ML20248H160
| ML20248H160 | |
| Person / Time | |
|---|---|
| Site: | Millstone, Haddam Neck File:Connecticut Yankee Atomic Power Co icon.png |
| Issue date: | 10/02/1989 |
| From: | NORTHEAST NUCLEAR ENERGY CO. |
| To: | |
| Shared Package | |
| ML20248H158 | List: |
| References | |
| PROC-891002, NUDOCS 8910110195 | |
| Download: ML20248H160 (165) | |
Text
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MILLSTONE NUCLEAR POWER STATION UNIT 1
INSERVICE TEST
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PUMP AND VALVE PROGRAM y.
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PREPARED BY NORTiiEAST NUCLEAR ENERGY COMPANY l.
I 8910110195 8910o2 PDR ADOCK 05000213
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COPY No i
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TARf1 QE CONTENTS L..
L REFERENCE DRAWINGS Page.1 PUMP INSERVICE TESTING 1-5 RANGES OF TEST' PARAMETERS 1
VIBRATION ACCEPTANCE CRITERIA 1
INSERVICE PUMP TESTING REQUIREMENTS TABLES 1-3
. PUMP RELIEF REQUESTS R-1 to 24 VALVE INSERVICE TESTING 1-9 LEGEND FOR VALVE TESTING 1
INSERVICE TEST VALVE LIST Feedwater Coolant Injection 1-5 Control' Rod Drive Hydraulic 6-10 Low Pressure Coolant Injection 11-16 Core Spray 17-19 Standby Liquid Control 20 Main Steam 21-24
. Isolation Condenser 25-26 Service Water 27 Emergency Serv. ice Water 28 Shutdown Cooling 29-30 Fuel Pcol Cooling 31 a
Reactor Building Closed Cooling Water 32 Reacter Recirculation 33 Turbine Buildjng Secondary Closed Cooling Water 34 Reactor: Water Clean-Up 35-36 Atmospheric Control 37-40 i
Standby Gas Treatment 41-42 Drywell Sump Isolation 43 Reacto~r Vessel Head. Spray 43A Drywell Nitrogen Supply 44-45 Hydrogen and Oxygen Analyzer 46-47 Reactor Coolant Sample 48 Post Accident Sample 49 Transversing In-core Frobe 50-51 Diesel Generator Air Start 52 Fuel Oil Forwarding 53 VALVE RELIEF REQUESTS V-1 to V-51 l APPENDIX A - RECORD OF CHANGES
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REFERENCE DRAWINGS FEEDWATER COOLANT INJECTION 25202-26013 CONTROL ROD DRIVE HYDRAULIC 25202-26024 l
LOW PRESSURE COOLANT INJECTION 25202-26008 CORE: SPRAY 25202-26008 STANDBY LIQUID CONTROL 25202-26022 MAIN STEAM 25202-26317 ISOLATION CONDENSER 25202-26317 SERVICE WATER 25202-26015 EMERGENCY SERVICE WATER 25202-26008 SHUTDOWN COOLING 25202-26023 FUEL POOL COOLING 25202-26007 i
REACTOR BUILDING. CLOSED COOLING 25202-26006 WATER REACTOR RECIRCULATION 25202-26027 TURBINE BUILDING SECONDARY CLOSED 25202-26011 COOLING WATER REACTOR WATER CLEAN-UP 25202-2602f ATMOSPHERIC CollTROL 25202-26009 STANDBY GAS TREATMENT 25202-26034 DRYWELL SITdP ISCLATION 25202-26010 REACTOR VESfEL HEAD SPRAY 25202-26030 DRYWELL NITROGEN SUPPLY 25202-26009 HYDROGEN AND OXYGEN ANALY2ER 25202-26009 REACTOR COOLANT SAMPLE 25202-26027 POST ACCIDENT SAMPLE 25202-26036 TRANSVERSING IN-CORE PROBE 25202-26009 DIESEL GENERATOR AIR START-25202-26037 i
i FUEL OIL FORWARDING 25202-26028
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PUMP INSERVICE TESTING
' 1..
SCOPE This program establishes the-requirements for inservice testing of certain safety related centrifugal and positive
' displacement pumps at Millstone Nuclear Power Station Unit 1.
The pumps included are those provided with an emergency power supply and are rewired in shutting down a reactor to~the cold shutdown condition, maintaining the cold shutdown con-dition, or'in mitigating the consequences of'an accident.
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Drivers, except where the pump and driver form an integral unit and the pump bearings are in the driver are excluded from this test program. Pum emergency power solely for.ps that are supplied with operating convenience are also excluded from testing.
2.
DEFINITIONS A. Inservice test - A test to determine the operational readiness of a pump.
B. Instrument accuracy. The allowable inaccuracy of an instrument loop based on the square root of the sum of the squares of the inaccuracies of each instrument or compon-ent in the loop.
C. Instrument loop - Two or more instruments or components workingtogethertoprovideasin$gnalconditioningand le output (e.g, a vib-ration probe and its associated s readout devices).
D. Operational readiness - The ability of a pump te perform I
its intended function.
F. Peference values - one or more values of test parameters
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mnasured or determined when the equipment is known to be ops. mating acctoptably.
F. Routine survicing - The performance of planned, preventive maintenance (e.g., repl. acing or sdjusting valves in recip-rocating pumps, changing oil, finshing the ecoling system, ad$ noting packing adding packing rings or mechanical seal l
ma.tntenance or rep,lacaent).
G. Fyates resistance - The hydraulic resistance to flow in a sy6tcu.
3.
TEST REQUIREMENTS Inservice testing shall be performed in accordance with this program when the pumps are required to be operable in accord-ance with the test frequencies specified in the table of Pump 1
'l 1
1 Test Requirements. Relief requests.are specified where. test-ing cannot be performed in accordance with this program.
The hydraulic and mechanical condition of a pump relative to a previous condition can be determined by attempting to 3
duplicate by test a set of reference values. Deviations detected are symptoms of changes and, depending upon the degree of deviation, indicate the need.for further tests or corrective action.
Reference values'shall be determined from the results of pre-service testing for new. components or fron the results of inservice tests when.the pump is known to be opsrating satis-factori]y. Reference values shall be at points of operation readily duplicated during subsequent tests. All subsequent test results shall.be compared to these initial reference values.
When a reference value or set of values may have been affected by repair pump (e.g.,'replacInreplacement or routine servicing of a pumps, changing oil,g or adjusting valves in reciprocating f
flushing the cooling system, adjusting packing, adding packing rings or mechanical seal maintenance or replacement) a new reference value or set of values shall be determined or the previous values reconfirmed by an inservice test prior to declaring the pump operable.
I Deviations between the previous and the new set of reference values shall be identifled, and verification that the new values represent acceptable operation, shall be placed in the record of tests.
If it is necessary or desirable to establish an additional set of reference values, an inservice test shall be run at the conditions of an existing set of reference values and the test results analyzed. If operation is acceptable a second tent run at tha new reference conditions shall follow as soon as practical. The results of this test shall establish the 1
i additional set of reference valuar. Whenever an additional set of ref erence values is establiannd, the reasons for so j
doing shall be justified and documented in the test records.
4.
JNSTRUDGlNTATION -
Instrumentation accuracy shall 'ce within tne percant ccuracy j
as given below:
Pressure
+2%
Flow Tate
+2%
i Vibration
& 5%
Differential Pressure
+2%
speed
+2%
The full-scale range of each analog instrument shall not be greater than three times the reference value. Digital instru-
ments shall not exceed 70%'of the calibrated range of the instrument. Vibration instruments are excluded from the range requirements of the above.
All pumps in the inservice test program are constant speed driven pumps.
All instruments are to be calibrated in accordance with the Millstone Quality Assurance Program.
The fre@ency response of the vibration measuring instruments and their readout system shall be from ane-third minimum pump shaft speed to at least 1000 Hertz. The vibration measure-ments are to be broadband (unfiltered) peak velocity.
Vibration measurements shall be acquired on safety related pumps.on the.following locations:
A.
On centrifugal pumps, measurements shall be taken on each accessible pump bearing on a location that provides the highest vibration amplitude. Measure-ments shall also be taken on each accessible pump thrust bearing in the axial direction. (See Relief Request R-1)
B.
On vertical line shaft pumps, measurements shall be taken on the upper motor bearing housing in three orth gonal directions, one of which is the axial ~
position.
C.
On reciprocating pumps, the location shall be on the bearing housing of de crankshaft, approximately perpendicular to both the crankshaft and the line of plunger travel.
5.
TEST FREQUENCY a
An inservice test shall be run on ese:h pump nominally every
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.three months when the pump is required to be operable, as given in the Table of Pump Test Requirements. Reliof requeste pract$ cal,are a scified when quarterly testing is not possible or j
in a system declared inca 9rable For a pun e fcilowed. Within 3 months prior, the tsat schedule need not-to placing the syrstem in an operable status, the pump shall be tested and the tsat schedule followed in accordance with the Pump Test Requirements Tabla.
Pumps which can only be tested during plant operation shall be tested within one week following return of the plant to
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normal power operation.
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6.
TEST REQUIREMENTS-An inservice-test shall be conducted with the i
,atthespecifiedtestreferenceconditionsaspumpokerating specif ed in component. specific surveillance test procedures. The test I
parameters given in the Pump Test Requirements Table shall be determined and recorded.
The resistance of the system shall be varied until the flow rate epals the reference value. The pressure shall then be determined and compared to its reference value.
Alter-natively, the flow rate can be varied until the pressure'
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e@als the' reference value and the flow rate shall be deter-mined and compared to the reference flow rate value, i
Where system resistance cannot be varied, flow rate and. pres-sure shall'be determined and compared to their respective reference values. Relief requests are listed in the Pump Test Requirements Tables where this regirement cannot be met due to system design and the lack of. instrumentation.
i After pump conditions are stable as the system permits, each pump shall be run at least two minutes. At the and of this-time at least one measurement of each of the test quantities required shall be made and recorded.
Test measurements shall be. determined and compared with corresponding reference values. All deviations from the reference values shall be compared with the Ranges of Test Parameters Table and Vibration Acceptance Criteria Table.
7.
ACCEPTANCE CRITERIA The surveillance test shall be considered acceptable rovided that the test data is within the Acceptable or Alert as specified on the surveillance data sheet.
anges If the test results fall within the Alert Range, the test fre@ency shall be doubled until the cause of the deviation h
is determined and the condition corrected.
As soon as it is recognized that the test data is in the Required Action Range, the pump shall be declared incperable and action es required by Plant Technical Specifications shall be initiated.
A Plant Incident Report shall be initinted.
Corrective uction may be repair or replacement or the instrumentation may be recalibrates and the test rerun to show that the pump is still capable of fulfilling its intended function.
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RECORDS AND REPORTS The following records shall be maintained for each pump in the inservice test program:
A. The Manufacturer and the Manufacturer's model and I
serial number or other identification.
B. A copy or summary of the Manufacturer's acceptance
' test report if available.
C. A copy of the pump Manufacturer's operating limits.
Test Plan Records and procedures shall include the following:
A. The hydraulic circuit to be used.
B. The location and type of measurement for the required test parameters.
C. The reference values.
D. The method of determining reference values which are not directly measured by instrumentation.
A record of each test shall be maintained and shall include the following:
A. Pump identification.
B. Date of testing.
C. Reason for testing (e.g., maintenance, routine IST, establishing reference values).
D. Values of measured parameters.
E. Identification of instruments used.
F. Ccaparisons with allowable ranges of test values and
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analysis of deviations.
j G. Requirement for corrective action.
i H. Evaluation and justification for changes to reference vslues.
I. Signature of the person or persons responsible for conducting and analyzing the test.
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RECORD Of CORRECTIVE ACTION A pump Record of Corrective Action shall be maintained which will include a summary of corrections made and the subsequent inservice tests and confirmation of operational adequacy and the signature of the individual responsible for corrective action and verification of results.
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REQUIRED TEST PARAMETER ACCEPTABLE RANGE ALERT RANGE ACTION RANGE l
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.93 to 1.10 Pr
.90 to <.93-Pr l<.90Pr {>1.10Pr l
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DEFINITIONS:
NOTE: The subscript r denotes reference value.
P = Pump Discharge Pressure.
l DP = Pump Differential Pressure.
ji Q = Pump Flow rate.
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4 PUMP RELIEF REQUES.TS I
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l PUMP RELIEF REQUEST NUMBER:
R-1 COMPONENTS:
Condensate Booster,. Reactor Feedwater,.Emer-gancy Condensate Transfer, Reactor Building i
el6 red Cooling Water, Secondary Closed Cooling Water, Shutdown Cooling, Control Rod Drive, Fuel Pool Cooling Water, and Reactor Feedwater Pump Seal Injection' Pumps.
TEST REQUIREMENT:
Vibration Measurement Locations. On cen-trifugal pumps, measurements shall be taken in a plane approximately perpendicular to the rotating shaft in two orthogonal directions on.each accessible pump bearing housing.
Measurement also shall be-taken in the axial j!
direction on each accessible pump thrust bearing housing.
BASIS FOR RELIEF:
Relief is requested from acquiring vibration measurements in two orthogonal directions on each accessible bearing housing on the centri-fugal pumps listed above.
The vibration instrumentation used at Mill-stone Unit 1 during inservice testing is not the simple hand held velocity probe that is most commonly used for acquiring peak velocity measurements. Since 1977 when vibration measurements were first required for' inservice testing, the Fast Fourier Velocity Spectrum Analysis method of acquiring vibration sig-natures is used in lieu of acquiring Mils Displacement (peak to peak).
Vibration measurements consist of overall velocity in inches per second (peak) and a vibration signature-that consists of vibration amplitude in units of inches per second peak on a semi-logarithmic scale versus frequency in hertz.
Vibration measurements are made with an accelerometer mounted at a reference location generally on a bearing housing or its structural support de design configuration,n. pending upon the pump The locations were selected based on the results of inservice testing to determine the direction of maximum amplitude at the specific component bearing (i.e. horizontal or vertical). The locations for the velocity vibration test are specified in individual surveillance procedures. The vibration data acquisition is extremely repeatable since the accelerometer is attached to a mounting block that is bonded
i tx2 the component being vibration tested.
The requirement of performing vibration measurements on each bearing housing in two
'orthogonal directions bas proven to be a
-duplication of effort in assessing'the condition of the machine based.on the methods presently employediat Millstone..An additional vibration data point would provide v4ery little, if any additional-information as the peak amplitude would be;1ess than the measurement.
. points current 1 being.used. By performing an additional v bration measurement, personnel.
radiation a gosure will be increased due to the additional time spent while testing 20 pumps' that are in radiation areas of which 7 are in high radiation areas, An increase in. personnel. hazards would be experienced, since some of the bearing housings are close to the pump rotating shaft and coupling and are.
near hot components. Additionally,. physical constraints such as bearing cap size and configuration prevent the addition of multiple test points.
ALTERNATE TESTING:
On the centrifugal pumps listed above, measure-ments shall be taken on each accessible pump bearing in a location that provides the highest vibration amplitude. Measurements shall also F taken on each accessible pump thrust bearing 2.
the axial direction.
Vibration measurements shall consist of overall velocity measured in inches per second peak with-a frequency response from at least one-third minimum pump shaft rotational speed to at least 1000 hertz. The acceptance criteria as.
given in this Program applies to the pumps listed above as well as all of the pumps listed in the IST Program.
Vibration spectral analy-sis will still be used as a diagnostic tool in assessing machine condition.
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PUMP RELIEF REQUEST NUMBER:
R-2 COMPONENTS:
Condensate Pumps A,B, and C.
TEST REQUIREMENT:
Measure-individual pump flowrates during Inservice Testing nominally every 3 months.
BASIS FOR RELIEF:
No individual pump flowrate instrumentation is installed on these pumps. All 3 pumps are in service during normal plant operation and pump into a common header where condensate system flow is measured. Any degradation of pump per-formance would be identified by a change in system flow. The condensate system flowrate meter is monitored in the control room so any changes in system performance can be readily identified by the control room operators.
Measurement of pump discharge pressure and motor current is also readily monitored by the-operators. Any degradation of pump performance would be identified by changes in system flow, pump motor current, and pump discharge pres-sure during normal operation.
ALTERNATE TESTING:
During cold shutdown and reactor refueling, individual pump flowrate will be acquired by operating one condensate pum~p at a time using the condensate system header flowrate meter.
Reference values for single pump operation will be established and evaluated to the Test requirements.
j A Project Assignment (PA) has been issued to investigate, and if practical, design, procure and install permanent instrumentation for flowrate measurement for these pumps. This PA is being evaluated under the Millstone Unit 1 Integrated Safety Assessment Program (ISAP) and will be scheduled accordingly.
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- l PUMP RELIEF REQUEST NUMBER
R-3 COMPONENTS:
Condensate Pumps A,B, and C.
TEST REQUIREMENT:
The resistance of the system shall be varied until either the measured differential pressure or the measured flowrate equals the corresponding reference value.
BASIS FOR RELIEF:
This requirement requires establishing a constant-reference flowrate each time an Inservice Test is performed by throttling the system so that operating parameters can be readily duplicated during subsequent tests.
