ML20032B521

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Forwards Dietz Providing Completed Tables 1-4 Re Station Blackout,Unresolved Safety Issue A-44,per NRC 810709 Request
ML20032B521
Person / Time
Site: Brunswick  Duke Energy icon.png
Issue date: 10/30/1981
From: Utley E
CAROLINA POWER & LIGHT CO.
To: Ippolito T
Office of Nuclear Reactor Regulation
References
REF-GTECI-A-44, REF-GTECI-EL, TASK-A-44, TASK-OR NO-81-1786, NUDOCS 8111050625
Download: ML20032B521 (1)
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Text

{{#Wiki_filter:7_. h [J t!&=Qb ! Carolina Power & Light Company 4 Noyo 41981v October 30, 1981 M,p } File: NG-3514(B) Serial No.: NO-81-1786 Office of Nuclear Reactor Regulation ATTN: Mr. T. A. Ippolito, Chief Operating Reactors Branch No. 2 United States Nuclear Regulatory Commission Washington, D.C. 20555 BRUNSWICK STEAM ELECTRIC PLANT, UNIT NOS. 1 AND 2 DOCKET NOS. 50-325 AND 50-324 LICENSE NOS. DPR-71 AND DPR-62 INFORMATION REQUEST REGARDING STATION BLACKOUT, UNRESOLVED SAFETY ISSUE A-44

Dear Mr. Ippolito:

Carolina Power & Light Company (CP&L) has received your letter of Jtly 9, 1981 requesting information to be used in the Unresolved Safety Issue (USI) A-44, Station Blackout, effort. Pursuant to your request, the information enclosed for the Brunswick Plant should assist your efforts at determining the generic reliability of onsite standby diesel generators. Specifically, your letter requested the completion of the following four tables: (1) Diesel Generator Operations Data, (2) Diesel Generator Scheduled Down Time Record, (3) Diesel Generator Unscheduled Down Time Record, and (4) Onsite Emergency Diesel Generator and Auxiliary Equipment Modifications Record. The information requested for the years 1976 to 1980 is provided in the completed tables. We hope that the infor-mation enclosed will assist you in incorporating as much actual experience as possible into the reliability model for emergency power systems being developed as a part of the resolution of USI A-44. If any additional information is needed, please contact us. Yours very truly, T E. E. Utley Executive Vice President Power Supply and WRM/lr (1013) Engineering & Construction Enclosures ......._..'q. i i.., s. 8111050625 4

3. Box 1551
  • Raleigh N. C. 27602 g

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M 1 n_- . _.m Carchna Power & t.ight Company lN [\\ ~10 i Mr. Thomas A. Ippolito, Chief Operating Reactors Branch #2 Division of Licensing U. S. Nuclear Regulatory Commission Washington, DC 20555 ' - BRUNSWICK STEAM ELECTRIC PLANT, UNIT NOS. 1 & 2 LICENSE NOS. DPR-71 AND DPR-62 DOCKET NOS. 50-325 AND 50-324 INFORMATION REQUEST REGARDING STATION BLACKOUT, UNRESOLVED SAFETY ISSUE A-44

Dear Mr. Ippoli,

to: l Enclosed are completed Tables 1-4 as requested in your letter of July 9, 1981. + We trust that this information satisfies your request. I Very truly yours, Approved: /jAGf (( h th n RMP/gvc ~ Enclosure i A 4 e fb b l (; 2 0 0 hv b

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Encloutero 1 - Pago 2 TAlli,E 2 Mamel Canarator Sct.a. tole.1 n=nt i=4: Naco r.4 riant 11 =43 N Cm Ian.in r Yo u r 197 6 IIg8 t tau. 2 i.......,,i,..... i,......, r ii...........i.., n.,...,.... .;,n, ..,;n, ,,,,,g., ,.c,- u,c,-. gc, ,...........,ny,- gc, ,n,- i~.. c.,_.,,,, j S. l.u.l. I u.I

