ML19310C571

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Temporary Change Notice 0-1 to Rev 0 to Procedure 2PE-211-02, Loss of Cooling Water to Bingham Circulation Pump Mechanical Seal Demonstration Test at Alamitos Unit 3
ML19310C571
Person / Time
Site: San Onofre  Southern California Edison icon.png
Issue date: 04/01/1985
From:
SOUTHERN CALIFORNIA EDISON CO.
To:
Shared Package
ML19310C572 List:
References
2PE-211-02, 2PE-211-2, NUDOCS 8912290001
Download: ML19310C571 (44)
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Text

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2. PROCEDURE NUMBER /REVillON
3. TCN NO.

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2. PROCEDURE NUMSER/ REVISION
3. TCN NO.

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4. REASON FOR TCN SCOPE / INTENT CH ANGE NON 800PE INTENT CHANGE D I

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8. CHANGL REQUIRED I TNRO'44 N 'fI l)

PFLETE Fk4d N N()AMD y c,,oe<rs%,w,we w. m.um % (cuuses nom rm5 Teu Aer weTrp iu tt+r u44c A.3s,) j I i I B. ENTERED IN P. SY i i PRFPARED BY <wW lOf5 lff$~~ $'N$( l siGNAtimt Datt siGNAYDat D At t ~ S. RATIONALE FOR NON SCOPE / INTENT CHANGE C DOES NOT ALTER TECHNICAL CONTENT OF THE OB.Ilt flVES OR ACCEPTANCE C O l l l DATE SCE SHIFT TEST ENGINEER INTERIM APPROVAL DATE SCE ATCH ENGINEEfi M b. /O-3/ 6f TWG MEETING DATE TWG CH AIRM AN/PROJ SU ENGRG MGR ~ ~ /I l e"N FINAL APPROVAL w SCE QA E EE4TATION SUPT p DSGN ORG REP DATE $b m 0FFICIAL TEST C0FY

SCC SMU-?k9/O i i JAut sq v3 o 1%~V ofkan-c.;2/s j 7tN c 5 4c.c Je4 VA LOSS OF COOLING WATER 70 A B!WGHAM B0!LER j CIRCULATION PUMP MECHANICAL SHAFT SEAL DEMONSTRATION i TEST AT ALAMITOS UNIT 3 (PLMP OPEPATING) PROCEDURE 2PE-211-02, REY., 0 i TABLE OF COWTENTS PAGE l $ECTION i Ala l 1.0 OBJECTIVES 41a 2.0 ACCEPTANCE CRITERIA f 414

3.0 REFERENCES

41c A.0 PPERE00!$1TES old 5.0 LIMITS AND PRECAUTIONS 41g 6.0 TEST E0V!PMENT f 41h i 7.0 !HITIAL CONDITIONS I 41h 8.0 PROCEDURE AND DATA COLLECTION j Alb 8.) Thirty (30) Day Boiler Circulating Pump Shaft Seal Steady-state Data Collection 41j P.2 Steady-state Baseline Data 411 P.3 Two-minute loss of Cooling Water to Boiler Circulating I Pump Shaft Seal 411 I 8.4 Five-minute Loss of Cooling Water to Boiler Circulating Pump Shaft Seal i 41m i Ten-minute Loss of Cooling Water to Boiler Circulating 8.5 Pump Shaf t Seal l 41m Thirty-minute loss of Cooling Water to Boiler Circulating 8.6 Pump Shaft Seal Flush Heat Exchanger with Pump Operating j l I. 2PE-211-02 Rev. 0 f Page iin of iii $0NGS 2

  • SCE PROPRIETARY MATERIAL" West page is fii 8FflCIAL TEST COPY

&&SPSu799/0 i Swer yg.L$ 'Y / N w eca/c vf Al o a. W #f LOSS OF COOLING WATER TO A BINGHAM BOILER 4 CIRCULATION PUMP MECHANICAL $ HAFT SEAL DEWJNSTRATION TEST AT ALAMITOS UNIT 3 (PLRiP OPERATING) ) PROCEDURE 2PE-211-02, REY. 0 i TABLE OF CONTENT $ (Continued) PAGE SECTION dir I P.0 SYSTEM RESTOP.AT!0H 41s i 10.0 ATTACHMENTS dit r ! - Instrument List and Data Sheet f albb Attachment ? - Boiler Circulation Pump P4!D 41ee - Valve Lineup List 4111 - Loss of Cooling Water to Pump Shaft Seal Temperature Transient Test Curve j 41jj ' - Thirty (30) Day Test Data Sheets 41kk - Equipment Data Sheets 4111 - Minimum Transient Test Ramp ~ 4 i 1 t 2PE-211-02 Rev. O Page iiis of iii SONGS 2 "$CE PROPRIETARY MATERIAL" Next page is 1 0025PE O'rTICIAL TEST COP'l e r ... _... ~ ~ _,,,,... _. ___o .-~. -

i OCD Srse If)pg d M 5 f *7 kb-)" //E wit c3/b 77N C + U Vt/ W ~- 3 1.0 OPJECT!YES J The object of this test is to satisfactority demonstrate 1 that a Pingham Williamette Palanced Stator Multi-stage i mechanical sNft seal (model BV450B). installed in an Alamitos Station Unit 3 East Boiler Circulating Pump will j maintain system pressure boundary integrity during a transient that simulates an environment that a fingham i i Multi stage Seal would be subjected to while installed in a SONGS 2/3 Reactor Coolant Pump during a Loss of Corponent Cooling Water incident. NOTE i Obiective 1.1 demonstrates that there is sufficient time t available (minimum 30 minutes) following a loss of 4 cooling w(ater event to terminate the event by operatorf.e.. r l actions or shutdown the pump) and still retain system pressure boundary integrity. i To demonstrate that a Bingham-W1111amette Balanced 1.1 Stator Multi-stape mechanical shaft seal installed in Alamitos Station Unit 3 East Boiler Circulating Pump, maintains system pressure boundary integrity for a sufficient time period (>30 minutes) l TCN ; following a loss of cooling to the shaft seal. I 2.0 ACCEPTANCE CP!TERIA

2.1 Section

8.6.4.1 Criterion: Poiler Circulating pump mechanical shaft seal maintains system pressure boundary integrity for >30 minutes following a loss of cooTing to the TCt., shaft seal. I TC) ' Source: 3.3 and 3.8 3.0 PEFERENCES Alamitos Unit 3 Station Bingham-Williamette - 3.1 Insta11stien. Operation and tiaintenance Instevetion j Manual for Boiler Pecirculation Pump 18539, dated l TC May 1983 and modified spring 1984 2PE-211 0? I Rev. 0 i Page ela of Al SONGS 2 "$CE PROPRIETARY MATERI AL" Next page is 41b OUlCIAL TEST C').'y -a

Sca.SPJ u >M/O t Y /fg. y )WJp-cd/t \\ l ruo+ fy SfVV SCE design modification to existing Alamitos Boiler 1 3.P Circulation System, No. 6025. Pit, dated October 4, I TCN 2 1985 SONGS 2 and 3 utdeted FSAR Section 5.a.1, Reactor l 3.3 Coolant Purp Component Design, Revision 1 dated February 1965 i Report of test from Byron-Jackson Pump Division 3.4 Test Department for Loss of Component Cooling Water Test Reactor Coolant Pump, Report No. GS-1521, dated Perch 26, 1979 t Pingham-Willierette peactor Coolant Pump Seal Test f 3.5 Procedure (RDVP50-8-3Y Seal), 5023-922-204-0 4 1 SONGS - Reactor Coolant Purp Seal Replacements 3.6 Units 7 and 3 Specification Spec. No. 41-9312, 5023-P2?-196, dated October 4,1984 ) Letter - Bingham-Williamette Co., David L. Comings 3.7 to Southern California Edison Company, R. H. Verbeck, dated February 27, 1985 t i Letter - R. Verbeck to K. O'Connor, dated July 11, l 3.8 19PS.

Subject:

RCP Shaft Seal Alamitos Test l Acceptance Criteria l I

3. 9 Telephone Notes by J. tieldrun with Dave Cummings, I

Subject:

Required Lead-off dated June 3,1985. I Flovs Before Start of 30 Minute Alamitos Seal Test l Letter - Edward J. Hampton, O'Donnell and Assoc., l TCH, 3.10 Inc. to Hebroad Hejsti, SCC.

