ML20044C294
| ML20044C294 | |
| Person / Time | |
|---|---|
| Site: | 05200001 |
| Issue date: | 03/08/1993 |
| From: | Fox J GENERAL ELECTRIC CO. |
| To: | Poslusny C Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 9303220055 | |
| Download: ML20044C294 (12) | |
Text
9 -.
GENuclear Energy -
ce w a,aca c c.x,o,y l U5 romer Avem e, %One, CA 95.75 l
March 8,1993 Docket No. STN 52-001 i i
Chet Poslusny, Senior Project Manager l 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:
.i Enclosed is a replacement of the proposed SSAR markup of Subsection 3.9.6 (Testing of Pumps and Valves) and Subsection 3.9.7 (COL License information) provided in my February 24,1993 letter. This replacement package incorporates GE's understanding of the March 5,1993 GE/NRC phone call. r Please provide a copy of this tranmittal to Ted Sullivan.
Sincerely, 4 Ye>8 Jack Fox .
Advanced Reactor Programs cc: Norman Fletcher (DOE) )
Bernie Genetti (GE) i b
JI B S2 9303220055 930308
{DR ADOCK 05200001 PDR t
- ~ -
ABWR anime REV B Standard Plant 3.9.5.3.6 Stress, Deforination, and Fatigue ASME/ ANSI OM 1987, Parts 1,6 and 10. Table Umits for Safety Class and Other Reactor 3.9-8 lists the inservice testing pararneters and l Internals (Except Cort 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 request is noted in the description of 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 I
similar equipment, by manufacturers standards, or the listing. Inservice inspection is discussed by empirical methods based on field experience in Subsection 5.2.4 and 6.6. i and testing. For the quantity SF . (minimum safety factor) appearing in thoTe" tables, the Details of the inservice testing program, I 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 SF referencing the ABWR design. The plan will Level Condition min 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, ,
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 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 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 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 89-10 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 CO L lice nse in fo r m a tion support structures (NG-1122). requirements).
The design requirements for equipment 3.9.6.1 Testing of Safety.Related Pumps 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 consideratien of the operating conditions (including tests) under intended service of the equipment and expected which the pump will be required to function will plant and environme.ntal 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 applicaW, accepted industry or engineering and corresponding head for each system mode of '
practices are used. pump operation and the required operating time for each mode, acceptable bearing vibration 3.9.6 Testingof Pumps and Valves levels, seismic / dynamic loads, fluid tempera-ture, ambient ternperature, and pump motor l Inservice testing of safety related pumps and minimum voltage.
valves will be performed in accordance with the The COL holder will establish the following requirements of ASME/ ANSI OMa-1988 Addenda to 394*
Amendment i
MN :smiocAE nrv a
. Standard Plant 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 paramoters identified in Table 3.9-8. 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-related @Uliipsiinclud- gf operation. From these tests the COL holder will ing the basis for the frequency and the extent ujm 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 /
application is not susceptible to inadequate information requirements )
minimum flow rate arid 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 flow for the pump application. required to perform will be established.
The safety-re'ated pumps are provided with instrumentation (d Dc5/9M and Gub//[/cah 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 size, type, 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) conditions. The disassembly and inspection based on suspected COL holder will also test each size, 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.# rom thi_tjjif3gpy testing the COL holder will demonstrate that the 1, p.2,/f 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 Valves of the MOV to operate under design conditions.
The COL holder will ensure that the structural
/
capability limits of the individual parts of the
/
N['f N /incorporate
'All ABWR safety related piping systems provisions for testing to demonstrate MOV will not be exceeded under design conditions. Additional guidelines to justify
- the operability of the check valves under design l conditions. Inservice testing will incorporate prototype qualification testing are contained in the use of advance non intrusive techniques to Generic Letter 89-10, Supplement 1. Questions 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 l 39441 Amendment
MN 23AMMAE Pa n Standard Plant
~
binding. (a) As required by the safety function: the valve must fully open; the valve must fully The ccacerns and iss.aes identified in close with diagnostic indication of hard Ge'neric Letter 89-10 for MOVs wi!! 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 Preoperahone/ hshop diagnostic equipment inaccuracy, control (2)he T 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 the 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 thmst (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 allowable structural capability parameters as differential pressure, fluid flow, limits for the individual parts of the MOV.
undervolatge, temperature and seismic dynamic effects for MOVs that must operate during these (c) The remote position indication 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 isy 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 The inservice testing of MOVs will rely on !