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i ~ e ^ t I l I!nclosura 1 - Page 2 g Diemet Genormaar Selindula.1 Inountime Racerd Finus Hanne BSEP 1 TW.E 2 f Calen.lar Year 19]7 pqig No. 2 I a llousm oi pouaittwo 1 i Hemuun fur punct or miostatown Itcact or siot sleut aloun Caamaanse i lhawoe ime ~111:f- *lN:# 711:f~114.7~ 71Cf' 11Cf~ 'liC#~~ linf-IfCf TF 1 2 3 4 e } S l uJ..ls.1 lisins= nance 1.45 20 min 15miri l5 min Routine Maintenance i f. ~ 1 t i Equipment l.75 Reroute J/W and S/W lines Modification 350 .20 PM 76-433 .20 .20 PM 76-434 i 16.75 8.25 9 7 PM 77-64 Installation of test connections j I E + ,I I .a ! ~,. I .I i } i .1 l 3 l Time IWS is unwvaallalile f or== urgency service I :' i l toccouun ut requir.s4 fccia A

t. j / Fnclosure I - Page 2 I pineet Donurator Sci e. lute.1 Ikwntime Itacarel Plant is. BSEP l, l TAhl.E 2 Calen lar Year 1978-Bl.llt No. 2 a 1 i i II.ms's ni llossui Imo i ... e.... i....i.~, n o.: ..r ....i.....i.ii,,, c. ase . ~.., - un,- ,,na-vna-vn - un - vy gn,- y.c n;cr yc E.U.. ..t 4 Routine Maintenance ilsinienene. i ~ .PM 33.5 12 PM 75-412, 78-159 work on these plant modifications were done l simultaneously 78.159 12.5 I l j i 1= I.' ,4. - L i i l j l

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J O i / Enclosure ! - Page 2 tonal Generator Scl.a.lul&.l stoveit sma Macer.1 Fla.,c Home BSEP u hi.E 2 Calen iar Year 19,79 p.is s m. 2 l 9 llousm of tinuusin.o u......,.. r ii..............,,, ii..... r.... a.......,o,, C., i~.... m,:,- ig:, 3 c r,ig:, ,in,- vg-9:,- n9,- gr wr S.-l. J.. l c.l llaanienene. 1 8.4 31.~59 4 Routine Maintenance 4 ,i 22.25 18 month PT on all annunicators and alarms - PT 12.9 28.75 tipchan'ical Inspection PM Annual ,t i Modification i l 32.5 1.5 15.5 PM-78-372 muffler supports l \\ ll l 2.1 tiodify lube oil switches i l i t 1 g .i 1 w. I i s .I ss e.... ,I s Time lui is ue,ovallot.l. l 4 ] for emusr.cury servica s i 1.rcmo:.a ut is.341rcel f y sensu .s.

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+ Ita!nt anaises Ll.75 Routine Maintenance + i PT 7.5 12.7. Electrical inspections 3 e 1 Annual inspection-46 68.75 Mechanical Inspection i 1 19 11.5 Plant Mo'dification 80-46 Generator Spray Deflectors Plant Modification 79-136 and 75-147 modifie 6 10 lube oil alarm and service water alarm for i 30 second delay up on start. 1 ] 4 2 .i .\\. 2 2 4 i l l Time IW1 la newvnllotile i f or einorgency survice leecmous of relutred s emi es

= i. .,j. .s, knetomiirsi 1 - Page 2 pt. 1 0.nurst.or selia.tulo.1 lbwors== leucard Plant al. BSEP ,, - 2 9 l 7 calen.lar Yamr 1981 . Ho l t H.e. 2 . < = o 'I / II.,ura at liountino ~' ,,.....,<r .......r.......... .........r.....i........., c., wa-un,- we m r un,- v,ca-y:,- y.c yr wr s r l..J.. l e.1 1.5 7.75 Routine Maintenance II sne.nnoc. 1 l g f 'l ' \\ ,f i c l 6 7 I i' s } r , 1 l}< / ? .s , l' 1 i e i 1 4 l -a 4 l l I I i l t i .1 l = s Ts a I.s: Im u.iuvollut l. l for e.mussency servica l 1.ccouse af re.guircJ I l toeta i

I l Enclosure I - l*mgo 2 3 3 i pse. t conorme nt scl a.l.le.1 pownt asia Itacer.4 l*Iant Name BSEP J TAuss. 2 l calaalar Vaar 89 27 Heil t N.. 1 l li.n. si oi pounts N u m u.... for Ituscanr seine. town licaccor not al ne.tousi co mante s.ouna s 1 :r-ist:g 7:gy-tig:s 7ing-11C#- 'bCf - ht f-ISC f~ ~ hM T~ j 1 _2L__ 3 4 e s.- t..l.. I c. i II.e s ni e n a nc. . 5, 8.25 2.9 1.20 .25 Routine maintenance. i 18.50 i Periodic test on temperature scanher I Annual Inspection: 105.I' l02.6 8'1 L17.7 1 4 j Equipment 2.5 .3 76-433' Hodification i 1.7 Rcroute jacket water lines. I i 1 .4 .3 76-434 16.75 8.,25 9 7 77-64 Installation of test connections I i l l { .i l 1 I l i {- s 1 + l i l i i } { t ? l TIaio bil iu unovollol.la for esausgency acrvica l 4 I.rcmune of :::.guire.1 ' suatu