Subject:

Alamitos i Seal Test Recommendation, dated September 24, 1985 l 1 t I i Letter - E. J. Kreh, O'Donnell and Assoc., Inc. to I t 3.11 M. No.isti, SCE.

Subject:

Teeperature Rise vs. I Time Expected for SONGS 2 and 3 RCP during a loss l of Cooling Accident, dated October 29, 1985 l I Letter - C. K. Balog to K. E. O'Connor.

Subject:

I 3.1? PCP Shaf t Seal Test at Alamitos, dated October 30, l 1985 2PC-211 02 Rev. O Page 41b of 41 50 HGS 2 1 0FFICIAL TEST CO.'y =

SM u3 u 1M/O NM ff W Q .?/r.?// N/o } Tbv c+ 9 f# J' 4 4.0 PRERE0VISITES 4.1 MTS N/A j

4. 2 Pretest Indoctrination A pretest indoctrination meeting has been held to

-l familiarize Test and Operations personnel with this hl nl,/g INITIAL D AT L 4.3 Temporary Modifications i Modifications have been made to the Boiler Circulating Pump System at Alamitos Unit 3 Station and reviewed to assure that the system configuration is such that its sinflarities to SONGS 2 - 3 operating environment (operating pressure and temperature) is as close as reasonably achievable. INITIAL DATE l 4.4 Boiler circulating pump has been operating at nomal operating conditions for a period of greater l TCN than two (2) hours with pump shaft seals being cooled by coolin!! water to the shaft seat flush heat exchanger with cooled filtered seal flush I supply secured, INIllAL DATL e I 4.5 All Test Instrumentation and permanent plant l instrumentation to be used during this test has l been calibrated and calibrated data entered in the I Test Procedure, verified wired correctly and l TCt l verified operational in accordance with IhlllAL DATE l-A boiler chemistry sample has been taken and 4.6 analyzed for suspended solids, conductivity and pH. ] TN;,T I AL D Al t i 2PE.211-02 i Rev. O j Page 41c of 41 SONGS 2 "$CE PROPRIETARY MATTRIAL" Next page is 41d 0FFlClAl. TEST CO 'y rr e-r ,e.~- ,n,,--- . -,, - + -, - -, - - - - - -., - - - -, - e a e,-. ,-m-n

~ _ _ _ _ _ _ _. _.. Sea..tMu V9/e i JAuf f 9 +'S YtR l pe n caA pre o A. I $ W 7*/'/A-l l No evidence of leakage is present across the boiler circulating Pump vapor seal. M8/ "AhrtlTCN2 4.7 2 INIT I AL DATL l l Poiler circulating Pump shaft vibration is l 4,P 8.8 mils peak to peak prior to start of 30 minute l TCN 2 i Transient Test. 2dj /plbri i INITIAL DATE l The second Plant Bearing Cooling Water Pump is in i i 4.P service to support cooling w)ater requimments for l heat exchangers HX1 (40 ppm HX2 (40 ppm), l TCN 2 HX3 ( 70 ppm) and NX4 (120 ppm). Ydlofw4 INITIAL DATL l I Seal outflow leakage is less than or equal to i. i e.10 2.25 ppm prior to start of 30 minute Transient i TCN Test. (Measured at F1 or F7 on Attachment 2.) W lobk1 INIT J AL PAIL l i 5.0 LIMITS AND PRECAUTIONS During the perfomance of this test temperature, ~ r 5.1 pressure, flow and vibration instruments associated with detemining seal perfomance will be monitored i as mouired. Womal pump and shaft seal perfomance base line 5.2 data values will be detemined prior to inflicting l any transients upon the systems involved in this I test. l I Abnomal pump shaft seal operation will be 5.3 j indicated by changes in shaft vibration, seal outflow. seal external leakage, seal temperatures, i and seal staging pressures, also unusual noise or a burst of steam will be concern for possible aborting of the test. (See Attachment f Equipment i Data Sheet for operating parameters.) 2PE 211-02 Rev. 0 Page old of 41 $0tlRS 2 'SCE PROPRIETARY MATERIAL" t! ext page is alt i 0FFICIAL TEST COPY I e

Sc.p-J M u M 9/o l i L%< 9)f y'3 I ,%Y .?N -a 11Af I nwen .fdp' F 9' =4-

5. 4 The detemination to abort test will be a judgement

~3 decision based on safety to personnel and This decision will be made by the Test i equipment. Director, Prep Vendor Representative, Alamitos L-Station Engineering Representative or Edison Engineering Representative. I At the conclusion of thirty (30) minutes of I 5.5 operation without shaft seal cooling in step P.6.4, 1 TCN 2. seal flush heat exchanger HXI will be cut in I L slowly, using Hk1 outlet control valve CV1, at a l rate equal to approximately 25'F/ein. ( If detemined safe for personnel and equipment, the 5.6 pump motor will remain energized while pump shaft e seal temperatures are normalized. If-seal leakage I increases significantly when seal flush heat i TCN 2 l exchanger HX1 is returned to service, the pump motor will be de-enerpired and pump suction and discharge isolated. betemination to abort test will be made by the pump Vendor Representative, Test Director Alamitos Engineering Representative and Edison Engineering pepresentative.- 5.7 At the conclusion of step 8.6.13, the pump shaft i seal cartridge will be disassembled and inspected for possible damage. The degree of wear on seal faces and other points of potential wear will be recorded. Inspection of additional pump / motor l components shall be at the discretion of Edison Engineering, Alamitos Station Engineering and Pump Vendor Representative. l TCH 5.8 Deleted I. If HX2 is used during a transient to limit seal 'l TCN 5.9 flush temperature to 550*F,* seal inlet temperature should be controlled at 550 F + 15'F or as close to these conditions as possible. ~~ I Altering a valve lineup (see Attachment 3) is I 5.10 acceptable as necessary to realign seal flush l' outflow to drain tank / atmosphere and/or venting / i TCN filling / draining shaft seal flush beat 1. Altered valve lineup shall be I exchangers. recorded in test log and initialed by the Test l Director and Edison Engineering Representative. 2PE-211-02 Rev. O Page 41e of 41 I SONGS 2 l "SCE PROPRIETARY MATERIAL" Next page is 41f 0FFICIA!. TEST CO?Y I

Sc? spsu-7t 9l0 -y' af aga 0/t~a H-ca/c \\ rw oa-W f5 S i Ma.ior subsections of this procedure may be. 5.11 perfomed in any order at the discretion of the Test Director. Additionel sheets of Attachments may be utilized 5.12 These as necessary for accuisition of data. i sheets shall be attached to the procedure _ g in paginated and stamped " Official Test Copy accordance with AP-5. After conclusion 'of this test, a final test report 5.13 will be prepared and attached to this procedure. The report will include: 4 a) Chronological Log of test b) Instrument Calibration Records i c) Post-test Seal Inspection Report (pbotographs of seal faces and other seal parts as necessery) d) Report on failures or unusual conditions j i e) Chemistry Report f) Seal temperatures vs time plots g) Temperature, pressure, seal outflow and i vibration test data-h) Conclusions 5.18 At the discretion of the Test' Director, an l alternate Plant instrument or temporary instrument may be substituted for a failed Plant instrument. l Preliminary determination that the pump shaft 5.15 pressure boundary integrity is maintained, will he I based on a verification that there isn't any-I r evidence of increase lea' age passed the pump shaft 1 backup seal. This determination will be made l TC ' using seal flush outfica: flow indication F1 and I VCS flow indication F4 Further analysis, upon l disassembly and inspection following step 8.6.13, I will determine the actual condition of the shaft I seal assembly. This determination is consistent l with the guidelines presented in Reference 3.8. l 2PE-211-02 Rev. O Page a1f of 41 SONGS 2 '5"""""""*"" 0FFICIAL TEST COPY

