to verify full-flow operability of these check valves is by using the CVCS charging pump flow through the boron injection tank into the RCS cold legs.

However, injecting water intr, the RCS through f']

the boron injection tank during power t-operation exposes the safety injection nozzles to thermal shock and interrupts normal charging and letdown.

Injection of CVCS charging pump flow at cold shutdown could result in a low temperature overpressurization of the RCS.

ALTERNATE TESTING:

Forward flow operability will be verified at refueling when the resctor vessel head is removed and full CVCS charging pump flow can be used.

h r

_d 5-5 REV. 1 0843n

(')'s RELIEF REQUEST

'R.

RR-6 SYSTEM:

Safety Injection-System No. 1204 VALVE (S):

1204-U4 120, 1204-U4 121, 1204-U4 122, 1204-U4 123, 1204-U4 143, 1204-U4 144, 1204-U4 145, 1204-U4 146, 1204-U6 124, 1204-U6 127 CATEGORY:

AC CLASS:

1 FUNCTION:

Valves U4 143, U4 144, U4 145 and U4 146 open to allow cold leg injection from the SIS pumps during an accident.

Valves U4 120, U4 121, U4 122, U4 123, U6 124, and U6 127, open to allow hot leg injection from the SIS pumps during an accident.

QUARTERLY TEST REQUIREMENT:

Verify forward flow operability.

BASIS FOR RELIEF:

Verification of forward flow operability of f'}-

these normally closed check valves can be N-performed only by injecting SIS water into the reactor coolant system.

During normal operation the SIS pumps cannot overcome RCS operating pressure.

During cold shutdown, injecting SIS flow into the RCS could cause low temperature overpressurization of the RCS.

ALTERNATE TESTING:

Forward flow operability will be verified at refueling when the reactor vessel head is removed and full SIS pump flow can be used.

The total flow from one safety injection pump will be compared to the system flow balance requirements of the Technical Specifications to verify that these valves open to perform their function.

The ECCS test line subsystem provides the capability for determination of I

the integrity of the high pressure boundaries.

The subsystem is used to verify that each of the series check valves can independently sustain operational differential pressure and is closed.

These are required periodic tests performed at each refueling prior to startup after the RCS has been pressurized.

i'J 5-6 REV. 1 0843n

l);

RELIEF REQUEST b

RR-7 SYSTEM:

Safety Injection-System No. 1204 VALVE (S):

1204-U6 079, 1204-U6 080, 1204-U6 081, 1204-U6 082 CATEGORY:

AC CLASS:

1 FUNCTION:

These valves open when the downstream pressure is less than the upstream pressure which allows cold leg injection from the accumulator tanks.

QUARTERLY TEST REQUIREMENT:

Verify forward flow operability.

BASIS FOR RELIEF:

The SIS accumulator tanks are isolated from the RCS by these normally closed check valves.

Each accumulator is charged with a' nitrogen blanket of 650 psig.

This pressure is insufficient during operation to inject into the RCS.

If these valves were to be

\\-

exercised at cold shutdown, the contents of the tank would be dumped into the RCS at the charge pressure of 650 psig which could result in a low temperature overpressurization of the RCS.

ALTERNATE TESTING:

One of these valves will be disassembled and manually stroked at refueling on a staggered test basis.

If disassembly reveals that the valve is inoperable, the remaining valves will be disassembled.

These valves will not be disassembled and manually stroked to perform preservice testing.

mU 5-7 REV. 1 0843n

- ----- --- -------- - a

g(

RELIEF REQUEST RR-8 SYSTEM:

Safety Injection-System No. 1204 VALVE (S):

1204-U6 098, 1204-U6 099 CATEGORY:

C CLASS:

2 FUNCTION:

The SIS pump discharge check valves open to allow flow from the pumps for safety injection.

QUARTERLY TEST REQUIREMENT:

Verify forward flow operability.

BASIS FOR RELIEF:

Forward flow operability of these normally closed check valves can be verified only by injecting SIS water into the reactor coolant system.

During normal operation the SIS pumps can not overcome RCS operating pressure.

During cold shutdown, injecting SIS flow into the RCS could cause low

~

temperature overpressurization of the RCS.

ALTERNATE TESTING:

A partial stroke exercise test will be performed quarterly.

Forward flow operability will be verified at refueling when the reactor vessel head is removed and full SIS pump flow can be used.

O 5-8 REV. O 1

J

1

()

RELIEF REQUEST RR-9 SYSTEM:

Safety Injection-System No. 1204 VALVE (S):

1204-U6 090 CATEGORY:

C CLASS:

2 FUNCTION:

Valve opens to allow SIS pump suction from the RWST QUARTERLY TEST REQUIREMENT:

Verify forward flow.

BASIS FOR RELIEF:

The only possible flow test during normal operation is during pump testing using the 3-inch minflow line back to the RWST.

Full flow testing using the SI pumps is not possible because the maximum SI pump pressure is less than the RCS operating pressure.

Using the SI pumps to test the valve at cold shutdown could cause low temperature

- l overpressurization of the RCS.

ALTERNATE TESTING:

Valve will be partial-stroke exercised during quarterly pump testing and full-stroke exercised at refueling.

O 5-9 REV. O

(

RELIEF REQUEST RR-10 SYSTEM:

Safety Injection-System No. 1204 VALVE (S):

1204-U6 163 CATEGORY:

C CLASS:

2 FUNCTION:

Valve opens to allow suction to the safety injection pumps from the RHR system.

QUARTERLY TEST REQUIREMENT:

Verify forward flow operability.

BASIS FOR RELIEF:

To verify forward flow operability requires full flow operation of the SIS injection pump.

During normal RCS operation the SIS pumps cannot overcome RCS operating pressure.

During cold shutdown injection into the RCS using the SIS pumps could cause a low temperature overpressurization of the

+

RCS.

ALTERNATE TESTING:

Forward flow operability will be verified at refueling when the reactor vessel head is removed and full SIS pump flow can be used.

O 5-10 REV. O

I'N RELIEF REQUEST L)

RR-ll SYSTEM:

Safety Injection-System No. 1204 VALVE (S):

1204-U6 083, 1204-U6 084, 1204-U6 085, 1204-U6 086 CATEGORY:

AC CLASS:

1 FUNCTION:

These valves open when the downstream pressure is less than the upstream pressure which allows cold leg injection from the accumulator tanks.

These valves also open for RHR flow.

QUARTERLY TEST REQUIREMENT:

Verify forward flow operability.

BASIS FOR RELIEF:

The SIS accumulator tanks are isolated from the RCS by these normally closed check valves.

Each accumulator is charged with a f-nitrogen blanket of 650 psig.

This pressure is insufficient during operation to inject k

into the RCS.

If these valves were to be exercised at cold shutdown, the contents of the tank would be dumped into the RCS at the charge pressure of 650 psig which could result in a low temperature overpressurization of the RCS.

ALTERNATE TESTING:

One of these valves will be disassembled and manually stroked at refueling on a staggered test basis.

If disassembly reveals that the valve is inoperable, the remaining valves vill be disassembled.

These valves will not be disassembled and manually stroked to perform preservice testing.

In additior.,

these valves will be partially stroke exercised during cold shutdown by normal flow from the RHR pumps.

5-11 REV. 1

i i

f'\\

RELIEF REQUEST O

RR-12 SYSTEM:

Chemical and Volume Control - System No'.

