ML20128C716
| ML20128C716 | |
| Person / Time | |
|---|---|
| Site: | 05200001 |
| Issue date: | 02/02/1993 |
| From: | GENERAL ELECTRIC CO. |
| To: | |
| Shared Package | |
| ML20128C708 | List: |
| References | |
| 23A6100AE, 23A6100AE-RB, NUDOCS 9302040097 | |
| Download: ML20128C716 (7) | |
Text
_ _ -_
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'ABWR m6:an anv. n
.S.tAndard Plant -_.
SECTION 3.9 CONTENTS (Continued)
Section Till.C Eagt 39.5.2 Loading Conditions 3.9-41 39.5.21 Events to t>e Evaluated 3.9-41 39.5.2.2 Pressure Differential During Rapid Depressurization 3.9-41 3.9.5.23 Feedwater line and Main Steam Line Break 39 42 3.9.5.23.1 Accident Definition 39-42 m
3.9.5.23.2 Effects of Initial Reac4cr Power and Core Flow 3.9-42 3 9 5.2.4 Seismic and Other Reactor Building Vibution Events 3.9-42 3S.53 Design Bases 3 S-43 3.9.53.1 Safety Design Basc>
3.9-43 3S33.2 Power Generation Design Bases 3S-43 3.9.533 Design Loading Categories 3 S-43 3S.53.4 Response of Internals Due to Steam llee Break Accident 3.9-43 39.53.5 Stress and Fatigue Limits for Core Support Structures 3S-43 39.53.6 Stress, Deformation, and Fatigue Limits for Safety Class Reactor Internals (Etcept Core Support Structures) 3.94%
3.9.6 Intica of Pumt)s and Valves 3.9-44 3.9.6.1 Testing of Safety-Related Pumps 3.941 3.9.6.2 Testing of Safety Related Valves 3.9-44.1 3.9.6.2.1 Check Valves 3.9-44.1 3.96.2.2 Motor Operated Valves 3.9-44.1 3.9.6.23 Isolation Valve Leak Test 3 S-44 3 l
39 x Amc.ndment 9302040097 930202 PDR ADOCK 0S20 A
- ASWR-Qi L 9.c. 3 g 32^;2" Standard Plant y
3.9.5.3.6 ' Stress, Deformation, and Fatigue ASME/ ANSI OM 1987, Parts 1,6 and 10. Table Omits for Safety Class and Other Reactor 3.9 8 lists the inservice testing parameters and l Internals (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 6 formation 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 sodes and standards for containment isolation function are also noted in similar equipment, by manufacturers standards, or the listing. Inservice inspection is discussed I by empirical mcthods based on field experience in Subsection 5.2.4 and 6.6.
and testing. For the quantity SF (minimum safety factor) appearing in tho'U" 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 gp Level Condit!co
.-_tuln 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, D
Faulted 1.125 (Subsection 6.2.4). For example, the periodic leak testing of the reactor coolant pressure Components inside the reactor pressure vess-1 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 i
determine if adequate clearances exist during plan will include baseline pte service testing emergency and faulted conditions. No mechanical to support the periodle in service testing of cleararce 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 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' f or COL license inform ation 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 consideration 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 environmental conditions under which it be established. These design (desigr. 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 practices are used.
pump operation and the required operating time for each mode, acceptable bearing vibration 3.9.6 Testing of Pumps and Valves levels, seismic / dynamic loads, fluid tempera-ture, ambient temperature, and pump motor l
Inservice 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 COI
- ifA r will establish the following 3.944 Amendment
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'ABWR mma Standard Plant mn design 'and qualification requirements and will valves that fail to exhibit the required perfor-provide acceptance criteria for these require-mance can be disassembled for evaluation. The ments. For each site, type, and model the COL Code provides criteria limits for the test holder will perform testing encompassing design parameters identified in Table 3.9-8. A prograra 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 pumps,includ-operation. From these tests the COL holder will ing the basis for the frequency and the extent 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 disassembly experience.
will ensure that the pump specified for each (See Subsection 3.9.7.3(1) for COL license 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 flow for the pump application. The safety-required to perform will be established, related pumps are provided with instrumentation to verify that the net positive suction head The COL holder will establish the following (NPSII) is greater than or equal to the NPSli 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 casure 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. From this testing the COL holder will demonstrate that the 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 All ABWR safety related piping systems capability limits of the individual parts of the 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 l conditions, inservice testing will incorporate prototype qualification testing are contained in the use of advarice non intrusive techniques to Generic Letter 8910, 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 susceptibic to pressure locking and thermal 194 1 Amendment
ABWR m6imAn
. Standard Plant Rwa 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 8910 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 diagnostic equipment inaccuracy, control The COL holder will test each MOV in the open switch tepe atability, 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 rnotor parameters. The COL voltage must equal or exceed the control holder will test the MOV under various switch setting including consideration af 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 allowable structural capability parametert 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 thes*
(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 toique produced by the actuator and opening and closing must meet rninimum and thrust delivered to the stem for increasing maximum stroke time requirements.
