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Forwards Supplemental Info to SER Open Item 8 Re Safe & Alternate Shutdown,Per 860729 Meeting.Listing Safe Shutdown Cables & Evaluation for Fire Area 1-AB-LC-E Also Encl
	ML20203K762
Person / Time
Site:	Vogtle
Issue date:	08/13/1986
From:	Bailey J; GEORGIA POWER CO.
To:	Youngblood B; Office of Nuclear Reactor Regulation
References
	GN-1041, NUDOCS 8608210226
	Download: ML20203K762 (84)
	v • d • e

{{#Wiki_filter:{ Georgia Power Company Post Office Box 282 Waynesbora Georgia 30830 Telephone 404 554-9961 404 724-8114 Southern Company Services,Inc. Post Office Box 2625 Birmingham, Alabama 35202 reiennone 2o5 8704oi Vgtle Pmp.t August 13, 1986 Director of Nuclear Reactor Regulation File: X7BC35 Attention: Mr. B. J. Youngblood Log: GN-1041 PWR Project Directorate #4 Division of PWR Licensing A U. S. Nuclear Regulatory Commission Washington, D.C. 20555 NRC DOCKET NUMBERS 50-424 AND 50-425 CONSTRUCTION PERMIT NUMBERS CPPR-108 AND CPPR-109 V0GTLE ELECTRIC GENERATING PIANT - UNITS 1 AND 2 SER OPEN ITEM 8: SAFE AND ALTERNATE SHUTDOWN

Dear Mr. Denton:

On July 29,'1986, a meeting was held with your staff to discuss the results of the safe and alternate shutdown analysis. As a result of that meeting portions of the FSAR will be changed. These changes are attached and will be included in Amendment 25 which is scheduled for submittal on September 19, 1986. Attachment B is a listing of the safe shutdown cables and an evaluation for fire area 1-AB-LC-E. This supplemental information was requested by your staff at the July 29 meeting. If your staff requires any additional information, please do not hesitate to contact me. Sincerely, . A. Bailey Project Licensing Manager JAB /caa Attachment xc: List attached. f k E I h

e. Director of Nuclear Reactor Regulation File: X7BC35 August 13, 1986 Log: GN-1041 Page 2 xc :- R. E. Conway (w/o att.) R. A. Thomas (w/o att.) J. E. Joiner, Esquire B. W. Churchill, Esquire M. A.' Miller B. Jones, Esquire G. Bockhold, Jr. (w/o att.) NRC Regional Administrator NRC Resident Inspector D. C. Teper W. C. Ramsey (w/o att.) L.'T. Gucwa (w/o att.) Vogtle Project File 0652V

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o l VEGP-FSAR-9A PT0428 - Residual heat removal valve pressure interlock. LV0112B - VCT isolation valve. LV 12C - VCT isolation vale. HV8104 - BAST to charging pump "A" valve. ingpumpbalve HV8439 - BAST to train "B" cha h pss w#w w PTI/7Yz ~ A'.adee service. coe y Fan 1-1555-A7-007 i erlock. h4 /er /ack, TSH112206 TSH12212 - Fan 1-1555-A7-008 interlock. Train A safe shutdown cables. Train B safe shutdown cables. I. Safety-Related Equipment 1-1213-E6-001 Train A spent fuel pit heat exchanger. J. Nonsafety-Related Equipment Laundry and hot shover tank and pump. Electric steam boiler. Chemical drain tank and pump. Clean and radioactive sumps and pumps. l Waste monitor tank and pumps. Spent resin sluice pumps and tanks. Waste evaporator pumps. Floor drain tank. Recycle evaporator feed pumps. Radioactive and nonradioactive filters Recycle evaporator package. Waste evaporator package. Amend. 15 3/85 9A.1.2-10 Amend. 24 6/86 c,-,, .n.n-_,.,.n,,-,--.,.,v,._,_,,.---r--- .,e._----,, -,n-.n,,-

VEGP-FSAR-9A Component cooling water pump 001 LSLL1852 interlock. Component cooling water pump 003 LSLL1854 interlock. Component cooling water pump 005 LSLL1856 interlock. Auxiliary component cooling water PT1956 pump interlock. "A" nuclear service cooling water PT11741 tower bypass interlock. ling ter L A "T11742 - """ nu-Aear-servi : :: tower-bypass-inter 1:=h. Fan 1-1555-A7-003 interlock. TISH12202 Fan 1-1555-A7-013 interlock. TSH12209 Fan 1-1555-A7-011 interlock. TISH12208 HVO190B I/ power converter. HYO190B 1-1203-E4-001 - Component cooling water heat exchanger "A". 1-1203-P4-001 - Component cooling water pump 001. 1-1203-P4-003 - Component cooling water pump 003. 1-1203-P4-005 - Component cooling water pump 005. 1-1203-T4-001 - Component cooling water surge tank. 1-1208-P6 007 '- Boric acid transfer pump. 1-1208-T4-003 - Boric acid storage tank. l 1-1217-P4-001 - Auxiliary component cooling water pump. 1-1555-A7-011 - Component cooling water pump "A" l l room cooler. 1 Amend. 15 3/85 9A.1.7-7 Amend. 24 6/86 6 --m---,---e-. ,,-,.-e, -,,,.s- -,,,,._m,..- _~_._,w,y,,w, - - - -, - - -o,n -e.-,-,,- e,--,an. a---., -m-,

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4 Claretication or Conrormence or CMB 9.5-1 Reauiremeny VrGP Poh Qnn JusQrjtation of O vietion t to rnadoes, hurricanes, finods, the requerements or Ntra in alg are stores, or small-intensity Se i sm 6 c Ca tego ry I s t ruc tures, ea rthquakes that a re cha racter-istic or the geograpt

region, a nd ( b ) potent ia l na ade site-related everets such as ont barge collissons or mirrrart crashes that have a reasonable probabil-sty or occurring at a specific plant sete.

The errects or lightning stribes should be included in the overall plant r a re protection program. (5) Ihe coresequences or inadvertent Partial t '3 8 the consequences or inadvertent opnrotiore or or a crack in a run rn e ma nce opera t enn or, or a cras k on, a 23 moderate energy line in the rare snelerate energy line en the rire suppression system should meet suppression system are neely the gicodelines specit eed f or analy.ed f or spray and rinoding. moederate-energy systems outside this is Justeried because contaennent in SRP Sect ion 3.fs. t. redundant temins of sa t te sheetdown MD eque i pment a re separated suele that EU enadvertent operation ni, or a 15 33 I crach on, the ri re steppresseoes g E' system well not disable beith eq UN sedundant trains or bare shutdowee gy equepment. Consegesently, safe gy thistdown con be reacheel arter pg such an event. See Sect nn g C.I.h.(8) For additional up discoession, gg C.1.d. Alternative or Dedicated Shutdown Conrnres C.I.d. Alternet tve or Dedicated Sheetdown E23 Alternative or dedicated shutdown See Section C.S.c capability should be provided whern 15 the protection or systems whose func-tions are required for sore shutdown is not provided by established fire suppression methods or by Post-tion C.S.b. C.1.e. Implementation of Fire Protection [Pjgr[ ' C.I.e. Implemeritation or rire Protection Prog rams Progress ygg g (t) The rire protection program A'---'"-- (1) The rire p otection program (plant, personnel, and equipment) (plans, p sonnel, and eqis s p. For buildings storing new reactor meset ) fo r,,;;. :: n r-Storeng new ruel and for adjacent fi re areas reactor inet and f or adjacent 13 gg that could arrect the f ue l fire areas that could arrect gg gg storage area should be fully the fuel storage eres shall be operational before fuel is fully operational before receiving .CL Eb received at the site. Such fuel at the site. adjacent areas include those ta \\\\ 03 CD Y GW ,j v i I

jj M E M fo/ M6E 98-/6) INITI AL TUEL RECEIFT TIRE FROTECTION AREA BOUNDART OESCRIPTION fsrpront*t+ p fmprary Ore enrea /$ frdv/kl I e;"4 e? for i 'tial fuel receipt and jThe ::::" ide-tifie d =e storage prior to initial fuel loading into the Unit 1 reacto /ne/E/4) fire zones 47 in the auxiliary build'ng and 139 in the fuel handling building which are part of fire area 1-AB-LD-B. Th:::

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prachealle f tfi refsbeen identified to make To the extenf prc tic 1 th::: 4 use of existing (i.e., permanent) fire area boundaries. Exceptions to this are: 1) The fuel receipt area, fire zone 47,ir figure: 1 :nd 2,Y has unrated fire boundaries on the north wall, east wall, and floor slab at elevation 220'-0". These boundaries will be subject to a fire watch at all times when new fuel is in this fire zone until the entire Unit 1 fire protection program is fully operational. 2) The fuel storage area, fire zone 139,in fign : 2,9'ha s unrated fire boundaries on the west wall at elevation 263'-3" and the south wall from approximately F, to F

6 The design and construction of these walls has been upgraded to meet 3-hr boundary requirements with the exception of the access portal and crane bay between the auxiliary and fuel buildings.