1208 VALVE (S):

1208-U6-142, and 1208-U6-149 CATEGORY:

C CLASS:

2 FUNCTION:

Valves open for high head safety injection into the RCS QUARTERLY TEST REQUIREMENT:

Verify forward flow operability and reverse flow closure.

BASIS FOR RELIEF:

During normal operation CVCS is aligned for normal charging. Therefore, only a partial-stroke exercise test is possible during power operation.

Injecting through flow paths other than normal charging exposes

,s

( -)

the safety injection nozzles to thermal shock.

Full-stroke testing of these valves during cold shutdown could cause low temperature overpressurization of the RCS.

ALTERNATE TESTING:

These valves will be partial-stroke exercised quarterly and full-stroke exercised during refueling.

During refueling forward flow operability will be verified when the reactor vessel head is removed and full charging pump flow can be used.

Reverse flow closure is verified quarterly by monitoring pressure upstream of the check valve.

,/

/

5-12 REV. 1

]

' RELIEF REQUEST

}

RR-13 SYSTEM:

Containment Spray-System No. 1206 VALVE (S):

1206-U6 001, 1206-U6 008 CATEGORY:

C CLASS:

2-FUNCTION:

Valves open to allow flow from the RWST to the suction of the containment spray pumps.

QUARTERLY TEST REQUIREMENT:

Verify forward and reverse flow operability BASIS FOR RELIEF:

Forward flow operability can be verified only by operating the containment spray pumps-during pump testing.

The pump test return line to the refueling water storage tank is' only a 2-inch line, which precludes full-flow testing of these 10-inch check valves.

The 0;

only flow path possible to achieve full flow would require initiating spray into the containment.

Reverse flow closure verification would require filling the containment sumps and initiating containment spray system recirculation mode operation.

Either of these tests would result in extensive damage to components inside containment.

In addition, verification of closure capability by measuring differential pressure was evaluated.

However, the system does not contain the required isolation valves to observe a pressure differential across these check valves.

ALTERNATE TESTING:

Partial flow forward testing will be performed quarterly during pump testing.

In adft+4.'n, one of these valves will be disassembled and manually stroked at rafuelir g on a staggered test basis.

If di verse.nbly reveals that the valve is inoperable the remaining valve will be disassembled.

These valves will not be disassembled and manually stroked to perform preservice. testing.

5-13 REV. 1

)

RELIEF REQUEST w)

RR-14 SYSTEM:

Containment Spray-System No. 1206 VALVE (S):

1206-U6 015, 1206-U6 016 CATEGORY:

AC CLASS:

2 FUNCTION:

Valve opens to allow flow for containment spray.

Valve closes to perform containment isolation function.

QUARTERLY TEST REQUIREMENT:

Verify forward and reverse flow operability.

BASIS FOR RELIEF:

Forward flow operability can be verified only by initiating flow through the valves into the containment structure.

The initiation of containment spray into the containment would result in extensive damage to equipment inside containment.

The only method

/~N available to verify reverse flow closure is

(_)

valve leak testing during Appendix J, type C, testing at refueling.

ALTERNATE TESTING:

One of these valves will be disassembled and manually stroked at refueling on a staggered test basis.

If disassembly reveals that the valve is inoperable, the remaining valves will be disassembled.

In addition, reverse-flow closure will be verified during Appendix

, type C, testing at refueling.

These valves will not be disassembled and manually stroked to perform preservice testing.

O v

5-14 REV. 1

^

RELIEF REQUEST

( )'h L.

RR-15 SYSTEM:

Chemical and Volume Control-System No. 1208 VALVE (S):

1208-HV0190A, 1208-HVOl90B CATEGORY:

B CLASS:

2 FUNCTION:

These valves open to allow flow for a safety grade cold shutdown.

QUARTERLY TEST REQUIREMENT:

Exercise, time, and fail.

BASIS FOR RELIEF:

The safety-related position of these valves l

1s open.

To fail-safe test these valves to the closed position does not stroke the valve i

in the direction required to perform a safety-related function.

Therefore, a fail-safe test is not necessary.

l 8

k -

ALTERNATE TESTING:

These valves will be exercised and timed l

every quarter to ensure that they will 3

perform their safety-related function, 1

s R_./

5-15 REV. 1

[)

RELIEF REQL'EST J

w.-

RR-16

)

SYSTEM:

Chemical and Volume Control-System No. 1208 VALVE (S):

1208-U6 032 CATEGORY:

AC CLASS:

2 FUNCTION:

CVCS to regenerative heat exchanger check valve which closes to perform a containment isolation function and opens to allow boric acid flow for a safety grade cold shutdown.

QUARTERLY TEST REQUIREMENT:

Verify reverse flow closure and forward flow l

operability.

3 BASIS FOR RELIEF:

The only method available to verify reverse flow closure is valve leak testing during appendix J, type C, testing at refueling.

ALTERNATE TESTING:

Reverse flow closure will be verified during appendix J, type C, testing at refueling.

Forward flow operability will be verified quarterly.

7

.s 5-16 REV. 2 0843n

(N RELIEF REQUEST

\\s)

RR-17 SYSTEM:

Chemical and Volume Control-System No. 1208 VALVE (S):

1208-U6 189, 1208-U6 436 CATEGORY:

C CLASS:

2 FUNCTION:

Valve U6 189 opens to allow flow to the suction of the centrifugal charging pumps from the RWST.

Valve U6 436 opens to allow flow to the suction of the centrifugal charging pumps from the RER system.

QUARTERLY TEST REQUIREMENT:

Verify forward flow operability.

BASIS FOR RELIEF:

To verify full-flow capability requires operation of both centrifugal charging pumps.

Operation of the centrifugal charging pumps during either normal operation or cold

/)

shutdown would result in overpressurization

(_,/

of the reactor coolant system.

Partial exercising by operating one charging pump would inject refueling or RHR water into the RCS and would affect RCS boron concentration which could result in a plant shutdown.

ALTERNATE TESTING:

Valves will be full-stroke exercised when the reactor vessel head is removed at refueling and both centrifugal charging pumps can be operated.

In addition, these valves will be partial-stroke exercised during cold shutdown.

r~S i

4

'\\ J 5-17 REV. 1 0843n

(~')

RELIEF REQUEST (j

RR-18 SYSTEM:

Auxiliary Component Cooling Water-System No. 1217 VALVE (S):

1217-U4-084, 1217-U4-085, 1217-U4-086, 1217-U4-087 CATEGORY:

C CLASS:

3 FUNCTION:

Valves close to prevent reverse flow if a reactor coolant pump thermal barrier ruptures.

QUARTERLY TEST REQUIREMENT:

Verify reverse flow closure.

BASIS FOR RELIEF:

Reverse flow closure will be verified during refueling by performing a modified leak rate test.

These tests cannot be performed quarterly during power operation because the system is in operation and cannot be isolated.

Also, these valves are inside I

containment.

These tests are too complex to

\\~-

be performed during cold shutdown and will be scheduled for refueling outages.

ALTERNATE TESTING:

Reverse flow closure will be verified during refueling by performing a modified leak rate test.

)

(_

5-18 REV. 1 0843n

.m

)

RELIEF REQUEST v

RR-19 SYSTEM:

Auxiliary Feedwater-System No. 1302 VALVE (S):

1302-U4 117, 1302-U4 118, 1302-U4 119, 1302-U4 120 CATEGORY:

C CLASS:

2 FUNCTION:

These valves close to ensure that AFW flows to the steam generators.