differential pressure and flow conditions (referred to as load sensitive 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 loud assessment of the performance of the valve under sensitive behavior, control switch repeatability, actual loading. Periodic testing per GL89-10 and degradation. The COL holder will measure the Paragraphs D and J will be conducted under total thrust and torque delivered y the MOV adequate differential pressure and flow under static and dp artic conditions (including conditions that allow a justifiable demonstra.
diagnostic equipmen. in m ny and control tion of continuing MOV capability for design switch repeatabilith.a 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 indir ition of the will be sufficient to demonstrate continuing MOV.
design basis and required operating capability.
(See Subsection 3.9.7.3(2) for 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.
3 9-M 2 Amendment a
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. Standard Plano prv.n(
7 s
y
,92
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, fA p'rogram will be' develope' iby)the COL 1 d
-applicant.to establish the frequency and the -
extent of disassembly and_ inspection-based on suspected degradation of all..safetyarciated "MOV's",' including the'.batis for the frequency i
and the extent _of each disassembly. The program may be revised throughout the. plant. life to
~ '
minimize disassembly based on past disassembly xperience. (See Subsection 3.9.7.3(1) for COL e
license information requirements.)
3.9.6.23 Isolation Valve Leak Tests.
The leak tight integrity will be verified for each valve relled upon to provide a leak tight function. These valves include:
(1) pressure isol: tion valves _ valves that provide isolation of pressure differential j
from one part of a system from another or between systems; (2) temperature isolation valves valves whose leakage may cause _ unacceptable thermal loading on supports or stratification in the piping and thermal loading on supports or whose leakage may cause steam binding of pumps; and (3) containment isolation valves - valves that perform a containment isolation function in accordance with the Evaluation' Against Criterion-54, Subsection 3.1.2.5.5.2, including valves that may be exempte'd from' Appendix J, Type C testing but whose leakage may cause loss"of suppression pool water inventory.
4 Leakage rate testing for valv_e group (1) is addressed in Subsection 3.9.6. Valve groups (2) and (3) will be tested in accordance with Part 10, Paragraph 4.2.2.3.
The fusibl'e plug valves that provide a lower drywell flood for severe accidents are described in ~ Subsection-9.5.12.. The valves are' safety.
- related due to.the. function of retaining -
~
suppression pool water as shown in Figure 9.5 3.
These special valves are noted here and not in TabTe 3.9 8.
The fusible plug valve Ista-nonreciosing pressure relief device and the Code requires replacement of each at a maximum of 5 year intervals.
Amchdment 3.9443
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. Table 3.9 8 (Continued) -
IN. SERVICE TESTING SAFETY.RELATED PUMPS AND VALVES B21 Nuclear Boller System Valves Safety Code Valve - Test.
Test. SSAR
~
Class Cat. - Fune. Para Freg Fig.
No. Qty Description (h)(1)
(a)
(c)
-(d)
(e) -
(f)
(g)
F001 2 Feedwater line Motor-Operated Valve (MOV) 2 B
P
- El 5.13(4)
F002 2 Upstream (First) FW line check valve (h3) 2 C_
A
-S-RO 5.13(4)
F003 2 FW line outboard check valve-Air-1 A,C 1,A L,P,S RO
- 5.13(4)-
Operated (AO)(hl) _
IIKM 2 FW line inboard check valve (hl) 1 A,C I,A 1,S RO 5.1-3(4)_
F005 2 ~ FW line inboard maintenance valve 1
B P
El 5.13(4).
F006 2 RWCU (or CUW) System injection line 2
C A
S RO
. 5.13(4) check valve (h3)
F007 2 RWCU (or CUW) System injection line MOV 2 B
P S.
El 5.13(4) -
F(X)8 4 Inboard Main Steam Iso Vly,(MSIV) 1 A
1,A L,P RO 5.13(3)
S 3 mo F009 4 Outboard Main Steam Iso Vlv(MSIV) 1 A
I,A L,P -
- RO 5.13(3)
S 3 mo F010 18 Safety / Relief Valve (SRV)(h2) 1 A,C-A R
5 yrs 5.13(2)-
P,S RO-F011 1 MSL bypass /drainline inb. iso.viv 1
A I,A -
L,P
- RO 5.13(3)
S 3mo F012 1 MSL bypass / drain line outb. iso.viv 1
A 1,A 1,P -
RO 5.13(3)
S 3 mo F013 1 MSL warm upline valve 2
B P
-El 5.13(3)-
F016 1 MSL downstream drain line header valve 2
B P
El 5.13(3) -
F017 1 MSL downstream drain line header bypass 2.