This ECCS system is always in operation since it is the normal condensate supply to the Feedwater system. Throttling this system during power operation cannot be accomplished without causing flow and pressure fluctuat-ions along with reactor vessel level in-stability. At 100% reactor power, the flow-rate and discharge pressure of these pumps remain virtually at a constant which is-readily duplicated during each. inservice test ~
and meets the intent of the test requirement.
ALTERNATE TESTING:
Inservice Testing will be performed in the as-found s operation.ystem lineup during normal power
PUMP RELIEF R_EQUEST NUMBER:
R-4 COMPONENTS:
Condensate Pumps A,B, and C.
TEST REQUIREMENT:
Measure pump differential pressure during Inservice Testing.
BASIS FOR RELIEF:
Relief is requested from calculating suction pressure required for measurement of pump differential pressure.
These pumps take suction from the condenser hotwells which are under a vacuum. No suction pressure inst-rumentation is installed. The hotwell level remains virtually constant due to-the hotwell level controller system and once set never-changes during power ope, ration, so pum,p suction pressure is a constant value.
ALTERNATE TESTING:
Hotwell level will be measured along with pump discharge pressure in lieu of calculat-ing differential pressure. Data acquisition will be simplified with less opportunity for error and is adequate to monitor pump per-formance and meet the intent of the test requirement.
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PUMP RELIEF REQUEST
_ NUMBER:
R-5 COMPONENTS:
Condensate Booster Pumps A,B, and C.
TEST REQUIREMENT:
Measure individual pump flowrates during Inservice Testing nominally every 3 months.
BASIS FOR RELIEF:
No individual pump flowrate instrumentation is installed on these pumps. All 3 pumps are in service during normal plant oper-ation and pump into a common header. No system header flowrate instrumentation is installed.
ALTERNATE TESTING:
During the quarterly Inservice Test, pump differential pressure and motor current will be measured and trended.
A project assignment (PA) has been issued to investigate, and if practical, design, procure and install permanent instrumen-tation for flowrate measurement for these pumps. This PA is being evaluated under the Millstone Unit 1 Integrated Safety Assess-sent Program (7. SAP) and will be scheduled accordingly.
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C PUMP RELIEF REQUEST NUMBER:
R-6 COMPONENTS:
Condensate Booster Pumps A,B and C.
TEST REQUIREMENTS:
The resistance of the system shall be varied until either the measured differential pressure or the measured flowrate equals the corresponding reference value.
BASIS FOR RELIEFi This requirement requires establishing a constant reference flowrate each time an inservice test is performed by throttling the systsm so that operating parameters can-be readily duplicated during subse@ent tests. This ECCS system is always in oper-ation since it is the normal condensate supply to the reactor vessel. Throttling this system during power operation cannot be accomplished without causing flow and pressure fluctuations along with reactor vessel level instability. At 100% reactor power, the flowrate and discharge pressure of these pumpo remain virtually at a ecnstant which is readily duplicated during each inservice test and meets the intent of the test requirement.
ALTERNATE TESTING:
Inservice testing will be performed in the as-found s operation.ystem lineup during normal power l
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L PUMP RELIEF REQUEST NUMBER:
R-7 COMPONENTS:
Reactor Feedwater Pumps A,B and C.
TEST REQUIREMENTS:
L The' resistance of the system shall be varied until either the measured differential pressure or the measured flowrate equals the corresponding reference value.
BASIS FOR RELIEF:
Thie. requirement requires establishing a constant reference flowrate each time an inservice. test is performed by throttling the system so that. operating parameters can be readily duplicated during subse@ent tests. This ECCS system is always in oper-ation since it is the normal feedwater supply to the reactor vessel. Throttling this system during power operation cannot be accomplished without causing flow and pressure fluctuat-ions along with reactor vessel level insta-bility. At 100%. reactor power, the flowrate and~ discharge pressure of these pumps remain virtually at a constant which is readily duplicated during each inservice test and meets the intent of the test requirement.
ALTERNATE TESTING:
Inservice testing will be performed in the as-found s operation.ystem lineup during normal powei-J
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PUMP RELIEF REQUEST l
lt NUMBER:
R-8 COMPONENTS:
Reactor Feedwater Pumps A,B and C.
TEST REQUIREMENTS:
An inservice test shall be run on each pump nominally every 3 months during plant operation.
--BASIS PCR RELIEF:
Two of the three reactor feedwater pumps are in operation during normal plant operation.
On the average of every three months, the idle pump is started and one of the operating pumps is shutdown to equalize wear. Several years of operating egerience of the feed-water pumps have established this schedule as being the most effective in terms of equip-ment reliability, operational readiness, and reduction of potential feed flow transients which might. happen by pump switching.
ALTERNATE TESTING:
Inservice testing will be performed on the operating pumps in accordance with the IST Program.
PUMP RELIEF REQUEST NUMBER:
R-9'
. COMPONENT:-
Emergency Condensate Transfer Pump TEST REQUIREMENT:
The resistance of the system shall be varied until either the measured differ-ential pressure or the measured flow-rate e value.quals the corresponding reference BASIS FOR RELIEF:
During FWCI operation, this pump takes a suction from the condensate storage tank and pumps water into the condenser hotwell to provide a supply-of makeup water for the condensate and feedwater systems. This
. hydraulic circuit allows only about 8 minutes of operation before the hotwells are filled. Throttling to a constant flow-rate or constant differential pressure can-not be established due to the design and function of the system. Flow and pump dif-farential pressure instrumentation are, installed on this pum. Inservice testing is performed during e actual running condition that the system is designed for.
A review of past test results indicate virtually no change of the test paramete due to the level in the condensate stora tank being maintained within a normal oper-ating range.
ALTERNATE TESTING:
Inservice testing will be performed in the as-found condition. Pump flowrate, vibrat-ion and differential pressure measurements will be'obtained as required by the test requirement.
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l PUMP RELIEF REQUEST NUMBER:
R-10 COMPONENTS:
Service Water Pumps A,B,C and D.
Emergency Service Water Pumps A,B,C and D.
TEST REQUIREMENT:
Measure pump differential pressure during inservice testing.
BASIS FOR RELIEF:
There are no suction pressure gauges instal-led on these pumps because there is no suction piping associated with these pumps.
These cumps are verticle turbine, deep well, line shaft pumps. The pump ist stage impeller is open to seawater and is always flooded.
The minimal tidal swing experienced from Niantic Bay is inconsequential in regard,to differential pressure measurement.
ALTERNATE TESTING:
Measure pump discharge pressure in lieu of calculating differential pressure from sea level. Pump discharge pressure measurement will provide sufficient information to adewately assess service water pump con-dition and will meet the intent of the test requirement.
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1 PUMP RELIEF REQUEST l
NUMBER:
R-11 i
COMPONENTS:
Service Water Pumps A,B,C and D.
TEST REQUIREMENT:
Measure individual pump flowrates during inservice testing.
i BASIS FOR RELIEF:
No flowrate instrumentation is installed in this system. During power operation either one, two and sometimes three service water pumps are operated in parallel and discharge into a common service water supply header.
ALTERNATE TESTING:
Pump discharge pressure motor current, and I
vibration velocity testin during inservice testing.g will be performed A Project Assignment (PA) has been issued to investigate, and if practical
- design, procure and install permanent ins,trumentation for flowrate measurement for these pumps.
This PA is being evaluated under the Mill-stone Unit 1 Intgrated Safety Assessment Prgram (ISAP) and will be scheduled accord-ingly.
An engineering design review has been performed on the installation of individual pump flow rate instrumentation.
The review has concluded that individual flow rate instrumentation is not possible due to the piping design configuration (e.g. turbulent flow.
The instrumentation evaluated was both) ultrasonic and mechanical measuremen systems.
System flow rate instrumentation can be installed on the common discharge headers and will be used to acp ire individual pump flow rates during cold shutdown and refuel outages when each service water pump can be operated individually.
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PUMP RELIEF REQUEST NUMBER:
R-12 COMPONENTS:
Service Water Pumps A,B,C and D.
TEST REQU.IREMENT:
The resistance of the system shall-be varied L
until either the measured flowrate or the measured differential pressure equals the corresponding reference value during an inservice test.
BASIS FOR RELIEF:
This requirement re@ ires establishing a constant reference flowrate each time an inservice test is. performed by throttling the system so that operating parameters can be readily duplicated during subsequent tests.
The service water system is a variable resistance system nat cannot be throttled to a fixed reference value. This' system is always in operation with flow varying accord-ing to the heat load of the components the system supplies, changes in sea water inject-ion temperature and operating pump combinat-ions.
ALTERNATE TESTING:
Perform inservice testing in the "as-found"
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condition of the system. Pump discharge pressure, motor current and vibration velocity measurements will be taken to evaluate pump performance to meet the intent of the test requirement.
New range limits of
-pump discharge pressure are established that allow acceptable operation using less conser-vative ranges other than those shown in the Ranges of Test Parameters Table. Analysis of the system operating under variable flow con-ditions has shown that overall pump perform-ance is not degraded from its intended function.
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J PUMP RELIEF REQUEST NUMBER:
R-13 l
COMPONENTS:
Standby Liquid Control Pumps A and B.
TEST REQUIREMENT:
Measure differential pressure during Inservice Testing.
i BASIS FOR RELIEF:
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These pumps are positive displacement.
No suction pressure instrumentation is installed.
i During the Inservice Test, pump discharge pres-sure is throttled to a constant value when the capacity is measured.
ALTERNATE TESTING: Pump flowrate and discharge pressure are measured to ensure pump performance in accord-ance with the test requirements.
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PUMP RELIEF REQUEST NUMBER:
R-14 COMPONENTS:
Reactor Building Closed Cooling Water Pumps A and B (RBCCW).
TEST REQUIREMENT:
The resistance of the system shall be varied until either the measured differential pressure or the measured flowrate equals the corresponding reference value.
BASIS FOR RELIEF:
This requirement re@ ires establishing a constant reference flowrate each time an inservice test is performed by throttling the system so that operating parameters can be readily duplicated during subsequent in-service tests.
The RBCCW system is a variable resistance system that cannot be throttled to a reference value. This system is always in operation with the flowrate varying according to the heat load of the components the system supplies.
ALTERNATE TESTING:
Inservice testing will be performed in the
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as-found system lineup.
New range l'imits of i
pump differential pressure are established Wat allow acceptable operation using less conservative ranges other than those shown in the Ranges of Test Parameters Table.
Analysis of the system operating under var-iable flow conditions has shown that overall pump performance is not degraded from its intended function.
I PUMP RELIEF REQUEST NUMBER:
R-15 COMPONENTS:
Reactor Building Closed Cooling Water Pumps A and B (RBCCW).
TEST REQUIREMENT:
Measure individual pump flowrates during inservice testing.
BASIS FOR RELIEF:
No flowrate instrumentation is installed in thin system and no bypass or test loop exists. One pump is normall with the other in standby. y in operation During the inservice test, pump differential pressure, motor current and vibration velocity are taken on the operating pump. Then the pumps are rotated and the same data is acquired on the other pump. By comparing the test results to each other, any degradation of the pump hydraulic performance can be readily ident-ified, since the system resistance is the same during the test and the pump different-ial pressures should be the same. This method of comparing one pumps tests results to the other has proven to be an effective,way of monitoring pump performance.-
ALTERNATE TESTING:
Pump differential pressure, motor current and vibration velocity will be measured during inservice testing.
A Project Assignment (PA) has been issued to investigate, and if practical, design, procure and install permanent instrumentation for flowrate measurement for these pumps.
This PA is being evaluated under the Mill-stone Unit 1 Integrated Safety Assessment Program (ISAP) and will be scheduled accordingly.
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I PUMP RELIEF REQUEST NUMBER:
R-16 COMPONENTS:
Secondary Closed Cooling Water Pumps A and B (SCCW).
TEST REQUIRE' MENT:
1 Measure individual pump flowrates during inservice testing.
BASIS FOR RELIEF:
No flowrate instrumentation is installed in this system and no bypass or test loop exists. One pump is normall with the other in standby. y in operation During the inservice test, pump differential pressure,,
motor current and vibration velocity are taken on the operating pump. Then he pumps are rotated and the same data is acquired on the other pump. By comparing the test results to each other, any degradation of the pump hydraulic performance can be readily ident-ified, since the system resistance is the same during the test and the pump different-ial pressures should be the same. This method of comparing one pumps tests results to the other has proven to be an effective way of monitoring pump performance.
ALTERNATE TESTING:
Pump differential pressure, and vibration
. velocity will be measured during inservice testing.
i A Project Assignment (PA) has been issued to investigate, and if practical, design, procure and install permanent instrumentation for flowrate measurement for these pumps.
This PA is being evaluated under the Mill-stone Unit 1 Integrated Safety Assessment i
Program (ISAP) and will be scheduled
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accordingly.
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PUMP RELIEF REQUEST NUMBER:
R-17 COMPONENTS:
Secondary Closed Cooling Water Pumps A and B.
TEST REQUIREMENT:
The resistance of the system shall be varied until either the measured differential pressure or the measured flowrate equals the corresponding reference value.
BASIS FOR RELIEF:
This test requirement requires establishing a constant reference flowrate each time an inservice test is performed by throttling the system so that operating parameters can be readily duplicated during subsequent in-service tests.
This system is a variable resistance system that cannot be throttled to a reference value. This system is always in operation with the flowrate varying according to the heat load of the components the system supplies.
AUTERNATE TESTING:
Inservice testing will be performed in the as-found system lineup. New range limits of pump differential pressure are established that allow acceptable operation using less conservative ranges other than those shown in the Ranges of Test Parameters Table.
Analysis of'the system operating under variable flow conditions has shown that overall pump performance is not degraded from its intended function.
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.I PUMP RELIEF REQUEST NUMBER:
R-18 COMPONENTS:
Shutdown Cooling. Pumps A and B.
TEST REQUIREMENTS:
Measure individual pump flowrates during Inservice Testing.
BASIS'FOR RELIEF:
No flowrate instrumentation is installed in this. system. During the Inservice Test
~at cold shutdown, each pump is operated at shutoff head with some recirculation flow for cooling through the minimum flow-recirculation line. Differential pressure-and' vibration spectrum data are acquired.
By comparing the test results to each-other and previous tests, any degradation of the pump hydraulic performance can readily be identified, since the system resistance is the same during the test and pump differ-ential pressure should basically be the same. This method of comparing one pumps test results to the other.and previous tests is an effective way to monitor pump performance and meet the intent of the test requirement.
ALTERNATE TESTING 1 Pump differential pressure measurement and comparison, along with vibration velocity measurements will be taken in lieu of flowrate measurement.
A Project Assignment (PA) has been issued to investigate and if practical, design, procure and ins, tall permanent instrumentation for flow rate measurement for these pumps.
This PA is being evaluated under the Mill-stone Unit 1 Integrated Safety Assessment PrMram (ISAP) and will be scheduled accord-ingly.
l' PUMP RELIEF REQUEST NUMBER:
R-19 COMPONENTS:
Shutdown Cooling Pumps A and B.
TEST REQUIREMENTS:
An Inservice Test shall be performed on each pump nominally ever normal plant operatien. y 3 months during BASIS FOR _ RELIEF:
These pumps can only be operated during cold shutdown or reactor refueling when the-system is being used to remove residual heat. Interlocks prevent opening the shut-down cooling isolation valves when reactor recirculation loop temperature is greater than 350 degrees temperature.
ALTERNATE TESTING:
Inservice Testing will be performed at cold shutdown and at reactor refueling if the shutdown cooling system is placed in operation.
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PUMP RELIEF REQUEST NUMBER:
R-20 i
COMPONENTS:
Control Rod Drive Pumps A and B.
TEST REQUIREMENT:
An Inservice Test shall be performed on
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each pump nominally ever normal plant operation. y 3 months during BASIS FOR RELIEF:
Only one CRD pum plant cperation.p is in service during The pumps are rotated when the pump suction strainers require changing (approximately 3 months). Observation of these pumps has shown that frequent starts and stops of these high pressure pumps lead to-pump degradation.
ALTERNATE TESTING:
Inservice testing will be performed on the operating pump at least once every 3 months in accordance with the Pump Test Require-ments Table.
7 PUMP RELIEF REQUEST NUMBER:
R-21 COMPONENTS:
Diesel Fuel Oil Transfer Pumps A and B.
Gas Turbine fuel Oil forwarding Pumps A and B.
TEST REQUIREMENT:
Measure pump differential pressure during Inservice Testing.
BASIS FOR RELIEF:
There are no pump suction pressure gauges installed on these pumps because there is no suction piping associated with pumps of this type design. These pumps are vertical turbine, deep well, line shaft centrifugal pumps. The 1st stage impeller is open to the fluid pumped and is always flooded.
The diesel fuel oil storage tank is normally filled to capacity so suction pressure is virtually a constant value.
ALTERNATE TESTING:
Measure pump discharge pressure in lieu of pump inlet pressure and differential pressure during Inservice Testing.
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PUMP RELIEF REQUEST NUMBER:
R-22 COMPONENTS:
Diesel Fuel Oil Transfer Pumps A and B.