QUARTERLY TEST REQUIREMENT:

Verify reverse flow closure.

BASIS FOR RELIEF:

Reverse flow closure can be verified only by disassembling the check valves and observing the disc position.

ALTERNATE TESTING:

One of these valves will be disassembled and manually stroked at refueling on a staggered

[_.l test basis.

If disassembly reveals that the

\\'

valve is inoperable, the remaining valves will be disassembled.

These valves will not be disassembled and manually stroked to perform preservico testing.

r3 U

5-19 REV. 1 0843n

(^]

RELIEF REQUEST q.;

RR-20 SYSTEM:

Condensate and Feedwater-System No. 1305 VALVE (S):

1305-U4 071, 1305-U4 073, 1305-U4 075, 1305-U4 077 CATEGORY:

C CLASS:

2 FUNCTION:

Valves close to prevent steam generator blowdown following a feedwater line break outside containment.

QUARTERLY TEST REQUIREMENT:

Verify reverse flow closure.

BASIS FOR RELIEF:

Reverse flow closure can be verified only by disassembling the check valves and observing the disc position.

ALTERNATE TESTING:

One of these valvec will be disassembled and manually stroked at refueling on a staggered

/~)

test basis.

If disassembly reveals that the k/

valve is inoperable, the remaining valves will be disassembled.

These valves will not be disassembled and manually stroked to perform preservice testing.

(

r"N

(

)

%.)

5-20 REV. 1 0843n

I i

i l

}

RELIEF REQUEST RR-21 SYSTEM:

Instrument Air-System No. 2420 VALVE (S):

2420-U4-049 CATEGORY:

AC CLASS:

2 FUNCTION:

Valve closes to perform a containment isolation function.

QUARTERLY TEST REQUIREMENT:

Verify reverse flow closure.

BASIS FOR RELIEF:

The only method available to verify reverse flow closure is valve leak testing during appendix J, type C, testing at refueling.

ALTERNATE TESTING:

Reverse flow closure will be verified during appendix J, type C, testing at refueling.

l 1

i 5-21 REV. 0 0843n

l

,/ ~'N RELIEF REQUEST

<]

l RR-22 SYSTEM:

Safety Injection - System No. 1204 VALVE (S):

1204-U4-262, 1204-U4-263 CATEGORY:

C CLASS:

2 FUNCTION:

These valves close to isolate the refueling water storage tank if an upstream line breaks.

l QUARTERLY TEST REQUIREMENT:

Verify reverse flow closure.

BASIS FOR RELIEF:

Reverse flow closure can be verified only by disassembling the check valves ano observing the disk position.

ALTERNATE TESTING:

One of these valves will be disassembled and manually stroked at refueling on a staggered

(~)%

test basis.,

If disassembly reveals that the

(.

valve is inoperable, the remaining valves will be disassembled.

These valves will not be disassembled and manually stroked to perform preservice testing.

(~

Nj 5-22 REV. 1 0843n

(}

RELIEF REQUEST RR-23 SYSTEM:

Main Steam - System No. 1301 VALVE (S):

1301-U4-008 CATEGORY:

C CLASS:

3 FUNCTION:

This valve opens to allow steam to the AFW pump turbine and closes to prevent reverse flow.

QUARTERLY TEST REQUIREMENT:

Verify forward flow operability and reverse flow closure.

BASIS FOR RELIEF:

This valve is partial-stroke exercised quarterly during the turbine-driven AFW pump test.

Full-stroke exercising during power ~

operation cannot be performed because the turbine-driven AFW pump is not delivering

(}

full flow to the steam generators.

This valve will be tested during cold shutdown by verifying that the AFW pump is delivering the required flow through valves 1302-U4-014, 1302-U4-017, 1302-U4-020, 13 02 -U4- 023, and 1302-U4-026 as discussed in CS-19.

Reverse flow closure cannot be verified by flow or pressure.

Therefore, this valve will be disassembled.

ALTERNATE TESTING:

Forward flow operability will be demonstrated quarterly (partial-stroke) and during cold shutdown (full-stroke) as discussed.

Reverse flow closure will be demonstrated by disassembling and manually full-stroke exercising the valve during refueling.

This valve will not be disassembled and manually stroked to perform preservice testing.

G 5-23 REV. 1 0843n

l l

l

(')

RELIEF REQUEST l

x _.'

RR-24 SYSTEM:

Nitrogen to Accumulator - System No. 2462 VALVE (S):

2402-U4 017 CATEGORY:

AC CLASS:

2 FUNCTION:

Nitrogen Supply Containment Isolation Valve QUARTERLY TEST REQUIREMENT:

Verify reverse flow closure.

BASIS FOR RELIEF:

The only method available to verify reverse

)

flow closure is valve leak testing during I

appendix J, type C, testing at refueling.

j ALTERNATE TESTING:

Reverse flow closure will be verified during appendix J, type C, testing at refueling.

n NA

{

i l

l l

l

,/-

()

5-24 REV. 1 0843n

'~ 'N RELIEF REQUEST

)

RR-25 SYSTEM:

Containment Air Purification and Cleanup - System No. 1513 VALVE (S):

1513-U4-001, 1513-U4-002 CATEGORY:

AC CLASS:

2 FUNCTION:

Containment Isolation Hydrogen Monitoring QUARTERLY TEST REQUIREMENT:

Verify reverse flow closure.

BASIS FOR RELIEF:

The only method available to verify reverse flow closure is valve leak testing during appendix J, type C, testing at refueling.

ALTERNATE TESTING:

Reverse flow closure will be verified during appendix J, type C, testing at refueling.

_]

n sa 5-25 REV. 1 0843n J

("N RELIEF REQUEST RR-26 SYSTEM:

Containment Spray-System No. 1206 VALVE (S):

Spray Additive Tank Vacuum Breakers (2)

CATEGORY:

C CLASS:

3 FUNCTION:

These valves open to limit the minimum overpressure in the spray additive tank during injection.

QUARTERLY TEST REQUIREMENT:

Exercise valve with mechanical exerciser per IWV-3522(b)

BASIS FOR RELIEF:

These valves are set to open at 2.5 psi below atmospheric pressure.

The spray additive tank is normally purged with nitrogen and as such these vacuum breaker valves are not subject to environmental conditions which could cause degradation.

Also these valves

(~)

are not subjected to numerous stroke cycles

- l

(_/

during the life of the plant. In fact, essentially all stroke cycles will be because of testing requirements.

Due to the low number of stroke cycles and the environmental conditions these valves should not degrade.

Therefore relief is requested from using a mechanical exerciser to measure the required force or torque required to open these valves.

ALTERNATE TESTING:

These valves will be manually stroked on a quarterly basis to ensure that these vacuum breaker valves will move freely and that damage has not occurred.

l 5-26 REV. 2

COLD SHUTDOWN JUSTIFICATION CS-1 SYSTEM:

Reactor Coolant-System No. 1201 VALVE (S):

1201-HV-8701A, 1201-HV-8701B, 1201-HV-8702A, 1201-HV-8702B CATEGORY:

A CLASS:

1 FUNCTION:

These valves open to allow suction to the RHR pumps from the RCS.

QUARTERLY TEST REQUIREMENT:

Exercise and time COLD SHUTDOWN TEST JUSTIFICATION:

These valves isolate the low pressure RHR system from the high pressure RCS.

