ML20034E640

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Forwards Proposed SSAR Markup of Subsection 3.9.6, Testing of Pumps & Valves, & Subsection 3.9.7, COL License Info
ML20034E640
Person / Time
Site: 05200001
Issue date: 02/24/1993
From: Fox J
GENERAL ELECTRIC CO.
To: Poslusny C
Office of Nuclear Reactor Regulation
References
NUDOCS 9303010116
Download: ML20034E640 (11)


Text

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4 GE Nuclear Energy cenera newe cons, 175 Grtner Avenue, San s,CA 951Eb February 24,1993 Docket No. STN 52-001 -

Chet Poslusny, Senior Project Manager Standardization Project Directorate Associate Directorate for Advanced Reactors and License Renewal.

Office of the Nuclear Reactor Regulation

Subject:

Submittal Supporting Accelerated ABWR Review Schedule - Testing of Pumps and Valves

Dear Chet:

Enclosed is a proposed SSAR markup of Subsection 3.9.6 (Testing of Pumps and Valves) and Subsection 3.9.7 (COL License Information).

Please provide a copy of this tranmittal to Ted Sullivan.

Sincerely,

%k Y 0)1 Jack Fox Advanced Reactor Programs cc: Norman Fletcher (DOE)

Bernie Genetti(GE) 260005 M93-37 O

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9303010116.930224 00p r

PDR ADOCK 05200001 A-PDR 1

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ABM utsiman Standard Plant REV B

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3.9.5.3.6 Stress, Deformation, and Fatigue ASME/ ANSI OM 1987, Parts 1,6 and 10. Table Limits for Safety Class and Other Reactor 3.9 8 lists the inservice testing parameters and I laternals (Except Core Support Structures) ~

frequencies for the safety related pumps and valves. The reason for each code defined For safety class reactor internals, the stress testing exception or justification for each code deformation and fatigue criteria listed in Tables exemption requ'est is noted in the description of i

i 3.9-4 through 3.9-7 are based on the criteria the affected pump or valve. Valves having a established in applicable codes and standards for containment isolation function are also noted in l similar equipment, by manufacturers standards, or the listing. Inservice inspection is discussed 4

by empirical methods based on field experience in Subsection 5.2.4 and 6.6.

and testing. For the quantity SF (minimum safety factor) appearing in tho'Se" tables, the Details of the inservice testing program, I l

following values are used:

including test schedules and frequencies will be reported in the inservice inspection and testing l Service Service plan which will be provided by the applicant 37 Lgvgl Condition

._ min referencing the ABWR design. The plan will integrate the applicable test requirements for A

Normal 2.25 safety-related pumps and valves including those B

Upset 2.25 listed in the technical specifications (Chapter C

Emergency 1.5

16) and the containment isolation system, I

D Faulted 1.125 (Subsection 6.2.4). For example, the periodic leak testing of the reactor coolant pressure Components inside the reactor pressure vessel isolation valves in Table 3.9 9 will be such as control rods which must move during performed in accordance with Chapter 16 accident condition have been examined to Surveillance Requirement SR 3.6.1.5.10. This t

determine if adequate clearances exist during plan will include baseline pre service testing emergency and faulted conditions. No mechanical to support the periodic in-service testing of clearance problems have been identified. The the components. Depending on the test results, forcing functions applicable to the reactor the plan will provide a commitment to i

internals are discussed in Subsection 3.9.2.5.

disassemble and inspect the safety related pumps and valves when limits of the OM Code are The design criteria, loading conditions, and exceeded, as described in the following I

analyses that provide the basis for the design of paragraphs. The primary elements of this plan, the safety class reactor internals other than the including the requirements of Generic Letter core support structures meet the guidelines of 8910 for motor operated valves, are delineated NG-3000 and are constructed so as not to in the subsections to follow. (See Subsection adversely affect the integrity of the core 3.9.7.3 for COL license information j

support structures (NG 1122).

requirements),

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-The design requirements for equipment 3.9.6.1 Testing of Safety Related Pumps j

i classified as non safety (other) class internals (e.g., steam dryers and shroud heads) are For each pump, the design basis and required specified with appropriate consideration of the operating conditions (including tests) under j

intended service of the equipment and expected which the pump will be required to function will i

plant and environmental conditions under which it be established. These design (design basis and will operate. Where Code design requirements are required operating) conditions include flow rate not applicable, accepted industry or engineering and corresponding head for each system mode of i

i practices are used.