TEST REQUIREMENTS:
Measure individual pump flowrates during Inservice Testing nominally every 3 months.
BASIS FOR RELIEF:
No flowrate instrumentation is installed in this system. During operation of the diesel, pump discharge pressure and vibration velocity measurements will be acquired, evaluated and trended at least once every 3 months. The performance of these pumps is verified satisfactorily by the control room.
operators each time the diesel is operated, during the monthly Technical Specification Surveillance, by verifying that the pump capacity is greater than the fuel consumpt-ion of the diesel generator when running at rated load.
ALTERNATE TESTING:
Perform inservice testing at least once every 3 months, by measuring pump discharge pressure and-vibration velocity.
A project assignment (PA) has been issued te investigate, and if practical, design, procure, and install permanent instrumental-ion for flowrate measurement for these pumps. This PA is being evaluated under the Millstone Unit 1 Integrated Safety Assess-ment Program (ISAP) and will be scheduled accordingly.
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PUMP RELIEF REQUEST NUMBER:
R-23 COMPONENTS:
Gas Turbine Generator Fuel Forwarding Pumps A and B.
TEST REQUIREMENT:
Measure individual pump flowrates during inservice testing nominally every 3 months.
BASIS FOR RELIEF:
No flowrate instrumentation is installed in this system.
ALTERNATE TESTING:
Pump discharge pressure and vibration velocity will be measured, evaluated and trended during inservice testing at least once every three months.
A Project Assignment (PA) has been issued to investigate, and if practical, design, procure and install permanent instrumentation for flowrate measurement for these pumps.
This PA is being evaluated under the Mill-stone Unit 1 Integrated Safety Assessment Program (ISAP) and will be scheduled accord-ingly.-
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PUMP RELIET REQUEST NUMBER:
R-24 COMPONENTS:.
Reactor Feedwater Seal Injection ~ Pumps A,B, and C.
TEST REQUIREMENT:
Measure individual pump flowrates during inservice testing nominally-every 3 months.
BASIS FOR RELIEF:
No flowrate instrumentation is installed in this system.
, ALTERNATE TESTING:
Pump' differential pressure:and vibration velocity will be measured, evaluated, and-trended during inservice testing at least once_every 3 months.
A Project Assignment (PA) has been issued to investigate, and if practical, design, procure and install permanent instrumentation for flowrate measurement for these pumps..
This PA is being evaluated under the Mill-stone Unit 1 Integrated Safety Assessment Prgram (ISAP) and will be scheduled accord ~
ingly.
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VALVE INSERVICE TESTING i
1 1
I l
r VALVE-INSERVICE TESTING 1.
SCOPE This Pro testing' gram establishes the requirements for inservice of certain safety related valves and pressure r
relief. devices (and.their actuating and position-indication systems at Millstone Nuclear Power' Station Unit 1.-The' active o)r passive valves included in this program are those which are required to perform a-specific function in shutting down the reactor to the cold shutdown condition, maintaining
.the cold shutdown-condition or in mitigating the consequences-
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of an accident.
i The pressure relief devices included are those for. protecting systems or portior,s of systems which perform a required l
. function in shutting down the reactor to the cold shutdown condition, maintaining the cold shutdown condition or in mitigating the consequences of an accident.
Component relief E
valves (thermal reliefs) are not included.
Valves that are not required to perform a specific function such as those used only for operating convenience such as vent, drain, instrument and test valves are-not included in
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this test program. Valves used only for system control, such
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as pressure regulating valves,. valves used for system main-1 tenance, and external control and protection systems respon-
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sible for sensing plant conditions and providing signals for valve operation are excluded from the requirements of this program.
2.
DEFINITIONS A. Active Valves - Valves which are required to change obtur-ator position to accomplish their required function.
B. Exercising - The demonstration based on direct visual or indirect positive indications that the moving parts of a valve function.
C. Full Stroke Time - The time interval from initiation of the actuating signal to the indication of the end of the operating stroke.
D.
Plant Operation - The conditions of startu power, dot standby, and reactor cooldown, p, operation at as defined by the Unit Technical Specifications.
E. Obturator - Valve closure member (disk, gate, plug, ball, butterfly, etc.).
F. Passive Valve - Valves which maintain obturator position and are not required to change obturator position to accomplish the required function as defined in the scope of this program.
G. Reactor Coolant Pressure Isolation -That function which
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prevents intersystem overpressurization between the reactor coolant system and connected-low pressure systems.
H. Reference Values - One or more values of test parameters measured or determined when the equipment is known to be.
operating acceptably.
I. Operational' Readiness - The ability of a valve to perform' its intended function.
i 3.
CATEGORIES OF VALVES Category K - Valves for which seat leakage is limited to a A.
specific. maximum amount in the closed position for fulfil-1 ment of their required function.
B. Category B - Valves for which seat leakage in the closed
. position is inconsequential for fulfillment of their re-quired function.
C. Category C - Valves which are self-actuating in response to some system characteristic,.such as pressure (relief' valves) Ant flow direction of their required function.(check valves) for fulfillment D. Category D - Valves which are actuated by an energy source capable of only one operation that are explosively actuated.
4.
CATEGORY A AND B VALVE TEST REQUIREMENTS Inservice testing shall'be performed in accordance with this prgram when the valves are required to be operable to ful-fill their required' function.
Reference values (valve stroke times) shall be determined from tho'results of preservice testing or the results of inservice testing under conditions as near as practicable to these expected during subsequent tests.
Reference values shall only be established when the valve is known to be operating acceptably. If the particular parameter being measured can be significantly influenced by oder related conditions, then these conditions shall be analyzed.
When a valve or its control system has been replaced, repaired or has undergone maintenance (e.g., adjustment of stem packing, limit switches, or removal of the bonnet, stem assembly, actuator, obturator, or control system components) that could affect the valve's performance, a new reference value shall be determined or the previous value reconfirmed by an inservice test. This test will be run prior to the time the valve is returned to service or immediately if not removed from service, to demonstrate that performance parameters which could be affected by the replacement, repair or maintenance are within acceptable limits.
Deviations between the previous and new reference values shall be identified and analyzed. Verification that the~new value represents acceptable operation shall be documented in the record of tests.
Safety and relief valves and nonreclosing pressure relief devices shall be tested as required by the replacement, repair and maintenance requirements of ANSI /ASME OM-1.
It'it is desirable for some reason to establish additional reference values, an inservice test shall-first be run at the conditions of an existing set of reference values; or, if not
' practical, at the conditions for-which the new reference values are required and the'results analyzed. If operation is accept-able, a second test shall be performed under-the new conditions as soon as practical. The results of the second test shall establish the additional reference values. Whenever additional reference values are established,-the' reasons for doing so shall be justified and documented in the record of tests.
j 5.
CATEGORY A AND B VALVE TEST FREQUENCIES Category.X and E valves anall be full stroke exercised to the position required to-fulfill their function during plant operation nominally every 3 months.
If full stroke exercising is not pr4cticable during plant oper-ation, it may be limited to part stroke operation during~
operation and full stroke operated during cold shutdowns. plant 1
If exercising is not practicable'during plant operation, it may be' limited to full stroke exercising during cold shutdown.
If exercising is not practicable during plant operation and full stroke exercising during cold shutdown is also not practicable, it may be limited to part stroke exercising during cold shutdowns, and full stroke exercising during refueling outages.
If exercising is not practicable during plant operation or cold shutdowns, it may be limited to full stroke exercising during refueling outages.
Valves requiring full stroke exercising at cold shutdowns shall be exercised during each cold shutdown. Such exercise is not j
required if the time period since the previous full stroke exercise is less than 3 months.
J Valve exercising during cold shutdown shall commence within 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> of achieving cold shutdown and continue until all testing is complete or the plant is, ready to return to power.
However, it is not the intent of this requirement to keep the plant in cold shutdown in order to complete cold shutdown testing.
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- _ _ _ - - - - - - - - - - - - ~ -
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l All valve testing required to be performed during a reactor refueling outage.shall-be completed prior to returning the-plant to operation.
Active and Passive Valves with remote position indicators shall be observed locally at least once even two years to verify that valve operation is accurately indicated.
R valves requiring leakage rate tests shall be performed at least I
once every two years.
6.
CATEGORY A AND B VALVE EXERCISING REQUIREMENTS The necessan vilve obturator movement shall be determined by exercising de valve while observing an appropriate indicator, such as indicating lights which signal the rew ired change of obturator position, or by observing other evidence, such as changes in system pressure, flow rate, which reflect change of obturator position. level, or temperature, The limiting value(s)ied in the IST Valve List Tablesof full stroke time ated valve are specif and are t
also specified on each respective valve surveillance data sheet.
The stroke time for all power operated valves shall be measured to at least the nearest second.
Any abnormality or erratic action shall be recorded and an evaluation shaA1 be made regarding need'for corrective action.
Valres which operate in the course of plant operation at a frequency which would satisfy the exercising requirements of this program need not be additionally exercised, provided that the observations otherwise required for testing are made and analyzed during operation and are recorded in the plant record at intervals no greater than allowed by the valve test fre-quencies.
Valves with fail-safe actuators shall be tested by observing the operation of the actuator upon loss of valve actuating power in accordance with the frequencies and appropriate relief requests given in the IST valve List Tables.
For a valve in a system declared inoperable or not required to be operable the exercising test schedule need not be followed. Within 3 monthe prior to placing the system in an operable status, the valves shall be exercised and the test schedule followed in accordance with the IST Valve List Table.
7.
CATEGORY A AND B STROKE TIME ACCEPTANCE CRITERIA Valve str6ke tiEas acquired during the inservice test shall be compared to the initial reference valve stroke time or ref-erence values established in accordance with section 4.
Electric. motor operated valves with reference stroke-times greater than 10 seconds shall exhibit no more than~a +15%
change in stroke time when compared to the reference value.
Electric motor operated valves with reference stroke times less than or equal to 10 seconds shall exhibit no more than a
+25% or +1 second change in stroke time, whichever is greater when' compared to the reference value.
with reference stroke times greater than 10 seconds shal to the reference stroke ~ time. exhibit no more than a +254 change in str with reference stroke times less than or equal to-10 seco shall exhibit no more than a +50% change in stroke time when compared to the reference value.
The stroke time for valves that change position in less than 2 provided that the measured-stroke time is less than 2 seco 8.
CATEGORY A AND B VALVE CORRECTIVE ACTION If a valve's stroke time exceeds the maximum specified stroke time, fails to fall within the acceptable ranges specified in the valve test surveillance or fails to exhibit the rewired change of obturator position, the valve-shall be immediately declared' inoperable and action as required by Plant Technical S ecifications shall be initiated.
s all be submitted.
A Plant Incident Report Valves declared inoperable may be repaired data may be analyzed to determine the cause, replaced, or the of the deviation and the valve shown to be operating acceptably.
valve operability based upon analysis shall have the results of the analysis recorded in the record of tests.
Prior to returning a repaired or replaced valve to service, a test demonstrating satisfactory operation shall be performed.
9.
VALVE SEAT LEAKAGE RATE TESTING Containment isolation ~ valves that are Appendix J Type C, leak tested are included in this'IST Program and are c,ategorized as A or A/C.
for testing these valves are determined by Plant TechnicalThe ap Specifications which is in accordance with 10 CFR 50 Appendix J.
Leakage rate measurements shall be' compared to the permissible leakage rates specified in Tachical Specific-ation 4.7.A.3.e.
1 valves or valve c(om)binations with leakage rates exceeding thef values specified in Technical Specification 4.7. A.3.e. (1) be declared inoperable and either repaired or replaced.
shall A
following any re pired corrective action before the valve is returned to service.- (Ref: Relief Request V-9).
Containment isolation valves listed in the 10 CFR 50 Appendix J Program that do not receive a Type C local leak rate test are also included in this IST Program and are categorized as A or A/C.
Relief requests for exemption from leak testing these Millstone Unit 1 Appendix J Program submittal under sep docket. (Ref: Relief Request V-32).
containment isolation valves which also provide a reactor coolant system pressure isolation function are specified in the l
IST Valve List Tables along with specific relief requests that j
provide the basis that system design 4
operational observations i
and alternate testing constitute sat 1sfactory seat tightness.
(Ref: Relief Requests V-48 and V-49).
j Valves which perform a function other than containment isolation or pressure isolation are also specified in the IST valve List Table along with specific relief repeats that provide the test methods and acceptance criteria (Ref: Relief Requests V-42 and V-43).
10.
CHECK VALVE TEST REQUIREMENTS
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Check valves ~wHIch operate in the course of plant operation at a frequency'which would satisfy the exercising requirements of this Program need not be additionally exercised provided that the ob'servations otherwise required for testing are macs and analyzed during such operation and are recorded in the plant recorde et intervals no greater than the test frequency as specified in Section 11 of this Valve Test Program.
Valve obturator movement shall be demonstrated by exercising the valve and observing that either the obturator travels to the seat on cessation or reversal of flow, or opns to the position required to fulfill its intended function.
Observation may be made by observing a direct indicator such as changes in system pressure, flow rate, level, temperature, seat leakage testing or other positive means.
As an alternative to the testing as given in the above, dis-assembly of check valves may be used to verify operability.
(Ref: Relief Request V-41).
11.
CHECK VALVE TEST FREQUENCIES l
Check valves shall be exercised or examined during plant oper-ation in a manner which verifies obturator travel to the clos-ed, full open or partially open pcsition required to fulfill its function nominally every 3 months.
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u If full stroke exercising during plant operation is not pract-ical, it may be limited to part stroke exercising during plant operation and full stroke exercising during cold shutdowns.
be limited to full stroke exercising during cold shutdowns.If exe If exercising is not practical during plant operation and full stroke exercising is also not practical, it may be limited to part stroke exercising during cold shutdowns, and full stroke exercising during refueling outages.
If exercising-is not practica1'during plant operation or cold shutdowns refueling, outages.it may be limited to full stroke exercising during Valves requiring exercising at cold shutdowns shall be exercis-ed during each cold shutdown. Such exercising is not repired i
if the time period since the-previous full stroke exercise is less than 3 months.
Valve exercising shall commence within 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> of achieving cold shutdown, and continue until all testing is complete or-the plant is ready to return-to power. However, it is not.the intent of this program to keep t2e plant in cold shutdown in
-order to complete all cold shutdown testing.
All check valve testing required to be performed during a refueling outage shall be completed prior to returning the plant to operation.
12.
CHECK VALVE CORRECTIVE ACTION If a check valve falls to exhibit the required change of obturator position, it shall be declared inoperable and action as required by Plant Technical' Specifications shall be initiated.
A Plant Incident Report shall.be submitted. A retest showing acceptable performance shall be run following any required corrective action before the valve is returned to service.
13.
EXPLOSIVELY ACTUATED VALVE TESTS A record of the service life of each charge in each valve shall be maintained. This record shall include the date of manufac-ture, batch number installation date and the date when service life expire,s based on the manu,facturer's recommen-dations. In no case shall the service life exceed ten years.
Concurrent with the first test and at least once every two years, the service life records of each valve shall be review-ed to verify that the service life of the charges have not been exceeded before the next refueling outage. Appropriate action shall be taken to ensure charge service life is not exceeded.
s At least 20% of the charges in explosively actuated valves shall be fired and re charge fails to fire,placed at least once every 2 years. If a all charges with the same batch number shall be removed, discarded, and replaced with charges from a different batch. (Ref: Relief Request V-35).
Replacement charges shall be from batches from which a sample charge shall have been tested satisfactorily and with a service life such that the requirements of the above are met for subsequent. inspection periods.
14.
VALVE RECORDS AND REPORTS The following records shall be maintained for each valve included in the IST Valve Program if available.
-A. The manufacturer and manufacturer's model and serial or unique identification number.
B. A copy or summary of the Manufacturer's acceptance test report.
C. Preservice test results.
D. The limiting value of full stroke time as specified in Valve List ~ Table.
The following record of test plans shall be maintained for each valve in the IST Valve Program. (Ref: IST Valve List. Tables).
A. Identification of valves subject to test.
B. Category _of each valve.
C. Tests to be performed.
D. Justification for deferral of stroke testing.
15.
RECORD OF TESTS Each Record of test shall include the following:
A.
Valve identification.
B.
Date of test.
C.
Reason for test (e.gilshing reference values, post Tech Spec surveillance, routine inservice test estab maintenance restoration, etc).
D.
Values of measured parameters.
E.
Identification of instruments used.
F.
Comparisons with allowable ranges of test values and analysis of deviations.
1 G.
Requirements for corrective action.
l l
Signature of the person or persons responsible for H.
conducting and analyzing the test.
16.
RECORD OF CORRECTIVE ACTION
~
Records of corrective action shall-be maintained which shall include a summary of the corrections made and the subsequent inservice tests and confirmation of operational adequacy and the signature of the individual responsible for corrective action and verification of results.
F 1
LEGEND FOR VALVE TESTING AO
- Air operated valve BALL - Ball valve BFLY - Butterfly valve i
B31.1. ANSI /ASME B31.1 Power Piping Code CL
- Closed valve position CIV
- Containment isolation vcive CK
- Cold shutdown DIAP - Diaphragm seated valve FP
- Fire protection FT
- Fail-safe actuator GA
- Gate valve CL
- Globe valve LT
- Leak test LLRT - Local Leak Rate Tested valve in accordance with 10 CFR 50 Appendix
'J' type
'C' test.