Sc?.SPlu-719/o 1 OAud //9'gg tr{ ~ MfW/-0h Trn) 0.1 A ' N y' YL 9 6.0 TEST EOUIPMENT Temporary instrumentation is subject to alteration and/or. sut.:titution at the discretion of the Test Director. Every attempt will be made to provide equivalent l instramentation in the event of a change. Any change wil'. be recorded in the Test Log. l. At the discretion of the Test Director, additional temperature / pressure / vibration sensors may be added to i Any additional monitor various system parameters. parameters monitored will be recorded in the Test Log. i Temporary instrumentation should be instelled in accordance with step 8.2.1 of this procedure. If spaces for instrument infomation and calibration dates are not available below, add blanks and record data If additional instruments are used, tycord accordingly. identifying information and calibration data in Procedure Any unused blanks in this section should be Test Log. 1 marked N/A, Range values in 6.1.1 and 6.1.3 are recommended values. Test instruments should cover ranges l indicated on Attachment 1. 6.1 Sensors l l 6.1.1 Surface Thermocouples Typ: Make: f 1 TCN Range: Accuracy: Ca1. Due Date: 1 TD Number: I Contact Compound (for Surface Themocouples) 6.1. 2 Type: 6.1. 3 Pressure Transducers: Make: Model: l TC-Range: Accuracy: Cal. Due Date: Number: l 2PE-211-02 Rev. O Page alg of 41 SONGS 2. "SCE PROPRIETARY MATERIAL" Wext page is 4lh 0FFICIAL TCT CC.~y

m thf #9 K9 y' ~ Y J/Tw/-w/c reeca ' h t //tj YD 6.2 Pecording Instrumentation I 6.2.1 Recorders 1 Make: ~ ] Model: Channels: Accuracy: Cal. Due Date: Number: ~

6. 2. 2 Data Loggers i

Make: Model: Channels: Accuracy: Cal. Due Date: Number: J 6.3 Stop Watch Type: Accuracy: Cal. Due Date: 7.0 INITIAL CONDITIONS NOTE I All recuired initial conditions will be established per f applicable steps in Eection 8.1 and 8.2 of this procedure. 8.0 PROCEDURE AND DATA COLLECTION Thirty (30) day boiler circulating pump shaft seal P.1 steady state data collection. NOTES During Plant operations with boiler circulating-pump shaft seals being cooled by the Shaft Seal Flush Heat Exchanger and cooled filtered seal flush secured, data collection, per Attachment 5, should be taken for a period up to thirty (30) days prior I to commencement of Transient Test performed per lT step 8.6 of this procedure. 2PE-211-02 Rev. 0-Page 41h of 41 l SONCS 2 i "SCE PROPRIETARY MATERIAL" Next page is 411 0FFICmL TEST CC?Y

o e7*dN M* Mk 6 l r a< up,w g NP.7/> ta/s /TN 0;L - W# V W A Poiler Chemistry Sample should he taken on a 1 weekly basis during 30 day test and analyzed for suspended solids, conductivity and pH. Record Chtmistry results in the Test Lop.. Thirty (30) day data collection is for infomation only and may, at the discretion of the Test Director or Edison Engineering Pepresentative, be omitted. If not perfomed, indicate N/A for each applicable step. 8.1.1 Initial valve lineup is in accordance with l TCN i Attachrent 3. INITIAL DAT E j M Use of temporary instrumentation listed in ' is optional during the thirty (30) day test. Use of temporary instrumentation shall be documented in the Test Log with calibration data recorded accordingly in Section 6.0 of this procedure. 8.1.2 Instruments listed in Attachment 1 and designated pemanent Plant instrumentation have been-verified operational (see Attachment 2 for-location of instruments). INITIAL DATE I 8.1. 2 Record Boiler Circulating System operating temperature and pressure. PLANT PAPA"ETER INSTP a F System Temperature psi 9 gj Systen Pressure l I INITI AL DATL i l l l 2PE-211 02 Rev. O Page 411 of 41' $0 HGS 2 "SCE PROPRIETARY MATERIAL" Next page is '413 0FFICIAL T2:7 c.~/ l

Sea.SMid-719h \\ J6< Ngy.j Y) .9N.)u-o.a./h ^ TE N O.3- & /3 g % Boiler circulating pump is operating with 8.1. 4 mechanical shaft seals being cooled by Shaft Seal Flush Heat Exchanger cooling water with cooled filtered seal flush secured. INIll AL DAT L I 8.1. 5 Record shaft seal outflow. I Shaft Seal Outflow (F1) gym 1 TCN (1.5 g outflow g 2.25 gpm) INIllAL DATL l Pecord pump shaft seal staging pressures (P2 1 TCK l 8.1. 6 should be approximately one-third of P1). 2 Staging Pressures .1 TCl. P1 psig i TCl '. P2 psig INIll AL D ATL Record data on-a once per shift basis in 8.1. 7 accordance with Attachment 5. INITIAL D AT L - 8.2 Steady-state Base Line Data

':rify instrumentation listed in Attachment 1 is 8.2.1

. installed, wired up to its respective recording device calibrated and verified operational (see J for location of instruments). / 9 INIT I AL DAIL Initial valve line-up is in accordance with I1 8.2.2. / l INIT I AL DATL l 2PE-211-02 Rev. O Page 41j of 41 SONGS 2 Next page is 41k "SCE PROPRIETARY MATERI AL" 0FFICIAL TE7 ccpy . - -. - - - - + -

~ _. - s.fkt/scf49 1 Y .;WJn-cak e 7ra o.a. & N'5W j i Boiler Circulating System operating pressure I 8.2.3 should be adjusted by the boiler master set l p(ressure to simulate SONGS conditions 2250 psig + 50 l TCN 2 I achievable.~ Normal Boiler Circulating System l operating temperature and pressure is l Record approximately 670*F and 2500 psig. I operating parameters. PLANT PARAwETER INSTR f 'F-System Temperature psig System Pressure 1 TCN 2 - (2250 psig +,50 psig) / INITIAL DATE l NOTE l l Normal Boiler Circulating System operating-l TCN temperature is approximately 670*F. Seal flush 'l for this test will be controlled at 1 1 inlet temp'F by seal flush heat exchanger HX2 to I l 550'F + 15 simulate SONGS conditions. Boiler circulating pump is operating with 8.2.4 mechanical ~ shaft seals being cooled by Shaft Seal Flush Heat Exchanger cooling water with cooled filtered seal flush secured. l l INITIAL D AT L i Obtain a boiler chemistry sample and have it 8.2.4.1 analyzed for suspended solids, conductivity and pH. / INITI AL DATt 8.2.5 Record shaft seal outflow. I Shaft Seal Outflow (F1) gpm I TC (1.5 < outflow g 2.25 gpm) / lHITIAL DATL 2PE-211-02 Pev. O Page 41k of 41 SONGS 2 'SCE PROPRIETARY MATERIAL" Next page is 411 0FFIC!M. TCT CC,~y .-. L

Sca.Jnu ?n/a l JAuf /4 $+'3 0 2l'e' A// Culp 7tvca /tp / S pf 9'k i Record pump shaft seal staging pressures (P2 l TCt1 2 8.2.6 should be approximately one-third of P1). i Staging Pressures l~TCN 2 P1 osig i l TCW 2 ' P2 psig / INITIAL D AIL NOTES Steady-state baseline data shall be determined prior to inflicting any transients upon systems involved in this test. Some parameters will be recorded continuously on ( strip chart tycorders. I Start recording perameters in Attachment 1 at 8.2.7 < thirty (30) second intervals for two (2) hours. / ~ INITIAL DATL 8.2.8 Record on Attachment 1 the average baseline data values after two (2) hours. / INIT I AL D AT L NOTES Abnormal pump shaft seal operation will be indicated by changes in shaft vibration, seal outflow, seal external leakage, seal temperatures and seal staging pressures, also-unusual noise or l a burst of steam will be concern for possible aborting of the test. The determination to abort test will be a judgement decision based on safety to personnel and equipment. This decision will be made by the Test Director, Alamitos Station Engineering Representative or Edison Engineering Representative. l TC 8.3 Deleted I T( 8.4 Deleted 2PE-211-02 Rev. 0 Page 411 of A1 SONGS 2 "SCE PROPRIETARY MATERI AL" Next page is Alm 0FFICIAL EST CCf r

. SM-Spa ul'769/D ) sfAar< / 776 l kI'\\04

  • PW9 ll-cJl i

7?N N-fop /4 7 99-l TCW 2 : l 8.5 Deleted I Thirty-minute loss of Cooling Water to Boiler 8.6 Circulating Pump Shaft Seal Flush Heat Exchanger With Pump Operating l Start recording parameters in Attachment 1 at 8.6.1 ten (10) second intervals. I IN Il l AL DAIL 8.6.1.1 Pecord applicable date on Attachment 1. / INIII AL D AT E l-l Monitor VCS packing cooling water flow / volume i L

8. 6.1. ?

at F8 to detemine rate / volume of packing I cooling water supply during 30-minute trar.sient. /* I INITIAL DATL l I i Collect and measure VCS packing cooling water I