1 1 J = l l knclostera 1 - Pagu 2 j TAhl.K 2 plesel (Insterator Sclio.lielhal Inowestima Itacersi l*lant Homo BSEP Calenelar Year 19 76 llegit No. 1 1 i i 11.nirm at llountimo 1 -8tenuon for Ituact or minutelown Itenci air not clasi;.ioun Commente lauw is laa lij:r-Ig:r-]cs ligs-lit:r-11t's Nj-gi-{Iff[ Tdf i s.-lia.l.. I c.I !!4 f sit asamence l 4 1 i Equipment i Modification 5 ? 29 Terminations in test panel 1 i i c l. 4 l l 1 1 t j l l Time tw: != innovellatif. j f or emergency nervica i Recemose of rc.guire.1 sense

linclosura 1 - Pagu 2 i paneel Casiermsar Sclio.luthat liowntlema Itacoral l'! ant lianse BSEP TAulX 2 calen.lar Year 1978 Usit t lla. 1 f II.nia's at flount ima H e.e u.e n far Ituact or uliais town tiens:s or n.it cliu t alaun Commenent e leaw.is I lit:r- 'lir:s lit:r ' 111:r-lit:r-lit:r W :r - lin g-ric l~ 7 Y 1 2 3 4 1 2 3 4 e

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1.5 4 Houtinc }!aintenance l 7.4 Training ~ q- + i ? ? i Equipment 49.9 62 75-412 added automatic transfer of DC ?!od ifica tion l i t 9.9 20.2 78-159 with barring gear engaged caused .annunicator to show " Engine not' Available" per commitment to NRC. ) i I i i i 1 1 l-l ~ i i l 8 I l j t e ? / .l. Tima lui t u unavadlolita ~ Inr ca urseury acrvica 1.ccanse sit seqiilrcJ I l suotu

j o 4 e I!nclosura: I - Pago 2 .1 plueel Danormsor Sclicelul61 inne,ntinia Itacer.1 Plant limaso BSEP TAlta.E 2 Ca l eenla r Ye a r 19_79 p.ilt No. 1 j j ll.eurs oi sinunsina atemunn fur itune or alwa. fawn itonc: ar n..t al.n s.loun Comnenge ......,s iip,,ip,- iig, ,y,:, ,m,- ug w,,- q.,- y.r 3nr

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llatutenaue. i l j 23.25 20.5 Periodic Test 12.4 electrical inspection j t of annunicator. { t i - i 6.. .i f .I e i l Equipment j 6 Placgd sirens,in glarm circuit' Modification l ...i 32.5 79-129 chanagd qetpoin.t of specil. Signal of Tach *; Pac l'orm 510 RPM to 500. j l 1 t 4 t 1 l t 1 e i I 4 ..~ i e l l I I l I i a l Time 14 f u uewvall..l l. l ~ } f or emergency service I trcanuo of rc.gulrcJl I I testm j

1 ,l l -',1!nclosura 1 - Page 2 plumet Danurator Sclia.lista.1 pousitama Itacoral Plant lismo BSEP TAhl.K 2 Cale ular y.r 19 80 post No. 1 i l llousm oi pousia f i.o t Henson (nr Ituact or slaut alown Itenr.t ar not slau t aloon Comaenge i li..w. 1. in:3-In:r-lu:f-in:f ' Ur:r-Ur*f Vct-licf' Ifcf Tcf 1 _jt_ 3 4 1 7 1 4 i

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IIssi e.n ne. i 29 28.25 8.25 Routine Maintenance l i 1 l l 3.9 9} 5 ? Electrical inspection 1 ) ( 8 I l Equipment Modification 8 11, 80-46 Installed generator spray deflectors 2 ? 5.25 9.75 79-136 and 79-147 modifies lube oil alarm and service water alarm to, delay for i 30 seconds upon start l l 6 5. 7.' 49.3 Annual Inspection l 1 f y *. l- [ I~ .i I s J i 1 t 1,: Time IWI is unovalle.lil. ~ f ar amargency ucrvica leccause ut resluireal -i s ust ai

), g. I!nclouura 1 - l'agu 2 { Diesel Generator Sclio.l..l&.I I).iunt sma Itacord l*l e.it ilmaa BSEP l' TAhl.E 2 c, y,,,g,, y,,, g.) 31 gq g g gg,, y ii......,, n...,.....