They are interlocked to prevent opening when RCS pressure is greater than 425 psig and automatically close before RCS pressure

!O.

exceeds 750 psig.

QUARTERLY PARTIAL STROKE TESTING:

None COLD SHUTDOWN TESTING:

Exercise and time O

6-1 REV. O

COLD SHUTDOWN JUSTIFICATION

('

CS-2

~

SYSTEM:

Reactor Coolant-System No. 1201 VALVE (S):

1201-HV0442A, 1201-HVO442B, 1201-HV8095A, 1201-HV8095B, 1201-HV8096A, 1201-HV8096B CATEGORY:

B CLASS:

1&2 (valves 1201-HV0442A and 1201-HV0442B are Class 2)

FUNCTION:

Valves open to vent the reactor vessel QUARTERLY TEST REQUIREMENT:

Exercise, fail, and time COLD SHUTDOWN TEST JUSTIFICATION:

Operability testing of these normally closed valves during power operation could cause a loss of reactor coolant which would produce unwarranted pressure and level fluctuations in the reactor

(

coolant system.

These valves, which are

(-

Target Rock solenoid valves, will open if subjected to a pressure surge.

With the RCS pressurized, opening one of these valves would cause a pressure surge across the corresponding valve in series which could open it.

This allows a direct flow path from the RCS to the pressurizer relief tank.

QUARTERLY PARTIAL STROKE TESTING:

None COLD SHUTDOWN TESTING:

Exercise, fail, and time

()

i 6-2 REV. 1 i

1 i

}

)

COLD SHUTDOWN JUSTIFICATION

(

CS-3 SYSTEM:

Safety Injection-System No. 1204 VALVE (S):

1204-HV-8806 CATEGORY:

B CLASS:

2 FUNCTION:

This valve isolates the refueling water storage tank from the safety injection pumps during post-accident recirculation.

QUARTERLY TEST REQUIREMENT:

Exercise and time COLD SHUTDOWN TEST JUSTIFICATION:

To close this valve for purposes of testing places the plant in an unsafe condition.

Failure of this valve in the closed position would render both safety

,s

(

)

injection pumps inoperable.

In addition, the Technical Specifications require that

'~'

power be removed frem this valve during power operation; therefore, the valve cannot be stroked quarterly.

QUARTERLY PARTIAL STROKE TESTING:

None COLD SHUTDOWN TESTING:

Exercise and time 6-3 REV. 1

(~'N COLD SHUTDOWN JU3TIFICATION I

RJ CS-4 SYSTEM:

Safety Injection-System No. 1204 VALVE (S):

1204-HV-8809A, 1204-HV-8809B CATEGORY:

B CLASS:

2 FUNCTION:

These valves close to isolate the RHR discharge from the SIS cold leg.

QUARTERLY TEST REQUIREMENT:

Exercise and time COLD SHUTDOWN TEST JUSTIFICATION:

During normal operation these valves are aligned to their accident position which is open.

To close these valves for testing purposes unnecessarily places the plant in an unsafe condition.

If these

(~'l s

valves did not reopen following testing

(_-

it would render that portion of low head safety injection inoperable.

In addition, the Technical Specifications require that power be removed from these valves during power operation; therefore, they cannot be stroked quarterly.

QUARTERLY PART!AL STROKE TESTING:

None COLD SHUTDOWN TESTING:

Exercise and time j

I l

6-4 REV. 1 1

/

COLD SHUTDOWN JUSTIFICATION N]'

CS-5 SYSTEM:

Safety Injection-System No. 1204 VALVE (S):

1204-HV-8835 CATEGORY:

B CLASS:

2 FUNCTION:

This valve closes when Safety Injection is aligned from cold leg injection to hot leg injection.

QUARTERLY TEST REQUIREMENT:

Exercise and time COLD SHUTDOWN TEST JUSTIFICATION:

To close this valve for purposes of testing places the plant in an unsafe condition.

Failure of this valve in the closed position renders both safety injection pumps incapable of cold leg

[')

injection.

In addition, the Technical

's -

Specifications require that power be removed from this valve during power operation; therefore, the valve cannot be stroked quarterly.

QUARTERLY PARTIAL STROKE TESTING:

None COLD SHUTDOWN TESTING:

Exercise and time 6-5 REV. 1

(~)N COLD SHUTDOWN JUSTIFICATION CS-6 SYSTEM:

Safety Injection-System No. 1204 VALVE (S):

1204-HV-8802A, 1204-HV-8802B CATEGORY:

B CLASS:

2 FUNCTION:

These valves open for hot leg injection.

QUARTERLY TEST REQUIREMENT:

Exercise and time COLD SHUTDOWN TEST JUSTIFICATION.

During power operation the Technical Specifications require that the power be removed from the valve operators with the valves in the closed position.

Therefore, these valves cannot be stroked quarterly.

Also, if these valves would

,/^')

not re-close following testing during

\\/

power operation it would render that portion of safety injection inoperable.

QUARTERLY PARTIAL STROKE TESTING:

None COLD SHUTDOWN TESTING:

Exercise and time O

6-6 REV. 1

('

COLD SHUTDOWN JUSTIFICATION CS-7 SYSTEM:

Safety Injection-System No. 1204 VALVE (S):

1204-U6 147, 1204-U6 148, 1204-U6 149, 1204-U6 150 CATEGORY:

AC' CLASS:

1 FUNCTION:

These check valves open to allow cold leg injection

]

into the RCS.

QUARTERLY TEST REQUIREMENT:

Verify forward flow operability.

COLD SHUTDOWN TEST JUSTIFICATION:

Forward flow operability of these normally closed check valves can be verified only by injecting RHR water into the RCS.

During normal claration the RHR pumps cannot overcome RCS operating O.

pressure.

The ECCS' test line subsystem provides the capability for determination of the integrity of the high pressure boundaries.

The subsystem is used to verify that each of the series check valves can independently sustain operational differential pressure and is closed.

These are required periodic tests performed at each refueling prior to startup, after the RCS has been pressurized.

QUARTERLY PARTIAL STROKE TESTING:

None COLD SHUTDOWN TESTING:

The total flow from one RHR pump will be compared to the system' flow balance requirements of the Technical Specifications to verify that these valves open to perform their function.

Inoperability of these check valves to pass their required flow would be seen as reduced total flow.

O 6-7 REV. 1

f^^

COLD SHUTDOWN JUSTIFICATION

(_.

CS-8 SYSTEM:

Safety Injection-System No. 1204 VALVE (S):

1204-U6-125, 1204-U6-126, 1204-U6-128, 1204-U6-129 CATEGORY:

AC CLASS:

1 FUNCTION:

These valves open to allow hot leg injection into the RCS.

QUARTERLY TEST REQUIREMENT:

Verify forward flow operability.

COLD SHUTDONN TEST JUSTIFICATION:

The only possible way to verify full flow operability of these check valves is by using the RHR pumps to inject into the ~

m RCS.

During normal operation the RHR pumps cannot overcome RCS operating

)

pressure.

(/

\\_

s QUARTERLY PARTIAL STROKE TESTING:

None COLD SHUTDOWN TESTING:

These valves will bs-tested with flow from the RHR pumps.

The maximum required 1

flowrate through each valve will be verified.

