ML18047A511
| ML18047A511 | |
| Person / Time | |
|---|---|
| Site: | Palisades  |
| Issue date: | 07/15/1982 |
| From: | CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.) |
| To: | |
| Shared Package | |
| ML18047A512 | List: |
| References | |
| EM-09-02, EM-9-2, NUDOCS 8208130118 | |
| Download: ML18047A511 (65) | |
Text
..
CONSUMERS POWER COMPANY Palisades Plant - 50~255 INSERVICE TESTING OF PLANT VALVES Dated 7 /15/82
.REGULATORY. DOCKET FtlE COPY
,~* 8208130118 820806 PDR ADOCK 05000255 P PDR AUGUST 1982
PALISADES NUCLEAR PLANT PROC NO* EM-09-02 ENGINEERING MANUAL PAGE 1 OF 65 REVIStON
- lO consumers Power TITLE; INSERVICE *TESTING*OF*P1ANT*VALVES DATE 7/~5/82 *
- 1.0 PURPOSE To establish procedures for the Inservice Testing of selected plant valves.
2.0 SCOPE This proc~dure provides general requirements for the performance, adminis-tration, and evaluation of Inservice Testing and exercising of selected plant valves. Table I gives a complete listing of those valves included under this program and specifies the frequency and the procedure to be used for each test.
3.0 REFERENCES
3.1 ASME Boiler and Pressure Vessel Code,Section XI, Subsection IWV, 1977 edition.with addenda throu~h summer 1979.
3.2 10 CFR 50.55(g)(4).
3.3 Administrative Procedures, Ch 6 & 10.
3.5 Technical Specifications 4.3.c.
4.0 DEFINITIONS 4.1 Valve as used in this procedure includes any type of valve with any type of actuation such as manual, power, or self-actuated, and includes the actuating and .position indicating system.
4.2 Valve Categories shown in Table I are as defined in Article IWV-2000 of Re"ference 3. 1. Where Table I indicates that a valve falls under two categories, such as AC, the requirements.of both categories apply.
4.3 Valve exercising is the physical stroking of a valve to verify that its moving parts function satisfactorily_.
PALISADES NUCLEAR PLANT PROC NO EM-.:09-02 ENGINEERING MANUAL PAGE 2 OF 65 REVISION 10 onsumers Power
- TITLE; INSERVICE TESTING OF PLANT VALVES DATE 7/15/82 4.0 DEFINITIONS (Contd) 4.4 Valve maintenance as used in this procedure includes replacement, repair, or preventive maintenance on the valve or its actuating system, which could affect performance parameters of the valve. Examples of valve maintenance*
includes adjustment or replacement of stem packing; removal of the bonnet, stem or actuator; or disconnection of the air or electrical lines to the actuator.
4.5 Project Engineer as used in this procedure is that individual assigned C
.. ~*-:
- 5. 1. 1 The Palisades Inservice Valve Test Program is summarized in the attached Table I. The valves were selected* in accordance with NRC letter dated January 13, 1978 and follow-on discussions with the NRC and include:
- 1. Those valves which are required to function to safely shut down the plant in the event of an accident.
- 2. Those valves which are required to function to mitigate the conse-quences of an accident.
- 3. Those valves which are required to function to prevent the unintentional re~ease of radioactive fluids or gases to the outside environment.
- 4. Valves affording a safety-related overpressure protection function.
- 5. Valves for which the nature of their service or.their location dictates that administrative controls be exercised to ensure the valves are not
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inadvertently left out of their safety positions. during plant operation. 1 -*
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PALISADES NUCLEAR PLANT PROC NO EM-09-02 ENGINEERING MANUAL PAGE 3 or "65 REVISION 10 consumers Power TITLE; INSERVICE TESTING OF PLANT VALVES D~.TE T/15/82 5.0 PROCEDURE (Contd)
If a valve cannot be tested strictly in accordance with Section XI, the table also indicates where relief has been requested from the NRG.
All remaining valves are considered installed for operating convenience or maintenance, and are therefore not included in the ISI program.
- 5. 1. 2 This procedure and all supporting test procedures have been written to comply with the ASME B&PV Code,Section XI, 1977 Edition, with Addenda through summer 1979. The procedure will be effective under this Code Edition for the 20 month period starting Jan. -1982 and ending Aug. 29, 1983. At the end of this period, this program must be updated to a later code edition in accordance with 10 CFR 50.55(g)(4).
- 5. 1. 3 It should be noted that where Code compliance is not practical or possible, formal application must be made to the NRG and relief granted per 10 CFR 50.55a(g)(6)(i); ie. 6 months prior to perfo~g1?\eff9'.(*upc+a~ea:.*:pr.o~~i 5.2 TESTING REQUIREMENTS m)ii c~~w Ji\'; LjJ [:~
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5.2.1.1 On a quarterly basis, all valves categorized "A" or "B" in Table I shall be exercised unless valve operation is not practical during plant operation or relief is granted per 5.1.3 above. Those which are impractical to operate during operation shall be exercised during each cold shutdown. If frequent cold shutdowns occur, these valves need not be exercised more frequently than once every 3 months.
5.2.1.2 As each valve is exercised, the applicable procedure shall require the following observations to be made and the results recorded:
PALISADES NUCLEAR PLANT
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.onsumers Power TITLE; ENGINEERING MANUAL INSERVICE TESTING OF PLANT VALVES PROC NO EM-09-02 PAGE REVISION 4 OF 65 10 DATE 7 /15/82*
5.0 PROCEDURE (Contd)
- 1. Valve stem or disk movement shall be established by observing either an indicator which signals the change in valve position, ,or indirect evidence, such as changes in system pressure, flow-rate, or temperature, which reflect stern or disk position. All valves with remote position indicators which are inaccessible for direct observation during plant operation shall be visually observed each refueling outage up to a
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- yi::::::: ::1::0p:::::~n~o verify that 1*~5~~r4r;~~ii -r~
t".""':
- 2. In the case of power operated valves, the full~f~ilf.~ "\t_rriC] te~ ~e ~~
position required to fulfill their safety function shall be measured
- ( ....
to the nearest second.
NOTE: The Code also requires that valves with fail-safe positions also be tested by removing actuator-power or air to verify that the valves actually move to their fail positions. At Palisades, normal opera-tion of these valves has exactly the same effect as removing the power or air supply; i.e., on a fail-shut valve, going to the shut position on the switch removes power from the solenoid valve which, in turn, removes the air supply. These valves, therefore, need not be additionally tested. Individual test procedures will iden-tify those valves, if any, which require additional failure mode testing.