(referred to as load sensitive behavior). The 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 und 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 i 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 compr.re 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 o rating capability.
V (See Subsection 3.9.7. 2 or COL license 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. l l
3.9482 Amendment l
ABWR 2sA6 = c m3 Standard Plant A. program will be developed by the COL applicant to establish the frequency and the extent of disassembly and inspection based on susp'ected degradation of all safety related MOV's", including the basis for the frequency and the extent of each disassembly. The program may be revised throughout the plant life to minimize disassembly based on past disassembly
/ experience. (See Subsection 3.9.7.%r COL l,i cense information requirements.)W V81veS 43,T.(,.#,3 TOT ~dnd [ht b M0 3 9. fr . 2 3 h tver CP ers 3.9.6.2 Isolation Valve leak Tests The leak tight integrity will be verified for each valve relied upon to provide a leak All ABWR safety related piping systems tight function. These valves include: incorporate provisions for testing to demonstrate the operability of thefhcx vaiyrfunder design (1) pressure isolation valves - valves that concitions. in-service testing will incorporate provide isolation of pressure differential the use of advance non intrusive techniques to from one part of a system from another or Periodically assess degradation and the between systems; Performance characteristics of the Clicek vad The Part 10 tests will be performed, and@^
valves that fail to exhibit the required (2) temperature isolation valves - valves whose leakage may cause unacceptable thermal Performance can be disassembled for evaluation.
loading on supports or stratification in the The Code provides criteria limits for the test piping and thermal loading on supports or parameters identified in Tabic 3.9-8. A program whose leakage may cause steam binding of will be developed by the COL applicant to pumps; and establish the frequency and the extent of disassembly and inspection based on suspected d_egradation of all safety relateMump~ *
(3) containment isolation valves - valves that perform a containment isolation function in b including the basis for the frequency an accordance with the Evaluation Against extent of each disassembly. The program may be Criterion 54, Subsection 3.1.2.5.5.2, revised throughout the plant life to minimize including valves that may be exempted from disassembly based on past disa sembly Appendix J, Type C testing but whose leakage experient.e. . (See Subsection 3.9.7.31 for COL may cause loss of suppression pool water license information requirements.)
inventory.
Leakage rate testing for valve group (1) is addressed in Subsection 3.0 4 Valve groups (2) and (3) will be teated la - fance with Part 10, Paragraph 4 .
The fusible es that provide a lower drywell flood for accidents are described in Subsection 9.5.12. The valves are safety-related due to the function of retaining suppression pool W. as shown in Figure 9.5 3.
These special v .<es are noted here and not in Table 3.9 8. The fusible plug valve is a nonreclosing pressure relief device and the Code requires replacement of each at a maximum of 5 year intervals.
3.9 A3 Amendment
ABM
~
2mimse Standard PInnt ma 1 1
3.9.7 COL License Information Subsection 3.93.1.) l l
3.9.7.1 Raetor laternals Vibration Analpls, 3.9.7.3 Pump and Valv Jnservi . Testing '
Progrum I Measurement and Inspection Prtpam The first COL applicant will provide, at COL applicants will provide a plan for the l the time of application, the results of the detailed pump and valve inservice testing and i
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 E,S. I.20 Subiect specifications. Provisions are included to disassemble and inspect the pump, check C.2.1 Vibration Analysis valves and MOVs within the Code and Program Melated classification as necessary, C.2.2 %'bration Measurement depcnding on test r e s uit s. (See Program Subseetions 3.9.6, 3.9.6.1, 3.9.6.2.1 g
^
C.2.3 Inspeci.on Program C.2.4 Documentation of 3.9.6.2y.dA/3,9.f.A3 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 spplicant's docket 3.9.6.2 )
will complete the vibration assessment program > J.7,62,2 dn/ K% f,,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 //v5pp f y,9,7,y NM 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, '
j 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 ufe 3.9.8 References COL appEcants will identify ASME Class 2 1. BWR Fuel Channel h{echanical 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. RWR/6 Fuel Assembly Evaluation 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, November 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 designs to mitigate the (Class I) Assessment of Reactor Internals.
magnitude or duration of the cyclic loads. (See Vibration in BWR/4 and BWR/S Plants.
3M Amendment 23 l
ABM
~
2WECAE Srmadard Plant RIV B November 1977. Aln NEDO-24057 P, Ameadment 1, December 1978, and NEDE-2-P 24057 Amendment 2, June 1979.