B A
-P RO 5.13(3)
S 3mo F018 1 RPV non-condensible gas removalline.
1 B
P
-El 5.13(2)'
1 B
A
- P,S
-RO_
5.1-3(2),
F019 1 RPV head vent inboard shutoff valve (hl) _
1-B A-P,S _
-ROz -5.13(2)-
F020 1 - RPV head vent outboard shutoff valve (hl) -
F021 18 SRV discharge line vacuum breaker (hl) 3 C
A
' R,S RO 5.13(2)
F022 18 _ SRV discharge line vacuum breaker (hl) 3.
C A-R,S RO 5.13(2) -
F024 - 4 Inboard MSIV nitrogen supply line check 3
C A
S RO 5.13(3) valve (h1) 195 4 Outboard MSIV air supply line check viv (hl) 3 C
A-TS_
RO-5.13(3).
F026 8 l SRV ADS pnuematic supply line chk viv (hl) 3 C
A-S RO
-5.13(2)
F029 18 SRV pneumatic supply check valve (hl) 3' C
'A S
RO; 5.13(2)
F031 2 Inboard valve on the outb, FW line check -
2
'B P.
El 5.13(4)
- valve test line F033 4 Inboard shutoff valve on the outboard 2
B P
El 5.13(3)
MSIV test line F035 1
_ Inboard test line valve for the MSL bypass /
.2 B
P E1-5.1-3(3) -
drain valve F039 2 Inboard test line valve for the inboard FW 2
B P
El 5.1-3(4)'[
line check valve 3S-58.4 Amendment l
v
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ux6ioore --
Standard Plant nu n 1:,=
Table 3.9 8 (Continued)-
IN SERVICE TESTING SAFETY.RELATED PUMPS AND VALVES E51 Reactor Core Isolation Cooling System (Continued)
Safety Code Valve Test
. Test SSAR Class Cat. Func. Para Freq. Fig.
No. Qty Description (h)(1)
(a) :-(c)
(d)
(e) --
(f)
(g)
F030 1 Turbine accessories cooling water line 2
C A
R Syrs 5.48(3) relief valve F031 1 Barometric condenser condensate discharge 2
- B --
P E1-5.4-8(3) line AOV to llCW F032 1 Barometric condenser condensate discharge 2
B P
El 5.4-8(3)'
line AOV to HCW-F033 1 Discharge line fillline bypass line 2
B P
E1-5.4-8(1) shutoff valve F034 1 Barometric condenser condensate pump 2
B P
El 5.4-8(3) discharge line test line valve F035 1 Steam supply line isolation valve 1
A 1,A 1,P RO.
5.4-892)
S 3 mo -
F036 1 Steam supply line isolation valve 1
A 1,A 1,P RO : 5.4-8(2)-
S-3 mo F037 1 Steam admission valve 2
_B A
P.
2 yrs 5.4-8(2) l-S, 3mo F038 1 Turbine exhaust line check valve (h3) 2 A,C I,A L
2 yrs ' 5.48(2)
S RO F039 1 Turbine exhaust line MOV 2
A I,A L,P 2 yrs ' 5.4-8(1)
.S 3mo N4 1 Steam admission valve bypass line maint-2 B
P El 5.4-8(2) tenance valve NS1 Steam admission valve bypass line MOV 2
-B A
P 2 yrs 5.4-8(2)_
S 3 mo W61 Barometric condenser vacuum purup discharge 2
- A,C I,A L
RO 5.48(1) line check valve (h3)
S RO-M71 Barometr8 condenser vacuum pump discharge 2 A
I,A L,P RO
'5.48(1)-
line MO' S
3mo M8 1 Steam supplyline warm up line valve 1
-A I,A L,P RO 5.4-8(2) -
S 3mo-F049 1 Steam supplyline test line valve 2
B-P
-El
~ 5.4-8(2) -
F050 1 Steam supplyline test line valve.
2 B-P E1-5.48(2)
F051 1 TurtJac exhaust line drain line valve 2
B P
El 5.4-893)
F052 1 Turbine exhaust line drain line valve 2
B
-P El
- 5.4-8(3) '
F053.1 Turbine exhaust line test line valve 2
B P
E1-5.48(1)
F054 1 - Turbine exhaust line vacuum breaker (hl) 2 C
A R
RO ~
5.4-8(1) '
F055 1 Turbine exhaust line vacuuum breaker (bl) 2 C.
'A R -
RO 5.4-8(1)
F056 1 Steam supply line drain pot drain line 2
B-P El 5.4-8(1) test line valve
. F057 1 Steam supplyline drain pot drain line 2
B-P El 5.4-8(2).
test drain line F059 1 Baromemtric condener vacuum pump dis.
2 B
P.
El 5.+8(1) charge line test line valve 3.9-58.t5 Amendment 4
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