5.2~2 Valve Exercising, Check Valves (IWV-3412)
On a quarterly basis, check valves listed in Table I as Category C shall be exercised unless valve operation is not practical during plant operation, C.*
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PALISADES NUCLEAR PLANT PROC NU EM-09-02 ENGINEERING MANUAL PAGE 5 OF65 REVISION lO consumers Power TITLE; INSERVICE TESTING OF PLANT VALVES DATE 7/15/82 5.0 PROCEDURE (Contd) or relief is granted per 5.1.3 above. Those check valves which cannot be exercised during plant operation shall be identified in t,he individual valve test procedures and will be exercised during each cold shutdown. In the case of frequent cold shutdowns, these valves need not be exercised more frequently than once every 3 months.
5.2.2.2 The manner in which each check valve is to be tested will be detailed in each individual test procedure, within the following guidelines:
- 1. Check valves normally open during plant operation, whose safety function is to close on reversal of flow, shall be exercised in a manner that proves the disc travels to the~seat on flow reversal.
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Verification of disc position shall be;.,A!j'a~sing a position indi-
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cator (if available), system presiu:~e**:q'~:_.f:~ow;£h9ications, or by
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other positive means such as ~~~u*~zing* t.}\; piping downstream to
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verify the check valve is.~~~:*~n*d*.;.n,;1,1 .. i<old pressure.
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- 2. Check valves normally clos}f;lr:--0,'i!t,'.tng p.):ant operation whose safety
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function is to open on reversal.~~f/pressure shall be tested in a manner which proves the disc moves away from the seat on reversal of pressure an0 opens fully. Verification that essentially free flow exists can be made by pressure, flow, or other positive indi-cations.
NOTE: The NRC has interpreted the Code full stroke requirement to mean that full design flow must be passed th_rough each check valve to verify acceptability. If full design flow is not.attainable in a test condition, it is necessary to obtain relief from the NRC per 5.1.3 to allow less than full flow testing.
PALISADES NUCLEAR PLANT PROC NO EM-09-02 ENGINEERING MANUAL PAGE 6 OF 65 onsumers Power TITLE; INSERVICE TESTING OF PLANT VALVES REVISION 10 ( -:-:--.*
DATE .7/15/b2 5.0 PROCEDURE (Contd)
- 3. Check valves normally closed during operations whose safety function is to be closed if pressure is applied in that direction, sh~ll be tested as in (1) above.
5.2.3 Valve Leak Testing (Category A Valves) IWV-3422 5.2.3.1 Test shall be conducted during a refueling outage at least once every two year~,
all category A valves shall be tested to determine seat leakage rates.
5.2.3.2 The test pressure to be used will normally be the full differential pres-sure the valve is required to seat against with the following exceptions:
- 1. In those cases where valve function differential pressure tends to seat the valve more tightly, such as with check, gate, or globe valves with
- pressure applied above the disc, a reduced test pressure may be specified.
The measured leak rate is then adjusted using the following formula:
L dpf t dpt 2
, where
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Estimated Leak Rate at function Measured Leak Rate at test dp Function differential pressure \ .*, '.* .". * \ "t::: \Ji
\~;: ..Jj \.j \p dpt Differential pressure applied during~fest.
- 2. In the case of containment penetration isolation valves where leakage rates are important for containment isolation but not from a system furrction standpoint, the test pressure shall be as required by Reference 3.4. The valves which fall into this category are designated in Table I.
- 3. The allowable leakage rate for each Category A valve shall be specified
- in each individual test procedure.
PALISADES NUCLEAR PLANT PROC NO EM-09-02
@) TITLE; ENGINEERING MANUAL INSERVICE TESTING OF PLANT VALVES PAGE 7 OF 65 REVISION 10 consumers Power DATE 7/15/82 5.0 PROCEDURE (Contd) 5.2.4 Category C, Safety and Relief Valve Testing 5.2.4.1 All Category C safety and relief valves shall have their'*setpoints verified at least once in each five year period. The valve tests shall be distributed over each 60 month period such that N/60 X Z valves have been tested by the end of each refueling outage, where N = number of months from the start of the 60 month period to the end of each refueling outage and Z is the total number of reliefs which are included in this program.
5.2.4.2 For the purposes of this program, the start date for the first 60 month period is November 1, 1976, and the end date by which all relief valves 5.2.5 are no special testing requirements applicable to Palisades for these categories. The code-required position verifications are satisfied by Operations Department Checklists and Operating Procedures.
5.2.6 All valve operations required by 5.2.1 through 5.2.5 above will be per-formed under Tech Spec Surveillance, Operating, or Maintenance procedures.
When necessary, these procedures will specify required plant conditions or restrictions on valve operation, such as when safe operation is only per-mitted during cold shutdown, or when only part-stroke exercising is allowed during operation.
In all cases, routine operations of each valve as part of plant or system evolutions can be used to satisfy the exercising requirements as long as the required observations are made and recorded.
PALISADES NUCLEAR PLANT I**@ ENGINEERING MANUAL PROC NO EM-09-02 PAGE 8 REVISION 10 OF 65
-onsumers Power TITLEi INSERVICE TESTING OF PLANT VALVES DATE 7/i5/82 5.0 PROCEDURE (Contd) 5.3 PROGRAM ADMINISTRATION 5.3.l Test Procedures **
Each valve test required under this program shall be performed under a Tech*
Spec Surveillance Procedure, Operating Procedure, or Maintenance Procedure written to comply with all requirements of this Engineering Manual Procedure and Reference 3.1 as amended by the Technical Specifications. A single procedure may be used to test a group of valves, but applicable data-taking addressed for each valve.
Scheduling tests shall be in accordance with Plant Administrative Procedure 18 and will be administered by the Tech Spec Surveillance Program Administrator (TSSPA).
5.3.3 Modified Test Frequencies Under some conditions discussed below, test frequency is required to be changed to allow more frequent observation of a valve. In these cases, it is the responsibility of the Project Engineer or other assigned individual to formally notify the TSSPA of this change. Similarly when the need for a modified test frequency passes, the Project Engineer shall formally notify the TSSPA to return to a normal test frequency.
5.3.4 Nonconformances/Data Evaluation 5.3.4.1 If a valve fails to operate or exceeds the limiting stroke time indicated in the test procedure, the operator or maintenance man shall document the problem ('..:,:_.\
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in the procedure comments section. The responsible Supervisor, as part of his review of the completed procedure, shall then fill out a Deviation Report
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PALISADES NUCLEAR PLANT PROC NO EM-09-02 ENGINEERING MANUAL PAGE 9 OF 65 REVISION lO consumers Power TITLE; INSERVICE TESTING OF PLANT VALVES DATE 7/15/82 5.0 PROCEDURE (Contd)
(QA-16) documenting the non-conforming items, write a Maintenance Order to correct the problem (if required), issue a caution tag pe~ Administrative Procedures, Chapter 4, and document the above actions on the test procedure.