%s 6-8 REV. 1

f^}

COLD SHUTDOWN JUSTIFICATION xs CS-9 SYSTEM:

Chemical and Volume Control-System No. 1208 VALVE (S):

1208-HV-8100, 1208-HV-8112 CATEGORY:

A CLASS:

2 FUNCTION:

These valves close to isolate containinent penetration 49.

QUARTERLY TEST REQUIREMENT:

Exercise and time COLD SHUTDOWN TEST JUSTIFICATION:

These valves isolate seal water flow from the reactor coolant pumps.

Closing these valves during normal operation could damage the reactor coolant pump seals, resulting in a plant shutdown.

/%

QUARTERLY PARTIAL STROKE TESTING:

None COLD SEJTDOWN TESTING:

Exercise and time when reactor coolant pumps are stopped during cold shutdown.

f\\

O 6-9 REV. 1

()

COLD SHUTDOWN JUSTIFICATION CS-10 SYSTEM:

Chemical and Volume Control-System No. i208 VALVE (S):

1208-HV-8105, 1208-HV-8106 CATEGORY:

A (HV 8105)

B (HV 8106)

CLASS:

2 FUNCTION:

These valves close to isolate the charging pumps from the regenerative heat exchanger.

QUARTERLY TEST REQUIREMENT:

Exercise and time COLD SHUTDOWN TEST JUSTIFICATION:

Closing either of these valves during operation stops normal charging water flow to the reactor coolant system.

Interruption of normal charging water

()

could result in loss of pressurizer water level control and could result in a plant shutdown.

QUARTERLY PARTIAL STROKE TESTING:

None COLD SHUTDOWN TESTING:

Exercise and time O

6-10 REV, O

l'\\

COLD SHUTDOWN JUSTIFICATION

%]

CS-11 SYSTEM:

Reactor Coolant-System No. 1201 VALVE (S):

1201-PV-0455A, 1201-PV-0456A CATEGORY:

B CLASS:

1 FUNCTION:

These valves open to prevent low-temperature overpressurization of the RCS.

QUARTERLY TEST REQUIREMENT:

Exercise, time and fail test 1

COLD SHUTDOWN TEST JUSTIFICATION:

The NRC staff's position is that the PORV's function is to protect the reactor vessel and coolant system from low-temperature overpressurization conditions and should be exercised prior

('~.h to initiation of system conditions for

/

which vessel protection is needed (prior to cold shutdown).

Routine quarterly exercising of the PORV's during power operation is not required.

i QUARTERLY PARTIAL STROKE TESTING:

None COLD SHUTDOWN TESTING:

Exercise, time and fail test.

These valves will be tested prior to them being required for cold overpressurization protection as determined by the Technical Specifications.

6-11 REV. 1 4

COLD SHUTDOWN JUSTIFICATION v

CS-12 SYSTEM:

Chemical and Volume Control-System No. 1208 VALVE (S):

1208-HV-8152, 1208-HV-8160, 1208-HV-15214 CATEGORY:

A (HV-8152, HV-8160)

B (HV-15214)

CLASS:

2 FUNCTION:

These valves close to isolate CVCS Letdown.

QUARTERLY TEST REQUIREMENT:

Exercise, time, and fail test COLD SHUTDOWN TEST JUSTIFICATION:

Failure of either of these valves to open after exercising could cause a loss of control of the pressurizer water level.

Loss of pressurizer water level control could require shutting the plant down.

O-

, Closing any of these valves at power causes thermal shock to the regenerative heat exchanger and associated piping.

QUARTERLY PARTIAL STROKE TESTING:

None COLD SHUTDOWN TESTING:

Exercise, time, and fail test i

O 6-12 REV. 0 l

l

f'T COLD EHUTDOWN JUSTIFICATION d

CS-13 SYSTEM:

Chemical and Volume Control-System No..i208 VALVE (S):

1208-LV-0112B, 1208-LV-0112C CATEGORY:

B CLASS:

2 FUNCTION:

These valves close to isolate the volume control tank.

QUARTERLY TEST REQUIREMENT:

Exercise and time COLD SHUTDOWN TEST JUSTIFICATION:

The volume control tank provides the normal charging water and seal water flow to the RCS and RCS pumps.

Because the VCT acts as a head tank for the charging pump an alternate source of water would be required during valve testing.

fs i}

Injection into the RCS of any available

\\

alternate source of water would cause changes in RCS boron concentration and could result in a plant shutdown.

QUARTERLY PARTIAL STROKE TESTING:

None COLD SHUTDOWN TESTING:

Exercise and time

)

')

l w

6-13 REV. 0 l

('~')'

COLD SHUTDOWN JUSTIFICATION x-CS-14

)

SYSTEM:

Chemical and Volume Control-System No. 1208 VALVE (S):

1208-LV-0112D, 1208-LV-0112E CATEGORY:

B CLASS:

2 FUNCTION:

These valves open to allow flow from the RWST to the centrifugal charging pumps and re-close during post-accident recirculation.

QUARTERLY TEST REQUIREMENT:

Exercise and time COLD SHUTDOWN TEST JUSTIFICATION:

Exercising these valves during normal operation could introduce refueling water m

into the RCS through the normally operating charging pump.

RCS boron fJ concentration could be adversely affected N-and could cause a plant shutdown.

QUARTERLY PARTIAL STROKE TESTING:

None COLD SHUTDOWN TESTING:

Exercise and time

,e v

6-14 REV. 1

[J

'i COLD SHUTDOWN JUSTIFICATION L-l CS-15 SYSTEM:

Auxiliary Component Cooling Water-System No. 1217 VALVE (S):

1217-HV-1974, 1217-HV-1975, 1217-HV-1978, 1217-HV-1979 CATEGORY:

A CLASS:

2 FUNCTION:

These valves close to perform a containment isolation function.

QUARTERLY TEST REQUIREMENT:

Exercise and time COLD SHUTDOWN TEST JUSTIFICATION:

Auxiliary component cooling water is used to maintain cooling of the reactor coolant pump bearing oil coolers and thermal barriers.

A loss of cooling water to the thermal barriers could

\\- )

result in a temperature increase of the

(

oil and motor bearing metal.

Any extended loss of cooling water could result in extensive damage to the reactor coolant pumps.

QUARTERLY PARTIAL STROKE TESTING:

None COLD SHUTDOWN TESTING:

Exercise and time during cold shutdown when reactor coolant pumps are stopped.

I v

6-15 REV. 1

COLD SHUTDOWN JUSTIFICATION CS-16 SYSTEM:

Main Steam-System No. 1301 VALVE (S):

1301-HV-3006A, 1301-HV-3006B, 1301-HV-3016A, 1301-HV-3016B, 1301-HV-3026A, 1301-HV-3026B, 1301-HV-3036A, 1301-HV-3036B CATEGORY:

B CLASS:

2 FUNCTION:

These valves close to isolate main steam.

QUARTERLY TEST REQUIREMENT:

Exercise, time, and fail COLD SHUTDOWN TEST JUSTIFICATION:

Exercising these valves during normal operation would cause a severe pressure" transient in the main steam lines which would cause a plant shutdown.

Reducing power level to perform testing without causing a transient would significantly

~

impact plant operations and power production.