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4 t 4 ~ 4 Estclositte 1 - l' age.) TAtl.K 3 himmel ilunee nter linactindiale.1 Iksunt lems passed l'lant Nainen BSEP CalendarYear193 Unit No. 1 P.ii Tiant a - Tr any or tien r lias ted falGime wou)J not lieve buen a ~ IER Al.stence N. thiunt ima lluus e g,,,,,,,,,,a,r e iergency cosidis tniin, liiname e ngil m e n liere. (Ref us an st ert 7,,,g g,.ue li t s-l'a r a m,lia l kupals/ katur s u att aclimal IJIls or else influsse liascJ In Talate 8. j e.1 16 It Al.a a : as:. s j ine r m alienst in5 '.V S M 'N'E None listed for 79 i t j 79-74 12' Loss'of control air due to yuptured diaphragm j i i NO LER l I 8.5 On start of diesel service Oater valves failed closed and 4 fail to start alarm came in[ i t i l lii i l t j i 1 t 6 i f 4 i s. f f f f 1 9 e e l 1 i 7 Ii l II l..

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.t 8 Itactueure 4 - Pane 3 TAlti.It 1 himmel flense meer linschedals.4 liennst tous inmened Plant Haman BSEP Calendar Vent 1980 lint $ No. 1 P.Te&anta - It any or the toportaal failuras unuld not have been a d ItT Al.etrace H. Isennstima llatern j g,gg,,,,,,4,,,,,,,,,,,,,,,,gggg,,,, p,,,,,,p,,,g,,,,, g g f resule l s-l'a r t s.lia l itesim i r / Ituf er to attaclimal I.Elle or alia f allieres listed in Table 4. I I"dI"' 8" "' cel I.i11 Alemt e as:e 4) Total llanse al. ine in5 'VdiYa888 '.dl' 8 " C " ' 1 80-043 4 8.20 4 I i 80-040 3 ,6 l 80-070 2

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l l. .1 80-081 1 11.3 Diesel started in 13.9 seconds vise 10 seconds 1 22.45 Fuel pump failed DG would carry 66% rated capacity 2 20.5 12.5 Fuel injector tube loose. Tube could have been tightened while running if necessary. I e 3 4 I i .e, I I

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i l r'78-003 10 3 mi t ,,,,7 8 -0 6 2 9 N/A Fire protection system inop not related to operation of diesels. ,.. 78.-074 B 11, s l ,,,78-Q78 7 N/A . Diesels were operational whild #3 'was 'unav'ailable during annual i t inspection. Operators failed to verify operation of others. 78-083 G i r ri i 77 00 5 N/A - l Problem' is on reactor recire, pump, not diesel related. j i i j NO LER l Ik Weld cracked on jacket water elbow minute '.eakage, 1 4.25! t k 2 10.5~ Lockout button would not reset. t .} 3 .8 No governor speed control. ~

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  • Himmel Genes seur teauclied.nl J lianant eems hacaed l'I ment Home BSEP calender veer 19 77 Uilt No.

1 P.4Tements - Yr asiy sif the reported falGras wouG not have been a IER Al.mi see N tionnit !=a linier m g,gg,,,.,,,,4,,,,,,,,,',,,,,ag,g,, g g p,,,,,,p,g,,,,,,, I"*8"' Total re nut. l e-l*m r a s. Iso l kupair/ N.oter to atractie.l I.ERm er ties (allurce listed in Tal le 8. v.I 1.6m Al.mteace 4)Iro..re al.ona I"5 '.'E Yaear tuplacu. 77-1 11 1 LER No Abstrai t 77-111 29.5 Relay bprnt out 77-115 . 4 Slow utart greater th'an 10 seconds 77-83 29,1 Governor leads broken I NO LER 1 3 [ l Fuel rack won't close l 1 4 e I E [ I i i s i ? e i i ( l 9 t l 4 i I I ,l-l