The DR and completed procedure is then forwarded to the TSSPA and the Techni-cal Superintendent/Project Engineer for evaluation. If the non-conforming condition cannot be dispositioned or corrected within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, the valve shall be declared inoperable until the condition is corrected and a successful retest is completed. If the plant is required to be in cold shutdown condi-tion for the test, then the nonconformance must be co:i:x:ected prior to start-up .
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The Project Engineer is responsible for dev,~l. op'i;!Yg Ma~_J},tenance Procedures when
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required, and providing any necessarY'. lia:j;so,n
- betwe:en hiie Maintenance and Operations Departments to repair'.:~~n~:*:*t~etest
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t.he n~~~conf*~~ming
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valve.
5.3.4.2 When a valve fails its regular test/ sh9ws a*rri'arked change in operating parameters, or approaches a limiting condition, certain additional follow-up action must be taken. It is the responsibility of the Project Engineer to initiate this action, as follows:
- 1. Valve Stroke Times: If the stroke time of a power operated valve in-creases by 25% or more for valves with a stroke time on the next previous test of more than ten seconds, or by 50% or more for valves with a pre-
. vious stroke time between five and ten seconds, or an increase of five seconds for valves with a previous stroke time under five seconds, test frequency shall be increased to once each month until the valve operates correctly or correct~ve action is taken, at which time the original fre-quency shall be resumed. These requirements .do not apply following
PALISADES NUCLEAR PLANT PROC NO EM-09-02 ENGINEERING MANUAL onsumers Power TITLEi INSERVICE TESTING OF PLANT VALVES PAGE 10 REVISION 10 DATE OF 7/15/82 65 c ..:**,
5.0 PROCEDURE (Contd) maintenance which may affect stroke time (repacking, actuator repairs, etc). In this case, stroke time must be verified to be wifhin the time limit specified in the surveillance procedure/basis document.
- 2. Valve Leak Rates: The majority of Palisades' CategoryAvalves are con-tainment isolation valves which are governed by 10 CFR Appendix J. These valves do not have specified individual leak rate limits, but are governed by the total permissible containment leak rate specified in Technical Specifications. The Code method for determining the need for corrective action, therefore, is not directly applicable. Palisades' specified leak rate limits are in accordance with Appendix J, as allowed by IWV-3427.
For any Category A valves which are not governed by Appendix J; the (: ..
acceptance criteria of IWV-3427 apply.
- 3. Relief Valve Tests: If a Category C relief valve fails its regular test, the Project Engineer is responsible for scheduling additional valve tests on valves of the same category and same system in accordance with Para-graph IWV-3513 of Reference 3.1. If any additional valves in that category and system fail the test, then all valves in that systeil1. _and category shall be tested.
5.4 RECORDS
- 5. 4. 1 For monthly, quarterly, and refueling outage tests,- the'-working. copy of the Tech Spec Surveillance Procedure and any applicable maintenance orders shall constitute the permanent test record. These documents are maintained as lifetime plant records. Any additional documents such as relief valve test
PALISADES NUCLEAR PLANT PROC NO EM-09-02 ENGINEERING MANUAL PAGE 11 OF65 REVISION 10 consumers Power TITLE; INSERVICE TESTING OF PLANT VALVES DATE T/15/82 reports should be maintained with the above records, or filed separately under the same UFI index numbers as Tech Spec Surveillance procedures and also with a lifetime retention period. *-
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'* x HS Q0-8 Part Stroke 409)m 3146 ES 1 A-7 x 12 CK SA c 0 A QO cs Q0-8 Part Stroke 900gvm M0-3013 1 B-3 x 2 GL MO c 0 A QO,PI Q0-5,QO-l -l 3147 ES 1 E-4 x 12 CK SA c 0 A QO x HS 00-8 Part Stroke 409 bm ~
F ISI MASTER Disassemble M0-3052 1 I E-4 x 12 GA MO LO 0 p ---
- PLAN ~
r H
z CV-3038 1 D-4 x 1 GL AO c c A .QO,PI Q0-5,Q0-1 C/'l CJ) tT! l>
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rn M0-3014 r* 1 A-3 x 6 GL MO c 0 A QO,PI Q0-5,QO-l 0
tx:I (f)
CV-3069 3 C-8 x 2 GL AC 0 c A QO,PI Q0-5 J--3 J--3
- i> trj z CV-3001 2 H-2 x 6 GL AC c t:,() A QO.' x cs Q0-10 b::I C/'l t--< J--3 c trj ~ 0 CV-3002 2 G-2 x 6 GL AC c ~,o Q0-10 H G':l r m
13226 ES 2 H-2 x 8 CK SA c 0 Q0-10 Part Stroke360e:J!m ~ l>
hj
"U 3258 ES :2 H-2 x 8 GA M LO 0 t-3 r l>
3227 ES 2 H-'2 x x 1 GL M LC C P33, Qtly.strok ~<: z ing not req'd trj ~
C/'l 3259 ES 2 G-2 x 8 GA M LO 0 3217 ES 2 H-2 x x 1 GL M LC C P33,Qtly strok-i--~~~~~~
.-:** ... ing.not req'd p ,_':_.,,. :
MO- 3015 1 D-2 x 12 GA !MO ELC C \:,~
M0-3016 1 D-2 x 12 GA iiJ:o ELC C p
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ro 1 Pen 33, Qtly 1234 ES 2 G-8 x x 2 GA M LC QO,LT x LT R0-32 stroking .not req'd --I
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r Pen 33, Qtly 3236 ES 2 H-6 x x 1 GA M LC QO,LT x LT R0-32 stroking not H
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0 3225 ES 2 F-7 x GA M LC --- ---
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CV-3031 2 E-3 x 18 GA A 0 C,O A QO x cs 00-2 H "U
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3240 ES 2 F-3 x 18 CK SA 0 c,o A QO x QO M0-23 Part stroke
~
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3353 ES 2. F-3 x 2 GA M LO --- .,,~
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-I
-I r-l'T1 3186 ES 2 B-5 x 3 CK SA c 0 A QO x RO R0-65 Full Stroke -*
3184 ES 2 A-4 x 6 GA M LO 0 p --- --- ~
r 3187 ES 2 A-5 x 3 GA M LO 0 p --- ---
H z -
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.. H H zM m CV-3037 2 B-5 x *x 3 GA AC ELC c,o A QO Q0-5 (")
t<:l (J) x 00 M0-22 Part Stroke M 3168 ES 2 E-3 x 8 CK SA c o,c A QO rl~ ::0 RO * 'R0-65 Full Stroke :i> (/)
H z0 z 3175 ES 2 F-4 x 6 GA M LO 0 p . ' .,.* ..'
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cu 3189 ES 2 D-3 x 14 GA M LO 0 p --- --- .._..