8. 6.1. 3 drainage to detemine rate and volume collected I

during 30-minute transient. / I INITIAL DATL l l I Secure cooling to boiler circulating pump shaft iTCN 8.6.2 seal flush for thirty (30) minutes by perfoming l the following: I I EW l ~ I The rate which HX2 inlet valve is opened will detemino the seal flush heatup rate at T8 (seal 1 flush inlet temperature). Care is required to maintain a heatup rate consistent with 1 I 4 d 2PE-211-02 Rev. 0 Page 41m of 41 Ex*tpigeis41r S 0FFICIAL TEST COPY . set p,opait13,y n,1 taint-J

sc,p-h*3u ??9/c JXwr /f 9c l lY avf git-c.plo 7ra 04- ,Ayc /'/ 9 M2-- l l + Slowly open HX2 inlet valve X1, establishing's l 8.6.2.1 seal flush inlet temperature (T8) heatup rate consistent with Attachment 7.. Record time XI is started open (this is the start of the 1 transient) and the time X1 becomes fully open. 1 l Time X1 started open I i Time X1 fully open / l i INITIAL DATL l 1 I NOTE I l l When X1 is full open, seal flush inlet-I temperature heatup rate will begin to decrease. Care is required during the I transition between XI full open and the start l-of closing HX1 seal flush outlet control I i j valve CV1. It may be necessary to close CVI 1 faster at first in order to maintain heatup I rate. l TCN i Throttle close as necessary HX1 control valve 1-8.6.2.2 CV1 to maintain seal flush inlet temp. (T8) I heatup rate. / I IN111AL DATL l I I Continue closing CV1 until fully closed or seal l 1 8.6.2.3 flush inlet temperature (T8)- reaches 550*F + 1 15'F. / I INlll AL DATL I I l NOTE 1-l In the following step, it may not be possible l l l to maintain seal flush temperature (TB) less I If not possible, maintain 78 inlet l than 565'F. temperature as close as reasonably achievable i to 550'F + 15'F by utilizing HX1 outlet control I valve CV17 l 2PE-211-0? Rev. 0 Page 41n of 41-SONGS 2 0FFICIAL TJ07 00?Y ,.--g-* ,,.,,.-,,,e,m,.g,- ,n -.g m,,,--,. y,,.y w g -i-e w g.,,,t- -e-w 9 y

Su-3PS 6f-789/c SAuf I9cf gy l-YAn0+ sw9 ti ca)l t l 7CN (9 FW W$WM l Monitor Vapor Collection System (VCS) Pressure l i 8.6.2.4 If pressure l at PS (see Attachment 2). increases (this will be evidence of vapor seal l i When water leakage) watch solenoid valve X16. L l starts flowing from X16, perfom the following: l l a) Close X16 1 l Monitor VCS flow F4 to collection tank for I b) remaining portion of 30-minute transient. l-c) Ponitor load cell LC1 on collection tank r for remaining portion of 30-minute transient. / I INIT I AL DATL I TCHi I l Nnitor lower seal inlet temperature (T8) and I 8.6.3 seal outflow temperature (T15). Maintain seal I flush lower seal inlet temp. (T8) at 550*F by I throttling HX2 cooling water flow control i valve CV2 as necessary to limit and control 'T8 I temperature at 550*F + 15'F. Record the highest I temperature experienc~ed at T8 and T15. i l 'F Highest T8 temp. I i I I Highest T15 temp. / I

  • F l

INITIAL DATL-l l NOTE' Preliminary detemination that the pump shaft pressure boundary integrity is maintained will be 1 based on verification that there isn't evidence l i of increase leakage passed the pump shaft backup e lT This determination will be made using seal I seal. flush outflow flow indication F1 and VCS flow l-4 Further analycis, upon indication F4 disassembly and inspection following step 8.6.13, will detemine the actual. condition of the shaft seal assembly. 2PE-211-02 Rev. O I Page 41o of 41' We t page is 41 p. sCE PROPRIETARY MATERIAL" l OFFlc.Al TEST COPY ,,,,--.e. n.

Soa JAfu ?t9fo - 1 OAuf =2 C '{C '\\ kl T\\b'Y . 2M.)ll-ta) 7N % Pas M ff # - I Af ter thirty (30) minutes has passed since time iTCN:l 8.6.4 recorded in step 8.6.2.1, record time end .l l j' complete applicable section of Attachment 1. 1 Time: l INITIAL DAit I CAUTION l l ANY VISUAL INSPECTION NEAR THE PUMP SHOULO PE l TCN PERFORMEl' FROM A SAFE DISTANCE USING OP71 CAL I l AIDS, IF NECESSARY. 4 l Verify that the pump shaft seal maintained 1 J 8.6.4.1 system pressure boundary integrity by l determining that shaft seal leakage (seal l l outflow flow and VCS flow) did not increase 1TCNl following the 30 minute loss of cooling to the l pump shaft seal transient. I i l Increase in leakage yes no i l ACCEPTANCE CRITERIA i Boiler Circulating pump shaft seal maintains f' system pressure boundary integrity for j >30 minutes following a loss of cooling water I TC) ; ~ To the pump shaf t seal. / INITIAL DATL NOTE If determined safe for personnel and equipment, the pump motor will remain energized while pump temperatures are normalized. If seal leakage ii l increases significantly when HX1 is returned to i T( l service, the pump motor will be de-energized and pump suction and discharge isolated. B.6.5 Begin decreasing seal flush inlet temperature in the following manner: d 1 4 2PE-211-02 Rev. O Page 41p cf 41 SONGS 2 ' '" 'R * ' * *' 0FFIC!N. TEST C0?y

30;Jt.d a/1 Y~> J J ,2/79//-N[ 779 4 f%pe oc ef% I i Slowly open seal flush HX1 outlet control valve l 1 8.6.5.1 CV1 until full open to' normalize lower seal i TCN 2 flush inlet temperature (T8). Limit rate of l lower seal flush inlet temperature (T8) 1 / decrease to approximately 25'F/ min.- l INITIAL DATE ] l I Slowly close seal flush heat exchanger HX2 l TCN i ; 8.6.5.2 inlet valve X1, maintaining a 25'F/ min. l i cooldown rate at T8. / INITIAL DAT L l Verify seal flush inlet temperature (T8) is 1 TCH 8.6.6 nomalized. (T8 = approximately 115'F + 15'F). / INIT I AL DATL 1 TCH 8.6.7 Deleted l TCN

  • 8.6.8 Deleted l TCN Record applicable data on Attachment 1.

8.6.9 INIT I AL D AT L. i 1 TCN ' A.6.10 Deleted i TCN ' 8.6.11 Deleted 8.6.12 Stop data collection established in step 8.6.1. / INITIAL D Ai t -t r 8.6.13 Secure / verify secured boiler circulating pump i and isolate pump suction and discharge in 4 accordance with Station Operating practices. / INIll AL D AT L a l i 2PE-211 ; Rev. 0 Page 41Q of 41 SONGS 2 "SCE PROPRIETARY MATERIAL" Next page is 41r OFFICIAL. TEST COPY

J hp-Sf1t/~*?S % -- i Olut22f)y'3 r\\b-P OffY//-o.;Llp 7CA),0&L S y J / f %*L NOTE At the conclusion of step 8.6.13, the seal cartridge will he disassembled and inspected for-i The degree of wear on seal possib1e damage. faces and other points of potential wear will be recorded. Inspection of additional pump / motor ? components shall be at the discretion of Edison Engineering, Alaritos Station Engineering and Pump Vendor Representative. 4 9.0 SYSTEM RESTORATION v Temporary instrumentation installed per step 8.2.1 9.1 of this procedure has been removed. / f INITIAL DA1L I l Obtain a post test chemistry sample of seal outflow I

9. 2 to determine any intrusion from heat exchanger i TCN Obtain report on the chemistry I

cooling water. samples taken in steps 4.6, 8.1 and 8.2.4.1 and attach to this procedum. / INITI AL DATE I l Perform $dro as necessary on HX3 and HX4 following l TCN! 9.3 Transient Test to determine integrity. / INIT I AL DATE l If PSV2 (on motor stand housing) failed open after I 9.4 an activation during test, review-data for l TC? ' pressures P7 and PB. Perfom calculations to l explain test results. Perform a post-test air test I j of the same pressure to determine the flow area, if necessary. / i IhlTIAL DATE d 2PE-211-02 Rev. O Page 41r of 41 SONGS 2 "SCE PROPRIETARY MATERI AL" Next page is 415 OmCIAL TEST COPY