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i 4 4 Liclueurs I - Fase 1 TAtl.K 1 leimaal llenae star 18nachadole.1 poimis tem Nucaid Plant Haine BSEP Calender Vaar 19J6 espit No. 1 i LTesanta - It many of ali.a reported failurma unn)J not leave lascia a lIR Alist e act H. Daunt fina linier m (Bufee aes atIs1 f ailura emder as ergency eno.Ils lonas, please explaisi tiera. ed I.i tt Al.m t ace 4) Total resualilm-l'ar t s lial Nu-air / kuter to attacles l I.Elle or alia f alliarca listeJ les Talata 8. leania al.nne lng i,vygy,e s t i.ig g. l a c u - t None reportable in 1976 1 1 e e 1 4 f I I e o l l l 6 l 4 3 r e G I e l l s l i 3 l l l r I

4 ~ f ' Enclosure' S - Fase 1 TAhl.It 3 Himmel flames se ur (;nmeliadiale.l flount ime Itacand l'Innt Haine BSEP calenJar Vaar 19 g Unig No. l Po~eements - If any sof tism regierted failures unselJ saut nova lagen a ~~ ~ tim Al.mtsmet 4 Douattma linute (petes su af ect g,gg,,,,,4,,,,,,,,,,,,,,,gg,g,,,, p,,,,,,p ,g,,g,,,,, g g el 3.1at Aleut: ace s) 7,,, g 7,,,g,,,, t,a r t s.po l itepatr/ Matur to attaclimal 11Ra or alia f ailurma listsJ 8es Taline I, linier m aliant in5 '.VEY4.e r tuplacu-8 LER i. I No Abstract l l 1-81-27 45 min. Air comprassor breaker,found turned off. Diesel was started.and ~ '" placed on line. i 1-81-39 6 I .) e n i J I 4 1 -l s e I i e I 8 9 9 9 i t 3

i l Epplosure 8.- l' age 3 1 Att.c19 lit osa l 'ihane ratere itstantieJu l eJ 'lkeunt i me. leases J.e l'8mns Hama i l, celesJarVeer.19Mr 18:315 No. 2 1

ommente,- Irs any afs tlia,.regipried.. fallurse,would not liava lesen a i

I n k* AMst e nce s M IH>wns ima.linur n - f a ilurs,.under. maiersency. coe.Ilt loniu. Sit e=== estila t es.1.c re. (thf asi s areme t ti ,lia r t e llu t ke gis t r/ Matar to attacles.lil.ERm or alia f ailurce listeJ les Talate 8. ,g, ,,,,,,,,g,, 7 e est e t.t k ' Af.'u s e ac. , ) 6.. r.. .i..nosng i vf y, gr iuplaca; i I 76-5 11 3 I 76-69 10 11 4 j 9 Does not pertain to the diesel ge erators. j 76-85 8 !. 3. 5.. ; = .;,,,,,,j. 76-156 7 9.25 i 76-182 6 Record: Misplac d T-i i

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j 8 g ,1 / Itaclassere 4 - Page 1 TARI.E 3 lliscel Generator HaecheJiele.1 Downs tmus Itasard Finnt Hama RSEP relanJar Year 19 _ Uptt No. 2 P.neumanta-Ifanyoftheympars-1failureswou)Jsinghavebeena j lia Al.stract N. theunt!=a !!""'" f ailure sende'r me - = 'y capelltlanu. P ease supiala 1.are. l j (mates so at ect i s.1 IJat AI..at e as:es) Total 'f rnut. l a-l'a r t s,lis t Sterair/ ltofer to art-I. Ens or alie fattures listed isi Table 3. p,,,,,, ,y,,,,,,,,, .,g 77-37 5 3 min NO LER 1 3 min 2 54 min Diesels were cold, had slow start, i e t e i i l t I } e Li 1 e f e i w { I

4 1" 1 Enclueurs ! - Page 1 TAal.et 3 Illemet dismes star lenscheJieled linimit less leasaed l'I sent Hamme BSEP 4 CalenJar Vaar 1978 Hetit No. 2 i P.nemaants - If any of the soported failures wois)J siot have been a IER Al.serace N. liowett ime llaur m init rm senda'r emergency castells inne, pisame emplain' la:ra. (Refes see assci e.1 11K Al.ateace s) Total Tenielle-l'u r a m,Ilu l Nepatr/ Nef er to atractieel 1. era er alia f ailurse listed ist Telle 8. lla.o r m al.ons f"5 '.Y2!y 4 E 8.! l '.2 P ac "

  • 2 78-015 4

10.5 NO LER 1 4.5 Weld crack on 3/4 inch,line minute amount of water leaking j 2 5.5 Barring gear s, witch failed, function is to lock diesel out.during ] maintenance. i l l 8 I e ? i A i i l 1 i l j v s i l