The latter are permanent plant openings which will be subject to a fire watch at all times when new fuel is in the fire zone until the entire Unit 1 fire protection program is fully operational. 3) The fuel storage area slab at elevation 220'-0" is an unrated boundary. The design and construction of this slab has been upgraded to meet 3-br boundary l r equiremen ts. 4) Spent fuel pool, transfer canal, new fuel pool, and cask loading pit walls are unrated boundaries. The design and construction of these walls meets the 3-hr boundary r equiremen ts. l These temporary fire area boundaries, fire protection equipment and procedures for initial fuel receipt are fully described in the initial fuel receipt fire protection program. N0000074/0L

'S W ~ W n r Clarifiestion of Conformance nr G8jf 8 9.5-1 mpgyl_reefntS YLCP PRS 114on _ JueLi Ucetion_oF._Doy.1e Ron_. whose fismes. bot gases, and ra re-generated toule and corrosive products may jeopardire safety and surveillance or the stored fuel. (2) The fire protection progra8er ronrnrms (?) Prior to initial fuel f oed irul, the en entire reactor unit shouldy fin i t 1 fere protection progree fully operational prior to shall be res t l y ope ra t iona l. enitest ruel loading in that reactor une t. ()l On reactor sites where there is Cnni m m. (1) the Unit 1 fire arees that contain an operating reactor end constrisc-egesipennt required for safe shut-t ion o r mud f r ica t ion n r otba r down a re sepa ra ted f rom Uni t ? sani t s i s unde r vsy, the Fore pre-areas by 3.h ra teef fire eres tecteon prneram should provide boundaries, fire protection cepe-15 for continesing evaluation or fire bility for Unit 2 will be provided harards. Additional fire by a tempo ra ry f i re wa t e r stand-barriers, fire protection capabil-pipe system manned by the const-4 4ty, and admiselstrattve controls riect ion depa rtment rare brigade. M should be provided as necessary Unit 2 administrative enntrols a to protect the operating unit will be implemented to meet y free constrisctinn fire hazards. Nuclear Mutual I imited requi re-g O ments for nuclear plant etj W construction sites as determined gn 1 8 by the loss prevention consultant, ,te l J1 4 c.7. Administrative Controle

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klesnistrative Controls 3 1D Administrative controls should be used in tgl mainteln the performance or the fire protec= L I nsi system and personon1. Ihnen controls should establish proceduras to; 15l 20 s. Prohlblt bulle stormen of combustible Conruens a. f nebuntible meterial s to rage p rem a a r. materials inside or adjacent to sarety-chnson not to be elJacent to safety-erseted basildIngs or systems deerleig related hulldings or systems, operat ion or maintenance periods. Regislatory Cuide 1.39 provides gioidance on j housekeeping, including the fle sposal or combustible meterials. b. Covern the handling and limitation of the Conforms h. The use and handflag of flammable gases, combustible and fisamable gases and sa fety-related a rent are governed by 15 g une of ordinary combustibin materials, l eqisids, and ottier combustibles in D-liquids, high-efficiency partiresInte air the administrative f e rn protection er re- % g: and chorenal f 8 Iters. dry Inn enchange esures. resins. or other combustible supplies in safety-related areas. g UD OG g +. lu w W U1 aw \\\\ meo

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M~SU%I 1 s VEGP-FSAR-9A electrical cables. While full area automatic fire suppression is not provided within fire area 1-AB-L2-A, a partial area coverage automatic preaction fire suppression system within the area protects the intervening separation distance. In addition, each charcoal filtration unit in the fire area is provided with an integral water deluge system and the partial area automatic preaction suppression system coverage includes the Train A safe shutdown cables. Providing a full area automatic fire suppression system would not significantly increase the existing level of protection provided. H. Cytrsix.e.f&c d<mper.r : A edix 9f feeAk C. 5; e.@). Sw ff 15 l r l l l Amend. 15 3/85 l 9A.1.33-9 Amend. 24 6/86 i

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O O Q s a Clari fic.et inn or Conformance nr CMtB 9.5-1 Itf2"_lf'*P"_M VLCP..Pu s i t i o.n _.Ips t if e ca t ! oes_ o r__Qcv i_ali nn_ _ residual heat removal system eatseliment arid train 8 saf n shistdown electrical catt l e s, very little hori/nettal sepa ra t ion d e s ta nce i s available between the oversite fire damper sted the tracesit safe shutatowri components. Itw evt=r. a m.ejor r.edention shield well with a labyrinth cen t rance is located between the overs.ie I ire damper and the Ides t ion or f i re a rea 9-Alt-t D-A conta iniec tive safe shistdtwo eg ipment, liscoe are twn cable trays or nther enohiestible ma te r i.s t s cif signi f erarires at level 1 of f i ro a rea 1-An-LD-B M so the e mmess ia te vecinity or the overslZe g3 g gg r e re damper. 7,pggjff// wtwres a fi re damlier is installed g 4"f p en a siegative pressure boesndary p f i re ha rrier or its the control runs botunda ry fire ba rrier, the elap between the ra re d.emper g sleevo clustere and the fire g ha rreer and the opt nings in tlie st. itch welded attarheent of the closure to the fire afamper sleeve is caselhed with a fire sesistive material to provide an airtiglet scal. This seal is proveded to meet regisirements associated with accettent analyses for which the plant must be designed to experlevice. the enielking matoreal is not placed between the damper sleeve assembly arid the barr icr which could restrict thermal growth of ~ the assembly dioring the postulated fire. T he rma l growth or the damper sleeve closure 35 Ef tsra ng the ri re i s a l so riot 4 3 .Os N LJ. .h \\ co Q 'M w

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VEGP-FSAR-9A W. Fire Suppression 1 1 Automatic Zone 58 - No zone coverage. ) ~ \\ Zone 80 preaction sprinkler system - Partial zone coverage. Zone 138 - No zone coverage. 2. Manual 'I Hose stations (with portable extinguishers) are conveniently located to each area. Any location can be reached with at least one effective water stream. Independent Seismic Category 1 dry standpipe system provides alternats source of water for post-SSE fire fighting. 24 O. Radioactive Materials None. P. Ventilation ) Smoke can be removed using the normal ventilation system in a once-through only mode of operation. For areas isolated by fire dampers, amoke may be removed by portable fans using flexfble tubes to direct the smoke to an area capable of being ventilated or directly to outside. r- 'Q. Drainage A flooding analysis has determined that drainage from the fire areas is adequate. ) R. Emergency Lighting 8-h-rated battery fixture (s) provide safe ingress / ogress of personnel. 8-h-rated battery fixture (s) provide the capability to operated breakers in 480-V switchgear INB08, INBO9, ) INB10. The mechanical ventilation system which could be used to remove smoke from this area may not be operational ) y_,-{ because electrical cables associated with its operation are located in fire zones FO sad /78. 5 9A.1.40-6 Amend. 24 6/86

l) VEGP-FSAR-9A N. Fire Suppression 1. Automatic Zone 59 - No zone coverage. ) I Zone 69 - No zone coverage. I Zone 72 - Total zone coverage, s Zone 73 preaction sprinkler system - Partial ) zone coverage. Zone 143 preaction sprinkler system - Total zone coverage. 2. Manual Hose stations (with portable extinguishers) are 24 conveniently located to each area. Any-location can be reached with at least one effective water 15 stream. Independent Seismic Category I dry atandpipe system provides alternate source of water for post-SSE fire fighting. O. Radioactive Materials None. P. Ventilation Smoke can be removed using the normal ventilation system in a once-through only mode of operation. For l areas isolated by fire dampers, smoke may be removed by l portable fans using flexible tubes to direct the smoke l to an area capable of being ventilated or directly to outside. ,) w f Q. Drainage / A flooding analysis has determined that drainage from the fire areas is adequate. R. Emergency Lighting l 8-h-rated battery fixture (s) provide safe ingress / egress of personnel.- gYe[WWW s)l e mechanical ventilation system which could be used to remove amoke from this ar may not be operational J because electrical cables associated with its operation ~ are located in fire zone 7A, j -~~ 9A.1.42-8 Amend. 24 6/86 l 2-.