pump operation and the required operating time for each mode, acceptable bearing vibration i

3.9.6 Testing of Pumps and Valves levels, seismic / dynamic loads, fluid tempera-ture, ambient temperature, and pump motor

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laservice testing of safety-related pumps and minimum voltage.

valves will be performed in accordance with the requirements of ASME/ ANSI OMa 1988 Addenda to The COL holder will establish the following 5

3.9 44 l

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34u=xe Standard Plant REv a design and qualification requirements and will valves that fail to exhibit the required perfor-provide acceptance criteria for these require-nance can be disassembled for evaluation. The ments. For each size, type, and model the COL Code provides criteria limits for the test holder will perform testing encompassing design parameters identified in Table '4.9-8. A program conditions that demonstrate acceptable flow rate will be developed by the COL applicant to and corresponding head, bearing vibration levels, establish the frequency and the extent of and pump internals wear rates for the operating disassembly and inspection based on suspected time specified for each system mode of pump degradation of all safety rela;edytrEpfJinclud-gp p

operation. From these tests the COL holder will ing the basis for the frequency and the extent u/m also develop baseline (reference) hydraulic and of each disassembly. The program may be revised vibration data for evaluating the acceptability throughout the plant life to minimize dis-of the pump after installation. The COL holder assembly based on past dis s embly experience.

will ensure that the pump specified for each (See Subsection 3.9.7.3 1 or COL license 7

application is not susceptible to inadequate information requirements.)

minimum flow rate and inadequate thrust bearing capacity with respect to minimum flow pump 3.9.6.2.2 Motor Operated Valves operation.

For each motor operated valve assembly (MOV)

The ABWR safety-related pumps and piping with active safety-related function, the design configurations accommodate inservice testing at a basis and required operating conditions flow rate at least as large as the maximum design (including testing) under which the MOV will be The safety- (l) quired, to perform will be established.

flow for the pump application.

re Des /9n and Svo//[/ca6m related pumps are provided with instrumentation to verify that the net positive suction head The COL holder will establish the following (NPSH) is greater than or equal to the NPSH design and qualification requirements and will required during all modes of pump operation.

provide acceptance criteria for these These pumps can be disassembled for evaluation requirements. By testing each@ype, and when Part 6 testing results in a deviation which model the COL holder will determine the torque falls within the ' required action range.' The and thrust (as applicable to the type of MOV)

Code provides criteria limits for the test requirements to operate the MOV and will ensure parameters identified in Table 3.9 8. A program the adequacy of the torque and thrust that the will be developed by the COL applicant to motor-operator can deliver under design (design establish the frequency and the extent of basis and required operating) condition The disassembly and inspection based on suspected COL holder will also test each ize type and degradation of all safety-related pumps, model under a range of differential pressure and including the basis for the frequency and the flow conditions up to the design conditions, extent of each disassembly. The program may be These design conditions include fluid flow, revised throughout the plant life to minimize differential pressure (including pipe break),

disassembly based on past disassembly system pressure, fluid temperature, ambient experience. (See Subsection 3.9.7.3(1) for COL temperature, minimum voltage, and minimum and license information requirements.)

maximum stroke time requirements.4From this

/p3ER T testing the COL holder will demonstrate that the f.p,.2./A l 3.9.6.2 Testing of Safety-Related Valves results of testing under in situ or installed conditions can be used to ensure the capability

~3.9.6.2.1 Check Vahes of the MOV to operate under design conditions.

The COL holder will ensure that the structural e

/ ~ /All ABWR safety related piping systems capability limits of the individual parts of the US

  • incorporate provisions for testing to demonstrate MOV will not be exceeded under design

- the operability of the check valves under design conditions. Additional guidelines to justify j conditions. Inservice testing will incorporate prototype qualification testing are contained in the use of advance non intrusive techniques to Generic Letter 8910, Supplement 1, Ouestions 22 periodically assess degradation and the and 24 through 28. The COL holder will ensure performance characteristics of the check valves.

that the valve specified for each application is The Part 10 tests will be performed, and check not susceptible to pressure locking and thermal 39-.141 Amendment

ABM 23seimie.

Standard Plant Rev a binding.