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i ' knel'usure l' - l' ass 3 TAtl.Il 3' til'assel' flenes'al'or linesclied' l'ad* luukst'l'aus leucan d' l'funt Hamm BSEP a Cal'oeid'an' Waar ISM 88pl 5 180. 2 I Weements - II asiy nt' the toport'ed' fall $ ram unofJ seus have lacen a ~ IER Al.st r ace H. finuntima liniers f ailure senda'r essergesicy condialania, plause suplain lacre. UdI"' ' " ' 8 8 "I 's)for al renutilm-l'a r a m, lie n Itagis t r/ liefer to attaclimal IERa or alte f all sres listed Ist Tetale 3. e.I I.f it AI.s t s ac e I linurm at.nna 1n5 '.V8 8. Y a " 8.' '"P """' 79-002 3 45 min. Diesel was out of service for modification; failed on restart due to reset button not pushed. 79-016 2 45 min. 79-038 1 8.5 LER bu't not in Abstract 79-014 3.3 No governor speed response t e e e e

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e. ~ ltnclosure 1 - Page.1 TAul.E 3 Niemel Hanet as ent tenscheeliale.1 Downs iema lancard I'l ant Haman BSEP Calendar Vaar 1980 18pi t No. 2 l$sidiants - YY any of the reported falGras won)J not have lesen a ~ IEp Alstrace N., Downt Ina linue m g,ggu,.,,,a,,,,,,,,,,y,,,,,gg,g,,,, p,,,,,,p,g,y,,,,, g g (Rafos su efeti I 7,,,g f e sisilai n-l'a r t s.pu l Itcpair/ Itufer to attacli6.11.Eils or the intlurse listed in Table 4. e.1 11 at Al.m t e as:s 4)Isaur. al.onss"5 '.Y2iy 18.! '."I' l a r "

  • NO LER 1

16 Fuel oil leak on injector 2 4 DC Ground l 3 2.2 Replacement of grounded component. l 4 9.2 With #2DG out of service for maintenance #3 DC started in 16.61 sec. 0 instead of required 10 sec. e e G e g I 9 m I,

l 4 I!nclosure ! - Page 1 TAtl.M 3 Nf Leal flames meer lenschedul=J Innuns ten kosmed Plant Ha BSEP CalendarVeer19M U,ilt No. 2 l'oeumonta - II any of the reported failurae woulJ not have licen a j lia Al.etence N howntima llaura imiture sende'r eeuergency cotidit ione, plaase emplain' l.ers. i.*,',' ' '".:".T. a ~ lone. " e 'c! =~' c " ' a '= c n

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u ~ a '~ ~ ' n-I A.ans8"5 '_v lys 8! tupinu2 81-12 3

  1. 4 DG governor. erratic under load 81-32

.20

  1. During inspection #3 failed to start in less than 10 seconds 81-33

.3

  1. 4111 jacket water temperature i

81-44 26.5

  1. 4111 Jacket water temp low pressure 81-51 11
  2. 4 Slow up to, speed 2

81-55 34

  1. 1 Output bkr ' tripped open fouhd burnt resistor 81-61 24
  2. 4 Field did not flash 81-66 8
  3. 2 Ili Jacket water temp trip 4

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i 2 Page 1 of 6 i i 6 ON-SITE EMERCENCY DIESEL CENERATOR AND AUXILIARY EQUIPMENT MODIFICATION RECORD 1 Plant Name DSEP TABLE 4 Unit No. 1 &2 Equipment or l .Date of Reason for'Hodification and Procediero Mod fried Mod. Decla red 'Imorovement Description of Modification D/G Fuel Oil ,1/12/75 [ This modification places fuel oi) alarms on Unit No. 2 RTGB until Unit No. 1 annunciator panel 4A-S is placed i 4 in service. Consists of 4 conductor j cables from XU-34 to XU-43 to XU-36. t t D/G 2/7/75 Dampers do not function properly. Remove dampers, modify and reinstall i to permit dampers to function properly D/G 2/20/75 Exhaust fumes. enter building through FECP #1044 corrects this the air exhaust silencer drain line. 1 1 D/G Ventilation 2/25/75 Cableseparatdon(ECP#0117) To correct improperly identified 1 cables. D/G Starting Air , 11/25/7,5 D/G starting air comp. relief valve. i D/G Control Logic 12/2/75 There is a loss of power to the emer-After loss of normal supply each emer-i gency bus before the D/G comes to gency bus is energized from the asso-l l full power. ciated D/G. This modification pro-3 vides for restoring the normal source j i s of power without a momentary loss of power to the emergency bus. D/G 2/22/79) Rith a loss of the voltage regulator This modification adds an automatic l potential transformer, the AC will not transfer circuit to transfer *cxcita-transfer t o DC (this would result tion from tbc AC to DC regulator. from p blown fuse). D/G 6/17/75 FSAR requirement Install flapper covers over start iso-1ated (emergency start) buttons at local diesel panels. (FECP #1224 installs) 4