3193 ES 2 F-5 .x 10 GA M LO 0 p --- --- -
-i x cs 00-lO Part Stroke ,..,
r-3192 ES 2 F-5 x 8 CK SA c 0 A QO -*
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3209 ES 2 E-5 x 8 GA M LO. 0 p --
3206 ES 2 E-4 x 14 GA M LO 0 p -- -I
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RV-0701 AB : D 6 i RV SA F I RM-29 RV-0702 ! 2 I H-7 x 6 RV SA F I RM-29 -4
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PALISADES NUCLEAR PLANT PROC NO EM-09-02
. 65 ENGINEERING MANUAL PAGE 39 OF INSERVICE TESTING OF PLANT VALVES REVISION lO consumers Power .. TITLE i TABLE I DATE 7/15/82" LEGEND VALVE TYPE TESTING REQUIREM~NTS GA Gate QO Quarterly Operating GL Globe cs Cold Shutdown RV Relief LT Leak Test AGL Angl~ F Five Years B Butterfly PI Remote Position Indication Verified Every Refueling RUD Rupture Disc HS/CS Hot or Cold Shutdown RO 18 Months - Refueling Outage ACTUATOR TYPE AO Air to Open AC Air to Close M Manual SA System Actuated*
MO Motor Operated SV Solenoid Actuated
- ~:*
POSITION, SAFETY POSITION \
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0 Open C Closed LO Locked Open LC Locked Closed EL Electrically Locked TABLE NOT°ES :
- 1. Where full stroke or part stroke testing is not specifically indicated, full stroke testing is implied. Check valve flow testing at a substantial flow approximately equivalent to design accident flow is considered to be full stroke testing.
- 2. Tests requiring cold shutdown conditions are also performed during refueling outages.
FIGURE 1 VALVE STROKE 'I'H'.1~3 FOR VALVE
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~~
. BULK POWER OPERATIONS PAGE 42 OF 65
'i "'I ._,;y PALISADES NUCLEAR PLANT
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ENGINEERING MANUAL REVISION 10 consumers Power DATE 7 /1 r::./82 TITLE: INSERVICE TESTING OF PLANT VALVES FIGURE 3 PALISADES PLANT '*
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System Procedure P&ID References
- . . ~ ~1 Required Setpoint + +
Source As-Found Setpoint
- ~)Final Set point PERFORMED BY
Date Calibration Equipment Gauge S/N Cal. Due Date REMARKS: ~-~--~---~--~---~~~--~-~--~-~-~-~---!
DR Number (If reqrd) ~~~~~~~~~~~~~
Reviewed For Completeness. DR prepared if as-found setpoint out of required tolerance.
Maint. Supervisor Date~~~~~~~~~
Forward completed data sheet and DR (If applicable) to Technical Superintendent.
Evaluated in accordance with EM-09-02.
Tech. Supt. /Pro j . Eng. Date Evaluation Remarks: (Include further action required including MO numbers):
Return data sheet to Maintenance for permanent filing with MO.
,. EM-09-02 Rev. 10 Page 4 3*
7/15/82 RELIEF REQUEST BASIS SYSTEM: Primary Coolant System (M-201)
VALVES: PRV-1067, PRV-1068, PRV-1069, PRV-1070, PRV-1071 and PRV-1072 CATEGORY: B FUNCTION: 1) Reactor Coolant Pressure Boundary Isolation Valves
- 2) Reactor Vessel~ vent valves, Primary Coolant System high point vent valves (from Pressurizer), added per Nureg 0737.
TEST RE-QUIREMENT: Exercise Quarterly BASIS FOR RELIEF: Exercising of these valves during operation breaches the Primary Coolant system and Reactor Coolant Pressure Boundary.
ALTERNATIVE TESTING: Exercise during cold shutdowns, but not necessarily more frequently than once each quarter .
...;;-. ..:..~*. ****-* ***' *. , - ..
EM-09-02 RELIEF REQUEST BASIS Page*44 Rev .10.
7/15/82 SYSTEM: Chemical & Volume Control (M-202)
VALVE: M0-2087 CATEGORY: B CLASS: 2 FUNCTION: Outlet isolation valve for the volume control tank. Valve shuts on a safety injection signal so that full charging pump flow becomes concentrated boric acid.
TEST REQUIREMENT: Exercise quarterly.
BASIS FOR RELIEF: Exercising this valve requires interruption of charging and letdown flow. If this were to occur while the PCS is hot, the regenerative heat exchanger could be.ther-mally shocked when charging/letdown flow is reestablished.
ALTERNATIVE TESTING: Exercise during cold shutdowns, but not necessari~Y ...
more frequently than once each quarter .
- SYSTEM: Chemical & Volume Control (M-202)
VALVE : MO- 216 9 , MO- 2 170 CATEGORY: B CLASS: 2 FUNCTION: Valves open on safety injection signal to open the concentrated boric acid gravity feed path to the charging pump suctions.
TEST REQUIREMENT: Exercise quarterly.
Opening these valves during normal plant operation would BASIS FOR RELIEF: result in a significant reactivity addition from the in-jection of concentrated boric acid into the PCS. The re-sulting reactor power/PCS temperature excursion could cause a reactor trip. During hot shutdown, since significant PCS_
boration does not occur, exercising these valves can result in the unnecessary generation of large quantities of radio-active waste, especially late in core life.
ALTERNATIVE TESTING: Excercise during cold shutdown, but not necessarily more frequently than once each quarter .
EM-09-02 RELIEF REQUEST BASIS Page 45 Rev lCl 7/15/82 SYSTEM: Chemical & Volume Control (M-202)
VALVE: 2138CVC, 2139CVC, 2141CVC, 2161CVC, 2171CVC CATEGORY: C CLASS: 2 FUNCTION: Prevent backflow of charging system water into the concentrated boric acid tanks while providing a flow path for boric acid in-jection to the charging pump suctions.
TEST REQUIREMENT: Exercise quarterly.
BASIS FOR RELIEF: These valves only open when there is flow of concentrated boric acid.or highly borated SIRW tank water. Opening any of these valves during normal plant operation would result in a reactivity excursion from the injection of boric acid into the PCS. The resulting reactor power/PCS temperature excur-sion could result in a reactor trip. During hot shutdown, since significant PCS boration does not occur, exercising these valves would result in the un-
~ecessary_generation of large quantities of radioactive waste, especially late in core life.
ALTERNATIVE TESTING: Exercise during cold shutdown, but not necessarily more frequently than once each quarter.
SYSTEM: Chemical & Volume Control (M-202)
VALVE: CV-2009 CATEGORY: A CLASS: 2 FUNCTION: Containment isolation valve for letdown TEST REQUIREMENT: Exercise quarterly, leak test each refueling outage.