i l ( VEGP-FSAR-9A ~. M. Fire Detection The following type (s) of fire detectors are installed { within the area: Zone 96 j Ionization smoke detection. {' N. Fire Suppression l 1. Automatic Zone 96 Halon system - Total zone coverage. 2. Manual Hose stations (with portable extinguishers) are conveniently located to each area. Any location 24 can be reached with at least one effective water 15 stream. Independent seismic category 1 dry standpipe system provides alternate source of water for post-SSE fire fighting. 7 O. Radioactive Material l None. P. Ventilation Smoke can be removed using the normal ventilation system in a once-through only mode of operation. For areas isolated by fire dampers, smoke may be removed by portable fans using flexible tubes to direct the smoke to an area capable of being ventilated or directly to outside. The mechanical ventilation system which could r' be used to remove smoke from this area may not be operational because electrical cables associated with o its operation are located in fire zo 96. Q. Drainage f-A flooding analysis has determ ed that drainage from 4 the fire areas is adequate. 2[WrlMY p (. Amend. 15 3/85 9A.1.73-3 Amend. 24 6/86

s '; VEGP-FSAR-9A i .) o. Radioactive Materials None. ~ P. Ventilation smoke can be removed using the normal ventilation system in a once-through only mode of operation. For areas isolated by fire dampers, smoke may be removed by portable fans using flexible tubes to direct the smoke to an area capable of being ventilated or directly to outside. u f Q. Drainage A flooding analysis has determined that drainage from the fire areas is adequate. R. Emergency Lighting 24 8-h-rated battery fixture (s) provide safe ingress / egress of personnel. 15 8-h-rated battery fixture (s) provide the capability to operate breakers in 480-V MCC ANBC. 1 i S. Deviations and Justifications Unrated exterior fire area boundary: See Appendix 98, section C.S.a.(1). i (tasel l'fM// W V ( The mechanical ventilation system which could be used to L_J remove smoke from this ar ta may not be operational because electrical cable associated with its operation are located in fire zone 175", ) ) b, t j Amend. 15 3/85 9A.1.101-4 Amend. 24 6/86 l

? 7. i... I VEGP-FSAR-9A Independent Seismic Category 1 dry sta dpipe system provides alternate source of water for post-SSE fire fighting. ~ O. Radioactive Material None. P. Ventilation Smoke can be removed using the normal ventilation system in a once-through only mode of operation. For areas isolated by fire dampers, smoke may be removed by portable fans using flexible tubes to direct the smoke to an area capable of being ventilated or directly to outside. Q. Drainage A flooding analysis has determined that drainage from the fire area is adequate. R. Emergency Lighting B-h-rated battery fixture (s) provide safe ingress / egress of personnel. S. Deviations and Justifications Unrated exterior fire area boundary: See Appendix 93, Section C.S.a.(1). h G[utf"'tA The mechanical ventilatio system which could be used to ' remove smoke from this ar a may not be operational because electrical cables associated with its operation are located in fire zone 6749, i _j Amend. 15 3/85 9A.1.105A-5 Amend. 24 6/86 ,,_,.__,y y--.

i i l ) SAR CHANGE NOTICE "f*ff,Z"'"

3. NO. I hi I.

2. DISCIPLINE PSAR CHANGE NOTICE h FSAM CHANGE NOTICE OTHER I

' #'bs - = -5.DATE ORIGIN ATOR _ _ 6. REFERENCED SECTIONS OF SAR %C./ [ysgir q.c,t-d tre w s 7., DESCRIPTION OF CH ANGE UNM7E TH8tf 7/ s;prmsy hym dwMtV.cn ATTACHMENTS PSv!FfD TMdw 99,p1 R EFERENCED SPECIFIC ATIONP. OR DR AWINGS 8. dd/CWJ#7M*/; y4eJ10/fp@ X1CMof601 XYCMeffl0 YYC73*/S // I ATTACHED l 9. JUSTIFIC ATION BELOW Accuxnrrs Y KrftEt7 perne ppws prwt \\ l ,.y... - - - _ _... _, .,.,,-......,,..._.._.--..w-,-

( ~ ~~ }.y TA!LE 9.5.1-3 SAFE SHUTDONN FUNCTION SUCCESS PATHS Success Pethe runctlen Pursese Prorerred A9torneto Reactivity control Shutdown reactor to Control rod insertion Control rod insertion reduce host production rollowed by boration rollowed by boration free l' rom BAST RWST with head vent system letdown. l RCS Inventory centrol Heep. core covered Charging with letdown S 9'a= s,reh smea- - M Isolation !;;:: '= ' r ' ^r m;;; * -9e%hY. RCS pressure control Melnteln subcooled Pressurizer heaters" Cha SNifdf earsin A>sd code sdety vnWes valves er reRV'.s er togy's core heet removal Trenarer er heet to Reector coolent pumps" naturel circulet1== 1 n sk cede sdely valves alo m uitf ) Rcs heet removal Trensrer er heet from RCs temperature >350*r: s temperature > 350're ~ cooient l Auxiliary reedwater xiliary reedwater sys-e, i syntes and esin stese tee and esin stese t4-l l bypass control *l RCS power operated roller 23 C. tempe ra ture < 350*F: volves. RCs temperature 9 j Shutdown cooIIng jgFyy-gfg :: 5% L 4 { ' ~~[sik['ds /referrtf} h Meintenance er vItoI MeIntein operobIIIty er OrrsIte power, neresI OnsIto powee, es.....ie1 humi lleries necessary support HVAC, permal cooling HVAC essential cooling 8:s j systems and chilled water, and chilled water, etc. 1 etc. 8 { G4 Mt $* del Htivts f l l I D s i i g l 4 6 1 M ta i l 4 m ( g. I i em o. Preferred pet'h not sotuelly evaluated. Alternete path is redundant'and'Is assured to be operehte j es with or without otraite power. d 1' i 4

m A ey.. t \\ ""5fv"J,5?."'" SAR CHANGE NOTICE 78I i. nee #*'<"/

3. ~ O.

2. =i=CiP'iN E O r=^= caa===

oric= % rsAR CHANoE NOTICE OTHER a. 5.DATE_ / ORIGIN ATOR 7 s e'*8*NNEO*l REFERENCED SECTIONS OF SAR SEcrio4 9..C./, Affpupir 9Ar, pp /Wrapir94 Abp MSE f.1, /-yr 6. 7., DESCRIPTION OF CH ANGE ill'MTE THE f/RE UMZAMDC MYr/C 70 ADpMfYS ffEMwks

Pf4wG 0F MV-frova, fr rfoyf, pgyp rff Excrer ter)mewb K44rw VMs s't coraxec.7-,yireatt M tokt 77/V6M/*C#'

f*Nf A'VO,C/A M/FY Por/79C to REfoid NAC t CMicfMN.r. puo coseA:fcrF F/M Athr4 /- A S ~/ O ~s t r0 / a;**ws-rn+< u rne~