MO
- Motor operated valve MT
- Stroke time measurement OP
- Open valve position PI
- Position indication test PLUG - Plug type valve, rotary actuated 1
FCRV - Power Operated Relief Valve Q
- Quarterly REL
_ Relief Valve RR
- Reactor refuel outage SHEAR-Explosively actuated valve SOL
- Safety and relief valve surveillance
{
l THL
- Throttle valve VB
- Vacuum breaker L __
I A
ly4 1
l l
l l
f-1 e
c n
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G r
A e
P S
f K
e R
R A
M fn E
oe R
p
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1 o 1t ALTERNATIVE S
S S
S S
S TESTING C
C C
C C
C REQUEST 0
0 0
0 0
0 15 15 15 15 15 15 RELIEF VV VV VV VV VV VV
,I T
REQUIREMENT V
TI R
Q QMP S
TESTING S
I P0SITION L
L L
P P
P P
P P
N0RMAL C
C O
O O
O O
O E
ACTUATI0N O
V M
L L
K A
K K
K K
K K
A VALVE TYPE E
C G
C C'
C C,
C C
V R
~_
SIZE INCHE3 3
1 1
2 2
2 2
2 2
4 4
0 0
0 0
0 0
T SN O
N I
I O
T S
I C
N T
A B
C E
A K
A
~
1 J R
C L
N T
E O
P P
P I
F H
S M
M M
EE C
I U
U U
TI P
P P
PT N
AL E
E A
B C
R R
R N
O SE G
G ML A
I NR R
R E
E E
T E
A A
PK PK PK SK SK SK T
T T
O P
D)
H H
MC MC MC OC OC OC O
I NT C
R OC S
S PH PH PH BH BH Bl C
CE I
I C
C C
C C
C R
S l
(
D D
E E
E E
E E
E E
Y T
CP P
P AG AG AG AG AG AG W
NM M
M SR SR SR SR SR SR D
EU U
U NA NA NA NA NA NA E
GP P
P EH EH EH EH EH EH E
ER T
T NS NS NS NS NS NS ME C
E CD CD CD CD CD CD EM A
CATEGORY C
C B
C C
C C
C C
N 2
2 2
2 2
2 2
2 2
CIASS/
M ET
)
S R
1 Y
EE A
A B
C 6 -
6 6
A B
C 0
0 0
S VB 8X 9
9 2
2 2
3 3
3 LM
~
- C AU WF W
W H
H N
N N
N VH M-M M
C C
C C
C C
1 i
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i
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A T
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f N
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R A
R I
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C 2
3 4
3 5
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V V
V V
V RELIEF A
T REQUIREMENT TTI
/
T TI TT I
/
T A
Q MFP N
QM FP QMF P N
QM S
TESTING I
P0SITION L
L P
H L
H L
L L
C C
O T
C T
N0RMAL E
0 0
0 0
O 0
ACTUATI0N A
M A
A M
A VL Y
A L
L L
A L
A VALVE TYPE G
G F
G G
G B
V 6
6 6
4 6
4 SIZE IHCHES 1
1 T
SN gI O
E I
T I
T A
N C
S O
E N
C 1 J ED O
N R
R N
7 T
O L O
OR O
6 I
T O TS TE C
R PT N
C R CS S
N E V N
O E T EA YN O
C F G ML A
I J N JP LE TV S L T
E O EY PD C
1 N
O P
C B
PN TL A L O
I R
R UO C
D R L C
R I W IW SC EK N
T E C
A O AO JN U
H R
S L
L ER EA O
E T E
T O T
D E
E AN A
A H A
J M JM SI LE S
W U
U NB LG S
N R D
E E E
A I AI DO HR A
D S E
E N EN NC TO P
N N F
O E S M SM CR HS B
C D E
M A
CATEG0RY B
B B
B B
B M
2 2
2 2
2 2
CLASS /
M ETS R
1 Y
EE 8
0 0
7 9
S VB 5
6 7
6 6
7 LM AU H
N N
N N
W VN C
C C
C C
M 1
1 1
1 1
1 i
,ljil a
l lJ 3
e e
e e
c c
c c
n n
n n
E e
e e
e G
r r
r r
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S S
S S
S S
C C
C C
C C
C TESTING 6
6 6
7 7
7 7
REQUEST V
V V
V V
V V
RELIEF T
REQUIREMENT TI TI TI
- TTI, S
Q Q
Q QMP QMP QMP QMFP TESTING I
/
/
/
L POSITION PL PL PL P
P L
H L
OC OC OC O
O C
T NORNAL EV ACTUATION O
O 0
0 M
M M
A L
A K
K K
A A
A L
VALVE TYPE C
C C
G G
G G
V 8
8 8
4 4
4 2
T SIZE IHCHES 1
1 1
1 1
1 S
N I O I G
T N
C I
1 E K
J C
N O
I L
A B
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P T
N N
G G
P MA O
P P
P N
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L I
M M
M I
I O
L T
UK UK UK K
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R O
P PC PC PC C
C R
T O
I E
E E
O O
A N
C R
DH DI DH L
L T
O I
C EC EC EC B
B S
C R
S E
E E
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E E
T D
G G
W OA OA OA AT AT AT A
D TH TH TH WA WA WA W
RD RD RD FI FI FI F
EM A
CATEGORY C
C C
B B
B B
N 2
2 2
2 2
2 2
CLASS /
M ETS R
Y EE A
B C
A B
C A
S VB 2
2 2
4 4
4 5
LM AU W
W W
H W
W W
VN F
F F
F F
F F
1 I
1 1
1 1
1 l'