BASIS FOR RELIEF: Interrupting letdown flow at normal operating temperature is undesirable because reinitiation of flow can thermally shock the regenera-tive heat exchanger. In addition, closing this valve at PCS pressures greater than 600 psia will cause relief valve RV-2006 to lift unless the letdo'm line is ~solated prior to exercising this valve. The isolation function can only be verified safely at lower PCS pressures and temperatures.
ALTERNATIVE TESTING: Exercise during cold shutdow~. Leak test each refueling outage. The isolation function of this valve will be veri.fied during each start-up from cold shutdown at a FCS pressure of 500-600 psia.
EM-09-02 RELIEF REQUEST BASIS Page** .46 Rev .10 7/15/82"
,. SYSTEM: Chemical & Volume Control (M-202)
VALVE: CV-2083 CATEGORY: A CLASS: 2 FUNCTION: Containment isolation valve for primary coolant pump seal controlled bleedoff line to volume control tank .
TEST REQUIREMENT: Exercise quarterly, leak test each refueling outage.
BASIS FOR RELIEF: Shutting this valve during'primary coolant pump operation (i.e., any hot plant condition) stops pump seal leakoff flow. Since this flow provides both seal lubrication and cooling, interruption can cause seal failure and will cause a relief valve to lift, resulting in the unnecessary loss of some primary coolant as radioactive waste.
ALTERNATIVE TESTING: Exercise each cold shutdown, but not necessarily more frequently than once each quarter. Leak test each refueling outage.
~-" .
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TEST REQUIREMENT:
BASIS FOR RELIEF:
ALTERNATIVE TESTING~
EM-09-02 Page 47 RELIEF REQUEST BASIS Rev 10 7/15/82 System: Engineered Safeguards (M-203)
VALVE: 3101ES, 3116ES, 3131ES, 3146ES CATEGORY: C CLASS: 1 FUNCTION: Prevent backflow of primary coolant into the safety injection piping, while providing a flow path for safety ipjection water into the four PCS cold legs. The maximum design'accident flow through each check valve is 11,570 gpm. The minimum calculated flow required to lift disk to full open is 1,647 gpm at lOOF.
TEST REQUIREMENT: Exercise quarterly BASIS FOR RELIEF: The existing Plant design configuration does not allow performance of maximum design accident or minimum cal-culated flow testing to these check valves. When the Plant is in a cold shutdown. A maximum flow of 900 gpm can be achieved by using the shutdown cooling system.
During normal operation this type of test can not be performed because the shutdown cooling systems pressure is lower than PCS pressure. During a hot shutdown a flow of approximately 40 gpm can be achieved by use of the charging system. This type of exercising is not desirable during normal Plant operation, because highly borated water would be injected into the PCS, potentially resulting in a reactor trip.
ALTERNATIVE TESTING: Stroke test at 900 gpm during each cold shutdown.
Part stroke exercise at approximately 400 gpm during hot shutdown. Disassemble one valve and verify free-dom of disk motion on ten year inservice inspection plan. Exercising is not required more frequently than once each quarter.
System: Engineered Safeguards (M-203)
VALVE: 3102ES, 3117ES, 3132ES, 3147ES CATEGORY: C CLASS: 1 FUNCTION: Prevent backflow of primary coolant/safety injection flow into the safety injection tanks. While providing a flow path for safety injection water into the four PCS cold legs. The maximum design accident flow through each check valve is 11,750 gpm.
The minimum calucatP.d flow required to filt disk to full open is 1,647 gpm at l00°F.
(. TEST REQUIREMENT:
BASIS FOR RELIEF:
Exercise quarter~y The exi'sting Plant. design cqY1figuration does not allow performance of miximum design accident or minimum calculated flow testing to these check valves. Part stroke testing is possible but undersirable during
EM-09-02 RELIEF REQUEST BASIS Page 49 Rev lO
.J_/l5/82 SYSTEM: Engineered Safeguards (M-203)
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VALVE: 3226Es, 3216Es :,. i.; ~:' r ,, .r;;r-:-*.~;:l~tT--:;
CATEGORY: C CLASS: 2 i* :. f: j.>.,.,.., ti:./
FUNCTION:
£~L;;;. :i:>i' *~-. : {~::::~.-~: IN:.'.,i Serve as containment isolation valve wfiile p.\fbv1£d.Uig~~~:low fJ Ll path for containment spray water into the spray headers. Thiff" maximum design accident through each check valve ~s 1250 gpm. The minimum ca0culated flow req_uired to lift disk to _full open is 958 gpm at 150 F.
- TEST REQUIREMENT: Exercise quarterly.
Accident considerations require that the containment spray BASIS FOR RELIEF: headers be filled to a level just below the spray rings when-ever the reactor is critical. It is imprudent to test these valves during operation since Tech Specs will only allow single valve isolation of the spray headers, and single valve isolation is not adequate to assure containment spray would not result. These check valves can only be tested during cold shutdown when the spray headers can be drained. In addition, these check valves can only be full flow tested by initiating containment spray. Because of the recirc.
piping configuration, a test flow of only 360 gpm can be achieved vs a minimum design spray flow of 1250 gpm. Since this flow~ how~ver, is very sensitive to check valve position, any signifi-ALTERNATIVE TE~TING. cant change in the valves would be easily detectable.
Part stroke exercise during cold shutdowns but not
- SYSTEM:
VALVE:
CATEGORY:
_necessarily more frequently than once each quarter.
Engineered Safeguards (M-203)
CV-3001, Cv-3002 B CLASS: 2 FUNCTION: Serve as containment isolation valves which open in accident conditions to initiate containment spray.
TEST REQUIREMENT~ Exercise quarterly.
BASIS FOR RELIEF: See discussion for 3226ES, 3216ES. Exercising these valves during normal operation could result in draining the containment headers.
ALTERNATIVE TESTING: Exercise during cold shutdowns, but not necessarily more frequently than once each quarter.
E..."fl.f-09-()2 RELIEF REQUEST BASIS Page 5*0 Rev 10 1/-15/82
~ SYSTEM* Engineered Safeguards (M-203)
VALVE: 3217ES, 3227ES CATEGORY: AE CLASS: 2 FUNCTION: Act in conjunction with 3234ES, 3236ES and 3237ES (M-204) as con-tainment isolation valves for the SI tank drain line. These valves are not significant to reactor safety.
TEST REQUIREMENT: Exercise quarterly. Leak test each refueling outage.
BASIS FOR RELIEF: Valves are normally passive in their safety position (closed). The requirement for exercising is not warranted and was artificially created because valves are in Category A.*
ALTERNATIVE TESTING: Leak test only during each refueling outage.