QUARTERLY PARTIAL STROKE TESTING:

Partial exercise test (10%) performed quarterly COLD SHUTDOWN TESTING:

Exercise, time, and fail O

6-16 REV. O

t' )

COLD SHUTDOWN JUSTIFICATION CS-17 SYSTEM:

Main Steam-System No. 1301 VALVE (S):

1301-PV-3000, 1301-PV-3010, 1301-PV-3020, 1301-PV-3030 CATEGORY:

B CLASS:

2 FUNCTION:

These main steam power operated relief valves open to-perform a safety grade cold shutdown function.

QUARTERLY TEST REQUIREMENT:

Exercise, time, and fail COLD SHUTDOWN TEST JUSTIFICATION:

Exercising these valves during normal operation would cause a decrease in main steam line pressure and would cause a pressure transient.

Failure in an open position would result in a plant shutdown due to a mismatch between feedwater and ik mainsteam flow.

QUARTERLY PARTIAL STROKE TESTING:

None COLD SHUTDOWN TESTING:

Exercise, time, and fail l

O 6-17 REV. O

[j^\\

COLD SHUTDOWN JUSTIFICATION K

CS-18 SYSTEM:

Auxiliary Feedwater - System No. 1302 VALVE (S):

1302-HV-15196, 1302-HV-15197, 1302-HV-15198, 1302-HV-15199

{

CATEGORY:

B CLASS:

2 FUNCTION:

These valves close to stop flow if a feedwater line ruptures.

QUARTERLY TEST REQUIREMENT:

Exercise, time, and fail COID SHUTDOWN TEST JUSTIFICATION:

Exercising these valves during normal operation partially isolttas normal feedwater flow to the ste4m generators.

This isolation of the bypass line could cause a feedwater transient resulting in

?' >j a reactor trip due to steam generator water level oscillation during the opening and closing of the valves.

QUARTERLY PARTIAL STROKE TESTING:

None COLD SHUTDOWN TESTING:

Exercise, time, and fail

,r ~\\

)

6-18 REV. 1 N

[~j')

COLD SHUTDOWN JUSTIFICATION

~

CS-19 SYSTEM:

Auxiliary Feedwater - System No. 1302 VALVE (S):

1302-U4-001, 1302-U4-002, 1302-U4-014, 1302-U4-017, 1302-U4-020, 1302-U4-023, 1302-U4-026, 1302-U4-037, 1302-U4-040, 1302-U4-043, 1302-U4-046 CATEGORY:

C CLASS:

2 and 3 FUNCTION:

These valves open to allow auxiliary feedwater flow to the steam generators.

QUARTERLY TEST REQUIREMENT:

Verify forward flow operability COLD SHUTDOWN TEST JUSTIFICATION:

The only way to verify forward flow operability of these valves is by operating the auxiliary feedwater pumps

'_D and injecting relatively cold condensate

'/

water directly into the steam generators.

The introduction of cold water into the hot steam generators during operation would result in large thermal shock to the feedwater nozzles and could cause cracking of the nozzles.

QUARTERLY PARTIAL STROKE TESTING:

None COLD SHUTDOWN TESTING:

This test will be performed by verifying required flow through each valve during cold shutdown.

\\s 6-19 REV. 1

'( )

COLD SHUTDOWN JUSTIFICATION CS-20 SYSTEM:

Condensate and Feedwater - System No. 1305

~

VALVE (S):

1305-HV-5227, 1305-HV-5228, 1305-HV-5229, 1305-HV-5230 CATEGORY:

B CLASS:

2 FUNCTION:

These valves close to stop flow if a feedwater line rupture s.

QUARTERLY TEST REQUIREMENT:

Exercise, time, and fail COLD SHUTDOWN TEST JUSTIFICATION:

Exercising these valves during normal operation isolates primary normal

+-

feedwater flow to the steam generators.

Isolation of the primary normal feedwater

( )

flow would cause a steam generator transient and could cause a plant shutdown.

QUARTERLY PARTIAL STROKE TESTING:

Partial exercise test (10%) performed quarterly COLD SHUTDONN TESTING:

Exercise, time, and fail O.

6-20 REV. O

()

COLD SHUTDOWN JUSTIFICATION CS-21 SYSTEM:

Containment Air Purification and Cleanup - System No. 1505 VALVE (S):

1505-HV-2626A, 1505-HV-2627A CATEGORY:

A CLASS:

2 FUNCTION:

These valves close to perform their containment isolation function.

QUARTERLY TEST REQUIREMENT:

Exercise and time COLD SHUTDOWN TEST JUSTIFICATION:

The Ilant Technical Specifications

~

preclude opening of these valves during'

~

modes 1, 2,

3, and 4.

O QUARTERLY PARTIAL STROKE TESTING:

None COLD SHUTDOWN TESTING:

Exercise and time O

6-21 REV. O

(

COLD SHUTDOWN JUSTIFICATION CS-22 SYSTEM:

Containment Air Purification and Cleanup System No. 1506 VALVE (S):

1506-HV-2628A, 1506-HV-2629A CATEGORY:

A CLASS:

2 FUNCTION:

These valves close to perform their containment isolation function.

QUARTERLY TEST REQUIREMENT:

Exercise and time COLD SHUTDOWN

-1 TEST JUSTIFICATION:

The Plant Technical Specifications preclude opening of these valves during modes 1, 2,

3, and 4.

QUARTERLY PARTIAL h

STROKE TESTING:

None v

COLD SHUTDOWN TESTING:

Exercise and time O

6-22 REV. O

-n+

'T COLD SHUTDOWN JUSTIFICATION

[O CS-23 SYSTEM:

Fire Protection Water - System No. 2301' VALVE (S):

23Ol-HV-27901 CATEGORY:

A CLASS:

2 FUNCTION:

This valve closes to perform its containment isolation function.

QUARTERLY TEST REQUIREMENT:

Exercise, time, and fail test COLD SHUTDOWN TEST JUSTIFICATION:

This valve is notmally closed during power operation.

It is opened during refueling and possibly cold shutdown to' support fire protection requirements.

To open this valve for testing purposes

/

unnecessarily compromises the containment boundary.

QUARTERLY PARTIAL STROKE TESTING:

None COLD SHUTDOWN TESTI'NG:

Exercise, time, and fail test O

6-23 REV. O

()

COLD SHUTDOWN JUSTIFICATION CS-24 SYSTEM:

Auxiliary Feedwater - System No. 1302 VALVE (S):

1302-U4-013, 1302-U4-033, 1302-U4-051, 1302-U4-052, 1302-U4-058, 1302-U4-061 CATEGORY:

C CLASS:

3 FUNCTION:

These check valves open to allow flow from the condensate storage tanks to the suction of the AFW pumps.

QUARTERLY TEST REQUIREMENT:

Verify forward flow operability COLD SHUTDOWN TEST JUSTIFICATION:

The only way to full-stroke exercise these valves is by operating the auxiliary feedwater pumps and injecting

[D relatively cold condensate water directly

\\-

into the steam generators.

The introduction of cold water into the hot steam generators during power operation would result in large thermal shock to the feedwater nozzles and could cause cracking of the nozzles.

QUARTERLY PARTIAL STROKE TESTING:

These valves will be partial-stroke exercised during quarterly pump testing.

COLD SHUTDOWN TESTING:

These valves will be verified capable of opening to their required safety position during cold shutdown.

This test will be performed by taking pump suction from each condensate storage tank and verifying the required flow to the steam generators.

J-6-24 REV. 1

()

COLD SHUTDOWN JUSTIFICATION CS-25 SYSTEM:

Instrument Air - System No. 2420 VALVE (S):

2420-HV-9378 CATEGORY:

A CLASS:

2 FUNCTION:

This valve closes to perform its containment isolation function.