(a) As required by the safety function: the valve must fully open; the valve must fully The concerns and issues identified in close with diagnostic indication of hard Generic Letter 89-10 for MOVs will be addressed seat contact.

prior to plant startup. The following testing requirements and acceptance criteria are (b) The control switch settings must provide applicable to each motor operated valve assembly adequate margin to achieve design (MOV) with an active safety-related function.

requirements including consideration of (2) Preoperahmal Nshig diagnostic equipment inaccuracy, control The COL holder will test each MOV in the open switch repcatability, load sensitive and close directions under static and maximum behavior, and margin for degradation.

achievable conditions using diagnostic equipment that measures torque and thrust (as applicable to (c) The motor output capability at degraded the type of MOV), and motor parameters. The COL voltage must equal or exceed the control holder will test t.he MOV under various switch setting including consideration of differential pressure and flow up to maximum diagnostic equipment inaccuracy, control achievable conditions and perform a sufficient switch repeatability, load sensitive number of tests to determine the torque and behavior and margin for degradation.

thrust requirements at design conditions. The COL holder will determine the torque and thrust (d) The maximum torque and thrust (as applicable requirements to close the valve for the position for the type of MOV) achieved by the MOV at which there is diagnostic indication of hard including diagnostic equipment inaccuracy seat contact. The determination of design torque and control switch repeatability must not and thrust requirements will be made for such exceed the allow 3ble structural capability parameters as differential pressure, fluid flow, limits for the individeal parts of the MOV.

undervolatge, temperature and seismic dynamic effects for MOVs that must operate during these (c) The remote position inclication testing must transients. The design torque and thrust verify that proper disk position is requirements will be adjusted for diagnostic indicated in the control room.

equipment inaccuracies. For the point of control switch trip, the COL holder will determine any (f) Stroke time measurements taken during valve loss in torque produced by the actuator and opening and closing must meet minimum and thrust delivered to the stem for increasing maximum stroke time requirements.

differential pressure and flow conditions (referred to as load sen:itive behavior). The The inservice testing of MOVs will rely on l COL holder will compare the design torque and diagnostic techniques that are consistent with thrust requirements to the control switch trip the state of the art and which will permit an torque and thrust subtracting margin for load assessment of the performance of the valve under sensitive behavior, control switch repeatability, actual loading. Periodic testing per GL8910 and degradation. The COL holder will measure the Paragraphs D and J will be conducted under total thrust and torque delivered by the MOV adequate differential pressure and flow under static and dynamic conditions (including conditions that allow a justifiable demonstra.

diagnostic equipment inaccuracy and control tion of continuing MOV capability for design switch repeatability) to compare to the allowable basis conditions. The COL applicant will structural capability limits for the individual determine the optimal frequency of this periodic parts of the MOV. The COL holder will test for verification. The frequency and test conditions proper control room position indication of the will be sufficient to demonstrate continuing MOV.

design basis and required op rating capability (See Subsection 3.9.7.

2 or COL license

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The parameters and acceptance criteria for information requirements. The Code provides demonstrating that the above functional criteria limits for the test parameters performance requirements have been met are as identified in Table 3.9-8 for Code inservice follows:

testing.

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'A~ program will be developed b'y 'the COL -

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/y applicant to establish the frequency and the.

'e. stent 'of disassembly and inspection based on.

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, suspected degradation of all safety related J

L MOV's, including the basis for the frequency and the' extent of each disasseeably.:The program 1

may be ~ revised throughout the plant life to l

,. minimize disassembly based on past di ssembly W,. experience. (See Subbetion 3.9.7.

r. COL l

license information requirements.)NO Y9lvesANh.pT' d

3 9, fr a 2 3 ' O Wr C erg P

3.9.6.2/ Isolaties Valve taak Tests

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3,1.G.2,3 ded I/T M i

4 The leak tight integrity. will be verified l

for each valve relied upon to provide a leak

. All-ABWR safety-related piplag systems:

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tight function. These valves include:

incorporate' provisions for testing to demonstrate l

- the operability 'of the ~ = _,.ader design I

(1) pressure isolation' valves a valves that P8A comastions... sa service testing will incorporatel prodde isolation of pressure differential

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the use of advance aos. intrusive techniques to..

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from one part of a system from another or (Periodically assess degradation and '

between systems; Performance characteristics of the The Part 10 tests will be performed, and (2) temperature isolation valves - valves whose valves that; fall to exhibit the required _

leakage may cause unacceptable thermal Performance can be disassembled for evaluation.'