t jger so snrs twurpow" cM cable construction, as a minimum, meets the Institute of Electrical and Electronics Engineers (IEEE) 383-1974 flame test, except in a l 23 C-limited number of places, as outlined.in appendix 9B. Additional fire protection for concentration of cables is provided as required. Cable insulating materials which do not create hazardous concentrations of corrosive or toxic gas when overheated or when exposed to flames are used to the extent practicable, as detailed in appendix 9B. Cable tray construction materials are noncombustible. Cable trays and conduit are used for cables only; miscellaneous storage is not permitted in cable trays, raceways, trenches, or culverts. Piping for flammable or combustible liquids or gases is not permitted in areas of heavy cable concentrations. l23 Interior transformers are of the dry type. r Cable and cable tray penetrations of fire barriers (vertical y and horizontal) are sealed (fire stops) to give protection at least equivalent to that required for the fire barriers. 23' Fire protection for areas containing cable trays is achieved in the design of the plant through a combination of the following (detailed in appendix 9A): A. For early warning of fire conditions in the cables, smoke detectors are provided for all safe shutdown gl ep54%4 cable tray runs throughout the plant. Line-type de tors are provided in mak-safety-related cable l 2 rays nd those cable trays containing Aeater cables l e inside containment. yessu$ tor B.. For control and minimization of fire, effects, either in case of significant cable fire loading within the same safety train or for congested runs of cable trays, automatic suppression systems located above the trays and manual backup capabilities are provided. 'C. E nti ele ric c es de gne to l 1w et i gwi o elei 1 aq I 9.5.1-11 Amend. 23 4/86 l O VEGP-FSAR-9 system heads open upon a rise of ambient temperature to the melting point of fusible links on sealed sprinkler heads; thus, fire extinguishing flow through the spray heads is established. Once initiated, system operation is terminated by manually l shutting a local, valve at the preaction valve. g23 Inadvertent manual or automatic operation of the preaction valve, due to release failure, is detected by a system actuated alarm. The impact of inadvertent operation of suppression L 3 systems is minimized through the following design features: l23 e All suppression systems in safety related areas are either Halon or pre-action sprinkler systems e All sprinkler system piping in category I structures is designed for SSE loads Redundant safe shutdown equipment is located in separate l e fire areas to the extent practical ~ l23 15 Sprinkler heads are passive components, and only one e head is expected to fail at any one time. 23 Drip-proof motors are installed on safety-related e pumps. Where the safe shutdown analysis takes credit for distance separation between redundant safe shutdown components in the 23 same fire area, the existence and orientation of intervenin'g structural components are reviewed in consideration of the possibility for damage durir.g manual fire fighting activities (i.e., fire hose stream dpmage). ,tw 3 sesa, Failure of one detector to sense fire results in no adverse effect, since alternate detector (s) remain functional to sense the fire and release the system. In the event of a pipe break, no adverse effect results, since the system is dry within. 9.5.1.2.2.10 Water Spray Deluge. Water spray system operation is initiated by an electric fire detection device. This senso-detects a fire and releases a tripping device to'open the deluge valve, thus supplying water under pressure to the open ,.{ spray heads. Actuation of the fire detection device also . hsj initiates a local alarm and registers the alarm condition on an,QA *

e/ecb/cnrl Ce ft-bTy ak q-Qg e4e/dcal caWe Suthy Amend. 15 3/85 9.5.1-17 Amend. 23 4/86

O VEGP-FSAR-9 ^( 3. A design basis accident or phenomena occurring simultaneously with a fire hazard is not assumed. E. Fire Event Safe Shutdown Evaluation Methodology 1. Define safe shutdown functions (See table 9.5.1-3) 2. Define systems / equipment necessary to accomplish functions. (See table 9.5.1-1). 3. Define equipment locations in plant by fire } zone / area. (See table 9.5.1-1). 4. Define cables required to make equipment operate. 5. Define cable locations in plant by fire zone / area. 6. List circuits / components for each fire area. 7. Evaluate separation by fire area. a. One train of equipment / cables free of fire damage,,__ _ - ; _. - N r ' -2 ^ ",'_^ ~[ Separated by 3-h fire barriers. e 23 e Separated by 1-h fire barrier with fire detection and automatic suppression and with no intervening combustible materials. e Separated by 20 horizontal ft with fire detection and automatic suppression. Separated by nonconbustible radiant energy e shield (inside containment only). b. Equipment / cables required for cold shutdown capable of being repaired so as to achieve safe T shutdown within 72 h. / c. Where separation per above cannot be achieved use alternative shutdown capability (main control room). ) 8. Evaluate associate circuits a. Common power source. b. Common enclosure. )

((

c. Spurious actuation. r 9.5.1-28 Amend. 23 4/86 l ar ar k TABLE 9.5.1-1 (SffEET 2 0F 38) { i 1 Power Hot / Cold C.R. Fire Lecetten 1ee flueber DeserietIo't 3SO TRI! 1_ItM/_CHj, Shutd_ovr; J_soIetIon F I re Aree r_[r deone l MV-04428 HV-04428 t/ Power converter 8 h Both Yes 1C8L90 60 l Prgssurizer PORY block valve (3 NY-8000A A A Both Yes ICTE 140 MV-80008 Pressurfrer PORY block Velve 8 8 Seth Yes ICTS 140 MV-8145 CVCs euxillery sprey volve N/A 4 (2) Both Yes ICTS 140 i: NY-8145 Auxtllery sprey volve solenold N/A N (2) Both Yes ICTS 140 4 LT-0459 Pressurizer level A 1 Both No ICTS 140 LT-0460 Pressurfrer level 8 2 Both Yes 1CT8 140 t Pl-0403 MCS wide range pressure 8' 8 Soth Yes ICTS 140 PT-0405 RCS wide range pressiere A A Both No 1 CTS 140 PT-04108 RNR velve pressure interlock A 3 Cold No (3) 1ASLOC 26A g PT-0418 RHR velve pressure Interlock 8 la Cold No (3) 1ARLDS 27 [ 23 PT-0428 RNR velve pressure Interlock 8 2 Cold No (3) 1A8tDS 27 In PT-0438 RHR volve pressure terlock A 1 Cold 100 (3) 1ABLDC 26A PV-0455A Presserfrer PORY A A Both Yes ICT8 140 PressurfrerPORY(34) j PV-0456A 8 8 Both Yes ICTS 140 RE-13135A R.C.,1.97 neutron Flux cheeber A A Both flo ICTS 140 RT-13135A RC 1.97 neutron Flux A A Both No IC8tST 61 transeltter RE-131358 RC 1.9710eutron flint cheeber 8 8 Both Yes ICTS 140 RT-131358 RO 1.97 Neutron fium 8 8 Both Yes IC8tBO 62 yy transeltter TE-0EI13A RSC T-hot wide range loop 1 A 1 Both No ICTS 1404 uu 6 ta e. sourious actuation concern only. a m m. g n. I e w s % ru, , m, ~~., a 1 TABLE 9.5.1-1 (SHERT 4 OF 38) Powe r ' Not/ Cold C.R. FIes Location Tee Numbde Descriet ion $$0 1RN TRN/CHL Shutdown Isolation Fire Area Fire Zent Cheelcol sn6 Volume _ Control System 1-1208-[6-001 Regenerative hwat exchanger A N/A Both N/A 1 CTS 140 1-1208-P6-002 Chorging pump "A" A A Both Yes 1AOLCO 20 1-1248-P6-003 Chorging peep "B" 8 8 Both Yes 1ABLCE 19 1-1208-P6-006 Boric acid trenster pteur A A Both Yes 1ASLOJ 6 1-1208-P6-00T Serie ocid trenerer piano 8 8 Both Yes IASLOS 3 1-1208-781-003 Beric acid steroge tank A, 8 N/A Both N/A 1ASLOG ] 1-1204-T4-001 Norueling water store 9e tank A, 8 N/A Both N/A titSPLAS ISO 23 I 1-120ll-VG-001 Baron injectlen tank (BIT) A,.8 N/A Both N/A 1ABL85 171 l l FT-0121 CherTing line flow N/A (5) N HOT No 1A8tDO 140 FY-0121 CentrIrugeI chergIng pump Flow N/A (5) N HOT No 151APO 21 4 Y control valve i og. e 95 l FY-0121A FV-0121 t/P converter N/A (5) N HOT llo 1ABLDS 140 g l IfV-0190A TRAllt "A" borstlen path vreve A A Both Yes (6) 1AOLAD 390 E l OfY-0190A OfV-01904 s/ power eenverter A A Both Yes (6) 1ASLAD 390 l MV-01908 TRAllt "B" borstlen path volve 8 8 Both Yes (6) 1ASLOS 14C hd NY-01908 NY-01908 t/ power converter 8 8 Both Yes (6) 1ASLCE 19 NY-8103A NCP 1 seel water inlet volve N/A (5) B NOT llo 1ASLA0 390 i . IICP 2 seel water inlet velve N/A (5) B NOT les 1AetAO 390 t { MV-81038 j, IfV-8103C IICP 3 seel water inlet volve N/A (5) 8 000T les IF9tCA 132 l ifV-81030 RCP 4 seat water inlet volve N/A (5) 8 HOT Ito 1FsLCA 132 1 1.12, NY-8104 BAST to charging pump "A" velve A A Both Yes 1AOLOS 38 I j '*8 NY-8105 Train "A" charging poth velve A (7) B 8eth , Yes 1ABLAO 390 Y em ' m13 ws le$Anansi. hea.5 e.tW. p/A N N/A AO ICT8 /408 lN digt, vs]Vt. ? \\ at-w13 ke n le% ^"I **1 "I^ "lA A' dipe. wive. soMM. Spnou aekatio,. concem. only. a. g g 'Q 0 'sf% j e e, j l t TABLE 9.5.1-1 (SffEET 5 OP 38) ISS llgeber Descristlen Power Mot / Cold C.R. l' Ire