- 4. General Electric Company, Analytical Model for Loss-of-Coolant Analysis in Accordance with 10CFR30, Appendix K, NEDE-20$66P, Proprietary Document, November 1975.
- 5. BWR Feedwater Noule and Control Rod Drive Return Line Noule Cracking, NUREG 0619.
De{e teL 2
- 6. en eral Electric En vironm ental Qualification Program, NEDE-243261-P, troprietary Document, January 1981
- 7. Functional Capability Criteria for Essential Mark U Piping, NEDO-11985, September 1978, prepared by Battelle Columbus Laboratories for General Electric Company.
- 8. Generic Criteria for High Frequency Cutoff of BWR Equipment, NEDO-25250, Proprietary D~ -uanuary 1980.
.r m er t M ,7,3 ne co t opp licant w1Iludes'e /h ILt, Ju& n/ a>.39.' m/pa U. 3 e rihnk i A So b rechw.s ?. 9. 6. I, .r. 9. /. 2.
f I,3, f C. t2, 2 aTed sesrp a m the t/ereleyaret of the mt'e44e re fe y vele
/r lu a Jes tyn sive jf, ca kop.1, 3.9451 Amendment 16 l
i i
Z l} }
truPT 3. ?. 6.1. l !
( Accootable Method for Maatina the ITAAC for Ch ;
nts (s) Desion and Qualification \Reaui, I For each check valve with an active safety related function, the design basis i and required operating conditions (including testing) under which the check valve will be required to perfom will be established. :
?
The licensee will establish the following design and qualification By -l requirements and will provide acceptance criteria for these requirements. '
testing each size, type, and model the licensee will ensure the design j adequacy conditions.
of the check valve under design (design ,
basis a cycles to be experienced by the valve (numbers of each type of cycle and a '
duration of each type cycle), environmental conditions under which the valve '. ,
will be required to function, severe transient loadings ife-time expected during the expectation i life of the valve such as waterhammer or pipe break, between ma,1er refurbishments, sealintand leakage requirements, corrosion requirements, operating medium with flow and velocity definition, operatj medium temperature and gradients maintenance requirements, vibratory loa planned testing and methods, tesf frequency and periods of idle operatq ;
The design conditions may include other requirements as identified g3cgr during detailed design of the plant systems.Che licensoe will ensure that valve d )
' design features, material, and surface dinish wi1L accomesdatl i
diagnostic testing methods available in the-industry or l installed instrumentation and that valve disk positions are deteminable 1
1 without disassembly such as by use of non-instrusive diagnostic methods. i Valve internal parts are designed with self-aligning l the check valve under design basis and the required operating rwlividual oarts of the conditions1 the allowable structural ce-eility limits for the ' test each valve 1;o -
- check valve.Arter to delivery, the manufacturer wul i includa l fdemonstrate the ademacy conditions.J The qua' fication of the accep"ance criterta notes check apove- wR valve to oerfe l i
baseline data developed during qualification testing and will be used for :
l verifying the acceptability of the check valves after installation. .
I
[p) Pre-comrational Testina J AW Cheet vaivan j The following testing requirements and acceptance criteria J are a {
ach safety related check valve. _
The licenses will test each check valve in the open and/or close directij required by the safety function, under all nomal operatina system "
To the extent practical, testing of the valves as describeil in this sectl will be performed under fluid temperature conditions that would e
' cold shut down as well as under fluid temperature conditions The testing that wo ,
experienced by the valve during other modes of plant operation. l will identify the flow neMed to open the valve to the full-open position.i; The testing will include the effects of rapid pump starts and stops as t
-l i
p; pg 1 .j 185M7 3f.6 T.l The testing will include f requ red by expected system operating conditions.
~
any other reverse flow conditions that may be required by expected:
operating conditions. By valve testing and verify the leak-tightness of valve when fully closed.
using methods such as non-instrusive diagnostic equipme_ ;
and other required system operating conditions. - !
The parameters and acceptance criteria for demonstrating that the above t functional performance requirements have been met are as follows. .
(/)# During all test modes that simulate expected system opera i
7)3 on the direction of the differential pressure across the (
as applicable. r ;
- ( 0 Valve disk positions are determineble without disassembly. . j
( / Valve testing must verify free disk movement whenever moving to end from !
the seat. I (F)6 The disk is stable in the open position under normal and other required l (g)/ system operating fluid flow conditions.The valve is correctlyj the disk is in the full.open position at nonnal full flow operating !
i condition.