1

. loading on supports or stratificatbs in the The Code provides criteria limits for the test-a piping and thermalloading on supports or parameters identified in Table.3.9-g. A program i i whose leakage may cause steam binding of mill be developed by the COL ' pplicant tol I

a pumps; and -

establish the frequency a'ad;tbe' extent-ofL j

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disasseeably 'and laspection. based on suspected' y

(3) containacat isolation valves - valves that.

derradation of all' safety-relatedtfiiTaT@

perform a containment isolation function in -

b inc'.uding the basis for. the frequency and lHIC aecordaace'with the Evaluation Asaimst extent of each disassembly.1: The program may'b'e -

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Criterion $4, Subsection 3.1.2.5.5.2, revised throughout the plant life to'ainimize :

including valves that may be exempted from disassembly bas'ad' on. pastidisa embly a

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Appendix J, Type C testing but whose leakage experience.L(See Subsection 3.9.7.

or' COL '

'i may cause loss of suppression pool water license inforniation requirements.)

. inventory.

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Leakage rate testing for valve group (1) is

-l addressed la Subsection 3.9.6. Valve groups (2)-

l and (3) will be tested la accordance with Part 1

10, Paragraph 4

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l The fusible that provide a lower i

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drywell flood for accidents are described

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' in Subsection-9.5.12... The valves are safety.

related due tof he fasction of retaining t

suppression pool wate'r as shown in Figure 9.5-3.

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f These special' valves are noted herc ~and not in

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Table 3.9 8.

The fusibfe plug valve'is a-nonreclosing pri.ssure relief dt;vice and the Code requires replacement of each at't maximum of 5 1

- year intervals /

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3.9.7 COL License Information Subsection 3.9.3.1.)

3.9.7.1 Reactor Internals Vibration Analysis, 3.9.7.3 Pump and Valv Testing Measurement and laspection Program Program The first COL applicant will provide, at COL applicants will provide a plan for the the time of application, the results of the detailed pump and valve inservice testing and vibration assessment program for the ABWR inspection program. This plan will prototype internals. These results will include the following information specified in Regulatory (1) include baseline pre-service testing to Guide 1.20.

support the periodic in service testing of the components required by technical R. G.120 Subiect specifications. Provisions are included to disassemble and inspect the pump, check C.2.1 Vibration Analysis valves and MOVs within the Code and

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Program safety related classification as necessary, C.2.2 Vibration Measurement depending on test results. (See Program Subsections 3.9.6, 3.9.6.1, 3.9.6.2.1 g C.2.3 Inspection Program 3.9.6.2}.)

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d/A/ 3,9. d.A 3 C.2.4 Documentation of Results (2) Provide a study to determine the optimal frequency for valve stroking during NRC review and approval of the above inservi e testing. (See Subsection information on the first COL applicant's docket 3.9.6.2

)

will complete the vibration assessment program

> J.9,4,2,2 and 19.s.2.7 requirements for prototype reactor internals.

(3) Address the concerns and issues identified in Generic Letter 8910; specifically the in addition to the information tabulated method of assessment of the loads, the above, the first COL applicant will provide the method of sizing the actuators, and the information on the schedules in accordance with setting of the torque and limit switches.

the applicable portions of position C.3 of (See Subsection 3.9.6.2.2)

W Regulatory Guide 1.20 for non prototype //v.5ppy J,9,7,3 I'#

internals.

3.9.7A Audit of Design Specification and Design Reports Subsequent COL applicants need only provide the information on the schedules in accordance COL applicants will make available to the with the applicable portions of position C.3 of NRC staff design specification and design Regulatory Guide 1.20 for non prototype reports required by ASME Code for vessels, l internals. (See Subsection 3.9.2.4).

pumps, valves and piping systems for the purpose of audit. (See Subsection 3.9.3.1) 3.9.7.2 ASME Class 2 or 3 or Quality Group D Components with 60 Year Design I.Jfe 3.9J References COL appliennts will identify ASME Class 2 1.

BWR Fuel Channel Mechanical Design and or 3 or Quality Group D components that are Deflection, NEDE-21354-P, September 1976.

subjected to cyclic loadings, including operating vibration loads and thermal transients effects, 2.

BWR/6 Fuel Assembly Emluation of Combined of a magnitude and/or duration so severe the 60 Safe Shutdown Earthquake (SSE) and year design life can not be assured by required Loss of Coolant Accident (LOCA) Loadings.

Code calculations and, if similar designs have NEDE 21175-P, Nove,2ber 1976.

not already been evaluated, either provide an appropriate analysis to demonstrate the required 3.

NEDE-24057 P (Class III) and NEDE-24057 design life or provide desig ! to mitigate the (Class I) Assessment of Reactor Internals.

magnitude or duration of the cyclic loads. (See Vibration in BWR/4 and BWR/5 Plants.