~ S02-1Psu-7/9/o. & ?S g +'3 ; kt\\0W =?ff-du-ca/s l nu ca. t D a Qi 't'9 - l TCH.' Infom the SCE Alamitos Station Engineering 9.5 representative the test has been completed and that J the system (s) affected by this test may be lined up. and placed in service in accordance with Station Operating practices or as necessary to support Plant conditions. t 1, 5CE Alamitos station Engineering Representative 5CL Test Director / INITIAL DATE [ l TC* 9.6 Test Report prepared per step S.13 of this procedure has been attached to the procedure. / INITI AL D AT L 10.0 ATTAC*ENTS . - Instrument List and Data Sheet .- - Boiler Circulation Pump P8ID l - Valve Lineup List Attachment a - Loss of Cooling Water to Pump Seal Temperature Transient Test Curve .4 - Thirty (30) Day Test Data Sheets - - Equipment Data Sheets l l l 0025PE 2PE-211-02 ~Rev. 0 - Page als of 41 SONGS 2- "SCE PROPRIETARY MATERIAL" Next page is 45 t L OFFIC!AL TEST COPY 1

OCD.h'tu-78ffi,, M N1 t'J l n?ft~op//-CJ,/o 7T'A> C.A & J 3 cf~ Ye'L - mTT AC HME!JT 1 !!JETF viD;* L1 ST m'c D Ta EWEET T-E FC". 0 J:f G F 8 "ETE:5 ARE TO EE MCvJITD8.ED DUF!!G THE TEiT -! DJ RE!TED E i FROCEDURE ETEfi. erLICAELE TEET EDU: 5' MENT ANC TE!1F DF-F i !!JETRUME e.0 0F Tnli 1. FECOFC m ~ !!JCOF'%T:CN AND CmLIERmT10N CATA IN ETEF l. IC'EN 1F,1N( IF ADDITION-L EFACE 15 NECEEE-Fi UEE CCeiDCE F r.0 C E DUR E. OF THI S A*T*Cer1ENT AC NOTE IN TEET LOG. SE C-] Cr INDICATED IN'PFOCEDV8.E ETEC 4. 0.v ;L INETR#iDKATI ON. OF ' THE TEi~ 1. IF mN.- FOA'O TO E E INOF EF-E.E. AT THE DI ECRETI ON E E.0;!. !! C !FECT0c TD15 0F-F i EDV WLENT - INETR'.e1ENTAT 0N t%Y E:E E '. E !? ! T VT ED. I F EVE STITUTE INETR'.MEtaATI O' 15 NOT eA! w-i.E tM e E W-I 'ED *T T

  • E TFE M?N!T08:NG OF *FFECTED PAC "E*EF(E)IF SUE!TITUTE INETRiriE'S ~; D' DI E CCETION OT THE TEET DIRECT 0F..

5 %.. Ei 15 US EC.' !TS IDEN* vitJG INFOEt%TI ON AND CALIERATI ON CA ~ E';TEF ED IN THE CO't1E'CE SECTI C"; 0F THIS A7ACHMD,3 #@ I;DTEC. IN THE TEET FFOCEDURE LOG. .2 TEMFEEATURE US TIME DATA FE0 VESTED Bf O'DONNELL FER REFERENCE 3.10 WILL EE GATHERED EY MOUNTIN 4 THEF*iOCOUCLEE AT LOC *TIONS DESIGNATED BY THE R INC. C%TA LOGG TH!S CATA WILL EE TFENDED USING A MOL'1TEt: 2 STEP 3.10. TEET EOUIPMEt#-IDENTIFYING & CALIERATION i 0F EDUl W LENT. INFOR!% TION WILL EE ENTERED IN THE CCMMENTE EEC if ATTmCH'1ENT AND NOTED IN THE TEET - F F00E, DURE LOG. IF ' ADDITIONAL EFmCE 15 REQUIFED IN THE COMMEN EIC ATTACHMENT ADD A NEW' Fm0E. ETmMF IT ' 0*FICisL TEET 5. NOTE THAT A FAGE WAE ADDED TO THE TEST PROCEDU AND NLMEER THE PmGE ACCORDINGLY. i 4 I 2PE-211 -02 Rev. O Page 41t o' SONGS 2 Next page OmCIAL TEST CO?Y l

~ % a?C f Yr j k 6-Y J / F -4 //-o;> [ 1 D xu ea h5 A V!f '/e*1 ATTACw1ENT 1 (CONT) INSTRUMEtn LIST AND DATA SHEET ..............................LOOP AVG E45E VERIFIED LINE IATA PER STEP VALUE! PES. S.2.1 STEP f.2.f [- TEMFESATURE Tc TYPE Tc P!D RECORDER 3 1) SE-L FLUfH H>.1 DE a) T2 MOLYTEN 1 b) SP1 READER 1 - "M# & MA2 INLET TEMP ORUSH 1-1 (450-70t'F) 1 I la) SEAL FLUSH MX1 -S-1 a) T2A MOLYTEk27 & HV.1 INLET TEMP ,,f7g (ALT) (450-700'F) 2) SEAL FLUSH HX2 DE a) T3 MOLYTEK 2 b) SP2 READER 2 g /^ddf INLET TEMP BRUSH 1-2 (450-700'F)

  • -d

) 3) SEAL FLUSH MK2 DE a) T4 McLYTEK 3 b) SP3 READER 3 ggde OUTLET TEMP . RUSH i.: (>S0-60.,F> 4) SEAL FLUSH HX1 2-S a) TSA MOLYTEM 4 b) SPil SRUSH 1-4 / f,g ! b INLET TEMP (200-700') S) SEAL FLUSH 40(1 2-S a) T6A MOLYTEK S gg/,g, b) SP4 SRUSH 1-5 l DUTLET TEMP (100-600'F) 6) SEAL INJECT!DN 2-5 a) T7A MOLYTEK.6 b) SPS BRUSH 1-6 g gg TEMP C (0-250'F) 7) LOWER SEAL FLUSH DE. a) T8 MOLYTEK 7 b) SP4 READER 4= INLET TEMP SRUSH 1-7' gg/,gN - l (100-600'F) RECORDERS -+ I \\ 7a) LOWER SEAL FLUSH 1-S a) TSA MOLYTEK20 i y INLET TEMP (ALT) (100-600'F)

9) ~ LOWER SEAL FLUSH 1-S a) TPA MOLYTEK S

\\ 8.ddsr. INLET TEMP AT CASING (100-600.F> 2PE-211 Rev. O Page 41u c; SONGS 2 Next page 0"F'M^'.' 't a" l CC ~/ '~ r r l

OCu * ( PJ U ~)fff %t.rt, q yg t Y c$$f-Jit-Dal0 7tw ea. SQ =3S ff %'L l i ATTACttiENT 1 (CONT > LOOP AVG.845E VERIFIED LINE C%im PER STEP VALUEE PEF S.2.1 STEP 6.2.6 4 TEMFERATURE Te TYPE Tc.P!D RECORDER I f) UPPER SEAL FLU $H DE a) Tit MOLYTEM F b) Spat READER S /,gjg' OLf7LET TEMP DRUSH 1-8 l (199-60t*F) fa) UPPER SEAL FLUSH 1-5 a) TitA MOLYTEK29 d#~4.- CUTLET TEMP (ALT) o.......,> it> VAPOR' SEAL FLUSH 1-5 a) T11A MOLYTEK10 b_ "l'W _ 9 6 ) II) SEAL FLUSH DE. a) T15 MOLYTEK11 b) SPS READER 6 " /'8(' OUTFLOW DRUSH.2-1 (100-600'F) ~ 11a) SEAL FLUSH 1-5 a) T15A MOLYTEK38 J. -a OUTFLOW ( ALT) o.. 6...,)

12) SEAL FLUSH OUTFLOW SE a) T16 MOLYTEK12 l

^ !' / Se F .t .I \\

13) SEAL FLUSH OUTFLOW DE a) TIS MOLYTEK13 HX3 OUTLET TEMP b) SPF READER.7 g/

T SRUSH'2-2 (50-300'F)

14) SEAL FLUSH DUTFLOW 1-S a) T19A MOLYTEK14 SACK PRES OUTLET

[J_'Id q I 3..<p3

15) 60(1 COOLING WATER 1-5 a) T191A MOLYTEK15 INLET TEMP I

(56-300'F) 1.) HX1 COOLING WATER 1-5 a) T182A MOLYTEK16 g f,,g g - OUTLET TEMP (SS-Ste'F)