QUARTERLY TEST REQUIREMENT:

Exercise, time, and fail COLD SHUTDOWN TEST JUSTIFICATION:

The operability testing of this valve

~

during normal operation would cause an interruption of instrument air supply to instruments and equipment within containment.

Also, a failure in a

()

nonconservative position during a cycling test would cause a complete loss of instrument air supply to the containment.

The loss of instrument air to containment would cause the letdown isolation valves (1208-HV-15214, 1208-HV-8160 and 1208-HV-8152) to fail closed.

These CVC valves are not stroked closed during power operation, as explained in Cold Shutdown Justification CS-12.

Therefore, this instrument air isolation valve cannot be stroked closed at power.

QUARTERLY PARTIAL STROKE TESTING:

None COLD SHUTDOWN TESTING:

Exercise, time, and fail r~

f 6-25 REV. 0

~

(

COLD SHUTDOWN JUSTIFICATION CS-26 SYSTEM:

Safety Injection - System No. 1204 VALVE (S):

1204-HV-8813 CATEGORY:

B l

CLASS:

2 FUNCTION:

Safety injection pump miniflow.

Valve closes during hot leg recirculation.

QUARTED.LY TEST REQUIREME4T:

Exercise and time COLD SHUTDOWN TEST JUSTIFICATION:

During power operation the Technical Specifications require that the power be removed from the valve operator with the valve in the open position.

Therefore, this valve cannot be stroked quarterly.

P Also, if this valve would not re-open A

following testing during power operation it would render both trains of safety injection inoperable.

QUARTERLY PARTIAL STROKE TESTING:

None COLD SHUTDOWN TESTING:

Exercise and time f%

(_)

6-26 REV. 1

f~")

COLD SHUTDOWN JUSTIFICATION x-CS-27 SYSTEM:

Safety Injection - System No. 1204 VALVE (S):

1204-HV-8840 CATEGORY:

B CLASS:

2 FUNCTION:

This valve opens for hot leg recirculation QUARTERLY TEST REQUIREMENT:

Exercise and time COLD SHUTDOWN TEST JUSTIFICATION:

During power operation the Technical Specifications require that the power be removed from the valve operator with the valve in the :;losed ';osition.

Therefore, this valve cannot be stroked quarterly.

Also, if this valve would not re-close

[~}

following testing during power operation it would misalign the low head safety N-injection from the cold legs.

QUARTERLY PARTIAL STROKE TESTING:

None COLD SHUTDOWN TESTING:

Exercise and time l

6-27 REV. 1

[~')

COLD SHUTDOWN JUSTIFICATION V

CS-28 SYSTEM:

Containment Spray - System No. 1206 VALVE (S):

1206-HV-8994A and 1206-HV-9994B CATEGORY:

B CLASS:

3 FUNCTION:

These valves open to discharge NaOH into the containment spray system QUARTERLY TEST REQUIREMENT:

Exercise and time COLD SHUTDOWN TEST JUSTIFICATION:

During normal operation these valves are closed to confine NaOH to the spray additive tank.

To minimize the amount of NaOH which could leave the spray additive tank, valve 029 would need to be closed I~'

when valves HV-8994A or HV-8994B were opened.

Closing valve 029 isolates the spray additive tank thus making it unable to perform its safety function.

QUARTERLY PARTIAL STROKE TESTING:

None COLD SHUTDOWN TESTING:

Exercise and time.

These valves will be tested with the spray additive tank isolated.

6-28 REV. 1

Q( N

~

COLD SHUTDOWN JUSTIFICATION CS-29 SYSTEM:

Chemical and Volume Control - System No'.

1208 VALVE (S):

1208-U4-185 and 1208-U4-499 CATEGORY:

C CLASS:

2 FUNCTION:

These valves open to allow flow of boric acid from the boric acid transfer pumps to the suction of the charging pumps.

QUARTERLY TEST REQUIREMENT:

Verify forward flow operability COLD SHUTDOWN TEST JUSTIFICATION:

These check valves are tested with flow.

Testing these check valves with flow during power operation would adversely affect the boric acid concentrations in

['T the RCS and potentially cause a plant

\\

shutdown.

QUARTERLY PARTIAL STROKE TESTING:

None COLD SHUTDOWN TESTING:

These valves will be exercised during cold shutdown with flow from the boric acid transfer pumps to the RCS.

The maximum required flow rate through these valves will be verified.

6-29 REV. 1

1 I

(')

COLD SHUTDOWN JUSTIFICATION

%J CS-30 SYSTEM:

Auxiliary Component Cooling Water - System No. 1217 j

VALVE (S):

1217-HV-2041, 1217-HV-19051, 1217-HV-19053, 1217-HV-19055, 1217-HV-19057 CATEGORY:

B CLASS:

3 FUNCTION:

These valves isolate if a thermal barrier rupture Occurs.

QUARTERLY TEST REQUIREMENT:

Exercise and time i

COLD SHUTDOWN TEST JUSTIFICATION:

These valves are normally open to allow cooling water to the thermal barriers.

^

~

To close these valves during normal operation would stop cooling water to the

('d damage the reactor coolant pumps.

thermal barriers which could potentially

\\_/

QUARTERLY PARTI AL STROKE TESTING:

None COLD SHUTDOWN TESTING:

These valves will be tested during cold shutdown with the reactor coolant pumps stopped.

)

%)

6-30 REV. 1

COLD SEUTDOWN JUSTIFICATION CS-31 SYSTEM:

Main Steam - System No. 1301 VALVE (S):

1301-U4-006, 1301-U4-404 CATEGORY:

C CLASS:

3 FUNCTION:

These valves open to allow steam to the AFW pump turbine.

Valve 1301-U4-404 closes to prevent reverse flow.

QUARTERLY TEST REQUIREMENT:

Verify forward flow operability and reverse flow closure.

COLD SHUTDOWN TEST JUSTIFICATION:

These valves are partial-stroke exercised quarterly during the turbine-driven AFW pump test.

Full-stroke exercising during

[^)

power operation cannot be performed x-because the turbine-drivsn AFW pump is not delivering full flow to the steam generators.

Valve 1301-U4-404 is verified capable of closing quarterly by closing valve HV-3009 and listening for steam to stop flowing through the AFW drain to the condenser.

This is performed quarterly while the AFW pump turbine is being supplied steam through velve U4-008.

Valve U4-006 is not required to be capable of closing.

QUARTERLY PARTIAL STROKE TESTING:

Partial-stroke exercising is performed during the turbine-driven AFW pump test.

COLD SHUTDOWN TESTING:

Testing of valves 1302-U4-014, 1302-U4-017, 1302-U4-020, 1302-U4-023, and 1302-U4-026 as discussed in CS-19 verifies that valves 1301-U4-006 and 1301-U4-404 open to perform their safety related function by ensuring that the AFW pump is delivering required flow.

O 6-31 REV. 1

(}

COLD SHUTDOWN JUSTIFICATION

'w/

CS-32 SYSTEM:

Auxiliary Feedwater - System No. 1302 VALVE (S):

1302-U4-113, 1302-U4-114, 1302-U4-115, 1302-U4-116, CATEGORY:

C CLASS:

2 FUNCTION:

These valves open to allow auxiliary feedwater flow to the steam generators.