3915 Amendment 23

ABWR m

. Remandmed Plant arv s-Y

' November 1977. Also NEDO-24057-P, Amendmeat

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~ 1, December 978,t'and NEDE-2 P 24057 E

Amendment 2,' June 1979.

4 General Electric Company, Analytical Model.

for Loss-of-Coolant Analysis in Accordance with 10CFR$0, Appendix X, NEDE 20566P, l

Proprietary Document, November 1975.

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BWR Feedwater Noule and Control Rod Drive Return Line Nonle Cracking, NUREG 0619.

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en eral Electric ' En viron m e n tal Qualifications Program, NEDE-24326-1 P,

~ Eroprietary Document, January 19 7.

Functl'onal Capability Criteria f' or.

Essential Mark 11 Piping, NEDO 21985, September 1978, prepared by Battellc~

Columbus Laboratories for General Electric j

Company.

8.

Generic Criteria for High Frequency Cutoff of RWR Equipment, NEDO 25250, Proprietary Document, January 1980.

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NR CAccentable Method for Meetina the ITAAC for Check Valve (j) Desian and DualificatialReauirements For each check valve with an active safety related function, the design basis and required operating conditions (including testing) under which the check valve will be required to perform will be established.

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.l The licensee will ' establish the following design and qualification -

By:

requirements and wg provide acceptance criteria for these requirements.

type, and model the licensee will ensure the design adequacy of t e c eck valve under design (design basis and testing each ze cycles to be ex1erienced by the valve (numbers of each ty conditions.

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will be required to function, severe transient loadings expected during 'the life of the valve such as waterhammer or pipe break, life-time expectation-between major refurbishments, sealintand leakage requirements, corrosion recuirements, operating medium with flow and velocity definitioni ope secium temperature and gradients planned testing and methods tesf frequency and. periods of idle operation The design conditions may include other-requirements.a sure that valveaccommodat 9/MAI J

l material, and surface Finish wi

The N

diagnostic testlhg methods available in the-industry or as specified.

design features licensee will also ensure that flow through the valve is determinable fron.

R installed instrumentation and that valve disk positions are determinable-1 without disassembly such as by use of non-instrusive diagnostic methods.

Valve internal parts are designed with self-aligning fea the check valve under design basis and the required operating conditions to the allowable structural-capability limits for the individua parts of the y

Prior to delivery, the manufacturer will test each m Ive to demonstrate the adequacy of the check valve to perform under desi"l.E check valve.

include conditions. The qualification acceptance criteria noted ab verifying the acceptability of the check valves after installation.

a / Check raivas

[p) Pre-enerational Test (The following testing requirements and acceptahce criteria ~ a Neach safety related check valve.

The licensee will test each check valve-in the open and/or close direction, as

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required by the safety function, under all normal operating system cond testing of the valves as described in this section To the extent practical, fluid temperature conditionsLthat would exist during a will.be performed ondercold shut down as well as under fluid temperature c The testing experienced by the valve.during other modes of plant operation.

will identify the flow needed to open the valve to the full-open position.

The testing will-include'the effects of rapid pump starts and stops as 1

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The testing will include required by expected system operating conditions.

1 any other reverse flow conditions that may be required by expected system The licensee will examine the disk movement during operating conditions.

By -

valve testing end verify the leak-tightness of valve when fully closed.

using methods such as non-instrusive diagnostic equipment ~

i and other required system operating conditions.

l The parameters and acceptancs criteria for demonstrating that the above functional performance requirements have been met are as follows.-

During all test modes that simulate expected. system. operat

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3 on the direction of the-differential pressure across the valve. L l

as applicable.

r 6 Valve disk positions are determinable without disassembly,

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af Valve testing must verify free disk movement whenever moving to and from

-q the seat.

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% B The disk is stable in the open position-under normal and other required

(%[ system operating fluid flow conditions.The valve is correctly s the disk is in the full open' position at nonsal-full flow operating condition.

(7)c) -Valve design features, material, and surfaces accomeodate non-intrusive

'y diagnostic testing methods available in the industry or as specified..

4 (Mh Piping system design features accommodate all' the applicable check va testing requirements as described in SSAR Table 3.9-4.

o I Al SEM T L 9 6. 2. I A This testing shall include each valve size when there is no prior basis for acceptance or where operating experience and/or diagnostic testing has indicated the need. In situations where the valve performance is known, understood, and oredicatable based on prior tests and operating history; qualification of an individual valve size may be i

achieved by tests of representative sizes in combination with analysis or dedication methods used to extend such tests.