~ P:gs 2 of 6 ON-SITE EMERCENCY DIESEL CENERATOR AND AUXILIARY EQUIPMENT MODIFICATION RECORD TABLE 4 Plant Name BSEP Unit No. I &2 Equipment or Date of Reason for Modification and Procedure Modified Hod. Dec la red imp rovemen t Description of Modification D/G Service Water Implement FECP #1310. Install all new jacket water. cooling system heat i exchanger water boxes. Also add i corrosion protection. D/G Fuel 011 4/20/76 Require meters to determine fuel oil Install fuel oil meters. consumption by each diesel. D/G liVAC 5/24/76 The req'd setpoint of the temperature Provides individual temperature switches is not compatible with the switches for high temperature alarm output range. in the 4 D/G cells. D/G 12/16/76 NRC requires a PT on the D/G This modification installs four new + pressure switches. racks, each furnished with five call-3 bration and five isolation valves. 4, D/G Fuel Oil 2/19/76 Cancellation of temporary Plant Modification 75-029 placed the fuel Modification 75-029. oil alarms for D/G 1 and 2 four day 4 tank alarms on the D/G 1 and D/G 2 i annunciators because the proper annun-clator panel 4A-S was not ready. j This modification removes the temp-orary wiring and places the alarms in permanent service. i - D/G Drain System 4/13/76-To keep flood waters from backing Work performed by FECP #1461. I into the D/G Building from the oil-collector sump pit. D/G 6/8/76 Relief valve sutpoint change. 1

Pcga 3 cf 6 ON-SITE EMERGENCY DIESEL CENERATOR AND AUXILIARY EQUIPMENT MODIFICATION RECORD TABLE 4 Plant Nome {LEEP Unit No. 1 &2 Equipment or Date of Reason for Modification and Proceduro Modi rled Mod. Occ la red imp rovemen t Descriotion of Modification D/G Fuel 011 12/17/76 PNSC Action Item 76.107.6.1.a for This modification adds sample lines sampling of'the bottom of the saddle to the diesel saddle tanks. tanks. D/G System 5/6/77 1. Cold weather and ventilation The setpoints of lube oil'prefilter system affects performance of heater, jacket water heater and lube D/G System. oil pressure trip are being increased. 2. Increase setpoints. D/G System '/21/77 NRC requested that D/G instruments Tees with valves are being added to be tested. various instrument sensing lines to allow instrument calibration. D/G System Fuel 11/29/78 Technical Specification 38.1.1.B.? This modification adds separate high oil and low level annunciators for the-D/G fuel oil storage tanks instead of a common high or low level annun-cintor. D/G System 2/23/79 NRC commitment by letter NG-77-583 This modification will add a separate dated 5/16/77 Control Room alarm for low starting air pressure and will tie the barring gear engaged contact into the D.G. Tripped /Not'Available annunciator. Fire Protection 8/4/80 ofodify ventilation system so that the This modificadion swaps mounting posi-system can adequately remove fuel oil tions of exhaust fans and gravity fumes from the area. supply ventilators to improve air Also, NRC requirement as per NRC 79-17 flow in each of the four fuel oil Item 5.C.14. underground t'ank rooms. 9