Locetten SSO TRM TRM_/gE s_hy_g Loyg Joofetion l' Ire Aree f_f.re._Zene OfV-8110 Seel water heet exchanger velve A, 8 (8) A Both Yes 1ASLBA 34 i

MV-8111A TreIn "A" eintflow weIve A B noth Yes 149tCO PO 3 ! IfV-81115 Train "O" siplPlow volve B B 90th Yes 1ASLCE 19 MV-8116 Train "A" beration path velve A A Both Yes 1A8 TAO 390 i NW-8146 Isereel charging path velve A A Both Yes ICTS 140 l V-0460 RCS noruel letdown isolation 8 M (2) Both Yes 1 CTS 1400 i volve (9) LY-0460 flCS potest letdown solenoid (9) B N (2) Both Yes 1 CTS 1408 24 l LY-0499 ItCs norest letdown feeletion A N (2) noth ves ICTs 140s i valve (9) i i LY-0499 ftCS normel letdown solenold (9) A' N (2) Both Yes 1 CTS 1405 g* MV-8438 Charging pump "S" to PD pump B B Both Yes 1AOLCE 19 j veive l MV-81139 BAST to trein "8" chorging pump B B Soth Yes 1AOLOS 38 I g3 eagt l j velve t MV-8471A ChergIng pump "A" sectten weive A A Both Yes 1AOLCO 20 j sly-84715 Cher9fng peep "0" sectlen volve B 8 Both Yes 1ASLCC 19 i MW-848SA BIT to charging peep velve A A 80th Yes 1ASLCO 20 i f l IIV-84850 Train "B" borstlen path velve B B Both Yes 1AOLCE 19 l MV-8508A Trein "A" einirlev volve A (10) A Both lee (11) 1ABLCO 20 MW-OS088 Train "A" sinirlev volve 8 (10) B Both lee (11) 1ASLCE 19 p; ya MV-8509A Train "B" einirlow volve A (10) A Both see (11) 1AOLCC 19 I. Mv-8SO95 Trein "s" alniffew velve B (10) 8 Both No (11) 1ASLCO 20 g LT-0102 '9AST level. 'A (12) 1 Deth IIe (13)

1ABLDO 3

i) LT-0104 . EAST level s (12) 4 soth me (13) 1Astne s My-sl53 heess lethis*kti*' V*I uk (*) M U/A 'rio (2+) Ic7s 14Q i ? HY-163 Escess le% is*M*' r N/A-) N ?lA tio ( u ) ICT6 140B l' N N N/A Mo M). ICTB 14o8 l Hy. gas 4 Escess IclA** ',,ggg7n valve y/g - y gj No yy ~ Icro 1406 gg_ g,p yeass Iew isolas;*~ 1/dv' M/A N celeA A,. SpLrieu.s A& Ion-COlteern. On$ * \\ f l 0 I

u. *

m..a s

e TABLE 9.5.1-1 (SHEET 22 OF 38) Power Hot / Cold C.R. Fire Location Tao Number Description 4 SSD TRN TRN/CHL Ehuiduyg isolation Fi re Area Fire Zong 1-2403-P4-001 D.F.O. storage tank guaerff - I24 A A Both No IDPSA 165 1-2403-P4-002 D.F.O. s'torage tank pusj8 A A Both No 1DPSA 165 1-2403-P4-OO3

0. F. O. storage tank fud/

8 8 Soth No (27) 1DP88 166A 1-2403-P4-004 D.F.O. storage tank fWw/ B B Both No (27) 1DP88 166A 1-2403-P5-DC1 Diesel generator panels DCIA A A Both Yes IDBLIA 161 y 1-2403-PS-DC2 Diesel generator panels DG1A A A Both Yes IDSLIA 161 1-2403-PS-DG3 Diesel generator panels DC1B B B Both Yes 108L18 162 1-2403-PS-DG4 Diesel generator panels DC1B B B Both Yes 1DSL18 162

L i

1-2403-T4-001 D.F.O. storage tank A N/A Both N/A 1DPSA 165 1-2403-T4-002 D.F.O. storage tank B N/A Both N/A 1DP88 166A ] 4 1-2403-T4-003 D. F.O. day tank A N/A Both N/A 1DSLIC 163 7 1-2403-T4-004 D.F.O. tank 8 h/A Both N/A 1DSLID 164 hl j g i LSH-9020 D. F. O.A t p Interlock A A Both Yes (26) 1DSLIC 163 7 LSL-90?O D. F. O.4 pump Interlock A A Both Yes (26) 1DSLIC 163 LSLL-9020 D.F.O. Inte rlock A A Both Yes (26) 1DSL1C 163 = LSH-9021 D.F.0 t Interlock 8 5 Both Yes (26) 1D8L1D 164 /s** LSL-9021 D.F.O.A Inte rlock 8 8 Both Yes (26) 108L1D 164 N LSLL-9021 D.F.0 pump Interlock 8 8 Both Yes (26) 1D8L1D 164 1 24' t-m. iUU .I. i & LJ m. 'O' m co f your Fox rat ] ~ 9.st-i reter ze orse) \\ 98, Operalilfly d /k presrurw-PORVi nof reguaed 6, a-pre iar,we'

4.

is ffeCYgr/ggr cpg (g fafef L'et hin **t.t>N 7 L l valas and' Ka-reacAr-vern/ /aad ve></y /etofm e prfl.1 acl/r'&&~a/ eVer-fress <rira45, are yro/ech'm /'eafares Pe 4 reaelo'* ceh/ rydea. re ere.d spaci ur eyeay pf a. fresrurIw-f'ORl/ etzurs, cbrure-of fle. frersur/w fonv 4locA V' /re-a w n/ /cr>*ri % :le' tLa /oss of reec4-ca4xf IArre-rb W We 0:rL rysle n pretrw < M y da,~a y /i/y, yte c/uol Foxv 1/-ck va/ve. - can Opera 4i oper ebe ac/fe"s la cle ewy <se-l Th-PORv (fath cfosec/ v Art of prow <<) ,vay b<- x.eserrary, 1 l l l l l .-,----,~~.,_.,._..m--

~

~~. m O ) Q v' TABLE 9.5.1-1 (SHEET 38 OF 38) 19. Opterat ion of the remote f.htetdown pancI t ra tis te r o f r.ont ro l switch does not preclude e.peerintes actosa t ion, local Ireaber tris.piet<l may be s cqui red tai precitulo spearloets up**seipal, f.nca l valyc cont:1)I m;iy be requi rcel to control I.CS heat removal. 20. For a rire at tIee valve, stopping or the main reedwa ter pumps may be requi red. 21 f or a control rocci fi re, isolation of the main reedwater to tite steam generators may require breaker opening at local power supply panels. 27. For a control room f i ro, uso loca l t a nl< level indicators 1.1-5100 and 1.5 'i115. 23. To initiate hot leg reci rculat 6on, Incal manual openleig or 118-8 8140 may be requi red. 288 For a contol room rire event, valve deonorgitation at its power stepply panel may be required. 25. For a control room Firo event, valvo doenergizalon and local manual a lignment may he requi red. 26. Device and its electrical circultry are totally independent or the ceintrol ecom. 27. Local starting or dovico at the power nispply breaker may he required. 28. Not required for a coritrol room firu. l5NCE*T' Atrn9cHfDj g' IT in I to 3 De 0620V u b3 h \\ as m e --4e__--_ _--.a__ 4 a a h$$W hb ?$$ $*(el$ Mffr u of/C CubsecNn 2-4,1 - Sw#e dekobrs forskfed le tLs. mm'a cow /rst herra/ ar tweerre/ e & W Y tF&ws'k R$8fM*r ldh J ,*eaa1 frwWad A mweise 1%.parr 4 w, of 4 dsheb frem e x k /~ s fle-Jnhrar oF 7L. Aavd' ad deca'~y .rafJy enh tAa>ua. ,4h w ke/a 4d es,~p/r pandw' 7 %rt/&fra 6 e//du free k reac4 krecewed' owoA de l t l i w--,-,. e<wn,,,-n,-,,-,--,-,----,-e,---,--r- s e VEGP-FSAR-9 TABLE 9.5.1-9 (SHEET 11 OF 16) (,, program and VEGP technical specifications. This deviation is justified based on the fact that the supervising station is constantly attended, the system is electronically supervised, a roving watch (with other duties also) is always in effect and loss of the supervisory signaling function annunciates horns locally and in the control room. ,-) Subsection 2-4.5: This subsection is not applicable. Subsection 2-6: Power supply sources designed in accordance with NFPA 72D-1975, Section 2220 per CMEB 9.5-1. Subsection 3-4: This subsection is not applicable. Subsection 3-6.2.2 - Trouble signal is initiated for abnormal condition of valve position loss of supervisory circuits, or low air and pressure; restoration to normal condition turns off the trouble signal. Subsection 3-6.4.3A and B - These subsections are not applicable. s.- Subsection 3-6.4.3.C - This subsection is not applicable. Subsection 3-6.4.4 - High and low water level are annunciated; restoration to normal water level will turn-off the annunciation. Subsection 3-6.4.5 - No temperature monitoring is provided because climate conditions are such that tank freezing is not a problem. Subsection 3 This subsection is not applicable. Subsection 3 This subsection is not applicable. I Subsection 3 Class A initiating devices as defined in ~ NFPA 72D-1975 is used in accordance with CMEB 9.5-1. 'dEh Subsection 4-4.2 - This subsection is not applicable, r-Subsection 4-7.3 - This subsection is not applicable. NFPA 72E-1982, AUTOMATIC FIRE DETECTORS W Chapter 6 - This chapter is not applicable. 5 l Section 8-2.1.2 - This is not applicable. l MYY MM Amend. 20 12/85 .~ ~ ~ e HALON 1301 SYSTEM OR SPRINK LERS PRE ACTION SPRINKLER SMOKE OETECTOR a g PREAC N (- g,p p ^ AUTOMATIC ISOLATION SU v VALVE VALVE g 1 1y f WATER F"6 / SUPPLY Ed l !E I d5s SwiTCN ^'" I '*********** POSITION INOICATION PRr$SURE tao ustE SicNAt g-g(N (NOTE 3) 4 l TO CONTROL ROOM 6 g O, g IFULL OPEN) l 23R