lll i
t
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V V
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I I
I I
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C C
C T
T T
T ALTERNATIVE S
S SR SR SR SR C
C CL CL CL CL TESTING L
L L
L REQUEST 7
7 3
89 89 89 89 1
RELIEF V
V V
VV VV VV VV V
T REQUIREMENT TT I TTI T
T T
T QMF P Q MFP QL QL QL QL Q
S TESTING I
L P0SITION H
L P
P P
P L
L T
C O
O O
O C
N0RMAL E
0 0
ACTUATION A
A O
V A
L L
L K
K K
K L
A VALVE TYPE G
G C
C C
C G
V 2
4 8
8 8
8 6
SIZE IHCHES 1
1 1
1 1
T N
SI O C
I T R
L C
I O
E C
R J
E T
1 N R
N I
O T
T T
T C
N N
N N
A T
E E
E E
PN N
P H
M M
M A
O L
U N
N N
N P
M0 L
I O
I I
I I
M T
R T
AK AK AK AK U
0 P
T R
I N
A NE NE NE NE R
O T
OH OH OH OH D
R C
C S
E S
E T
E R
R RN RN RH RN F
A D
E E
T T
TI TI TI TI R
D A
A AT AT AT AT O
E W
W WA WA WA WA T
E D
D DL DL DL DL C
F E
E E
F F
FI FI FI FI R
E M
C C
C C
A CATEG0RY B
B A
A A
A B
N 2
2 1
1 1
1 2
CLASS /
M E
TS R
A B
A Y
EE B
C A
B 0
0 4
S VB 5
S 9
9 1
1 1
LM AU W
W W
H W
W H
VN F
F F
F F
F F
1 1
1 1
1 1
1 l
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S C
C TESTING 0
0 0
0 0
REQUEST 1
3 1
3 5
5 5
RELIEF V
V V
V V
V V
T REQUIREMENT TTI TTI QMFP QHFP Q
Q Q
S TESTING I
I
/
/
/
P0SITION L
L PL PL PL L
C C
OC OC OC N0RMAL E
h 0
ACTUATI0N A
V L
L L
K K
K A
VALVE TYPE G
G C
C C
V SIZE IHCHES 6
6 2
2 2
T S
C C
R R
N N
N I
I I
O O
O C
C I
I I
E E
TK TK TK R
EE EE EE JH JH JH B
C NC NC NC P
I I
I N
E E
E O
P P
LG LG LG M
I M
U U
P P
SH SH SH I
C C
C R
DW DW DS DS DS C
EO EO EI EI EI
FF FF F
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TM TM T
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B C
C C
N 2
2 2
2 2
CLASS /
M ET B
C A
B C
S R
4 4
8 8
8 Y
EE 1
1 7
7 7
S VB LM W
W N
N N
AU F
F C
C C
VN 1
1 1
1 1
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l lL AI.TEHNATIVE S
S S
S S
S C
C C
C C
C TESTl NG
- i I
i 16 1 6 16 16 16 16 1
1 HEQUEST 133 133 133 133 1 33 133 1
1 HELIEF VVV VVV VVV VVV VVV VVV V
V T
HEQU1 HEMENT TT TT TT TT TT TT QMF QMF QMF QMF QMF QMF Q
Q S
TESTI NG I
P0SITI ON L
L L
L L
L L
L C
C C
C' C
C C
C l
N0HMAl
+
E L
L L
L L
L ACTUATI ON O
O O
O O
O V
S S
S S
L
, S S
L L
L L
L L
K K
A VALVE TYPE G
G G
G G
G C
C V
=_
SIZE INCHES 1
1 1
1 1
1 1
1 T
SIC K
K I L T
T C
C U
N N
E E
A E
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C C
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O O
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L A
A PVE N
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L L
N N
O O
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L L
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a L RL A
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H M
M S
S AO AO l
O C
A A
iS S
T T
t l
H S
R R
M M
C C
O O
l E
C C
A A
dN SN L
L L
D S
S R
R iI II I
I O
C C
iA DA P
P s
H R
R S
S R
R T
E E
HD MD M
M N
T T
S S
A A
A A
O S
S W
H iD RD R
H i
C A
A T
T N
CN C
C M
M A
A A
SA S
S E
M 1
A CATEG0HY B
B B
B B
C C
N a
2 2
2 2
2 2
2 CLAUS /
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TS A
B t
A B
C D
n B
2 2
l Y
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9 9
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0 2
2 S
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1 1
1 2
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KR AM ER ALTERNATIVE S
S R
S S
S S
C C
R C
C C
C TESTING 1
1 1
7 7
7 7
REQUEST 1
1 5
3 3
3 3
3 3
3 RELIEF V
V V
V V
V V
V V
V T
HEQUIRENENT T T TT T T TT Q
Q Q
QH F QMF QH F Q MF S
TESTING I
P0SITI0N L
L L
L L
L L
L C
C C
C C
C C
N0HMAL L
L E
O O
0 0
ACTUATI0N S
S A
A VL K
K K
L L
L L
A VALVE TYPE C
C C
G G
G G
V 5
SIZE IHCHES 1
7 5
5 5
1 7
5 T
SI C K
K C
C I L E
E U
H OH A
C TC O
D D
R T
I I
1 D R
TE O
O Y
E IM Y
N N
H D
NU L
E E
A UL P
L L
PV E
N E
O P
O O
O H
LV UK S
S MR I
I O
SC T
R RE E
R R
D P
I TG RH I
I I
A NR EC A
A T
D R
OA T
T S
O C
T R
U R
S O
C WO O
O E
A E
L CS T
L L
S H
L D
I II GA I
I N
X O
P LD NL P
P I
E R
U IU T
M AM GM M
M M
M N
A RA RU A
A A
A O
R DR AC R
R R
R C
C YC HC C
C C
C S
HS CA S
S S
S E
M A
CATEGORY C
C C
B B
B B
H 2
2 2
2 2
2 2
CLASS /
M E
T C
S R
2 4
5 7
8 6
7 Y
EE 2
1 1
1 1
2 2
S VB 1
1 1
1 1
1 1
LM AU 1
5 5
5 5
5 5
VN 0
0 0
0 0
0 0
3 3
3 3
3 3
3 k
E G
A P
S KR A
M E
R E
E E
E E
ALTERNATIVE N
N N
N N
O O
O O
O TESTING N
N N
N N
3 3
3 3
3 REQUEST 1
3 1
3 1
3 1
1 RELIEF V
V V
V V
V V
V T
REQUIREMENT T T TT TT QH F Q HF QHF Q
Q S
TESTING I
P0SITION L
L L
L L
L C
C C
C C
N0HMAL E
L L
L ACTUATI0N O
O O
V S
S S
L L
L K
K A
VALVE TYPE G
G G
C C
L V
5 5
5 5
5 SIZE IHCHES T
C SL I
I UA R
R D
E W
K O
1 Y T
A C
TT H
A R
T OE I
W D
R TH RN E
H E
C EU PIV N
T T
S R
D O
S I
I U
W I
DO EO T
H O
O ET T
D I
X T
T HN RN O
R E
O EO R
C R
R RC TC S
T E
E E
A L
E R
T T
TC WC O
D E
A A
AI I
R S
W W
WL GL T
N N
U NU I
E E
V V
VR LR C
D I
I ID OD R
R R
RY OY C
D D
DH CH E
M A
CATEG0RY B
B B
C C
N 2
2 2
2 2
CLASS /
M ETS R
1 2
3 7
8 Y
EE 2
2 2
3 3
S VB 1
1 1
1 1
LM AU 5
5 5
5 5
VN 0
0 0
1 1
t
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V 5
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o I
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2t T
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ALTERNATIVE S
R S
R S
R S
C L
C L
C L
C TESTING L
L L
4 4
4 4
REQUEST 1
3 9
1 3
9 1
3 9
1 3
RELIEF V
V V
V V
V V
V V
V V
T REQUIREMENT TT IT TTIT TT IT TT IT QHF PL QMF PL QMF PL QMF PL S
TESTING I
P0SITION P
P P
P L
O O
O O
N0RMAL E
O O
0 O
ACTUATI0N A
A A
A VL L
L L
L A
VALVE TYPE V
G G
G G
SIZE IHCHES 1
1 1
1 T
C SL I
I UA R
D 1 Y E
E E
E H
M M
M M
U U
U U
E L
L L
L PIV N
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V VU V
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I K
K T
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G GA G
G A D
I R
R B R
R B O
R A
A A
A R
C H T T
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l S
C N C N C N C N L
E S E S E S E S E O
D I V I V I V I V R
D D
D D
T R
R R
R N
M E M E M E M E O
A D A D A D A D C
R A R A R A R A C E C E C E C E S H S H S H S H E
M A
CATEGORY A
A A
A N
2 2
2 2
CLASS /
M ETS R
N H
S S
Y EE 1
2 1
2 S
VB LM V
V V
V AU D
D D
D VN S
S S
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T T
T T
ALTERNATIVE S
R S
R S
R S
R C
L C
L C
L C
L TESTING L
L L
L 4
4 4
4 HEQUEST 1
3 9
1 3
9 1
3 9
1 3
9 RELIEF V
V V
V V
V V
V V
V V
V T
REQUIREMENT TTI T TTI T TTIT T TIT Q MFP L QMFP L QMFPL QM FPL S
TESTING I
P0SITION P
P P
P L
O O
O O
N0RMAL E
O O
O O
ACTUATI0N A
A A
A VL L
L L
L A
' VALVE TYPE G
G G
G V
SIZE IHCHES 2
2 2
2 T-SIC K
K K
K I L N
N N
N U
A A
A A
A T
T T
T R
1 D E
E E
E Y
M M
M M
H U
U U
U L
L L
L PE N
O O
O O
V O
V V
V V
MR I
I T
EN E
EN E
D P
GO G
GO G
I RI R
RI R
D R
S CL CE CL CK E
AI AI AI AI O
CATEGORY A
A A
A N
2 2
2 2
CLASS /
M ETS R
N N
S S
Y EE 3
4 3
4 S
VB LM V
V V
V AU D
D D
D VN S
S S
S 1
1 1
1 I)1.
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f s fs f s fs P
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ALTERNATIVE TESTING 2
2 2
2 REQUEST 3
3 3
3 RELIEF V
V V
V T
REQUIREMENT TIT TI T TIT TIT Q MPL QMP LQMPLQ MPL Q Q
Q Q
S TESTING I
P0SITION P
P P
P L
L L
L L
O O
O O
C C
C C
N0RMAL E
O O
O O
ACTUATI0N M
M M
M VL A
A A
A K
K K
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OC OC OI N
S BE BE BD E
Y H
l i
L D
R NC NC ND L
A E
E EE E
D GY GY GNF W
N K OL OL OIE Y
O C RP RP RBI R
E H IU IU IOE SC NS NS NCR E
M A
CATEGORY C
C C
C N
3 3
3 3
CLASS /
M E
)
T y0 S
R l3 A
B Y
EE 1 r1 0
0 5
S VB 5 e-7 7
5 LM
- mA AU CrI C
C C
VN Ao-A A
A
- f1 1(
1 1
1 i
E E
E E
G S
S S
S A
O O
O O
P S
L L
L L
K C
C C
C R
A O
O O
O M
T T
T T
E R
C C
C C
E E
E E
S V
S V
S V
S I
I I
2 C
2 C
2 C
2 T
T T
ALTERNATIVE R
R R
L L
L TESTING L
L L
4 4
4 4
REQUEST 3 39 339 339 3 39 RELIEF V VV VVV VVV V VV T
REQUIREMENT TI TT T ITT TI TT TI TT QMP FL QM PFL QMP FL QMP FL S
TESTING I
/
/
/
/
P0SITION PL PL PL PL L
OC OC OC OC N0RMAL L
L L
L E
O O
O O
ACTUATION S
S S
S VL L
L L
L A
VALVE TYPE G
G G
G V
SIZE IHCHES 1
1 1
1 TR SZE D
R I Y A
L O
A B
N N
1 A I
D N
D R
E E
E R
A L
L PYG N
A O
P PN O
O B
M MO MX I
B T
A AI O
T N
U S
ST P
I O
A D
I L
LL N
R E
E L
LO A
C L
L E
ES S
P P
W WI N
E M N MN YN Y
E D
S I SI DI DR O
T T
T A
U b UL EL EB Y
M A
CATEG0HY A
A A
A H
2 2
2 2
CLASS /
M N
T 4
5 6
7 S
R 9
9 9
9 Y
EE 1
1 1
1 S
VB LM C
C C
G AU A
A A
A VN 1
1 1
1 l
E E
G S
S S
S A
O O
O O
P S
L L
L L
K C
C C
C R
A O
O O
O M
T T
T T
E R
C C
C,
C E
E E
E S
V S
V S
V S
V I
I I
I 2
C 2
C 2
C 2
C T
T T
T ALTERNATIVE R
R R
R L
L L
L TESTING L
L L
L 4
4 4
4 REQUEST 33 9
33 9
33 9
33 9
RELIEF VV V
VV V
VV V
VV V
T REQUIREMENT TIT T
TIT T
TIT T
TIT T
Q MPF L
Q MPF L
Q MPF L
QMPF L
S TESTING I
/
/
/
/
P0SITION P L P L P L P L L
O C O C O C O C N0HMAL L
L L
L E
O O
O O
ACTUATION S
S S
S VL L
L L
L A
VALVE TYPE G
G G
G V
SIZE IHCHES 1
1 1
1 TR SZ E
D R
I Y A
L L
L O
L L
A B
E E
N N
W W
1 A I
Y Y
R R
N E
E D
D E
L L
PG N
P P N O N O
Y O
M M O T O T N MO X
I A
A I
I O
T S
S T N T N
I P
A R A R T D
I L
L L U L U A N
R L
L O T O T L A
C E
E S E S E O S
W W I R
I R S N
E Y N Y
I E
D R O R D T D T
G D
I D R N R N D O
T A
E A E R R
R A R O U O U A D
E L E B L B L O Y
P O P T F T F B l
P S P U F
U F N I
UI UO EO EI E
M A
CATEGORY A
A A
A N
2 2
2 2
CLASS /
M E
TS R
8 9
5 6
Y EE 9
9 0
0 S
VB 1
1 2
2 LM AU C
C C
C VH A
A A
A 1
1 1
1
G S
S A
~
O O
P S'
L L
K C
C R
A O
O M
T T
ER C
C E
E S
V S
V I
I 2
C 2
C T
T ALTERNATIVE R
R L
L TESTING L
L 4
4 REQUEST 33 9 33 9 RELIEF VV V VV V T
REQUIREMENT TTI T TTI T Q MFP L QMFP L S
TESTING I
P0SITION L
L L
C C
N0RMAL L
L E
O O
ACTUATIOH S
S VL L
L
. A VALVE TYPE G
G V
4 4
SIZE IHCHES
/
/
T 3
3 S
I E
1 L E
E P
L L
M P
P A
M M
PS N
A A
O S
S MNT IT T
T A
P N
N L
I A
A O
R L
L O
C O
O C
S O
O E
C N C N R
D O
O O
R I
R I
T O T O T C
T A T A A
C L C L E
A O A O' R
E S E S R I R
I E
M A
CATEGORY A
A N
1 I
CLASS /
'M E
TS R
6 7
Y EE 3
3 S
VB LM R
R AU R
R VN
_1 1
w
G S
S S
S A
O O
O O
P S
L L
L L
K C
C C
C R
A O
O O
O M
T T
T T
ER C
C C
C E
E E
E S
V S
V S
V S
V I
I I
I 2
C 2
C 2
C 2
C T
T T
T ALTERNATIVE R
R R
R L
L L
L TESTING L
L L
L 4
4 4
4 REQUEST 33 9 33 9 33 9 339 RELIEF VV V VV V VV V VVV T
REQUIREMENT TIT T TIT T TIT T T ITT Q MPF L Q MPF L Q MPFL QM PFL S
TESTING I
P0SITION L
L L
L L
C C
C C
N0RMAL L
L L
L E
O O
O O
ACTUATI0N S
S S
S VL L
L L
L A)
VALVE TYPE G
G G
G VS S
A 4
4 4
4 P
SIZE IHCHES
/
/
/
/
T(
3 3
3 3
SE M
I TS Y
N S
O 1
N NI E
W WT L
O OA P
D DO S
S PA M
N T
TL U
U O
UN US R
R MS I
HO HI O
ON T
SI S
T TO T
P T
P I
N I
OA OU O
OT E
R TL TK T
TA D
C O
C L
I S
EO C
D U
U UO UI A
DG DG DI D
ON ON OT OP T
MI MI MA MU S
L L
L K
M A
CATEG0HY A
A A
A N
2 2
2 2
CLASS /
M E
TS R
7 0
4 5
Y EE 1
2 2
2 S
VB LM S
S S
S AU A
A A
A VN P
P P
P 1
1 1
1 i
lili'
.i l
(
0 35
.E E
E E
E VG S
S S
S EA O
O O
O RP S
L L
L L
K C
C C
C RA O
O O
O M
T T
T T
E R
C C
C C
E E
E E
S V
S V
S V
S V
V I
I I
I I
2 C
2 C
2 C
2 C
C
(
T T
T T
T ALTERNATIVE R
R R
R R
L L
L L
L TESTING L
L L
L L
6 REQUEST 39 39 39 39 49 RELIEF VV VV VV VV VV T
REQUIREMENT TITT TITT TITT TITT T
QMPFL QMPFL QMPFL QMPFL QL S
TESTING I
POSITION L
L L
L L
L C
C C
C C
NORMAL E
L L
L L
ACTUATION O
O O
O V
S S
S S
L L
L L
L L
L L
L K
A VALVE TYPE A
A A
A C
B B
B~
B V)
P 8
8 8
8 8
I SIZE IHC1 ES
/
/
/
/
/
1 TT 3
3 3
3 3
(
SE I BO K
R C
P E
1 l
E 1
2 3
4 C
i R
O L
L L
L N
PC N
E E
E E
O O
N N
N N
I MIN I
N N
N N
T T
A A
A A
A P
L l
l l
l i
l i
i G
I C
C C
C O
N R
S I
C E
E E
E I
S S
N N
N N
R E
IN IN IN IN E
E D
iO O
iO O
G l
I l
l I
l V
CI CI CI CI R
S AT AT AT AT U
N MA MA MA MA P
A L
L L
L R
PO PO PO PO P
T IS IS IS IS I
m TI TI TI TI T
E M
C A
CATEGORY A
A A
A A
N 2
2 2
2 2
CLASS /
M E
1 2
3 4
E T
V S
R EL Y
VB LN LN LN LN RV LM A
A A
A U
AU BE BE BE BE PK VN V
V V
V C
l l
lIll lljilll TW TW FW F6 FC e
G A
P S
K R
AM E
R V
V V
V I
I I
I C
C C
C ALTERNATIVE TESTING 5
2 5
2 5 2 5
2 HEQUEST 3
3 3
3 3 3 3
3 RELIEF V V V V V V V V T
REQUIREMENT T
T T
T S
a' TESTING L
L L
L I
P P
P P0S1 TION P
L O
O O
O N0RMAL P
P P
P E
X X
X X
ACTUATION E
E E
E V
R E
R R
L E
E E
E A
A A
A A
VALVE TYPE H
I l
l I
i i
S S
S S
V)P 8
8 8
8 I
SIZE IHCHES
/
/
/
/
T( T 3
3 3
3 SE I BO R
P 1
E 1
N 2 N 3
N 4 N R
O O
O O
O L
I L I L
I L I PC N
E T E T E T E T O
N A N A N A N A MI N
I N L N L N L N L T
A O A O A O A O P
S S
S S
i l
I I
l i
I I
G I
C I C I C I C I N
R I
C E E E E E E E E S
S N V N V N V N V R
E I L I L I L I L E
D A
H A A
A l
l I
i i
I V
C V C V C V C V S
A A
A A
N M B M B M B M B A
I I
I I
R P U P U P U P U T
I Q I Q I Q I Q T S T S T S T S E
M D
D D
D A
CATEG0RY A
A A
A N
2 2
2 2
CLASS /
M E
1 2
3 4
TS R
B.
B B.
B.
VB UN UN UN UN LM Q
Q Q
V V
V PL PL PL PL IA IA IA IA TW TW TW TU
E
+
G A
P S
KR A
M ER ALTERNATIVE TESTING 777 7
77 77 7
REQUEST 444 4
44 44 4
RELIEF VVV V VV VV V
-T REQUIREMENT TIT T IT TI T
QMPF QM PF QMP F
Q Q
Q S
TESTING I
P0S1 TION P
P P
L L
L L
O O
O C
C C
N0RMAL E
L L
L ACTUATION O
O O
V S
S S
L L
L L
K K
K A
VALVE TYPE G
G G
C C
C V
4 4
4 SIZE INCHES
/
/
/
2 2
2 T
1 1
1 ST E
E I R V
V R
A L L LL I
T A E AE T
A B
A S
V S VS N
1 E
E E
G R
D I DI V
R R
N I
I D
ID E
E I
A O
O R
V V
T PR N
N Y NY E
I I
R O
E C EC D
E E
A MTO I
L N LN A
C C
T T
O E OE E
E E
S A
P S G SG E
R R
l l
R I
R R
V O
E R
R E RE RL R K RK T
N C
I M
IM IA I
C I
C A
E S
A E AE AV A E A E G
E R
R H
l Y
L i
D G OO GO O
GD G C G C P R L
N TT NT T
NI N
N P E E
I A
I A
IO I
T I
T U V S
T1R T2 R
TN T E T E S
I E
R E
R E
RE R L R L E
I A
.N A
N AL A T A T R C D
TOE TO E
TO T U T U I
M 1
1 1
1 1
1 A
CATEGORY 1B 1B 1B 1C 1C 1C N
3 3
3 3
3 3
CLAGS /
B B
B B
B B
M E
A B
A T
8 8
3 S
R 1
1 1
Y EE S
VB 1
2 3
A A
A LM S
S S
AU S
S S
G G
G VN A
A A
D D
D 1
1 1
1 1
1
A P
S KR A
M E
R ALTERNATIVE TESTING 0
0 0
0 REQUEST 5
5 5
5 RELIEF V
V V
V T
REQUIREMENT Q
Q Q
Q S
TESTING I
/
/
P0SITI0N L
L P L PL L
C C
O C OC N0RMAL E
ACTUATI0N V
L K
K K
K A
VALVE TYPE C
C.
C C
V 5
5 5
5 SIZE IHCHES 1
1 1
1 T
SS M
I E G
G E
E T
N N
- G
- G S
I K I K R R RR Y
D C D C O A OA 1 S R E R E F H Fl l
A H A
C C
l i
G W C W C L S LS N
R R
I I II PI N
O E O E O D OD D
O F G F G MA R
I R
- R L'
L' T
L A L A E A EB W
P I
I H U'
U~
i l
R I
O C O C F
F O
R S
S P
P F
C L I L I E M EM S
E D E D N U NU L
E U
U I P IP I
D F'
F' B
B O
A B
R G RG L'
L' U N UN L
E E
T IK TIK E
S P S P DC DC U
E M E M S RE SRE F
I U I U A AH AAH D P D P G WC GWC E
M 1
1 1
1 A
CATEG0RY 1C 1C 1C 1C N
3/
3/
3/
3/
CLASS /
B B
B B
M E
T A
B A
B S
R 2
2 1
1 Y
EE S
VB G
G T
T LM D
D G
G AU F
F F
F VN F
F F
F 1
1 1
1 l'
l
D I
i p
1 l
1 i
VALVE RELIEF REQUESTS i
i h
O l
VALVE RELIEF REQUEST NUMBER:
V-1 SYSTEM:
Feedwater Coolant Injection (FWCI)
VALVES:
1-CN-2A,.1-CN-2B, 1-CN-2C, 1-CN-30A, 1-CN-30B, 1-CN-30C.
CLASS / CATEGORY:
2C FUNCTION:
Condensate and Condensate Booster Pump Discharge Check Valves.
TEST REQUIREMENT:
Check valves shall be exercised at least once every 3 months.
BASIS FOR RELIEF:
All of these valves are open during nor-mal operation. Exercising these valves re @ ires stopping and starting each pump which causes feedwater flow and pressure fluctuations which unstable condition., places the plant in an ALTERNATE TESTING:
Verify that the check valves open upon pump starting at cold shutdown during reactor start-up. Valve closure is verified by the Plant Equipment Operaters observation of pump discharge pressures and reverse rotation of an idle pura during routine operators rounds.
i
4 i,
i VALVE RELIEF REQUEST NUMBER:
V-2 SYSTEM:
Feedwater Coolant Injection (FWCI)
VALVE:
1-CN-58 CLASS / CATEGORY:
2B FUNCTION:
Steam Jet Air Ejector Minimum Flow Control Valve.
TEST REQUIREMENT:
Category A and B valves shall be exercised once every 3 months.
BASIS FOR RELIEF:
This valve is only open during reactor start-up at low condensate system' flow.
Exercising this valve during normal power operation disrupts condensate flow and bypasses flow to the :tain condenser.
ALTERNATE TESTING:
Exercise valve during cold shutdown..
9
r
.l l(
t -
^
]
VALVE RELIEF REQUEST-NUMBER:
V-3 SYSTEM:-
Various
- VALVES:
Fail Safe Valves l
CLASS / CATEGORY:
Various FUNCTION:-
Various-TEST REQUIREMENT:
Fail-Safe Valves. Test valves with fail-safe actuators by observing the operation of the valves upon. loss of actuator power.
BASIS FOR RELIEF:
Normal actuation of these valves satis-fies the test. requirement of fail-safe testing.
These valves operate to the position required to fulfill their funct-ion by.de-energizing the electrical power supply and/or~ venting off the actuator air supply which is essentially the same as loss of-actuator power.
ALTERNATE TESTING:
As indicated above.
l 1
)
1
-J
VALVE RELIEF REQUEST 1RR4BER:
V-4 SYSTEM:
Feedwater Coolant Injection VALVE:
1-CN-701 CLASS / CATEGORY:
2B FUNCTION:
Condensate water supply to the off-gas recombiner condensar.
TEST REQUIREMENT:
Category A and B valves shall be exercised once every 3 months.
BASIS FOR RELIEF:
Exercising this valve during plant oper-ation will cause the off-gas system to trip which will lead to a loss of main condenser vacuum and turbine trip.
Partial stroke testing is not possible for valves of this design.
ALTERNATE TESTING:
Exercise valve during cold shutdown.
I
VALVE RELIEF REQUEST
. NUMBER:
V-5 SYSTEM:
Feedwater Coolant Injection (FWCI)
VALVES:
1-MW-7, 1-CN-67 CLASS / CATEGORY:
2B FUNCTION:
Condenser hotwell level control valves.
TEST REQUIREMENT:
Category A and B valves shall be exercised once every 3 months.
BASIS FOR RELIEF:
These valves modulate continuously to maintain the condenser hotwell level in an operating band. They are not required to be full stroke exercised since they are level control valves.
They do not receive any safety actuating signal from FWCI.
Both valves are controlled from one level controller which, by design does not permit fully stroking individual valves.
The remote valve position indication in the control room does not give positive open or closed valve position, but rather per-cent open.
During the quarterly operability surveillance test of the Emergency Condensate Transfer (ECT) pump, hotwell level is lowered approximately 9 inches to accomodate the extra condensate water. While lowering the hotwell level, the reject valve (1-CN -67) opens from the throttled position to full open, while the make-up valve (1-MW-7) closes fully from the throttled position. After the ECT pump surveillance is completed and the hotwell is filled, the level controller is adjusted to maintain the hotwell at normal operating level.
At this time, the reject valve opens fully and the make-up valve closes until the hotwell is at the normal level. This quarterly exercise of stroking the valves from a throt-tied position to the fully opened and closed position, demonstrates proper valve operabil-ity and meets the intent of the test require-ment.
In addition to the above, both valve actuators are fail-safe tested to the closed position during cold shudown.
ALTERNATE TESTING:
None.
i
VALVE RELIEF REQUEST l
NUMBER:
V-6 SYSTEM:
Feedwater Coolant Injection (FWCI) 2ALVES:
1-FW-2A, 1-FW-2B, 1-FW-2C.
CLASS / CATEGORY:
2C FUNCTION:
Reactor Feed Pump Discharge Check Valves TEST REQUIREMENT:
Check valves shall be exercised at least once every 3 months.
BASIS FOR RELIEF:
Two of the three Feed Pumps are running during normal reactor power operation.