Page 4 of 6 ON-SITE EMERCENCY DIESEL CENERATOR AND AUXILIARY EQUIPMENT MODIFICATION RECORD Plant Namo RSTP TABLE 4 Unit No. 1 &2 Equipment or Date 'of ' Reason for Modification and Proceduro Modirled Mod. Dec la red i mp rovemen t Description of Modification Fire Protection 11/24/80 NRC 79-17 Item 5.C.8 - fire curtains ' Add an additional fusible link on Ventilation D/G in El. 50' D/G Building are inade-other side of each of four D/G Building quate. Building fire curtains. D/G 10/29/80 Adding a time delay to the lube oil This modification will add a 30 secont pressure pre-trip annunciatog,will delay to the low lube oil pressure prevent jacket water and lube temp-pre-trip annunciator to allow erature alarms from being masked due the D/G to come up to speed before to the lube oil pressure alarm being the alarm is allowed to initiate. Initiated. D/C 8/29/79 Changing the setpoints will prevent This modification will change tiie the loss of cooling water to the setpoints of the D/G speed switches diesels during initial startup and (tack pack) from 510 to 500 rpm. speed regulation. This is essential for the dependability of the diesel l generators. i ~ D/G ! 10/29/80 When the D/Gs are not operating, ther( This modification will wire the low is a continuous low service water service water annunciator in series { alarm on the local D/G control annun-with a contact of the timed S.C. clator panel. relay which will eliminate an annun-ciator light on the local D/G panels when the D/Gs are not running. D/G Fire Protec-Fire Protection Program Review This modification provides relays and tion APCSB 4.5-1, and NRC letter 9/19/79 resistors to supervise the deluge valve solenoid and its arsociated actuation circuitry for open circuits, short circuits, loss of power supply and ground faults. 4 W J

Pega-5 of 6 ON-SITE EMERGENCY DIESEL CENERATOR AND AUXILIARY EQUIPMENT MODIFICATION RECGRD Plant Name D,SEP TABLE 4 Unit.No. _i _ k 2 Equipment or Date of Reason for Modification and Proceduro Modirled Mod. Dec l a red l ep rovemen t Description or Modification - D/G Fire Protec-1/8/81 This' modification brings the D/G This modification relocates sprink-tion Building El. 23' Sprinkler System ler heads, adds flush connections and into compliance with NFPA 13. heat collectors to applicable sprink-1er heads (D/G Building El. 23'). D/G Fire Protec-11/16/79 1. This improves the response time This modification adds: tion of detection and action of the 1. Heat collectors to sprinkler AFFF System. heads and heat detectors 2. This prevents spurious trips of 2. Shields to flame detectors. the AFFF deluge valves by block-ing areas outside air intake filter from the detector. D/G Fire Protec 9/10/80 This modification complies with This modification ~ relocates sprink-tion Fire Protection Program Review and lers, adds flush connections and Safety Evaluation Report ~_and NFPA 13. heat collector uprights-(D/G Build- -ing El. 2' - oasement). D/G Fire Protec-11/17/80 NFPA 13. This modifications complies This modification relocates sprink-tion with Fire Protection Program Review lers, adds' flush connections and heat and Safety Evaluation Report. collectet uprights (D/G Building El. 2' - basement). D/G Fire Protec-10/29/80 NFPA 13. This modification complies This modification relocates,sprink-tion with Fire Protection Program Review. 1ers, adds flush connections and and Safety Evaluation Report. heat collector uprights (D/G Building El. 2' - basement). D/G Fire Protec-12/1/80 NFPA 13. This modification complies-This modification' relocates sprink-with Fire. Protection Program Review' lers, adds flush connections and heat and Safety Evaluation Report. collector uprights (D/G Building El. 2' - basement). .. J

P gg 6 cf 6 ON-SITE EMERCENCY DIESEL CENERATOR AND AUXILIARY EQUIPMENT MODIFICATION RECORD Plant Name QEEP Unit No. _t_fe 2 TABLE 4 Equipment or Date of Reason for Modification and Description or Modi fica tion Procetture Modified Mod. F;c i n rod improvement D/G Fire Protec-10/30/80 NFPA 13. This modification complies , Add drain, flush connections and tion with Fire Protection Program Review pipe supports to the D/G air intake and Safety Evaluation Report, filter AFFF Sprinkler System. (D/G El. 50') ? l

  • There are no completed modifications for 1980 concerning diesel generatora.

Page 1 of 1 ON-SITE' EMERGENCY DIESEL CENERATOR AND AUXILIARY EQUIPMENT MODIFICATION RECORD Plant Name BSEP TABLE 4 Unit No. ~ 2 Equipment or Date cf Reason for Modification and Procedure liodirled Mod. Dec l a red Imp rovemen t Description of Modification D/C PA System 12/5/77 Need PA System Install PA telephones in each of the four D/G day tank rooms. D/G Fire Protection 8/12/80 This modification is req'd to com-This modification will install three plete barrier separation between .. hour fire rated barriers around diesel the D/G cells and'the D/B Building intake and exhaust pipes where they upper level, pass through El. 50' floor. g f Also NFPA-13 req'd NRC commitment. I 4 e t O e o O .}}

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