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gapter3.9.6 (0 -Design and Qualificatthquirement or Power-Oper 1

For each power-operated (includes pneumatic, hydraulic, piston, and solenoid-operated) valve assembly (POV) with an active safety-related a

includin i

function,thedesignbasisandrequiredoperatingconditions(beestabgished.

l testing) under which the POV will be required to perform will q

The licensee will establish the following design and qualification requirementsandwillprovideacceptancecriteriafortheserequirementsh l

poi By testing each a

type, and model the licensee will determine.the-force (as applica5Te to the type of. POV) requirements to operate the-POV

'l and will ensure the adequacy of the force 'tht the operator can deliver-j under design (design bas'is and required ope.ating) conditions.

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type, and model under a' range'of The licenses will also' test each its differential pressure and flow co ions up to the design. conditions.c Thess'

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i design conditions include fluid flow, differential pressure (including pipe.

break), system pressure, fluid temperature, ambient temperature, minimum: sir supply system (or accumulator) pressure, spring force,iand minimum and maximum stroke time requirements.A rom this testine. the licensee will demonstrate-IW M i

F that the results of testing under in-situ conditions can De uses to ensure theJ.1,A2.lA j

. capability of the POV to operate under design conditions. The licenses will i

ensure' that-the structural capability limits of the assembly. and thel

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individuni-parts of the POV will not be. exceeded under design conditions. The licensee will ensure that packing adjustment limits are specified for the a

valve for each application such that it is not susceptible to stem binding.

a (2) Pre-operationalTesti power-operates vaives The following testing requirements and acceptance criteria are applicable to each power-operated valve assembly (POV)-with an active safety-relate i

unction and referenced by Chapter 14: '

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5 The licenses will test each POV in the open and close directions under.

i static and maximum achievable conditions using diagnostic equipment that.

measures or provides information to detemine total friction,' stroke' seat load, spring rate, and travel under nomal' pneumatic or -

time, lic pressure (as applicable to the type of POV),-and minimum.

hydrau pneumatic or hydraulic pressure. The' licensee will: test the POV under various differential-pressure' and flow up to maximum achievable conditions and perfom a sufficient' number of tests to determine.the force requirements'at design conditions. The licensee will determine the force requirements to close the valve-for the position at which.

there is' a: diagnostic indication of full valve closure (as-required for-

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l the safety function of the applicable valves). ~ The detemination of design force' requirements will'be made for such parameters'as:

differential l pressure, fluid flow, minimum pneumatic or hydraulic a

temperature, and seismic / dynamic effects for.

?ressure, power supply,during these transients, The design force MVs that must operate a

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/W3EA T 3.fa $,L 3 requirements will be adjusted for diagnostic equipment inaccuracies..

The licenses will measure the total force delivured by the'POV under static i

and dynamic conditions (including. diagnostic equipment inaccuracies) tolimits for t compare to the allowable structural' capabilitThe licenses wi 1 test for proper control ro individual parts of the POV.

position indication of the POV.

l The parameters and acceptance criteria for demonstrating that the above functional performance requirements have been met are as follows:

As required by the safety function, the valve must fully open and/or the j

valve must fully close with diagnostic indication of hard seat contact.-

(n)

The assembly must demonstrate adequate margin to achieve design j

a (b) requirements including consideration of diagnostic equipment i

inaccuracies and margin for degradation.

The assembly must' demonstrate adequate output capability of the-power-operator at minimum pneumatic or hydraulic pressure or electrical supply (c) i

.(or loss of motive force for fail-safe positioning) with considerat on-j of diagnostic equipment inaccuracies and margin for degradation.

The maximum force (as applicable for the type of POV) achieved by the.

4 POV including diagnostic equ poent inaccuracies must n (d) parts of the POV.

The reente position indication testing must verify that proper disk.

3 position is indicated in the control room and other remote locations (e) relied upon by operators in any emergency situation.

Stroke-time measurements taken during valve opening and closing must j

(f) meet minimum and maximum stroke-time requirements.

1 The the class 1E electrical requirements are to be verified.

For S0Vs 50V should be verified to be capable of performing for design.

(g) requirements for energized or doenergized and-rated appropriately for the electrical power supply amperage and voltage.

i provide leak-tight seating which must meet a specified maximum leakage.

rate,. or meet a leakage rate to ensure an overall containment maximum (h)

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leakage.

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