17) MX2 COOLING WATER SE a) T183 MOLYTEK17 INLET TEMP

( 58 -380 ' F ) 2PE-211-02 Rev. O Page Alv of ' SONGS 2 Next page is l Off!CIAL TEST CC.'Y

SC-SPC4(-7fyf' nnm \\b" Sff*o)//~C:l r 7N o.::. &44q67 ATTACW1ENT 1 (CONT > LOOP AVG Sa5E VERIFIED LINE DATA PER STEP VALUEE FE5 8.2.1 STES 6.2.E TEMPERATURE Tc TYPE Tc P!D RECORDER 1 I tt) MX2 COOLING WATER DE a) T144 MOLiiExit 6 ) OUTLET TEMP SRU5H 2-3 _ g/ _ " 'd',_. b) SP12 READER S (50-300'F)

19) N/3 COOLING WATER 1-S a) T195A MOLYTEKIF

/f,- 2 IN..ET TEMP (50 300'F)

20) MX3 COOLING WATER 1-$

a) T10eA MOLYTEK28 jf/,fy,' OUTLET TEMP (50-300'F)

21) MX4 COOLING WATER 1-$

a) T197AA MOLYTEK21 j,/,7, 4 INLET TEMP ( .... F) 1

22) MX4 COOLING WATER 1-5 a) Tit?AB MOLYTEK22-

'!'A 5 3 9-Mx4 COOLING WATER 1-S a) T146A MOLYTEK23 7 23) OUTLET TEMP (50-300'F)

24) VCS MX4 STEAM 1-S a) T22A-MOLYTEK24 M./p_

\\ r.4 INLET TEMP r (......F)

25) VCS MX4 SUSC00LER 1-S a) T23A MOLYTEK25 gg,,pg OUTLET TEMP i

e i (50-300'F)

26) VCS MOTOR STAND SE a) T26 MOLTTEK24

/ HOUSING TEMP I (e-540'F) l l l l 2PE-211-02 Rev. O Page 41w of -SONGS 2 Next page is - l OFFICIAi. TEST CC?Y

i e5CJ Stos u-4 's5Auf M f Q MrsD-P e?M J //-Oa/i> ! rw ca. SQ & 7 // t's ] ATTACtt1ENT 1 (CONT) LOOP AVG 6A5E UERIFIED LINE DATA PER STEP VALUE! PER 0.2.1 STEF 6.2.6 ' F LOL' 1) SEAL FLUSH OUTFLOW FLOW a) F1 READER 2 (4-5 VOLTS = 8-26 GPM) eMOLYTEK 1 A, /J g 7, ORUSH 2-4 A /_ 2) SEAL FLUSH OUTFLOW FLOW a) F7 READER 3 SRUSH 2 / (SACKUP TRN4SMITTER) / "/ M '~ ( 8-5 VOLTS = 4-29 SPM) K eMOLYTEK 2 3) MX2 COOLING WATER a) F2 SRUSH 2-d B eMOLYTEK 3 OUTLET FLOW (4-20 MA = 1-5 VOLTS = gg/ / - 0-40 SPM) ?" ?. 4) SEAL IN M CTION FLOW a) F3 BRUSH 2-7 i -(4-20 MA = 1-5 VOLTS = C eMOLYTEK 4 0-6.0 GPM) 5) VCS FLOW a) F4 READER 1 DRUSH 2-0 (4-5 VOLTS = t-5 OPM) H eMOLYTEK 5 i-I. 6) MX3 COOLING WATER INLET FLOW a) F6 LOCAL IND N/A ,f .I 7) MX4 COOLING WATER INLET FLOW a) FS LOCAL IND N/A

0) VCS PAC 6'1NG COOLING WATER a) FS LOCAL IND N/A

-l IN;.ET FLOW TOTAL 12ER 5i== PRESSURE ~ i 1) LOWER SEAL FLUSH PRESSURE a) P1 PTH PNL1-1' ~ SRUSH 3-1 (6-3.0 VOLTS = 0-3000 PS10) D eMOLYTEK d 2) UPPER SEAL FLUSH PRESSURE a) P2 PTH PNL1-2 SRUSN 3-2 (0-3.0 VOLTS = t-3000 PSIG) L eMOLYTEK 7 j 3) SEAL FLUSH OUTFLOW PRESSURE a) P3 PTH PNL1-3. 9 g/, g SRUSH 3-3 (4-5.0 VOLTS = 0-500 PSIG) M eMOLYTEK 0 _ 2PE-211-02 Rev. O Page 41x of 1 SONGS 2 Next page i 0FFICIAL TEST 0;77 f

OD-CN u ~??yfp M Of // t]' Mt\\0 P an u-o.:) 77'u o.L & I f '/'d;L_ ATTAC>t1ENT 1 (CONT) LOOP AVG SAFE VERIFIED LINE DAT-i PER STEP VALUEE. PER 1 S.2.1 STEF 6.2.6 PRESEURE (CD4T) } 4) SEAL FLUSH OUTFLOW PRESSURE a) P4 PTH PNLl-4 ~ BRUSH 3-4 I BETWEEN F1 AND F7 i (0-3.0 VOLTS = 0-399 PSIG) E eMOLYTEK 9 /

5) VCE MOTOk STAND HOUSING PREE a) PS-PTH PNL1-5
  1. RUSH 3-5 (4-5.0 VOLT 5 = 0-500 PSIG)

F eMOLYTEK 1 / d) VCS PRES a) P6 PTH PNL1-4 (0-5.0 VOLTS = 9-500 PSIG) SRUSH 3-6 g / g/'- G eMOLYTEK 11 7) SEAL PREESURE AT SEAL HOLD a) P7 PTH PNL1-7 BRUSH 3-7 DOWN PLATE "/# ( 9-5.0 UOLTS = ' t-500 PSI G) N eMOLYTEK 1 / "o

8) VAPOR SEAL CAUlTY PRES a) PS PTH PNL2-1 (0-5.0 VOLT 5 = 0-588 PSIG)

SRUSH 3-8 0 eMOLYTEK 1

  1. f..
9) VCS PACKING COOLING WATER a) PP PTH PNL2-2 BRUSH 4-1 0 J PRESSURE
  1. N' (0-3.8 VOLTS = 0-300 PSIG)

P eMOLYTEK 14 .t LO4D CELL C l l 1) VCS COLLECTION TANK LOAD a) LC1 BRUSH 4-2 PTH PNL2-3 j' { CELL / e M O L YT E K i S A /,,j j,_ ~ (e-5.. votTS = e-See. LeS> ,1 RECORDER S I V1 BRAT 10N 1) x-AXIS SHAFT V!BRATION a) V1 VIBRATION i 9R H 4-3 f'k W,___- \\ 2) Y-AXI5 SHAFT V! BRAT!D4 a) V2 U19 RAT 10N MONITOR 2 BRUSH 4-4 2PE-211-02 Rev. O Page 41y of 41 50F!GS 2 0FFICIAL TEST COTY 1 1

ftp SPSU-7<Vi 0 8)M.50 cf M.T. t A0' JP W //-C h ~ 7fW 4.2 Gkpe M g VA. ATTAcmENT ! (cQNT> e = #2 DATA LOGGER. MOLYTEK 2702 OR EQUIVALENT NOTES T !) !NCTRUMENT RANGES INDICATED ARE DESIRED RANGES. DIFFERENT RANGES t%Y DE SELECTED FOR RESOLUTION PURPOSES. LOG 4tANGE5 SELECTED (!F DIFFERENT TM4N INDICATED) IN THE TEST LOG. a

2) RECORDER AS$10Pf1ENTS ARE ONLY DES! RED A5511p*1 ENTE. THESE AS$1GreiENTE f%1 SE CHANGED AT THE DISCRETION OF THE TEST DIRECTOR.