SYSTEM: Engineered Safeguards (M-203)
VALVE: 3104ES, 3119ES, 3134ES, 3149ES CATEGORY: C CLASS: 1 FUNCTION: Prevent backflow of PCS/safety injection tank water into the HPSI
\ pumps while providing a flow path for HPSI water into the four PCS loop safety injection lines. The design flow rate through each check
) valve is 300 gpm. The minimum calculated flow required to lift disk to full open is 67 gpm.
TEST REQUIREMENT: Exercise quarterly.
BASIS FOR RELIEF: During hot plant conditions, the HPSI system design pressure is less than PCS pressure. Below a pressure of 1400 psi with the reactor vessel head installed, Tech Specs require that the HPSI pumps be disabled by
.removing their breaker control fuses to prevent possible PCS overpressurization.
Part stroke testing is possible in cold shutdown with the reactor vessel head installed. Full stroke testing is possible during refueling outages with the reactor vessel head removed.
ALTERNATIVE TESTING: Part stroke these valves during cold shutdowns with the reactor vessel head installed, but not necessarily more frequently than once each quarter. Full stroke exercise at approximately: -350 gpm during refueling outages.
EM-09-02 RELIEF REQUEST BASIS Page 51 Rev 10 7/15/82 SYST~~~:gi::::::, S::::d:2::::~3:25 3ES n~f:: ~:y~ f'\ fo' *,"'1]'"
CATEGORY, FUNCTION:
c CLASS , 1 ED u;.: 0;.Hi r:I Prevent backflow of PCS/ safety injection tak.e. waf:er-in'tb~'the re'-
dundant HPSI piping while providing a flow path for redundant HPSI into the four loop safety injection lines. The design flow rate through each check valve is 300 gpm. The ~inimum calculated flow required to lift disk to full open is 67 gpm.
TEST REQUIREMENT: Exercise quarterly.
BASIS FOR RELIEF: Exercising these valves during normal plant operation would result in thermo shock and reactivity excursion from the injection of highly borated water (approx. 1900ppm) into the PCS. The resulting reactor power/PCS temperature excursion could result in a reactor trip. Part stroke exercising is possible during hot or cold shutdowns. Full stroke testing can only be performed during refueling outages when the reactor vessel head is removed because of pump discharge pressure limitations and Tech Spec limitations on operating HPSI pumps.
ALTERNATIVE TESTING: Part stroke exercise during hot or cold shutdown, but not necessarily more frequently than onece each quarter.
Full stroke exercie at approximately 350 gpm leak test during cold shutdown but not necessarily more frequently than once each 9 month period.
SYSTEM: Engineered Safequards (M-203)
VALVE: 3103ES, 3118ES, 3133ES, 3148ES CATEGORY: C CLASS: 1 FUNCTION: Prevent backflow of PCS/safety injection tank water into the LPSI piping and pumps piping while providing a flow path for LPSI water
- into the four loop safety injection lines. The design flow rate through each check valve is 750 gpm. The minimum calculated flow required to lift disk to full open is 478 gpm at 350°F.
TEST REQUIREMENT: Exercise quarterly.
BASIS FOR RELIEF: During hot plant conditions the LPSI pumps will not develop sufficient head to overcome PCS pressure. When the PCS is cold, however, the normal shutdown cooling flow path is through these valves.
ALTERNATIVE TESTING: Exercise these valves at approximately 800 gpm necessarily more frequently than once each quarter. Leak test during
( cold shutdown* but not necessarily more frequent than once
\._ each 9 month pe~iod._
EM-09-02 RELIEF .REQUEST BASIS Page 52 Rev 10 7/15/8'2 SYSTEM: Engineered Safeguards (M-204)
VALVE: CV-3031, CV-3057 CATEGORY: B CLASS: 2 FUNCTION: SIRW tank outlet valves. .**.
TEST REQUIREMENT: Exercise quarterly.
BASIS FOR RELIEF: Shutting CV-3031 or CV-3057 would result in a violation of the Tech Specs because shutting either of these valves would eliminate a source of water to more than one high pressure or low pressure safety injection pump.
ALTERNATIVE TESTING: Exercise each cold shutdown, but not necessarily more frequ*ently than once each quarter.
SYSTEM: Engineered Safeguards (M-204)
VALVE: CV-3029, CV-3030 CATEGORY: B CLASS: 2 FUNCTION: Containment sump valves.
TEST REQUIREMENT: Exercise quarterly.
BASIS FOR RELIEF: CV-3029 and CV-3030, their failure in the open position
- during a test would reduce the capability of the safety injection system, by eliminating a source of water to more than one high pressure or low pressure safety injection pump.
ALTERNATIVE TESTING: Exercise each cold shutdown, but not necessarily more frequently than once each quarter .
RELIEF REQUEST BASIS
- SYSTEM: Engineered Safeguards (M-204)
VALVE: 3234ES, 3236ES, 3237ES CATEGORY : AE CLASS: 2 FUNCTION: Act in conjunction with 3217ES and 3227ES (M-203) as contain-ment isolation valves for the SI tank drain line. These valves are not significant to reactor safety.
TEST REQUIREMENT: Exercise quarterly. Leak test each refueling outage.
BASIS FOR RELIEF: Valves are normally passive in their safety position (closed). The requirement for exercising is not war-ranted and was artificially created because valves are in Category A.
ALTERNATIVE TESTING: Leak test only during each refueling outage.
SYSTEM: Engineered Safeguards (M-204)
VALVE: 3181ES, 3166ES CATEGORY: C CLASS: 2 FUNCTION: Prevent backflow of S.IRW tank water into the containment sump while providing a flow path from the containment sump to the safety injection pump suctions when in the recirculate mode.
TEST REQUIREMENT: Exercise quarterly.
Full stroke exercising these valves with flow is not possible BASIS FOR RELIEF: during any hot plant condition because the required pumps can-not be operated and because this testing would require the cont. sump to be flooded. Full flow testing under any plant condition is undesirable because of contamination of all ESS systems and the PCS which would result from pumping the uncontrolled sump water into the PCS. Also valve dis-assembly and manual ~troking is not practical because the valves must be cut out of the lines to gain access to the disc. Part stroke testing is not permissible during plant operation because it would require disabling engineered safeguards equipment in excess of that allowed by Tech Specs.
Part stroke testing is possible during cold shutdown.
ALTERNATIVE TESTING:
Part stroke e:i;cercise these valves during cold shutdowns.
EM-09-02 RELIEF REQUEST BASIS Page 54*
e R_ev 10 7 /15/82
~~?~\ ~J~\\ f\ Llf~C::)~:B r'1 ~l t::~;: gm i(;J r,)j SYSTEH: Engineered Safeguards (M-204)
VALVE: 3239ES, 3240ES CATEGORY: C CLASS: 2 ~,~) ~1 ~uu~ t~ ~] ~~
FUNCTION: Prevent backflow of containment sump water into the SIRH tank when SIS is in the recirculate mode (containment pressurized) while providing a flow path from the SIRW tank to the ESS pump suctions for safety injection flow. ~
TEST REQUIREMENT: Exercise quarterly (full stroke).