Exercising these valves requires cycling each pump which causes feedwater pressure and flow fluctuations, which may place the plant in an unstable condition.
ALTERNATE TESTING:
Verify that the check valves open upon pump starting during reactor startup at cold shutdown and during pump rotation.
Valve closure is verified by the Plant Equipment Operators during routine oper-ator rounds by observation of suction and discharge pressures and reverse rotation of an idle pump's shaft.
l
l p.
i' VALVE RELIEF REQUEST NUMBER:
V-7 SYSTEM:
Feedwater Coolant Injection (FWCI)
VALVES:
Feedwater Blocking Valves 1-FW-4A, 1-FW-4B, 1-FW-4C, and Feedwater Control Valves 1-FW -5A, 1-FW-5B, 1-FW-5C..
CLASS / CATEGORY:
2B TEST REQUIREMENT:
Category A and B valves shall be exercised once every 3 months.
BASIS FOR RELIEF:
Exercising these valves during power op-eration disrupts the balanced feedwater flow to the reactor vessel and will cause reactor vessel water level fluctuations.
ALTERNATE TESTING:
Exercise valves at cold shutdowns.
1.
l' VALVE RELIEF REQUEST NUMBER:
V-8
' SYSTEM:
Feedwater Coolant Injection (FWCI)
VALVES:
1-FW-9A, 1-FW-9B, 1-FW-10A, 1-FW-10B CLASS / CATEGORY:
1AC FUNCTION:
Feedwater system inside/outside contain-ment isolation check valves.
TEST REQUIREMENT:
Check valves shall be exercised at least once every 3 months.
BASIS FOR RELIEF:
These valves remain open during normal power operation supplying feedwater to the reactor vessel. Exercising these valves requires disruption of the feed-water to the reactor vessel, which can-not be done during power operation.
ALTERNATE TESTING:
Verify that the check valves are open by observation of re' actor vessel level changes and feedwater flow instrumen-tation. Verify that the valves are closed at refuel outages during performance of Appendix J type C Local Leakrate Testing.
_.m_._-__. _ _ _ _. -. -. - - -
-l s
)
,q f
k VALVE RELIEF REQUEST i
NUMBER:
V-9 l
SYSTEM:
Various l
VALVES:
Category A and AC Valves FUNCTION:
To ensure containment integrity in event of l
containment isolation.
TEST REQUIREMENT:
Category A and AC valver which are containment ~
3
,I isolation-valves shall be leak tested in e
accordance with Federal Regulation 10 CFR 50-
.l Appendix J.
ADDITIONAL TEST Valves that are referenced in the IST Valve REQUIREMENT:
List'that receive a LLRT (local leak rate test) as an Alternate Test shall have the following additional test requirements applied:
- 1) ' Leakage rate measurements shall be compar-ed with the permissible leakage rates specified in Technical Specification-4.7.A.3.e.(1) for a specific valve or valve combination.
2)
Valves or valve combinations with leakage rates exceeding the values specified in Technical Specification 4.7. A.3.e. (1) shall be declared inoperable and either repaired or replaced.
A retest demon-strating acceptable operati'on shall be performed following any required corrective action before the valve is returned to service.
I i
a VALVE. RELIEF REQUEST NUMBER:
V-10 g
s.
'i SYSTEM:
Feedwater Coolant Injection (FWCI)
N VALVES:
1-FW-14A, 1-FW-14B,-1-FW-14C.
CLASS / CATEGORY:
2B
-FUNCTION:
Reactor feed' pump minimum flow recirc-ulation to the main condensers.
TEST REQUIREMENT:
. Category A and B valves shall be exercised once every.,3 months.
BASIS FOR RELIEF:
These valves are opened.only during
" starting of the reactor feedwater pumps" or partially open at low flow conditions to prevent overheating of the pumps. They do not receive any safety related actuat-ing signal from FWCI. Stroke time is not an appropriate reference parameter for-valves serving this function. Exercising these valves during power operation dis-rupts.the balanced feedwater flow to the reactor vessel.
ALTERNATE TESTING:
Exercise these valves at cold shutdown.
I
'l 1
VALVE RELIEF REQUEST NUMBER:
V-11 SYSTEM:
Control Rod Drive Hydraulic VALVES:
302-19A, 302-19B / 302-19C,_302-19D CLASS / CATEGORY:
2B FUNCTION:
Master Scram / ATWS Solenoid Valves VALVES:
302-20A, 302-20B.
CLASS / CATEGORY:
2B FUNCTION:
Scram Discharge Volume Vent and Drain Solenoids.
VALVES:
301-122A, 301-122B, 301-122C.
CLASS / CATEGORY:
2C FUNCTION:
Scram Piolt Air Header Check Valves VALVES:
305-114
- CLASS / CATEGORY:
2C FUNCTION:
Hydraulic Control Unit to Scram Discharge
. volume Check Valve.
VALVE:
305-115
- CLASS / CATEGORY:
2C FUNCTION:
Charging Water Supply to Accumulator Check.
VALVE:
305-126
- CLASS / CATEGORY:
2B FUNCTION:
Scram Insert Air Operated Valve VALVE:
305-127
- CLASS / CATEGORY:
2B FUNCTION:
Hydraulic Control Unit Exhaust to Scram Discharge Volume Header Air Operated Valve.
VALVE:
305-117 *, 305-118
- CLASS / CATEGORY:
2B FUNCTION:
Scram Solenoid Valves TEST REQUIREMENT:
Exercise for operability every 3 months.
BASIS FOR RELIEF:
Exercising these valves during power operation would require a reactor scram.
ALTERNATE TESTING:
All valves will be exercised at cold shutdown.
- Denotes one of 145 Hydraulic Control Units 1
RELIEF REQUEST V-12 DELETED L
. ~, _ _ _ _ _ _ _ - _ _. - - - -.. _ _. - - - - - - -
\\
l VALVE RELIEF REQUESTS NUMBER:
V-13
)
SYSTEM:
Control Rod Drive Hydraulic f
VALVES:
305-120 *, 305-121 *, 305-122 *, 305-123*
CLASS / CATEGORY:
2B FUNCTION:
Control Rod Withdrawal / Insert Solenoids VALVES:
305-137*, 305-138*.
CLASS / CATEGORY:
2C FUNCTION:
Control Rod Withdrawal / Insert Checks.
TEST REQUIREMENT:
Exercise for operability once every 3 months.
BASIS FOR RELIEF:
These valves are operated weekly.during Stuck Control Rod Testing in accordance with Tech. Spec.
4.3.A.2.
Satisfactory operation of a control rod verifies proper valve operability.
ALTERNATE TESTING:
None. These valves operate in the course of normal plant operation at a frequency that exceeds the exercising requirements of the Code.
Denotes one of 145 hydraulic control units.
l
n VALVE RELIEF REQUESTS NUMBER:
V-14 SYSTEM:
Control Rod Drive Hydraulic i
VALVES:
1-SDV-1N, 1-SDV-2N, 1-SDV-1S, 1-SDV-2S, 1-SDV-3N, 1-SDV-3S, 1-SDV-4N, 1-SDV-4S.
CLASS / CATEGORY:
2A i
' FUNCTION:
Scram Discharge Volume Header Vent and Drain Valves.
l TEST REQUIREMENT:
Exercise for operability every 3 months.
l BASIS FOR RELIEF:
System design does not permit normal actuation j
during power operation without initiating a reactor scram. A test circuit allows for exercising these valves through an alternate vent path during power operation, but due to system design, the stroke _ times are not repre-sentative of normal operation.
ALTERNATE TESTING:
Exercise for operability via the test circuit every 3 months and stroke time test at cold shutdown by manually init-iating a scram.
a_.__
___--_m._____mm-__.m___________
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- VALVE RELIEF REQUESTS l NUMBER:-
- V l:
(-] '
SYSTEM:
Low Pressure' Coolant Injection (LPCI)
Ib..
- VALVE:-
1-LP-11A
- CLASS / CATEGORY:'
1 AC
' FUNCTION:
LPCI System 'A'--inside containment injection check valve.
TEST REQUIREMENT:
Check valves shall be exercised every 3
- months.
BASIS-FOR. RELIEF: '
Exercising this valve requires pumping LPCI. water into the reactor vsssel.This-is~not possibleEduring reactor. power op-eration or at cold. shutdown because'of-pressure' differentials and'the high vol-une of water injected.
' ALTERNATE TESTING:
Exercise this check valve at'refuelibg outages when the' reactor vessel water level is sufficiently~ lowered-to accomo-date the rapid vessel level increase..
(Reference SER - Amendment 64).
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VALVE RELIEF REQUESTS NUMBER:
V-16 SYSTEM:
Low Pressure Coolant Injection (LPCI)
VALVE:
1-LP-11B CLASS / CATEGORY:
1 AC FUNCTION:
'B' inside containment injection check valve.
TEST REQUIREMENT:
Check valves shall be exercised every 3 months.
BASIS FOR RELIEF:
Exercising this valve requires pumping LPCI water into the reactor vessel. This is not possible at reactor power due to pressure differentials.
ALTERNATE TESTING:
Exercise this valve at refuel outages when the reactor vessel level is suf-ficiently lowered to accomodate the rapid vessel level increase and exercise the valve at cold shutdown when the Shutdown Cooling System is in operation.
(
Reference:
SER Amendment 64).
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p VALVE RELIE,F; REQUESTS
. NUMBER:
V. SYSTEM:
Core Spray VALVES: CS-6A, 1-CS-6B CLASS /CATEGORYi
-1AC FUNCTION:
Inside Containment Injection Check Valves TEST REQUIREMENT:
Check valves shall be exercised every 3
- months.
BASIS FOR RELIEF:
Exercising these valves requires inject-ing Core Spray water into the reactor 4
vessel. This is not possible at reactor power or cold shutdown because of pres-sure differentials and the high volume flow rates.
ALTERNATE TESTING:
Exercise check valves at refueling out-ages when.the reactor vessel water level is sufficiently lowered to accomodate the rapid vessel level increase. (
Reference:
SER Amendment 64).
i 1
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VALVE RELIEF REQUEST NUMBER:
V-18 SYSTEM::
' Standby Liquid Control VALVES:
1-SL-7-/ 1-SL-8 CLASS / CATEGORY:
1AC / 1AC FUNCTION:
Combined discharge injection check' valves 1 TEST REQUIREMENT:
Check valves shall be exercised every 3 months.
BASIS FOR RELIEF:
There are no provisions for manually.
stroking these valves. Hydraulic stroking requires the firing of a squib valve and pumping water into the reactor vessel.
ALTERNATE TESTING:
These check valves will be' exercised each-refueling outage when the standby liquid system is tested by pumping water.into the reactor vessel. (
Reference:
SER Amendment 64).
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l VALVE RELIEF REQUESTS NUMBER:
.V-19 SYSTEM:
Main Steam VALVES:
1-MS-5, 1-MS-6 CLASS / CATEGORY:
1A FUNCTION:-
Main Steam.Line Bypass Isolation Valves TEST REQUIREMENT:
Exercise for. operability every 3 months.
l l
BASIS FOR RELIEF:
These valves are normally closed and are opened only during.startup for equalizing steam pressure around the MSIV's.
ALTERNATE TESTING:
Exercise for operability at cold
^
shutdown.
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41 s
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VALVE RELIEF REQUESTS NUMBER:
V-20 SYSTEM:
Main Steam Relief Discharge Line to Torus VALVES:
1-MS-107A thru F, 1-MS-111A thru F, 1-MS-112A thru F.
CLASS / CATEGORY:
3C FUNCTION:
Main Steam Relief Discharge Line to Torus Vacuum Breakers TEST REQUIREMENT:
Check valves shall be exercised at least once every 3 months.
BASIS FOR RELIEF:
These valves can only be exercised man-ually by hand when access to the drywell is available.
ALTERNATE TESTING:
Exercise these valves at cold shutdown when access to the containment is avail-able.
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I VALVE RELIEF REQUESTS NUMBER:
V-21 SYSTEM:
Isolation Condenser Makeup Water VALVE:
1-IC-11 / 1-FIRE-48 / 1-MW-59 CLASS / CATEGORY:
3C / Fire Protection C / ANSI B31.1 C FUNCTION:
Makeup water to the shell side of the Isolation Condenser.
TEST REQUIREMENT:
Exercise for operability every 3 months.
BASIS FOR RELIEF:
Exercising these check valves requires filling the shell side of the isolation condenser which will cause the level to increase above the normal operating band.
This cannot be done except at reactor refueling when it is possible to drain the shell side to a low level and refill it to the operating band.
ALTERNATE TESTING:
Exercise these valves at reactor refueling, i
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!ff VALVE RELIEF REQUEST
~ NUMBER:-
V SYSTEM:
l~
VALVE:
1-SW-9 CLASS / CATEGORY:
3B FUNCTION:
Service water stop valve'to.the Turbine
' ~
Building Closed Cooling Water. Heat Ex-changers..
' TEST REQUIREMENT:
Exercise for operability every 3 months'.
BASIS FOR RELIEF:
Closing this valve disrupts. service water
' cooling to the Turbine Building Closed Cooling Water Heat Exchangers and will cause overheating of the Turbine Lube Oil System during power operation.
ALTERNATE TESTING: ' Exercise this valve at cold shutdowns.
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1
P VALVE RELIEF REQUESTS NUMBER:
V-23 SYSTEM:
Emergency Service Water (ESW)
VALVES:
1-LPC-4A, 1-LPC-4B
- CLASS / CATEGORY:
3B
- FUNCTION:
LPCI Heat Exchanger outlet throttle valves.
TEST REQUIREMENT:
-Exercise Category A and B valves fully open and closed and measure valve stroke time.
BASIS FOR RELIEF:
Actuating power for these valves is only available when an Emergency Service Water Pump is in operation. Fully opening these throttle valves causes the ESW pump to run-out which may result in damaging the pump. Stroke time testing these valves cannot be done due to the type valve controller used in this installation.
ALTERNATE TESTING:
Exercise the valves to a position greater than 25% open each time the ESW pump quarterly operability surveillance is performed. 25% open valve travel is more than the maximum open valve position that is required for these valves to fulfill their intended function without causing any damage to the ESW pumps.
k VALVE RELIEF REQUESTS NUMBER:
V-24 SYSTEM:
Shutdown Cooling VALVES:
1-SD-1, 1-SD-2A, 1-SD-2B,'l-SD-3A, 1-SD-3B, 1-SD-4A, 1-SD-4B, 1-SD-5.
- CLASS / CATEGORY:
Various FUNCTION:
Shutdown cooling system power operated valves and pump discharge check valves..
TEST REQUIREMENT:
Power operated valves and check valves j
shall be Exercised for operability.every 4
3 months.
BASIS FOR RELIEF:
These valves are normally closed during l
reactor power operation.. Interlocks pre-l vent opening the isolation valves or starting the Shutdown Cooling Pumps when reactor recirculation loop temperature is greater than 350 degrees F.
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ALTERNATE TESTING:
Exercise for operability at reactor refueling outages and at cold shutdown if the shutdown cooling system is placed in operation.
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VALVE RELIEF REQUEST NUMBER:
V-25 SYSTEM:
Reactor Building Closed Cooling Water (RBCCW)
VALVES:
1-RC-202, 1-RC-203, 1-RC-206, 1-RC-207, CLASS / CATEGORY:
2A.
L FUNCTION:
Reactor Building closed Cooling Water Drywell' Supply and Return Isolation Valves.
TEST REQUIREMENT:
Exercise power operated valves every 3 months.
BASIS FOR RELIEF:
Exercising these valves disrupts cooling water-to the reactor recirculation pumps and may cause overheating of the pump motors and damage the pump seal assemblies. If the valves were to fail in the closed position during-quarterly testing at power operation, drywell ambient air temperature would increase which would increase drywell air pressure resulting in a reactor scram, since RBCCW water also provides cooling to the drywell air coolers.
ALTERNATE TESTING:
Exercise these valves during reactor refueling outages and exercise those valves at cold shutdown if the reactor recirculation pumps are secured.
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l-VALVE RELIEF REQUESTS l:
NUMBER:'
7-26 1:
SYSTEM:
Reactor Recirculation VALVES:
1-RR-2A,.1-RR-2B, 1-RR-5A' i-CLASS / CATEGORY:
1B FUNCTION:
Reactor Recirculation System power operated valves.
L TEST REQUIREMENT:
Exercise for operability every 3 months.
BASIS FOR RELIEF:
Exercising these valves requires reducing reactor power, securing the reactor recirc-ulation pumps and entering an LCO for single recirculation pump operation.
ALTERNATE TESTING:
Exercise.these valves during cold shutdown and at reactor. refueling when the recirculation pumps can be secured.
9 h_m____________._
VALVE RELIEF REQUESTS NUMBER:
V-27 SYSTEM:
Reactor Water Clean-up VALVE:
1-CU-5 CLASS / CATEGORY:
1A
' FUNCTION:
Auxiliary Clean-up Pump Suction Valve.
TEST _ REQUIREMENT:
Exercise for operability every 3 moliths.
BASIS FOR RELIEF:
This valve is normally closed and in its accident position during normal power op-eration. Opening this valve at power causes pressure and flow transients in the clean-up system.