l 1ST ALARM l

5 ES$1 N g-- _ _.-- 4,UP 4-. 2NO ALAR 9 g NG HVAC PANEL l PANEL (L$ipl g CHARCOAL l l= -- - - % TnOUsLE PILTER \\ \\ l~ go n

i l,,,I fi '-+0 ^'m^""

M il1 m. 5l bid $g! 12o vTCM.. _s uuxtu mo-s *Tras E 24 HOUR SATTERY DaPLM ag<* f 0

I El I

g hlI L ~ ~N = i I FIRE CONTROL l CUSS A ALARM CMSS A I 3l MULTI. goog 4 SIGNALING "" "" " " 4 PLEXER CENTRAL SYSTEM FIRE ALARM C l y COMPUTE R CONSOLE ei g g--+ I 1 i ________t + g g 2 WIRE l .E 120 VAC 39 24 HOUR tesesself l k BATT ER.IE.S l l

1 b

i 1.- - - _"- - ZOy[, a n""" M %. " v y (S MAY BE W ED1 D TECTOR CIRCUITS) e l - - - - -. - -.4,,,P A N E L ILIIP' I' $ - E. M -- ZONE SMOKE OETECTOR BELL i 4w 4W aw - -- - -- _R.E l OETECTORS ZONE SMOKE NOTES: 2 WIRE freac M k l !g $l 120 VAC UPS 1. aftopeesen Valve automatics MULTIPLE DIESEL jl jl [ tripped on trouble in the Wire GENERATOR BACKUP n n cie System Actuation Circuit. (NOTE 2) -l -l (. 2. Remotely located LZIPs are pro, f f g wided yith 24eatteries, ol o og 3. Per NFPA 13 Air Pressure Monitor. (LDC) $l g g gj ing is provided only on sprinkler sys-LOCAL e t.ms.nn mor. inan 2o sprin=i.r +.-----*--8 OiSPLAy 4 _ _ .-. - - l l CABINET + " * " " " " " " ~ ~ ~ ~ ~ Amend. 15 3/85 C. CIRCUIT ARRANGEMENT FOR LOCAL yog7tg AND REMOTE DISPLAY OF DETECTION l ELECTRIC GENER ATING PLANT Georg. Power l a unit i 4No uN TZ AND SUPPRESSION SYSTEMS f FIGURE 9.5.1-3 433-9 A//L fo sa.feiy igcetion.ptuys vn/ve. }/v flog 8 Any C, Op~ due -lo o. fire in -tDs Are area.. ~ VEGP-FSAR-9A \\. 3. Spurious actuation considerations: CVCS control tank outlet valve LV-01128 may a. close due to a fire in this fire area. k. ~ b. Train A residual heat removal (RER) system vent HV-10465 may open due to a fire in this fire area. , f-c. The Train A charging path containment isolation

(~3 valve HV-8105 may close due to a fire in this fire area.,

d. CVCS Train A charging pump miniflow valve HV-8111A may close due to a fire in this fire area. M. Fire Detection The following type (s) of fire detectors are installed 2-within the area: 15 Zone 9 Photoelectric smoke detection. e Zone 11B Photoelectric smoke detection. N. Fire Suppression 1. Automatic Zone 9 preaction sprinkler system - total zone l coverage. ( Zone 11B preaction sprinkler system - partial zone coverage. 2. Manual Hose stations (with portable extinguishers) are l( conveniently located to each area. Any location can. be reached with at least one effective water t stream. Independent Seismic Category 1 dry standpipe system provides alternate source of water for post-SSE fire fighting. { i l Amend. 15 3/85 j i 9A.1.1-7 Amend. 24 6/86 i j CVCS voluma control tenk outlot valva LV-Oll28 mcy cloos duo to o firo in thic / area. VEGP-FSAR-9A 'h. Main steam atmospheric dump valve, PV-3030, may open due to a fire in this fire area. i. Train B RHR heat exchanger bypass valve,, FV-0619, may open due to a fire in this fire )* area. M. Fire Detection The following type (s) of fire detectors are installed

)

within the area: Zone 12 - Ionization smoke detection. - Photoelectric ' smoke detection. 24 - Electric heat detection. - Manual pull station. Zone 24 - Photoelectric smoke detection. - Electric heat detection. - Manual pull station. Zone 25 - Ionization smoke detection. Zone 27 - Photoelectric smoke detection'. - Manual pull station. Zone 28 - Photoelectric smoke detection. b' - Manual pull station. Amend. 15 3/85 9A.1.2-18 Amend. 24 6/86 _._.-_.__..___,__,,_..-_-_.,__-.._...,.,.r 7.__ b Kl/R. lo 6VCS dituf"j P*YS VAlVe //lf-Prom y g o p n a u to

a. m. rn ais fr, a ara.

VEGP-FSAR-9A Heat release - Fixed combustibles 18,405,400 Btu - Transient combustibles 800,000 Btu Combustible loading 73,303 Btu /ft 8 Fire severity (wood equivalent) 55 min. f' ~ L. Evaluation of Safe Shutdown Capability 1. For a fire in this area, use safe shutdown Train B.. 2. Special operational and design considerations: None. 3. Spurious actuation considerations: 24 a. CVCS charging pump common mini-flow valve, HV-8110, may close due to a fire in this fire area. ..M M. Fire Detection The following type (s) of fire detectors are installed within the area: Zone 8 - Photoelectric smoke detection. Zone 10 - Photoelectric smoke detection. N. Fire Suppression 1. ' Automatic Zone 8 preaction sprinkler system - Total zone coverage. (. i Zone 10 preaction sprinkler system - Total zone coverage. 1 i l Amend. 15 3/85 9A.1.4-3 Amend. 24 6/86 l 1 i VEGP-FSAR-9A C I 1-1208-T4-003 - Boric acid storage tank., 1-1217-P4-001 - Auxiliary component cooling water Pump. ) 1-1555-A7-011 - Component cooling water pump "A" room cooler. 1-1805-S3-ABD - Class 1E 480 V MCC 1ABD. 1-1217-E4-001 - Auxiliary component cooling water I heat exchanger. Train A safe shutdown cables. Train B safe shutdown cables. I. Safety-Related Equipment 2 1-1206-P6-002 - Train B containment spray pump. 15 1-1555-A7-010 - Train B containment spray pump + ESF room cooler. 1-1208-P6-001 - CVCS positive displacement I charging pump. 1 1407-P5-SGS - SGB isolation rack. riA ig gn nment hydrogen monitog 1-1513-P5-MMA 1-1205-V4-001 - Train A RHR encapsulation vessel. 1-1206-V4-OO2 - Train A containment spray encapsulation vessel. l-/A04-M M3 - Trn.7r A sdefy if eef;s4a.y J.. Nonsafety-Related Equipment ) ~ 1-1215-T4-001 .CCW drain tank (not required + for CCW operation). I 1-1215-P4-001 - CCW drain tank pump (not required for CCW operation). 1-1407-E6001-E6008 - SGB heat exchangers. Sumps and sump pumps. ) Amend. 15 3/85 9A.1.7-8 Amend. 24-6/86 _. -_ ;.3 +..-.. I C- -)