BASIS FOR RELIEF: Full stroke exercising these valves with flow is not possible during any plant condition except a LOCA because it would re-quire the use of the containment spray system along with one low pressure safety injection pump. Also valve disassembly and manual stroking is not practical because the valves cannot I be isolated from the water in the SIRW tank. Part stroke test-i ing can be performed at 950 gpm when inservice inspecting i containment spray pumps.
I ALTERNATIVE TESTING: Part stroke quarterly .
- SYSTEM: Engineered Safeguards (M-204)
VALVE: 3183ES, 3186ES, 3177ES, 3171ES, 3168ES CATEGORY: C CLASS: 2 FUNCTION: Prevent backflow through the HPSI pumps while providing flow paths for HPSI through the individual pumps.
TEST REQUIREMENT: Exercise quarterly.
BASIS FOR RELIEF: During hot plant conditions the HPSI pumps will not develop sufficient head to overcome PCS pressure. Below a pressure of 1400 psi, Tech Specs require that the HPSI pumps be disabled by removing their breaker control fuses to prevent possible PCS overpressurization. For 3186ES, 3177ES and 3171ES the only plant condition in which these valves can be tested is during a refuel-ing outage with the reactor vessel head removed. Valves 3168ES and 3183ES can be part stroke tested during plant operation.
ALTERNATIVE TESTING: Full stroke exercise during refueling outages. Part stroke exercise 3168ES and 3i83ES quarterly, but not nece?sari]J more. frequently th~n once each quarter.
l
. l EM-09-02 RELIEF REQUEST BASIS Page 55 Rev -1.o
- t/l5/82 SYSTEM: Engineered Safeguards (M-204) r.:. *,*."!-= ...
VALVE: 3201ES, 3192ES :,* .. :~ .
CATEGORY: C CLASS: 2 FUNCTION: Prevent backflow through the LPSI pumps while providing flow paths for LPSI and shutdown cooling through the individual pumps .
TEST REQUIREJ.'1ENT: Exercise quarterly.
BASIS FOR RELIEF: During hot plant conditions the LPSI pumps will not develop sufficient head to overcome PCS pressure. When the plant is cold, however, these valves can be full stroke tested. Part stro.ke testing is not prudent during plant operation because it results in pressurizing piping up to CV-3001 and CV-3002 (see discussion for 3226ES and 3216ES). Part stroke testing is possible when the plant is in .cold shutdown, with shutdown cooling in service.
ALTERNATIVE TESTING: Full stroke exercise each cold shutdown but not necessarily more frequently than once each quarter.
SYSTEM: Engineered Safeguards (M-204)
VALVE: 3208ES, 3230ES, and 3220 ES CATEGORY: C CLASS: 2 FUNCTION: Prevent backflow of water through the containment spray pumps while providing flow paths of containment spray water through individual pumps.
TEST REQUIREMENT: Exercise quarterly.
BASIS FOR RELIEF: Full flow testing these valves can never be performed through normal flow paths because it would result in the spraying of contain-ment. Alternate flow paths exist, but they cannot be used during normal op-eration for full or part stroke testing because of the potential for spraying conta~nrnent (see relief request for 3226ES, 3216ES). Full flow testing is possible during cold shutdown.
ALTERNATIVE TESTING: Full stroke exercise each cold shutdown, but not necessarily mqre frequently than once each quarter.
EM-09-02 RELIEF REQUEST BASIS Page 56 Rev 10 7/15/:fS2*.
SYS TEN: Engineered Safeguards (M-204)
VALVE: CV-3027, CV-3056 CATEGORY: B CLASS: 2 FUNCTION: SIRW Tank Minimum TEST REQUIREMENT: Exercise quarterly.*
BASIS FOR RELIEF: 'CV,,_.302'7~:aB.d CV-3056, their failure in the closed position during a test would reduce the capability of"the safety injection System, by eliminating the minimum flow path
- for High Pressure and Low pressure pumps.
ALTERNATIVE TESTING: Exercise each cold shutdown, but not necessarily more frequently than once each quarter .
- SYSTEM:
VALVE:
Main Steam (M-205)
CATEGORY:
CV-0501, CV-0510 BC CLASS: 2 FUNCTION: Shut on steam generator low pressure from a MSLB to limit the PCS cooldown rate and the resultant reactivity insertion. Technical Specifications specify a maximum closing time of 5 seconds.
TEST REQUIREMENT: Exercise quarterly.
BASIS FOR RELIEF: These valves cannot be exercised during normal plant operation because it would result in a reactor trip. They may be exercised during cold or hot shutdown conditions.
ALTERNATIVE TESTING: Exercise each hot or cold shutdown, but not necessarily more frequently than once each quarter.
EM-09-02 Page .57 RELIEF REQUEST BASIS Rev lO 7/15/82 SYSTEM: Auxiliary Feedwater System VALVE: 0703FW, 0704FW, 074lFW, 0743FW CATEGORY: C CLASS: 3 FUNCTION: Prevent backflow through the auxiliary feed pumps while pro-viding flow path for auxiliary feed through the individual pumps.
TEST REQUIREMENTS: Exercise quarterly.
BASIS FOR RELIEF:
ALTERNATIVE TESTING:
SYSTEM: Service Water (M-208)
VALVE: C,V-0823, CV-0826 CATEGORY: B CLASS: 3 FUNCTION: Service water discharge from component cooling heat exchanger.
TEST REQUIREMENT: Exercise quarterly.
BASIS FOR RELIEF: During operation, exercising of these valves would cause a thermo-shock to heat exchangers E-54A and E-54B.
ALTERNATIVE TESTING: Exercise valves to position required to fulfill their safety function each cold shutdown, but not necessarily more frequently than once each quarter .
EM-09-02 RELIEF REQUEST BASIS Page 58 Rev 10
- 7/15/82
- SYSTEM: Component Cooling (M-209)
VALVE: CV-0910, 0910CC, CV-0911, CV-0940 CATEGORY: A,AC CLASS: 2 FUNCTION: Containment isolation valves for component cooling supply and return from containment.
TEST REQUIREMENT: Exercise quarterly, leak test each refueling outage.
BASIS FOR RELIEF: These valves cannot be exercised in any hot plant mode because the resulting loss of cooling water flow to the primary coolant pumps would cause seal failures.
ALTERNATIVE TESTING: Exercise during cold shutdowns but not necessarily more frequently than once each quarter. Leak test each refueling outage.
SYSTEM: Component Cooling (M-209)
VALVE: CV-0945, CV-0946 CATEGORY: B CLASS: 3 FUNCTION: Component cooling water inlet to component cooling heat exchanger.