ALTERNATE TESTING:
Exercise this valve at cold shutdown when
~
the auxiliary clean-up pump is placed in operation
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. VALVE' RELIEF REQUESTS ~
NUMBER:
V-28 SYSTEM:
Standby Gas' Treatment n
VALVES:
All' L
CLASS / CATEGORY:
3B FUNCTION:
Standby Gas Treatment Sequence Valves TEST REQUIREMENT:
Exercise for operability every 3. months.
BASIS FOR RELIEF:
These valves operate automatically during the start sequence of the standby gas-
- treatment systems.. Individual stroking--of-these. valves is not possible. Observation of their-proper operation during starting.
of the standby gas systems satisfies the exercising test requirements.
~
e ALTERNATE TESTING:
These valves will be exercised and stroke timed as a group at least every 3 months.
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VALVE RELIEF REQUESTS NUMBER:
V--2 9 SYSTEM:
Head Spray VALVES:
1-HS-4 / 1-HS-5 1
CLASS / CATEGORY:
1A / 1AC i
FUNCTION:
Head Spray Inner and Outer Containment Isolation Valves TEST REQUIREMENTS:
Exercise for operability every three months.
BASIS FOR RELIEF:
These valves are normally closed and are opened only to admit water to cool the reactor vessel head and reactor internals before removal of the closure head during refuel outages.
ALTERNATE TESTING:
Exercise for operability at reactor refueling outages.
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VALVE RELIEF REQUEST NUMBER:
V-30 SYSTEM:
Drywell Nitrogen Compressor Supply VALVES:~
1-AC-50 / 1-AC-162 (Formerly 1-IA-68 / 1-IA-69)
CLASS / CATEGORY:
3A / 3AC FUNCTION:
Drywell nitrogen compressor supply to the drywell TEST REQUIREMENT:
Exercise power operated valves.and check valves every 3 months.
BASIS FOR RELIEF:
Closing'these valves isolates the drywell nitrogen supply system that is required for operation of vital safety related valves inside the drywell (e.g., MSIV's and APR relief valves).
ALTERNATE TEST'ING: Exercise these valves at cold shutdown and reactor refueling.
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l VALVE RELIEF REQUESTS NUMBER:
V-31 SYSTEM:
Reactor Water Clean-up VALVE:
1-CU-2A CLASS / CATEGORY:
1A FUNCTION:
Bypass valve around clean-up supply isolation valve 1-CU-2.
TEST REQUIREMENT:
Exercise for operability every 3 months.
BASIS FOR RELIEF:
This containment isolation valve remains
-closed during all modes of plant oper-ation. The. valve is opened only when equalizing around supply isolation valve 1-CU-2 when placing the system in oper-ation. Failure of this valve to close during operability testing will result in a loss of containment isolation.
ALTERNATE TESTING:
Exercise for operability at cold shut-down and reactor refueling.
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i VALVE RELIEF REQUEST
' NUMBER:
V-32 SYSTEM:
Various
- VALVES:
Category A and AC Valves FUNCTION:-
- To ensure containment integrity in event of containment isolation.
TEST REQUIREMENT:.
Category A and AC valves which are contain-ment isolation valves shall be leak tested in.
accordance with Federal Regulation 10 CFR-50 Appendix J.
BASIS'FOR RELIEF:
Containment isolation-valves applicable to this relief request as specified in~the IST Valve List do not receive an Appendix J-type C Local Leak Rate Test. Reliet Requests for exemption from leak testing these valves are not given in'this'IST Program, but are given in.the Millstone Unit 1 Appendix J Program under separate docket.
__i________ _ _ _ _ _ _ _ _ _ _ -
,7 p.t t
1 VALVE RELIEF REQUESTS NUMBER:'
V-33 SYSTEM:
Reactor Water Clean-up VALVE:
1-CU CLASS / CATEGORY:
1AC FUNCTION:
Clean-up system return to feedwater check TEST REQUIREMENT:
Check valves shall be exercised at least once every 3 months.
BASIS FOR RELIEF:
This normally open check valve cannot be test-ed in a manner that verifies that the disk travels to the seat promptiv on cessation of flow. No position indicating devices are in-stalled on this valve. This valve is presumed to be exercised quarterly during the Contain-ment Isolation Valve surveillance when valve 1-CU-28 is cycled open and' closed. Appendix
'J' type C local-leakrate testing is not performed on this valve due to the existing piping configuration, but local leakrate test-ing is performed on the outside containment isolation valve 1-CU-28. Exempt. ion requests have been submitted with the Appendix
'J' Program identifying the justification bases for valve 1-CU-29.
ALTERNATE TESTING:
Verify that check valve 1-CU-29 opens by observing clean-up system flow upon return of the clean-up system to operation after per-
'i forming the parterly containment isolation valve operability surveillance and perform a water leakage test during reactor refueling outages when the clean-up system is out of service that verifies closure of the valve disk.
VALVE RELIEF REQUESTS NUMBER:
V-34 SYSTEM:
Post Accident Sample VALVES:
1-PAS-17, 1-PAS-20, 1-PAS-24, 1-PAS-25 CLASS / CATEGORY:
2A FUNCTION:
Containment Isolation SYSTEM:
Reactor Coolant Sample VALVES:
1-RR-36, 1-RR-37 l
CLASS / CATEGORY:
1A l
FUNCTION:
Containment Isolation j
SYSTEM:
Hydrogen and Oxygen Analyzer l
VALVES:
1-AC-194, 1-AC-195, 1-AC-196, 1-AC-197 1-AC-198, 1-AC-199, 1-AC-205, 1-AC-206 CLASS / CATEGORY:
2A FUNCTION:
Containment Isolation SYSTEM:
Drywell Nitrogen Compressor Suction VALVES:
1-AC-40, 1-AC-41 CLASS / CATEGORY:
2A FUNCTION:
Containment Isolation SYSTEM:
Torus to Drywell Pumpback System VALVES:
1-AC-133, 1-AC-134, 1-AC-139, 1-AC-140.
CLASS / CATEGORY:
2A FUNCTION:
Containment Isolation TEST REQUIREMENT:
Valves with remote position indication shall be observed at least once every 2 years to verify that valve operation is accurately indicated.
BASIS FOR RELIEF:
These solenoid actuated valves have in-ternal position indicators (magnetic reed switches). The valve stems are also in-l ternal and cannot be observed for move-ment.
ALTERNATE TESTING:
Open valve position is verified by flow through the system. Closed valve position is verified by cessation of flow and further verified by performance of Appen-dix J type C Local Leak Rate Testing.
l
l VALVE RELIEF REQUESTS NUMBER:
V-35 SYSTEM:
Transversing In-Core Probe (TIP)
VALVES:
Tip Squib Valves No.
1,2, 3 and 4.
CLASS / CATEGORY:
2AD FUNCTION:
Explosively Actuated Shear Valves TEST REQUIREMENT:
At least 20% of the charges in explosively actuated valves shall be removed, fired, and replaced every 2 years with charges from a fresh batch.
A sample charge from the fresh batch shall have been tested satisfactorily.
Charges shall not be older than 10 years.
If a charge fails to fire, all charges with the same batch number shall be removed, destroyed and replaced with charges from a fresh batch from which a. sample charge shall have been tested satisfactorily.
BASIS FOR RELIEF:
The test frequency requirements cannot be maintained due to the shelf life of the explosive charges used in this system. The limited guaranteed operating life.of these charges is five years. Testing 20% of the 4 valves every 2 years cumulatively tests all 4 in 8 years which exceeds the shelf life.
ALTERNATE TESTING:
All 4 charges will be removed and fired every 4 years. A sample charge from a fresh batch shall have been tested sat-isfactorily. If a charge fails to fire, all charges with the same batch number will be removed, destroyed and replaced with a fresh batch from which a sample charge shall have been tested satis-factorily.
i i
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,_7___--___------
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1 VALVE RELIEF REQUESTS NUMBER:
V-36 SYSTEM:
Control Rod Drive Hydraulic 4
VALVES:
302-19A, 302-19B / 302-19C, 302-19D /
302-20A, 302-20B.
CLASS / CATEGORY:
2B FUNCTION:
Master Scram / ATWS Scram / Scram Discharge Volume Vent and Drain Solenoid Valves.
TEST REQUIREMENT:
The stroke time of all power operated valves shall be measured to the nearest second, for stroke times 10 seconds or less.
BASIS FOR RELIEF:
These valves cannot be full-stroke-tested since they do not have any remote position indication. Valve stem position cannot be visually observed since the valve stem is internal to the valve body.
ALTERNATE TESTING: Valve operability shall be demonstrated satisfactorily provided that:
(1) Valves 302-19A and 19B energize and vent air from the scram pilot air header.
(2) Valves 302-19C and 19D energ'ize and vent air from the scram pilot air header.
(3) Valves 302-20A and 20B energize and vent air from the scram discharge vent and drain headers.
The test frequency shall be at cold shutdown as identified in relief request V-11.
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VALVE RELIEF REQUESTS NUMBER:
V-37 SYSTEM:
Control Rod Drive Hydraulic VALVES 1 305-117*
305-118*
CLASS / CATEGORY:
2B FUNCTION:
Scram Pilot Solenoid Valves VALVES:
305-126* / 305-127*
CLASS / CATEGORY:
2B FUNCTION:
Scram Insert / Scram Exhaust Air Operated Valves.
TEST REQUIREMENT:
The stroke time of all_ power operated valves shall be measured to the nearest second for valves with stroke times less than 10 seconds.
BASIS FOR RELIEF:
The scram pilot solenoid valves do not have remote valve position indicators.
The valve stems are also internal and cannot be observed for movement. The scram insert / exhaust air operated valves do not have individual valve position indicators for full stroke time testing.
Limit switches on each valve energize the Rod Scram Light on the Control Room full-core display panel when both valves are fully opened during a scram. At cold shutdown when the reactor mode switch is placed in the shutdown position., a scram signal is initiated which opens these valves. Following each refueling outage, each individual control rod is subjected to scram insertion time testing from the fully withdrawn position as required by L
Tech. Spec.
4.3.C.
The scram insertion time is based on de-energizing the scram pilot valve solenoids, the rod scram light (valves 305-126 and 305-127 open-ing) and the rod bottom position indic-ation. This test method verified that the scram pilot valve solenoids and the scram insert and scram exhaust air operated valves actuate to fully insert the control rod within the time limits re-quired by Technical Specifications.
ALTERNATE TESTING:
These valves will be exercised at cold shutdown by initiation of a reactor scram and exercised following each reactor refueling by satisfactory performance of control rod scram insertion time surveillance test-
{
ing.
- DENOTES ONE OF 145 CRD HYDRAULIC CONTROL UNITS
b VALVE RELIEF REQUESTS NUMBER:
V-38 SYSTEM:
Reactor Building Closed Cooling Water VALVE:
1-RC-39 CLASS / CATEGORY:
3B FUNCTION:
Shutdown Cooling Heat Exchanger RBCCW Outlet Throttle Valve TEST REQUIREMENT:
Category A and B valves shall be exercised once every 3 months.
BASIS FOR RELIEF:
This valve.s only throttled open when the shutdown cooling system is in oper-ation and is not required to be fully stroked o
' function. pen to perform its intended Fully opening this valve with the RBCCW system in the normal power operation lineup diverts too much flow through the shutdown cooling heat exchan-gers and runs the RBCCW pumps out. Part stroke opening this valve may also run the pump out if the valve is opened too far.
ALTERNATE TESTING:
Full stroke exercise this valve at cold l
shutdown when the RBCCW system is lined i
up for service to the shutdown cooling heat exchangers.
1 l
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. VALVE RELIEF REQUESTS q
NUMBER:
.V-39 SYSTEM:
Drywell Nitrogen Compressor VALVES:
1-AC-48 / 1-AC CLASS / CATEGORY:
B31.1 C / 3 C FUNCTION:
Drywell Compressor Discharge to Drywell VALVES:-
1-AC-51,.1-AC-70A, 1-AC-70B CLASS / CATEGORY:
3C
. FUNCTION:
Secondary Nitrogen Gas bottle Supply TEST REQUIREMENT:'
. Check valves shall be exercised =every 3-months.
BASIS FOR RELIEF:
Exercising these valves requires. securing' l
the drywell. nitrogen compressors and bleeding down the header to initiate the" secondary nitrogen gas supply. This may result in a potential inadvertent Main Steam Isolation valve -closure' and sub-sequent reactor scram.
I ALTERNATE TESTING:
All. valves'will be exercised at, cold l
shutdown during an operability test of initiating the secondary nitrogen gas supply, system while securing the drywell-nitrogen compressors.
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VALVE RELIEF REQUESTS 1
NUMBER:
V-40 i
SYSTEM:
Drywell Nitrogen Supply
- VALVES:
1-AC-164A thru F, 1-AC-165A thru F.
CLASS / CATEGORY:
3'/ NONE FUNCTION:
ADS (Automatic Depressurization System) accumulator check valves.
TEST REQUIREMENT:
NONE - Delete from IST Program.
BASIS FOR RELIEF:
The need for inclusion of these valves into the IST Program has been reviewed by Plant Engineering. The need for leak testing these valves was initially in-stituted because of IE Bulletin 80-01 as a result of the seismically unqual-ified portion of the nitrogen supply line piping (piping inside the drywell to the ADS che:k valves).
This portion of piping has been seismically-qualified during the 1987 refueling outage as part of the IE Bulletin 79-14 hanger modif-ication program. These modifications alleviate any further concerns associated with the evaluation of seismic events.
The secondary nitrogen gas supply along with the supply piping to each one of the ADS valves is all seismically qualified.
ALTERNATE TESTING:
None required.
b i
. _ - - = _ - - - - _ _ - - _ - _ - -
1 b
VALVE RELIEF REQUESTS NUMBER:
V-41 SYSTEM:
Low - Pressure Coolant Injection (LPCI) j VALVES:
1-LP-24A, 1-LP-24B, 1-LP-24C, 1-LP-24D
(
CLASS / CATEGORY:
2AC FUNCTION:
LPCI Pumps A,B,C and D Min Flow Recirc To Torus Check TEST REQUIREMENT:
Check valves shall be exercised every three months.
BASIS FOR RELIEF:
These pump min-flow check valves are i
presumed to be cycled open each time a i
respective LPCI pump is started. Due to the piping design and location of these check valves, there is no positive method of verifying that these valves either open or close upon pump starting or stopping due to operation'of motor oper-ated min-flow control valve 1-LP-26A or 1-LP-26B.
ALTERNATE TESTING:
All 4 of these valves will be disassembl-ed during the next scheduled refueling outage for internal visual inspection and manually exercised to verify operability.
At subsequent refuel outages, one check valve will be disassembled for inspection on a rotating basis.
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I.I i i VALVE RELIEF REQUEST-NUMBER:
V-42 SYSTEM 1 Low Pressure Coolant Injection VALVES:'
1-LP-46, 1-LP-47 h
CLASS / CATEGORY:
2AC.
- FUNCTION:
Condensate Transfer to LPCI System Keep Fill' Check Valves.
TEST REQUIREMENT:
Check valves-shall be exercised at least once every 3 months.
Category A-valves shall be leak tested at least once every 2' years.
BASIS'FOR RELI'EF:
These check valves provide makeup water to the
-~-
LPCI system to ensure 1that the LPCI system is-full of water. Prior to starting a LPCI pump during the quarterly pump operability surveil-lance, open position of the keep fill check valves is verified by observation of keep fill pressure being maintained-on the LPCI system.
Closed valve position cannot pr'acticably be verified during' operation of the LPCI pumps These valves do not fall under the criteria of 4
10 CFR 50 Appendix A General Design Criteria 54-57 and are not considered to be containment isolation valves and are therfore not subject' to 10 CFR 50 Appendix J leak test require-ments. However, these check valves are class-ified as Category A valves based on their location in the LPCI system =such that seat tightness should be maintained on not breaking the water seal in any torus water sealed pene-tration in 30 days (Ref: Millstone Unit 1 Appendix J Submittal).
Leakage limits will be set at 1.5 gpm total through each pair of valves at pressures
> 1.1(43 psig). This is a conservative pro-Jection not set by off-site dose consequences as calculated by Radiation Assessment, because water leakage in these lines is not considered i
to be limiting in terms of off-site dose con-sequences. In addition to the above, the 1.5 gpm leakage during LPCI pump operation will not degrade ECCS flow.
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i ALTERNATE TESTING:
Verify, operation of the keep-fill valves by observing keep fill pressure prior to LPCI pump starting during the quarterly pump oper-ability surveillance test and perform a seat leakage test to the criteria specified-in the:
above during refueling outages.
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VALVE RELIEF REQUEST NUMBER:
V-43 SYSTEM:
Core Spray A and B VALVES:
1-CS-19A, 1-CS-20A, (Core Spray A) 1-CS-19B, 1-CS-20B, (Core Spray B)
CLASS / CATEGORY:
2AC FUNCTION:
Condensate Transfer to Core Spray A and B Systems Fill Check Valves.
TEST REQUIREMENT:
Check valves shall be exercised at least once every 3 months.
Category A valves shall be leak tested at l
least once every 2 years.