QUARTERLY TEST REQUIREMENT:

Verify forward flow operability and reverse flow closure COLD SHUTDOWN TEST JUSTIFICATION:

The only way to verify forward flow operability of these valves is by operating the auxiliary feedwater pumps and injecting relatively cold condensate

(~h water directly into the steam kJ generators.

The introduction of cold water into the hot steam generators during operation would result in large thermal shock to the feedwater nozzles and could cause cracking of the nozzles.

The pressure gauges upstream of these valves will be monitored quarterly to verify these valves are closed.

QUARTERLY PARTIAL STROKE TESTING:

None COLD SHUTDOWN TESTING:

This test will be performed by verifying required flow through each valve during co'.d shutdown.

l 0843n 6-32 REV. 1 l

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COLD SHUTDOWN JUSTIFICATION CS-33 SYSTEM:

Auxiliary Feedwater - System No. 1302 VALVE (S):

1302-U4-125, 1302-U4-126, 1302-U4-127, 1302-U4-128 CATEGORY:

C CLASS:

2 FUNCTION:

These valves open to allow auxiliary feedwater flow to the steam generators:

QUARTERLY TEST REQUIREMENT:

Verify forward flow operability.

COLD SHUTDOWN TEST JUSTIFICATION:

These valves are in the feedwater bypass line and, as such, are open during full power.

However, flow instrumentation is not installed in this line to facilitate verification of flow.

It is therefore requested that the test frequency for

[_

these valves be cold shutdown in order to

,N use existing flow instrumentation which is installed in the auxiliary feedwater system.

QUARTERLY PARTIAL STROKE TESTING:

Partial or full flow is passed through these valves during various modes of plant operation, COLD SHUTDOWN TESTING:

These valves will be verified capable of opening to their required safety position

]

during cold shutdown. This test will be j

performed by injecting auxiliary

]

feedwater into the steam generators, j

6-33 REV. 2 t

('

COLD SHUTDOWN JUSTIFICATION

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CS-34 SYSTEM:

Chemical and Volume Control-System No. 1208 VALVE (S):

1208-U4-284, 1208-U4-299 CATEGORY:

C CLASS:

3 FUNCTION:

These boric acid transfer pump discharge check valves open to allow flow to the suction side of the charging pumps.

QUARTERLY TEST REQUIREMENT:

Verify forward flow operability.

COLD SHUTDOWN TEST JUSTIFICATION:

These check valves are tested with flow.

Full flow testing of these check valves during power operation would adversely affect the boric acid concentration in the RCS and would potentially cause a

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plant shutdown.

QUARTERLY PARTIAL STROKE TESTING:

Partial stroke testing will be performed during the quarterly pump tests.

COLD SHUTDOWN TESTING:

These valves will be full stroke exercised during cold shutdown with flow from the boric acid transfer pumps to the RCS.

The maximum required flow rate through these valves will be verified.

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6-34 REV. 2

[;

COLD SHUTDOWN JUSTIFICATION y

CS-35 SYSTEM:

Residual Heat Removal - System No. 1205 VALVE (S):

1205-HV-8716A, 1205-HV-8716B CATEGORY:

B CLASS:

2 FUNCTION:

These valves are used as necessary to align the residual heat removal system.

QUARTERLY TEST REQUIREMENT:

Exercise and time.

COLD SHUTDOWN TEST JUSTIFICATION:

The Westinghouse plant ECCS analysis assumes low-head safety injection into all four cold legs.

The analysis also assumes that one residual heat' removal pump may fail to operate during an accident.

If one pump fails, the other

,(' ;

pump is required to inject into all four cold legs.

This requires that valves

~-

HV-8716A and HV-8716B be open to support injection into all four cold legs.

Closing these valves for surveillance testing during plant operaton will place the plant in an unanalyzed condition outside its established design basis assuming failure of one pump.

QUARTERLY PARTIAL STROKE TESTING:

None COLD SHUTDOWN TESTING:

Exercise and time.

(u 6-35 REV. 2

[")

COLD SHUTDOWN JUSTIFICATION

'\\_J CS-36 SYSTEM:

Residual Heat Removal - System No. 1205' VALVE (S):

1205-U6-001, 1205-U6-002 CATEGORY:

C CLASS:

2 FUNCTION:

These check valves open to allow flow from the refueling water storage tank to the residual heat removal pumps.

These valves close to prevent reverse flow to the refueling water storage tank.

QUARTERLY TEST REQUIREMENT:

Verify forward flow operability and reverse flow closure.

COLD SHUTDOWN TEST JUSTIFICATION:

During normal operation the RHR sytsem is aligned for cold leg injection into the RCS.

The RHR system cannot be misaligned

[^l T

to circulate water to and from the RWST without placing the plant in an unanalyzed condition outside its established design basis (See CS-35).

Reverse flow closure will be verified quarterly.

QUARTERLY PARTIAL STROKE TESTING:

None COLD SHUTDOWN TESTING:

These valves will be. tested during cold shutdown.

The maximum required flowrate through each valve will be verified.

m 6-36 REV. 2

/^

COLD SHUTDOWN JUSTIFICATION

(_)S CS-37 SYSTEM:

Residual Heat Removal - System No. 1205 VALVE (S):

1205-U6-009, 1205-U6-010 CATEGORY:

C CLASS:

2 FUNCTION:

These valves are the RHR pump discharge check valves which are required to open to support various safety functions.

QUARTERLY TEST REQUIREMENT:

Verify forward flow operability.

COLD SHUTDOWN TEST JUSTIFICATION:

During normal operation, forward flow operability of these normally closed check valves can be verified by (1) injecting into the reactor coolant system, (2) pumping in the miniflow circuit, or (3) pumping back to the

['N RWST.

During normal operation, the RHR

\\~

pumps cannot overcome RCS operating pressure.

Pumping in the miniflow circuit allows only partial flow.

Pumping back to the RWST causes misalignment of the RHR system away frca its ECCS function and places the plant.

outside its established design basis.

QUARTERLY PARTIAL STROKE TESTING:

These valves will be partial stroke exercised during quarterly pump testing.

COLD SHUTDOWN TESTING:

These valves will be tested with flow from the RHR pumps.

The maximum required flowrate through each valve will be verified.

(G uJ 6-37 REV. 2

[^'T COLD SHUTDOWN JUSTIFICATION

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CS-38 SYSTEM:

Chemical and Volume Control - System No. 1208 VALVE (S):

1208-HV-8508A, 1208-HV-8508B CATEGORY:

B CLASS:

2 FUNCTION:

Provides alternate miniflow path for charging pumps following isolation of normal miniflow line.

QUARTERLY TEST REQUIREMENT:

Exercise and time.

COLD SHUTDOWN TEST JUSTIFICATION:

These valves have interlocks such that they cannot be opened unless the volume control tank discharge valves (LV-0112B, LV-0112C) and RHR discharge to SI and charging pumps valves (HV-8804A, HV-8804B) are closed.

Valves LV-0112B

(~~T and LV-0112C are tested on a cold shudown k-frequency as discussed in Cold Shutdown Justification CS-13.

Therefore, these valves (HV-8508A, HV-8508B) can only be tested on a cold shutdown frequency.

QUARTERLY PARTIAL STROKE TESTING:

None COLD SHUTDOWN TESTING:

Exercise and time.

O 6-38 REV. 2

ML20235E091

Text

SUMMARY

1.0 INTRODUCTION

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