TEST REQUIREMENT: Exercise quarterly.
BASIS FOR RELIEF: During operation, exercising of CV-0945 or CV-0946 would cause a thermo-shock to heat exchangers E-54A, E-54B, E-60A and E-60B.
ALTERNATIVE TESTING: Exercise valves to position required to fulfill their safety function each cold shutdown, but not necessarily
- more frequently than once each quarter.
.* EM-09-02 RELIEF REQUEST BASIS Page 59 Rev 10 7/15/&2 SYSTEM: Service Air (M-212)
VALVE: 122CAS, 2"-263 CATEGORY: AE, AC CLASS: 2 FUNCTION: Containment isolation valves for Service Air.
TEST REQUIREMENT: Exercise quarterly, leak test each refueling outage.
BASIS FOR RELIEF: During power operation, these valves are normally closed.
The requirement for exercising is not warranted and was artificially created because the valves are in Category A.
ALTERNATIVE TESTING: Leak test only during each refueling outage.
SYSTEM:
VALVE:
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CATEGORY: CLASS:
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FUNCTION: =- V".' .. . .. ..,_**.._._,_*\*.'-*'.
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TEST REQUIREMENT:
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BASIS FOR RELIEF:
ALTERNATIVE TESTING:
E~f-09-02 RELIEF REQUEST BASIS Page 60 Rev 10 7/15/82*
SYSTEM: Plant Heating System (M-215)
VALVE: CV-1501, CV-1502, CV-1503, 4"-257 CATEGORY: AE ~ AC CLASS: 2 FUNCTION: Containment isolation valves for heating steam and condensate return to containment.
TEST REQUIREMENT: Exercise quarterly. Leak test each refueling outage.
BASIS FOR RELIEF: During plant operation, condensate return valves CV-1501 and CV-1502 are normally closed and the steam supply line is blank-flanged. The requirement for exercising these valves was artificially created because valves are in Category A.
ALTERNATIVE TESTING: Leak test CV-1501 and CV-1502 only during each refueling outage .
- SYSTEM:
VALVE:
CATEGORY: CLASS:
FUNCTION:
TEST REQUIREMENT:
BASIS FOR RELIEF:
ALTERNATIVE TESTING:
EM-09-02 RELIEF REQUEST BASIS Page 6l Rev lO 7/l5/82
~* SYSTEM: HVAC (M-218)
VALVE: CV-1803, CV-1805, CV-1806, CV-1807, CV-1808, CV-1813, CV-1814 CATEGORY: AE CLASS: 2 FUNCTION: Containment isolation valves for containment purge lines .
TEST REQUIREMENT: Exercise quarterly. Leak test each refueling outage.
BASIS FOR RELIEF: During hot plant conditions, these valves are normally closed. The requirement for exercising these valves was artificially created because valves are in Category A.
ALTERNATIVE TESTING: Leak test only each refueling outage .
- SYSTEM: HVAC (M-218)
VALVE: 4"-N29M2DR (2)
CATEGORY: AE CLASS: 2 FUNCTION: Containment isolation valves for containment purge exhaust bypass.
TEST REQUIREMENT: Exercise quarterly. Leak test each refueling outage.
BASIS FOR RELIEF: During hot plant conditions, these valves are normally closed. The requirement for exercising these valves was artificially created because valves are in Category A.
ALTERNATIVE TESTING: Leak test only each refueling outage .
]
r** EM-09-02 RELIEF REQUEST BASIS Page 62
- Rev ;fo
> 7/15/82
- SYSTEM' Spent Fuel Pool Cooling (M-221)
VALVE: 0117SFP, 0118SFP, 0120SFP, 0121SFP CATEGORY: AE CLASS: 2 FUNCTION: Containment isolation valves for reactor cavity fill and drain lines.
TEST REQUIREMENT: Exercise quarterly, leak test each refueling outage.
BASIS FOR RELIEF: During plant operation, these valves are normally closed. The requirement for exercising these valves was artificially created because they are in Category A.
ALTERNATIVE TESTING:
SYSTEM:
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VALVE: .
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' ._,...:;. ;~ ...
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CATEGORY: CLASS:
FUNCTION:
TEST REQUIREMENT:
BASIS FOR RELIEF:
ALTERNATIVE TESTING:
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EM-09-02 r RELIEF REQUEST BASIS Page 63 Rev 10
.7/15/02 SYSTEM: Miscellaneous Gas Supply Systems (M-222)
VALVE: CV-1358, l"-223 CATEGORY: A, AC CLASS: 2 FUNCTION: Containment isolation valves for nitrogen supply to containment.
TEST REQUIREMENT: Exercise quarterly, leak test each refueling outage.
BASIS FOR RELIEF: During plant operation, these valves are normally closed. The requirement for exercising these valves was artificially created because they are in Category A.
ALTERNATIVE TESTING: Leak test only during each refueling outage .
- SYSTEM:
VALVE:
CATEGORY: CLASS:
FUNCTION:
TEST REQUIREMENT:
BASIS FOR RELIEF:
ALTERNATIVE TESTING:
EM-09-02 RELIEF REQUEST BASIS Page 64 Rev lO 7/15/82
- ' SYSTEM: Gas Analyzing Systems (M-224)
VALVE: 142 VAS, 141 VAS CATEGORY: A CLASS: 2 FUNCTION: Containment isolation valves for containment building atmosphere sample lines.
TEST REQUIREMENT: Exercise quarterly, leak test each refueling outage.
BASIS FOR RELIEF: These valves are normally closed during all plant modes. The requirement for exercising these valves was artificially created because valves are in Category A.
ALTERNATIVE TESTING: Leak test only each refueling outage.
SYSTEM:
VALVE:
CATEGORY: CLASS:
FUNCTION:
TEST REQUIREMENT:
BASIS FOR RELIEF:
ALTERNATIVE TESTING:
EM-09-02 RELIEF REQUEST BASIS Page 65 Rev 1:0 7 /15/82
. . *'. SYSTEM:* High Pressure Air - ILRT Penetration VALVE: P-1, P-2, P-3, 604VA, ~OSVA, 603VA, 601VA, L-6VA CATEGORY: AE CLASS: 2 FUNCTION: Containment isolation valves for ILRT penetration .
TEST REQUIREHENT: Exercise quarterly, leak test each refueling outage.
BASIS FOR RELIEF: These manual valves are closed during plant operation.
The requirement for exercising these valves was arti-ficially created because they are in Category A.
ALTERNATIVE TESTING: Leak test only during each refueling outage.
- SYSTEM:
VALVE:
CATEGORY: CLASS:
FUNCTION:
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~
TEST REQUIREMENT:
BASIS FOR RELIEF:
ALTERNATIVE TESTING:
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