LOG CHANGED A55!Grf1ENTS IN THE TEST LOG. 4 i COMMENTS i u W t i n 6 e 1 M. 1 i .................................................................3 ...........................................,i i 4_.J......................................................... .....................................................................j ..................__.......................__...................l s ...................................................................-i u s 4 i .............__........................................__........a ................................................................ i i t 2PE.211 02 i Rev. O j Page 412 of l SONGS 2 l Next page is ; 0FFICIAL H.SI CO.' / ) m

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Y Y a?'fD//-00lj_ 7TN cat, = Ak 34/ Q yp ATTAt MENT 3 STEP 5.1.1 VALVE LINEUP 1) $EAL FLUSH PUMP Cas!NG SYF 150 VLV X10 OPEN 2) HX2 INLET SOLENGID W LVE X1 CLOSED M.f__ i ? 3) HX2 XTIE TO MX1 VALVE X2 CLOSED N/# ./ X3 OPEN A' /

4) Mxt INLET VmLVE 5)

HX2 OUTLET VALVE X4 CLOSED /..___ 6) MX1 OUTLET FLOW CONTROL VALVE CV1 FULL OPEN 4/ e. ~ 7) SEAL INJECTION FLOW CONTROL VALVE CV3 C1.0$ED M. l / 9) LOWER SEAL INLET VALVE-X5 OPEN /_... 9) OACKUP SEAL INLET STAGING VALVE X6 OPEN ./._ h it) SE4L OUTFLOW ISQLATION VALVE K7 OPEN /

12) HX2 PRE-TEST XTIE TO HX3 VALVE-X8 CLOSED

/

13) HX2 PRE-TEST XTIE DRAIN VALVE XP CLOSED
  1. I/

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14) MX2 SEAL OUTFLOW OACK PRESSURE SPV1 SET FOR 54 PSIG VALVE
15) SEAL.OUTRit0W DRAIN TK INLET VALVE X13 OPEN

./_ //9 I

16) SEAL OUTFLOW ATMOSPHERIC VENT VLV X10 CLOSED

. /__

17) SEAL QUTFLOW ATMOSPHERIC VENT VLV X11 CLOSED y

(UPSTREAM OF RUPTURE DISC) I0) SEAL QUTFLOW ATMOSPHER!C VENT SDe2 INTACT [f / RU8TU*E DISC M /.

19) SEAL DUTFLOW ATMOS VENT ORAIN VLV X12 CLOSED
20) HX2 COOLING WATER INLET VALVE TV1 N/A i
21) MX2 COOLING WATER OUTLET FLOW CTRL CV2 N/A 22; H.=,1 COOLING WATER INLET VALVE TV2 OPEN
  1. e_
22) HX1 COOLING WATER QUTLET VALVE TV3 OPEN
24) Hxt COOLING WATER ORAIN VALVE TV4 CLOSED e--.
25) MX3 COOLING WATER INLET VALVE TV5 N/A 2PE-211 -02 Rev. 0 Page 41ee o-SONGS 2 0FFICIAL TEST C0i'Y

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fay 3 Ccy 4.) 1 ATTACmEf4T 3 (CONT) STEP 9.1.1 VALVE LINEUP L

26) Hx3 COOLING WATER DUTLET VALVE TV6 WA
27) HX4 COOLING WATER INLET UALVE TV7 WA l

HA4 COOLING WATER DUTLET VALVE TVS WA ~ 28) 20 Mx2 PRE-TEST PUMP CASING SfP ND VLV W3 CLOSE0 e.

30) VCS PRE-TEST PUMP CASING SYP No VLU NV4 CLOSED M /.

i Mb/_. 31') VCS PRE-TEST PUMP CASING SYP ISO VL X19 CLOSED

32) VCS AIR VENT $0LEN0!O VALVE X16 WA p'l} /
33) VCS DRAIN LINE ISOLhTION VALVE X15 OPEN gj /
34) VCS SAFETY VALVE PSV2 PRESET To 300 PSI gp/
35) SEAL FLUSH OUTFLOW LINE SAFETY PSV!

PRESET 70 343 PS! t VALVE

36) VCS PACKING COOLING WATER X20 SET FOR APPROX INLET VALVE 9.5-1.eSPMg

./ 1 <* ? j i a 4 2PE-211 -02 Rev. O Page 41ff of' SONGS 2 Next page is 0FFICill TECT CCTY ..w- ,-i-,, m --v..- aI-

Sca 3P4 y ?Jf ; , ell.e4 37 g y, l 1 7 I l offt">/t.calp WA 0 A i /M Je f %1 e ATTACMENT 3 + ONT) { STE? 8.2 2 UALVE LINEWP i 1) StaL FLUSH PUMP CA51NG SYP !$0 VLV x!$ OPEN _e_. I 2) h 2 INLET SOLENDID VALVE X1 CLOSED <_J w ,Il 3) Mx2 XT!E TO MX1 VALVE X2 CLOSED / 4) mal' INLET VALVE X3 OPEN r. S) Mx2 OUTLET VALVE X4 OPEN ' /- I 6) MK! OUTLET' PLOW CONTROL VALVE CVI FULL OPEN / i i 7) SEAL INJECTION FLOW CCD4 TROL VALVE CV3 CLOSED / l 8) LOWER SEALilNLET VALVE-XS OPEN / 9) OACKUP SEAL INLET STAGING VALVE X4 OPEN / ft) SEAL OUTFLOW ISOLAf!ON VALVE X7 OPEN / ',9* ..t i it) MK2 PRE-TEST XTIE TO MK3 VALVE XS CLOSED / f

13) MX2 PRE-TEST XTIE GRAIN W LVE X9 CLOSED

/

14) Mx2 SEAL DUTFLOW DACK PRES $URE DPV1 SET FOR WLVE 75 PSIG

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15) SEAL OUTFMOW ORAIN TK INLET WALVE X13 OPEN

/

14) SEAL DUTFLOW ATNOSPHERIC VENT VLv X10 OPEN

/ +

17) SEAL DUTFLOW ATMOSPMERIC VENT VLV Xil CLOSED (UP5TREAM OF RUPTURE 01SC)

W $~ IS) SEAL OUTFLOW ATMOSPHERIC VENT SDB2 INTACT l RUPTURE D15C IP) SEAL C# FLOW ATMOS VENT ORAIN VLV X12 OPEN /

20) Mx2 COOLING WATER INLET VALVE TV1 0*EN

- /- l

21) HT2 1.00 LING WATER OUTLET FLOW CTRL CV2 OPEN

/-

22) MX1 COOLING WATER '.NLET VALVE TV2 OPEN

/-

23) MX1 COOLING WATER DUTLET VALVE TV3 OPEN.

/-

24) Mxt COOLING W,F.R ORAIN VALVE TV4 CLOSED

/--

25) Mx3 COOLING W ATER INLET VALVE TVS OPEN

/. 9PE.211 02 - Rv. O Page 4199 C 0FFICIAL TEST COPY Sgj5 2,,, 4 4 ~_

SCD-S P2 u-71 *

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,y ?Al" a)Il-Ce s en r a c.a. hy 37f ATT ACmENT 3 ( CONT) $TEP 8.2.2 'JALVE LINEUP 2 1

26) H).2 COC' LING WATER OUTLET VALVE TV4 OPEN

/_ 1 TV7 OPEN /,,,,,., ) J

27) MX4 COOLING IJATER INLET VALVE j
28) Mx4 COOLING IdATER OUTLET VALVE TV4 OPEN

/ i .] q l Ig 2 9- ) MX2 PRE-TEST PLMPi cal!NG SfP ND, VLV W3 CLOSED .e l

39) VC6 PRE.TES? PUMP. CAllNG SYP ND VLV W4 CLOSED

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31) VCS PRE-TEST. PUMP..ChSING SYP ISO VL Xt P CLOSED

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32) VCSAIRVENTjSQLEN0!DVALVE XIe OPEN

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33) VCS DRAIN'LINE '190LAT!tN VALVE X15 OPEN

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34) VCf SAFETY VALVE PSV2 PRESET TO Det PSI

/- j SS) SEAL FLUGH OUTF'L"Od"LINE SAFETY PSV! PRESET TO VALVE ~ ' ~ P' See PS! bi j

36) VCS PACKING'C00C1NS IdATER X20 SET FOR l

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Saa-Jps u. v. i JAMVcQ\\ I k n o-1 J M Sst en\\ Tr u c.a. l ATTACHMENT $ THIRTY (30) DAY TEST DAY $NEET Aar Jf f ' ALAMITOS STATION UNIT 3 EAST 50!LEP CIRCULATING PUMP (BINGHAM-WIL Completed on a once per shift (every 8 hours) basis until completion of 30 day test. i DATE: .Nl4 TIME: A/// ] PUMP OPERATING: Yes No !NJECTION $ECURED: Yes No HEAD lEXCHANGERINSERVICE: Yes No 80!LER SYSTEM PRES $URE: psig 20!LER SYSTEM TEMP: 'F l l te