BASIS FOR RELIEF:
These check valves provide makeup water to the Core Spray systems to ensure that they are full of water. Prior to starting a Core Spray pump during the quarterly pump operability surveillance, open position of the keep fill i
check valves is verified by observation of keep fill pressure.
Closed valve position l
cannot practicably be verified during oper-ation of the Core Spray pumps.
These valves do not fall under the criteria of 10 CFR 50 Appendix A General Design Criteria 54-57 and are not considered to be containment isolation valves and are not subject to 10 CFR 50 Appendix J leak test requirements. However, these check valves are classified as Category A valves based on their location in the Core Spray system such that seat tightness should i
be maintained on not breaking the water seal l
in any torus water sealed penetration in 30 days (Ref: Millstone Unit 1 Appendix J Submittal).
Leakage limits will be set at 1.5 gpm total through each pair of valves at pressures
> 1.1(43 psig). This is a conservative pro-3ection not set by off-site dose consequences as calculated by Radiation Assessment, because water leakage in these lines is not considered to be limiting in terms of off-site dose con-sequences. In addition to the above, the 1.5 gpm leakage during Core Spray pump operation will not degrade ECCS flow.
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ll' ALTERNATE TESTING:
Verify operation of the keep-fill ~ valves by observing keep fill pressure prior to Core Spray pump starting during the quarterly pump operability test and perform a seat leakage i
test to the criteria specified in the above l
during refueling outages.
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- 1 I
VALVE RELIEF REQUEST NUMBER:
V-44 SYSTEM:
Core Spray and LPCI VALVES:
1-CS-25A, 1-CS-25B, 1-LP-52A, 1-LP-25B CLASS / CATEGORY:
2B FUNCTION:
Cooling Water to Core Spray and LPCI Pump Motor Bearing Oil coolers TEST REQUIREMENT:
The stroke time ~of all power operated valves shall be measuresd to the second.
, BASIS FOR RELIEF:
These solenoid valves open'upon starting a Core Spray or LPCI pump to provide cooling water to the motor bearing oil coolers. No remote position indication is installed on solenoid valves of this design nor.is the valve stem visible for observation of valve stem movement.
ALTERNATE TESTING:-
Proper valve operation shall be verified by observation of cooling water. pressure supplied to the motor bearing oil coolers during the quarterly pump operability surveillance, f
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j VALVE RELIEF REQUEST
^
' NUMBER:
V-45 SYSTEM:
Reactor Water Clean-up-(RWCU)
VALVE:
1-CU-69 CLASS / CATEGORY:
ANSI B31.1 / C FUNCTION:
RWCU System Relief Valve Vent Line to Torus Check TEST REQUIREMENT:
Check valves shall be exercised at least once every 3 months.
- BASIS FOR' RELIEF:
This valve is in the RWCU system pressure relief discharge line to the torus..This-check valve serves no other safety ~relat '
ed function other than containtant isolation. There is no possible method of-full stroke or partial stroke exercise operation.that can be performed ou this check valve due to the system der,ign.
(
Reference:
Appendix J exemption request for penetration X-212).
ALTERNATE TESTING:
Appendix J type A test (ILRT).
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i VALVE RELIEF RE UEST NUMBER:
V-46
. SYSTEM:
.Transversing In-Core Probe (TIP)
VALVE:
TIP Purge. Check Velve CLASS / CATEGORY:
-2AC FUNCTION:
TIP Nitrogen Purge Containment Isolation
. Valve TEST REQUIREMENT:
Check valves-shall be exercised at least once every'3' months.
BASIS FOR RELIEF:
This check valve remains closed during normal power operation and-is opened.
only when the TIP machines are:in use,:
usually on a monthly basis. This 3/8" check valve'provides.no safety. function other than containment isolation.
, ALTERNATE TESTING:
This check valve will be exercised open during operation of.the TIP machines and will be verified closed during local' leak testing in accordance with 10-CFR 50 Appendix J type C tests during refuel outages.
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VALVE RELIEF REQUEST NUMBER:
V-47 SYSTEM:
Diesel Air Start
" VALVES 1 1-AS-1, 1-AS-2, 1-AS-3.
CLASS / CATEGORY:
ANSI.B31.1 / B l
FUNCTION:-
Diesel air start solenoids and air start header vent. solenoid valve TEST REQUIREMENT:
The stroke time for all power operated valves shall be measured to the nearest second.
BASIS FOR' RELIEF:
These solenoid valves'have no position indication nor is it possible to verify valve stem-travel since the valve stem is internal to the valve body. Proper valve operation is verified by normal starting of the diesel during the bi-weekly diesel-operability surveillance.
This surveillance procedure requires using either valve-1-AS-1 or 1-AS-2 to start.the diesel not both at'the same time, operation of the air start valves are on a rotative basis. The air start header vent solenoid valve 1-AS-3 is operated each time the diesel is started. Failure of the diesel to start indicates failure of this vent valve to properly actuate. The manual air start valve is used during refuel outages to start the diesel during i
overhaul testing, but not normally l
used for surveillance testing. This valve is exercised every time the diesel is biweekly surveillance tested to roll the j
engine over slowly to pump over any lube oil that is collected on the upper piston after the test run.
ALTERNATE TESTING.
None. Proper operation of the air start solenoid valve assemblies and the air header vent solenoid are verified by starting of the diesel during the normal operability surveillance test required by Technical Specifications.
VALVE RELIEF. REQUEST NUMBER:
V-48 Low Pressure Coolant Injection (LPCI)
L SYSTEM:
c VALVES:
1-LP-10A, Loop A ingection valve 1-LP-10B,1 Loop B inrection valve CLASS / CATEGORY:
1A (CIV/PIV).
FUNCTION:
LPCI Injection Motor Operated Valves.
- TEST REQUIREMENT:
Containment Isolation Valves (CIV's) which also perform a reactor coolant pressure isol-ation (PIV) function shall, in addition to being tested in accordance with 10 CFR 50 Appendix
'J' leakrate test criteria, be seat leakage tested to verify their leak-tight integrity. Valve closure prior to seat leakage testing shall be by using the valve operator with no additional closing force applied.
BASIS FOR RELIEF:
Relief is requested from performing the Pressure Isolation Valve tests on.the basis that these valves due to the system design, function in the course of normal plant.oper-ation in a manner that demonstrates adequate seat leak-tightness.
The LPCI system is designed to inject water into the reactor vessel, following a LOCA with the reactor coolant system depressurized. The LPCI low pressure piping interfaces with the high pressure piping upstream at valve 1-LP-9A(B) (See ref. dwg. 25202-26008 sh.2).
The low pressure piping sides are each pro-tected by 3 valves in series on the high pres-sure side. These valves and their descriptions-are as follows:
- 1) Swing check valves 1-LP-11A(B) inside the drywell.
- 2) Motor operated injection valves 1-LP-10A(B) located outside the drywell (nor-mally closed).
- 3) Motor operated globe "stop-check" valves 1-LP-9A(B) located upstream of 1-LP-10A(B).
The only potential of Inter-System LOCA (ISL) for the low pressure piping is based on a failure of check valves 1-LP-11A(B). Should this event occur, the low pressure piping would still be protected unless 1-LP-10A(B) and 1-LP-9A(B) were both open. Valve inter-1
q
- w e
E locks prevent both valves being=open when reactor pressure;is.above 350 psig'in that:
Outboard injection valve 1-LP-9A(B).can only be opened'if the inboard valve 1-LP-10A(B) is closed and inboard. injection valve 1-LP-10A(B):
can be opened only if the outboard injection 4
of, valve 1-LP-9A(B) is closed. In the event that the interlock fails or if-valves 1-LP-10A(B)-
leak, globe stop-check valve 1-LP-9A(B) would'
,still have to fail before the low pressure piping experienced' overpressure.-In addition
.to the interlocks, the LPCI system;has a Head--
er.High Pressure Alarm with a setpoint.of 400 t
psig downstream of the heat exchangers which l alerts the. control room operators to. verify
.that valves 1-LP-10A(B)-are closed and to bleed pressure to the torus through valves 1-LP-43A(B) and 1-LP-44A(B).
Based on the PRA work conducted for Millstone fic
. Unit-1, the combined frequency of.occurence for this scenario is 1.6 x-10-8 It should'be noted that this is"no/ year.
t the frequency;
+
but is rather the; frequency-ofJover.
.of ISL,izing the low pressure piping. Even if pressur this event led directly-to an.ISL,.50% of the time, the control room operator could recover-by closing motor operated' valve 1-LP-10A(B) since the LPCI header high pressure alarm
'would actuate in the control room. Assuming overpressurization leads;to LOCA and-operator recovery from this event, the frequency of.ISL is 8 x 10-9/ year.
ALTERNATE TESTING:
Perform Appendix
'J' Type C local leakrate tests on motor operated injection valves 1-LP-10A (B).
Leakage rate measurements shall be compared with the permissible leakage rates specified in Technical Specification 4.7. A.3.e. (1).
If the leakage rate exceeds the values specified in Technical Specifications the valve shall be declared inoperable and either repaired or replaced.
A ratest demonstrating acceptable operation shall be performed fol-lowing any required corrective action before the valve is returned to service.
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VALVE RELIEF REQUEST NUMBER:
V-49 SYSTEM:
Core Spray Systems A and B VALVES:
1-CS-5A, Loop A injection valve 1-CS-5B,. Loop B inbection valve CLASS / CATEGORY:
1A (CIV/PIV).
FUNCTION:
Core Spray System Motor Operated Injection Valves.
TEST REQUIREMENT:
Containment Isolation Valves (CIV's) which also perform a reactor coolant pressure isol-ation (PIV) function shall, in addition to being tested in accordance with 10 CFR 50 Appendix
'J' leakrate test criteria, be seat leakage tested to verify their leak-tight integrity. Valve closure prior to seat leakage testing shall be by using the valve operator with no additional closing force applied..
BASIS FOR RELIEF:
. Relief is requested from performing the Pressure Isolation Valve tests on the basis that these valves du~e to the system design, function in the course of normal plant oper-ation in a manner that demonstrates adequate ~
seat leak-tightness.
The Core Spray system is designed like the LPCI system since it has two injection paths, each of which contains three isolation valves in series on the high pressure piping side.
Valve interlocks prevent both valves from being open when reactor recirculation pressure is above 350 psig in that: Outboard in]ection valve 1-CS-4A(B) can be opened only if the in-board valve 1-CS-5A(B) is closed and inboard injection valve 1-CS-5A(B) can be opened only if the outboard injection valve 1-CS-4A(B) is closed. However, there are several differences between the two systems. First, the outboard motor operated valve 1-CS-4A(B) is a normally open gate valve unlike its counterpart (ie.
globe stop check 1-LP-9A(B) in LPCI). Second-ly, the Core Spray valve opening logic has an extra low pressure permissive switch which could, if it were to fail, allow an operator to mistakenly open the inboard valve 1-CS-5A (B) before closing 1-CS-4A(B).
A similar error could not occur in testing LPCI valves, since 1-LP-9A(B) is always closed by virtue of
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being a stop check.. Based on Core Spray, system design,1there are two ways that the low pres-sure. piping could be overpressurized.
1.- Failure - of the check valva 1-CS-6A(B)J inside the containment, combined 1with coincident failure of' motor operated valve 1-CS-5A(B) to remain closed.
'2. Failure of check valve 1-CS-4A(B) coincident with failure of-the operator to close valve 1-CS-4A(B):before open-ing 1-CS-5A(B)'.
The frequency of overpressurization:due'to the.
above events is 1.1 x 10-5/ year. Again, over-pressurization does not lead to ISL and the operator can recover from this event 99% of.
the time by closing valve 1-CS-4A(B). The 1%-
that cannot be recovered is due to random
' failure of motor operated valve 1-CS-4A(B).
Assuming overpressurization leads to ISL and
- operator recovery takes place, the frequency of ISL is'1.1 x 10-7/ year.
Furthermore, during the quarterly operability testing of injection valves 1-CS-SA(B), when 1-CS-4A(B) are closed and.1-CS-5A(B) are open-ed, the 350 psig Core-Sp age detection pressure s. ray system valve leak-witch alarm is verif-ied not to actuate, which essentially.is a-leak test of the inside check valve 1-CS-6A(B). These check valves were replaced in 1980 during the. Core Spray piping replacement and do not have the' testable check feature option. The integrity of the isolation valves 1-CS-5A(B) is further verified by. performance of the Appendix
'J" Type C local leak rate testing.
Based on the frequency of ISL of once in 10 million years for Core Spray and once in 125 million years for LPCI, neither system signifi design gantly contributes to core melt. The of each system, redundant isolation valves, system interlocks, and leakage detect-ion alarms complimented with~the Appendix
'J' Type C local leak rate testing, clearly demonstrates the condition of the system and does not consider that any additional testing is required.
ALTERNATE TESTING:
Perform Appendix
'J' Type C local leakrate tests on motor operated injection valves 1-CS-SA(B).
The leakage rate shall be compared with the
t.
permissible' leakage rates specified in Technical Specification 4.7. A.3.e. (1).
L If the leakage rate exceeds the~value specified in Technical Specification
- 4. 7. A. 3. e. (1) the valve shall be repaired or replaced.
A ratest demonstrating acceptable operation shall be performed following any required corrective action before the valve is returned to service.
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l VALVE RELIEF REQUEST NUMBER:
V-50 SYSTEM:
Feedwater Coolant Injection (FWCI)
VALVES:
1-CN-2A, 1-CN-2B, 1-CN-2C, 1-CN-30A, 1-CN-30-B, 1-CN-30C.
. CLASS / CATEGORY:
2C FUNCTION:
Condensate and Condensate Booster Pump discharge Check Valves.
SYSTEM:
Reactor Feed Seni Injection Pumps VALVES:
1-CN-78A, 1-CN-78B, 1-CN-78C.
CLASS / CATEGORY:
2C FUNCTION:
Reactor Feed Pump Seal Injection Pump Discharge Check Valves.
SYSTEM:
VALVES:
1-SW-1A, 1-SW-1B,,1-SW-1C, 1-SW-1D.
CLASS / CATEGORY:
3C FUNCTION:
Service Water Pump Discharge Check Valves.
SYSTEM:
VALVES:
1-SD-3A, 1-SD-3B.
CLASS / CATEGORY:
2C FUNCTION:
Shutdown Cooling Pump Discharge Check Valves.
SYSTEM:
Reactor Building Closed Cooling Water VALVES:
1-RC-2A, 1-RC-2B.
CLASS / CATEGORY:
3C FUNCTION:
RBCCW Pump Discharge Check Valves.
SYSTEM:
Turbine Building Secondary Closed Cooling Water VALVES:
1-SC-2B, 1-SC-2B CLASS / CATEGORY:
3C I
1
'I 3
. FUNCTION:
SCCW Pump Discharge Check Valves.
1 SYSTEM:
Diesel Fuel Oil Forwarding VALVES:
1-FFDG-2A, 1-FFDG-2B CLASS / CATEGORY:
B31.1/C FUNCTION:-
Fuel Oil Forwarding Pump Discharge Check Valves SYSTEM:
Gas Turbine Fuel Oil Forwarding VALVES:
1-FFGT-1A, 1-FFGT-1B CLASS / CATEGORY:
B31.1/C FUNCTION:
Gas Turbine Fuel Oil Forwarding Pump Discharge Check valves.
TEST REQUIREMENT:
Generic Letter 89-04, " Full Flow Testing of Check Valves".
A check valve's full-stroke to the open position may-be verified by passing the maximum required accident condition flow thru the valve.
Any flow less than this will be considered a partial-stroke exercise.
A valid full-stroke exercise by flow requires that the flow through the valve be known.
BASIS FOR RELIEF:
No individual flow rate instrumentation is
--~
installed on these pumps.
ALTERNATE TESTING:
Observation of' parameters such as pump suction and discharge pressures, motor current and idle pump shaft reverse rotation are currently used to verify opening and closing of pump i
discharge check valves.
A Project Assignment (PA) has been issued to investigate, and if practical, design, procure and install permanent individual pump flow j
rate instrumentation.
This PA is being eval-uated under the Millstone Unit 1 Integrated Safety Assessment Program (ISAP) and will be scheduled accordingly.
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VALVE RELIEF REQUEST NUMBER:
V-51 SYSTEM:
Control Rod Drive Hydraulic VALVE:
305-115 *
. CLASS / CATEGORY:
2C FUNCTION:
Charging. Water Supply to Hydraulic Accumulator Check Valve.
(* Denotes one of 145 Hydraulic Control Units)
TEST REQUIREMENT:
Exercise check valves for operability every three months.
BASIS FOR RELIEF:
Exercising these valves requires that the Control Rod Drive Pumps be stopped to depres-surize the charging water header.
Securing the pumps during power operation results in a loss of cooling water to the drive mechanisms and seal damage could result.
Additionally, this test should not be performed during cold shutdown because the control rod drive pumps supply seal water to the reactor. recirculation pumps which are usually kept in operation.
ALTERNATE TESTING:
Performance of a pressure decay test that verifies closure of the charging water supply check valve to each hydraulic accumulator
~
will be performed during each refueling outage.
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