15. Zone No. 54 Fixed combustible quantities Cable insulation (equivalent

-) hypalon value) 5,850 lb Charcoal O lb Cellulosic materials O lb Oil / grease .O lb Plastics O lb ) Rubber goods O lb He'at Release Fixed combustibles 46,801,780 Btu Transient combustibles 800,000 Btu 2 Combustible loading 19,50,9 Btu /ft 24 Fire severity (wood equivalent) 15 min 15 ~ L. Evaluation of Safe Shutdown Capability 1. For a fire in this area: a. Use safe shutdown Train A if the fire is in fire zone 14C. b. Use safe shutdown Train B if the fire is not in fire zone 14C. ~ l 2. Special operational and design considerations: Fire damage to cables for both boric acid- / transfer pumps may require use of the fueling water storage tank and RCS letdown to achieve RCS boration if the fire is not in fire zone '} 14C. -b. Fire---damage to canlendoNn -A-RHR-heat CL. -exchanger-4o -charging-pumps-valve-HVr8804A-may( require-the7pe'rators-to-ensure-valveniesure\\ -priorA4 tarting-theM-syste-if -the fire ie A not-in fi-re rene 1ACA ) Amend. 15 3/85 9A.1.7-16 Amend. 24 6/86 ~.-.,,,-,_,--,,-n.,-.-, --,-,,,--,.--,,,,,-.,,,.a,-,-w_,__a- -,---,,-em-, r-Fire,-:; :;;: to cables for the Train p nun 3;;t,C

chenger to SIS p'l p-valv: H"-9SCiC n%

rc p i re ilia vpel.twre 'a ==-"-- -'----'--"-8 -prier t; et. Lii., the R".1 ystem if +he fire im -i:. fi re cr.e 140.1__. 3. Spurious actuation considerations: a. Main steam atmospheric dump valve PV-3000 may open due to a fire in this area (fire not in fire zone 14C). b. Main steam atmospheric dump valve PV-3030 may open due to a fire in this area (fire not in fire zone 14C). c. CVCS volume control tank outlet valve LV-0112B may close due to a fire in this fire area (fire not in fire zone 14C). 24 d. CVCS volume control tank outlet valve LV-0112C may close due to a fire in this fire area (fire in fire zone 14C). e. CVCS charging pump common miniflow valve l HV-8110 may close due to a' fire in this fire j area (fire not in fire' zone 14C). l f. CVCS Train A charging pump miniflow valve HV-8111A may close due to a fire in this fire area (fire in fire zone 14C). g. Train A RHR system vent valve HV-10465 may open due to a fire in this fire area (fire not in fire zone 14C). h. Safety injection actuation may occur due to a o i fire damage to steam line pressure circuits in F this fire area (fire not in fire zone 14C). A M. Fire Detectio'n The following type (s) of fire detectors are installed o within the area: Zone 3 - Ionization smoke detection. fl.RJIA.No eyes Chrgi peps ystve. HV-fPo4A **f 9 d.ac 40 0- fire in 4his fire. a.rea.. J f.9)t -bo Sdefy IQwlio t fwys volvt Wy-Sto48 hoy of tQ gag. -to ( fire A. MIS [Tet At e4-. Mend. 15 3/85 M A.1.7-17 Amend. 24 6/86:

e. RJfL lo cves chrymg myn/ve%6to4Aay oper due g, h

A hrt. IA- $l TIS ~$ ire. ArtA. VEGP-FSAR-9A .b d. CVCS volume control tank outlet valve LV-Oll2B may close due to fire in this fire area. <M. Fire, Detection b The following type (s) of fire detectors are installed within the area: Zone 1 ) Photoelectric smoke detection. Zone 4 Photoelectric smoke detection. Zone 23 24 Ionization smoke detection. 15 N. Fire Suppression 1. Automatic Zone 1 Preaction sprinkler system - Total zone .) ( coverage. l Zone 4 Preaction sprinkler system - Total zone l coverage. l Zone 23 Preaction sprinkler system - Total zone coverage. 2. Manual Hose stations (with portable extinguishers) are conveniently located to each area. Any location ,} can be reached with at least one effective water stream. Independent Seismic Category 1 dry standpipe system provides alternate source of water for post-SSE fire fighting. O. Radioactive Materials Radioactive process fluids in piping. P. Ventilation Smoke can be removed using the normal ventilation ( system in a once-through only mode of operation. For } Amend. 15 3/85 9A.l.9 Amend. 24 6/86 I VEGP-FSAR-9A G. Fire Dampers "I Dampers meet or exceed fire barrier rating. C) H. Safe Shutdow'n Components Nu qin-'Hsafe o T._ shu i.dv wn w=ble % I. Safety-R, elated Equipment $kor equipm6r-thaTf safe hn eq"iptaeuO J. Nonsafety-Related Equipment r.cpHnm.n Q K. Combustible Loading 1. Zone No. 192 2e Fixed combustible quantities Cable insulation (equivalent O xP1v1> 1.ese 18 v Charcoal O lb Cellulosic materials O lb Oil / grease O lb Plastics O lb l Rubber goods 'O lb Heat release Fixed combustibles 14,864,355 Btu Transient combustibles O Btu Combustible loading 546 Btu /ft 8 a Fire severity (wood equivalent) Negligible L. Evaluation of Safe Shutdown capability j 1. For a fire in this area, use safe shutdown Tr 2. Special operational ant design considerations: None. C-Amend. 15 3/85 9A.1.11-11 Amend. 24 6/86 i VEGP-FSAR-9A \\ 3. Spurious actuation considerations: p Mr steam atmospheric dump valve PV // pre,. o, due to a fire in this fire eta. b. Main steam a pheric p valve PV-3030 may open due to a f - is fire area, CVCS volumej.ontrol tank tiet valve LV-0112B c. may closp 4ue to a fire in fire area. d. CVCS charging pump common miniflow lve -8110 may close due.to a fire in th ire area. j M. Fire Detection The following type (s) of fire detectors are installed within the area: 24 15 Zo,pe 192 + /Ydh t. .Photc.,=lavi.ric ::.che deta-H # ( N. Fire Suppression ) Zone 192 - No zone coverage. O. Radioactive Materials Radioactive process fluids in pipes. P. Ventilation Smoke can be removed using the normal ventilation system in a once-through only mode of operation. For areas isolated by fire dampers, smoke may be removed by portable fans using flexible tubes to direct the smoke ) to an area capable of being ventilated or directly to outside. Y Q. Drainage A flooding analysis has determined that drainage ~from ' ' ') the fire areas is adequate. ( ~ ) Amend. 15 3/85 9A.l.11-12 Amend. 24 6/86 ~ I VEGP-FSAR-9A k J. Nonsafety-Related Equipment No major equipment. K. Combustible Loading 1. Zone No. 16 Fixed combustible quantities !('- Cable insulation (equivalent hypalon value) O lb Charcoal O lb Cellulosic' materials O lb Oil / grease O lb' Plastics O lb Rubber goods O lb Heat release Fixed combustibles O Btu Transient combustibles 400,000 Btu 8 Combustible loading 1,613 Btu /ft Fire severity (wood equivalent) 1 min L. Evaluation of Safe Shutdown Capability 1. For a fire in this area, use safe shutdown Train A. 2. Special operational and design considerations: None. 3. Spurious actuation considerations: Uk $o SAlei /fV-ffOYA "f { " y " y in,' se.f io r ( W s VA h t. du e b x free. rn -a is f,re er a. ^ M. Fire Detection The following type (s) of fire detectors are installed within the area: Zone 16 Photoelectric smoke detection b.. Amend. 15 3/85 9A.1.12-3 Amend. 24 6/86 _,-_-_,...,.-,_,-..,,.-_.,,,-_.--.,,.~._,-.,_r-. ...--r ,,.+.-,.,,,-..%,.,--