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UPPER'$EAL PRES, P-2 psig l I i 6 E' $EAL' OUTFLOW, FLOW F-1 gpm I i l l t INJECTION FLOW, F-3 ppm l 1 ~ REMARK $': A/// 1 (. E. + i .c i i 1 I 2PE-211-02 Rev. 0 L Page 41jj of 41, $0 HGS 2 "$CE PROPRIETARY HATERI AL' Next page is 41 0FFICIAL TEST COPY

Sca -s ps u. %q < ; kfTO b ATTAC WTNT (. E0VIPMENT DATA SHEET 7#rv II-c i c+- I yap We g 1) PUMP /MOTOP DATA 1 a) Pump Type: Single Suction, Single Stage Vertical Double Discharge { Rated Flow: 11.000 ppm Rated Speed: 1,7f6 rpm l Shaft Seals: Bingham, Balance StatorTM BV450 i b) Motor

  • 1 ]

Manufacturer: Westinghouse Type: VSS WP! Vertical 4 pole induction i Horsepower: 600 HP Frequency: 60 Hr Voltage: 460V ~ RPM: 1756 l r c) Shaft Seal Heat Exchanger Graham model 20540-16L E-d) Heat Exchanger Cooling Water Recuirements Temp: 105'F Max Operating Pressure: 150 psi Differential Pressure: 5 psi ~~ { Flow Rate: 40 gpm p. e) Injection Water (Cooled Filtered Seal, lush) Requirements F Temp: 150*F l Pressure: Pump Suction Pres. Plus 5 to 10 psi Flow-Rate: 4-5 ppm ~~ i 2) NORMAL OPERAi!NG PARAMETERS (These are nominal design valves) y m. l l-Seal Temperatures Lower T-B = 100'F l Upper T-15 = 120'F i Staging Pressures Lower P-1 = 2250 psig I 750 psig I Upper P-2 = I Seal Outflow Flow F-1 = 1. 5 gpm outflow 2.25 gpm I l Vibration Shaft X-mills = 4 mills Shaf t Y-mills = 4 mills Seal External Leakage = 10 or/hr 2PE-211 -02 Rev. O I Page 41kk of 41 SONGS 2 "SCE PROPRIETARY MATERI AL" Next page is 41 0FFIC' A.L TERT py

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e i fp aJ Southem Califomla Edison Contwny ..........m, ..e~c. u m o.~,..,,. I December 27, 1989 ,,, j',y,~,,, t* c . u.o.c,wn w u i i U. S. Nuclear Regulatory Commission Attention: Document Control Desk i Washington, D.C. 20555 t G M lemen: ?

Subject:

Docket Nos. 50 361 and 50-362 Reactor Coolant Pump Seals, Requested Information San Onofre Nuclear Generating Station Units 2 and 3

References:

1) M. O. Medford (SCE) to Document Control Desk (NRC) letter dated December 1, 1988;

Subject:

Appendix R Audit Open Items 2) M. O. Medford (SCE) to G. W. Knighton (NRC), letter dated March 4, 1986;

Subject:

Reactor Coolant Pump Seal Planned Modifications i This letter provides additional information regarding Reactor Coolant Pum) (RCP) i seal integrity which was requested by the NRC Staff during a telephone conversation on August 15, 1989. In Reference 1 Southern California Edison (SCE) stated that the RCP seals would maintain integrity for 24 hours without seal cooling and the pumps not rotating. In Reference 2, SCE stated that RCP i seals would maintain integrity for 30 minutes without seal cooling and the RCPs rotating. To understand the bases for the 24 hour and 30 minute RCP seal integrity periods, the NRC requested that SCE provide the following information: 1) How 24 hour seal integrity was verified; 2) The basis for 24 ' hour seul integrity. 3) Additional detail regarding SCE's test that verified RCP seal integrity for 30 minutes. In response to item 1), the assumption that the RCP seals would retain their integrity for 24 hours is based on tests on Byron Jackson (BJ) RCP seals as documented in NUREG/CR 3226, " Station Blackout Accident Analysis," dated May 1983. This NUREG stated that, in tests performed on BJ RCP Seals without seal cooling and non-rotating RCPs, BJ seals exhibited no appreciable leakage (approximately I gpm) after S6 hours. The original RCP seals at San Onofre . P PDC i t J

Document Control Desk 2-December 27, 1989 l l Units 2 and 3 were BJ seals. As stated in SCE to NRC letters dated February 22, 1985 and March 4,1986, these seals were replaced with Bingham i Willamette Company (BWC) RCP seals during 1986-1987 for both units as part of i an effort to extend RCP seal life, i The BWC seals were evaluated and tested by SCE and were found to be superior (improved elastomers, improved cooling, etc.) to the original BJ seals. As requested by the NRC staff, the 10 CFR 50.59 analysis by which the RCP seal replacement was made is provided as Enclosure I to this letter. Because the i NRC indicated in NUREG/CR 3226 that the BJ seals would not leak for 56 hours with non rotating RCPs and without seal cooling, SCE concluded that the superior BWC seals would be acceptable for at least 24 hours under the same conditions. Additionally, SCE has reviewed the NRC's August 31, 1989 response to CEOG comments on Generic Issue 23, RCP Seal Leakage (Enclosure II) as it applies to RCP seal failures at CEOG plants. In this letter, the NRC states "there appears to be a disproportionately large number of (RCP seal failure) events involving the types of RCP seals used at CEOG plants." The enclosure to this NRC letter lists recent industry RCP seal failure events and tabulates the failures by nuclear steam supply system (NSSS) vendor and seal vendor. Of the 4 16 RCP seal failures listed, only I failed seal is a Bingham Willamette seal (non CEOG plant) and all of the CE NSS$ RCP seal failures listed involved only Byron Jackson seals. As stated above, SCE has re>1 aced the original Byron Jackson RCP seals at San Onofre Units 2 and 3 witi Bingham Willamette seals, c This seal replacement has resulted in a drastic reduction in the RCP seal r failure rate. (The mean time to failure for a BJ RCP seal at San Onofre Units 2 and 3 was 90 120 days. For the BWC RCP seals, the mean time to failureforonestageofthethreestagedesignisgreaterthan3 years). Therefore, the BWC RCP seal performance at San Onofre Units 2 and 3 demonstrates that the NRC's generalized statement regarding CE0G plant RCP seal performance is not applicable to our units. In response to item 2), the SCE Appendix R Compliance Assessment Resort provided by SCE to NRC letter dated May 31, 1987, identified that tie Component Cooling Water (CCW) system is required to be in operation to support charging pump operation within 60 minutes following a safe shutdown fire. However, the Appendix R Analysis for San Onofre Units 2 and 3 conservatively assumed that CCW would not be able to provide cooling to the RCP seals for the first 24 hours after a safe shutdown fire due to assumed fire related equipment ino>erability. The following describes procedural actions necessary to mitigate tie postulated fire related loss of component cooling event: 1. Following verification of a safe shutdown fire, the plant operators are directed by the post-fire safe shutdown procedures to immediately trip the reactor and the RCP's. (The RCP's would be tripped in less than 30 ~ minutes.) t e.__

i Document Control Desk -3 December 27, 1989 2. Plant operators would then direct manual actions to restart the CCW pumps and align CCW to support charging pump operation. These manual actions would occur within the first 60 minutes post-fire. 3. After restoring systems necessary for safe shutdown and stabilizing plant conditions, plant operators would direct manual actions outside the control room to align CCW to the RCP seals. The Appendix R Section !!!.G compliance evaluation credited local manual valve operation to restore CCW to the RCP seals between 8 hours

  • and 24 hours after a safe shutdown fire.

This 16 hour period was verified to be sufficient sinee for plant operators to manually align the required CCW valves to provide seal cooling to the RCPs. In response to item 3), Enclosure III to this letter provides: 1) Test Procedure 2PE-211-02, Rev. 0, " Loss of Cooling Water to a Bingham Boiler Circulation Pump Mechanical Shaft Seal Demonstration Test at Alamitos Unit 3 - (Pump Operating)," dated November 1, 1985. 2) Bingham Willamette Report 5023 9232-0, " Post Test Inspection for loss of Ccoling Test," performed on November 1,1985. We believe this letter completes the responses to all outstanding NRC RCP seal questions. However, if you have additional questions, please contact me. Very truly yours, 7A / l t Enclosures J. B. Martin, Regional Administrator, NRC Region V cc: C. Caldwell, NRC Senior Resident Inspector, San Onofre Units 1, 2 and 3

  • Consistent with Appendix R Section III.J 8-hour emergency lighting need not be provided for 'socal manual operation of the required valves.

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