(/)9 Valve design features, material, and surfaces' accommodate non-intrusivt
%/> diagnostic testinti methods available in the indus ;
testing requirements as described in SSAR Table 3.9-8. 7 EN SE A T I T.G. 7 1 A i This testing of each size, type and model shall include test
-data from the manufacturer, field test data for dedication by the licensee, empirical data supported by test, or test l (such'as prototype) of similar valves that support '
'{ qualification of the required valve where similar must be*
justified by technical data.
i I
[
0
1 ;
I INSFl?T e
3.9 4.%f ;
i ter 3.9.6 (Q Design and Qua11ficatikquirements for Power-Oper For each power-operated (includes pneumatic , hydraulic , piston , and solenoid-operated) valve assembly (POV) with an active safety-related i function, the design basis and required operating conditions including testing) under which the POV will be required to perform will(be establishi .
l The licensee will establish the following design and qualification requirements and will provide acceptance criteria for these requirementsf flo By testing each size, type, and model the licensee will determine the -
force (as applicable to the type of POV) requirements to operate the POV and will ensure the adequacy of the force that the operator can deliver (
,Q under design (design basis and required operating) conditions. l T
n 'The licensee will also test each size, type, and model under a range of ~
i
- differential pressure and flow conditions up to the design conditions. These design conditions include fluid flow, differential pressure (including pipe i break), system pressure, fluid temperature, ambient temperature, minimum air I supply system (or accumulator) pressure, spring force, and minimum and maximum //6EF stroke time requirements.AF rom this testing. the licenses will demonstrate 4
thattheresultsoftestingunderin-situcondit'onscanDeusedtoensureth i'
capability of the POV to operate under design conditions. The licenses will ensure that the structural capability limits of the assembly and the individual parts of the POV will not be exceeded under design conditions. The licensee will ensure that packing adjustmedt limits are specified for the ;
valve for each application such.that it is not susceptible to stem binding.
(2) Pre-operational Testi Power-operates veives 2
The following testing requirements and acceptance criteria are apj Lunction and referenced by Chapter 14:_
)
l The licenses will test each POV in the open and close directions under static and maximum achievable conditions using diagnostic equipment that measures or provides information to detemine tota friction, stroke time, sett load, spring rate, and travel under nomal pneumatic or j hydraulic pressure (as applicable to the type of POV), and minimum pneumatic or hydraulic pressure. The licenses will test the POV under i
various differential pressurr. and flow up tb saximum achievable conditions and perform 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 positten at which there is a diagnostic indication of full valve closure (as required for c the safety function of the applicable valves). The determination of design force requirements will be made for such parameters as differential pressure, fluid flow, minimum pneumatic or hydraulic pressure, power supply, temperature, and seismic / dynamic effects for POVs that must operate during these transients. The design force 1
i
.- - Py def 1
/MEX Y 3.fa & , L 3 requirements will be adjusted for diagnostic equipment inaccuracies.
The licenses will measure the total force delivered by the POV under static and dynamic conditions (including diagnostic equipment inaccuracies).to compare to the allowable structural capability limits for the assembly andThe )
individual parts of the POV.
position indication of the POV.
The parameters and acceptance criteria for demonstrating that the above functional perfor1sance requirements have been met are as follows:
As required by the safety function, the valve must fully open and/or the (a) valve must fully close with diagnostic indication of hard seat contact.
The assembly must demonstrate adequate margin to achieve design (b) requirements including consideration of diagnostic equipment inaccuracies and urgsn for degradation.
The assembly must demonstrate adequate output capability of the power-(c) operator at minimum pneumatic or hydraulic pressure or electrical supply .
(or loss of motive force for fail-safe positioning) with consideration l of diagnostic equipment inaccuracies and margin for degradation.
l The maximum force (as appi! cable for the type of POV) achieved by the (d)
POV including diagnostic equipment inaccuracies must no -
parts of the POV.
The remote position indication testing must verify that proper disk (e) position is indicated in the control room and other remote locations relied upon by operators in any emergency situation.
Stroke-time measurements taken during valve opening and closing must (f) meet minimum and maximum stroke-time requirements.
The (g) For SOVs the class IE electrical requirements are to be verified.
50V should be verified to be capable of performing for design requirements for energized or deenergized and rated appropriately for the electrical power supply emperage and voltage.
Providilsak-tight seating which must meet a-specified maximum leakage (h) rate, or meet a leakage rate to ensure an overall containment maximum leakage.
1
- ___ - - -_-__ _____________ _ .