,.,,c

--,.3-

VEGP-FSAR-9A J. Nonsafety-Related Equipment No major equipment. (", K. Combustible Loading 1. Zone No. 38 Fixed combustible quantities ..s -( Cable insulation (equivalent hypalon value) O lb Charcoal O lb Cellulosic materials O lb Oil / grease O lb Plastics O lb Rubber goods O lb Heat release 2 Fixed combustibles O Btu Trar.sient combustibles 400,000 Btu L M Combustible loading 1,563 Btu /ft 8 Fire severity (wood equivalent) 1 min L. Evaluation of Safe Shutdown Capability 1. For a fire in this area, use safe shutdown Train B. l 2. Special operational and design considerations: l Pull box 1DE413KXJO2 is wrappen to protect, the Train B safe shutdown cables for LT-OlO4 and i PT-11742. 3. Spurious actuation considerations: LHt -to CVcs chry13 rwps valve. //V-Pro 4A my of><~ [ Monet-dne to a p,, g. 7, tA;., f,,e m. M. Fire Detection The following type (s) of fire detectors are installed within the area: Zone 18 Photoelectric smoke detection. Amend. 15 3/85 9A.l.14-3 Amend. 24 6/86

VEGP-FSAR-9A s I./ N. Fire Suppression i. Automatic Zone 18 - No zone coverage. ) 2.' Manual Hose stations (with portable extinguishers) are conveniently located to each area. Any location can be reached with at least one effective water .) stream. Independent Seismic Category 1 dry standpipe system provides alternate source of water for post-SSE fire fighting. O. Radioactive Materials Radioactive process fluids in equipment and lines. 4 P. Ventilation '3: Smoke can be removed using the normal ventilation system in a once-through only mode of operation.. For areas isolated by fire dampers, smoke may be removed by ) portable fans'using flexible tubes to direct the smoke / to an' area capable of being ventilated or directly to outside. Q. Drainage 1 A flooding analysis has determined that drainage'from i the fire areas is adequate. R. Emergency Lighting 8-h-rated battery fixture (s) provide safe ingress / egress of personnel. l l S. Devia,t' ions and' Justifications None. \\ ([8-k-mid iJi<ry fixhreCS) F'd' N Wl'$ ) -to spentis brugers in 4to-v Ace Moo. ') Amend. 15 3/85 9A.1.14-4 Amend. 24 6/86 /

b. A//A. -fo CVCS Qiy%i fire. d2Ea. //V-PfoQ my e Pto"ps Valve. dus ia L firs in 2 Gc. m -k.saaty 7-jeelkn pu-pa vdve Hv-. Prom mry a c s a, u au n,c. n. VEGP-FSAR-9A 2. Special operational and design considerations: flone. ,!L", heat ;;;ch:r.g;r discharg; te SI p=p ::1 ec( (' F1-99049 =ey open dua +n = fjre in thi fir: :M 3. Spurious actuation considerations: d..CVCS volume control tank outlet valve, LV-0112B, may close due to a fire in this fire area. M. Fire Detection The following type (s) of fire detectors are installed within the area: Zone 20 Ionization smoke detection g N. Fire Suppression 15 1. Automatic I,'l Zone 20 preaction sprinkler system - Total zone coverage. 2. Manual Hose stations (with portable extinguishers) are conveniently located to each area. Any location can be reached with at least one effective water stream. Independent Seismic Category 1 dry standpipe system provides alternate source of water for post-SSE fire fighting. O. Radioactive Materials Radioactive process fluids in equipment and' lines. P. Ventilation Smoke can be removed using the normal ventilation system in a once-through only mode of operation.- For [' portable fans using flexible tubes to direct the smoke areas isolated by fire dampers, smoke may be removed by to an area capable of being ventilated or directly to outside. l Amend. 15 3/85 9A.l.15-3 Amend. 24 6/86 l l

g k C.VC:s Qing joW$ Me WWO # DPM k ~lo 4. fire. In. ~$Ais fire W c. dHR. ~lo S*0ll Igeefioos. j Ws refue. /fy.gyo yd sn y ) o ofu d$e do A fite. In $Als fire. ctrea., j h VEGP-FSAR-9A L. Evaluation of Safe Shutdown Capability 1. For a fire in this area, use safe shutdown Train A. 2. Special operational and design considerations: a. RHR-heat sxchanger-discharge---to SI pur.p velve( .RV-880so may ugan uu. t: fi** in thin fir cre?% (' 3. Spurious actuation consideration: a.CSCS volume control tank outlet valve LV-0112C may J 1ose due to a fire in this fire area. M. Fire Detection The following type (s) of fire detectors are installed within the area: 2 Zone 19 15 Ionization smoke detection l{ N. Fire Suppression 1. Automatic Zone 19 preaction sprinkler system - Total zone coverage. 2. Manual l Hose stations (with portable extinguishers) are conveniently located to each area. Any location can be reached with at least one effective water stream. Independent Seismic Category 1 dry standpipe system provides alternate source of water (.7 for post-SSE fire fighting. O. Radioactive Materials Radioactive process fluids in equipment and lines. () P. Ventilation Smoke can be removed using the normal ventilation system in a once-through only mode of operation. For , f a.reas isolated by fire dampers, smoke may be removed by [(l portable fans using flexible tubes to direct the smoke t t\\ \\ Amend. 15 3/85 l 9A.1.16-3 Amend. 24 6/86

VEGP-FSAR-9A H. Safe Shutdown Components PT1957 - Auxiliary component cooling water pump interlock. ) HV8110 - Seal water heat exchanger valve. TISH12203 - Ean 1-1555-A7-004 interlock. (reat1 8) 1-1217-P4-002 - Spareaauxiliary component cooling water pump. ) 1-1555-A7-004 - Train "B" MCC room cooler. 1-1805-53-BBD - Class IE 480 V MCC IBBD. 1 Train A safe shutdown cables. Train B safe shutdown cables. 24 I. Safety-Related Equipment 1-1208-E6-004 - Seal water heat exchanger 1-1204-P6-004 - Train B safety injection pump ) 6C. L-... '. ^ ' ' '. ', 1-1555-A7-016 - Train.B SI pump ESF room cooler J. Nonsafety-Related Equipment Reactor makeup pumps. SGB local conductivity panel. K. Combustible Loading 1. Zone No. 31 Fixed combustible quantities Cable insulation (equivalent hypalon value) 1,216 lb ) Charcoal O lb Cellulosic materials O lb Oil / grease 23 lb Plastics O lb Rubber goods O lb ) Amend. 15 3/85 9A.1.19-2 Amend. 24 6/86

VEGP-FSAR-9A 4. Zone No. 35 Fixed combustible quantities Cable insulation (equivalent } hypalon value) O lb Charcoal O lb Cellulonic materials O lb Oil / grease O lb Plastics O lb .) Rubber goods O lb Heat Release Fixed combustibles O Btu Transient combustibles 400,000 Btu 8 Combustible loading 1,533 Btu /ft 24 Fire severity (wood equivalent) 1 min 15 L. Evaluation of Safe Shutdown Capability 1. For a fire in this area, use safe shutdown Train A. 2. Special operational and design considerations: Opening of the alternate Train A charging pump miniflow path isolation valves, HV-8508A and HV-8509B, may be required due to fire damage to charging pump common miniflow valve HV-8110 in this fire area. i b.

5tR-hestwxchar.;:: discherge to ?!CS chargin Q

. pump __ valve r-HV-8804Ar-may~cpen due -- t.v.,fi-re ia5Q thi-e-fi:: - % ~ 3. Sptricus actuation considerations; a. 0~1CS charging pump common miniflow valve, HV-8110, may close due to a fire in this fire area. b. CVCS Train A charging pump miniflow valve, T HV-8111A, may close due to a fire in this fire / ^ area. c. U K. -lo C Vc s c h q in j PWs vdve HV Prom may of" At -k a. fire T~ tMis het area. '(

d. UA. k safdy tyedjor pays va./ve. HV-Prodd M*y

) op4a oLAC. k 4. fTre Ts Es /;re. a.reA.. Amend. 15 3/85 9A.1.19-4 Amend. 24 6/86

d. AJ/R. -lo CVcs Qig p4s //V-Ploh4 may oftDe-AM 40 A fire. h -Mis fra-o ana..

UK -fo.%hij injeelior fway>s J/y-g"f>off per A P-. due b r hee rr Mis fire. ares.. VEGP-FSAR-9A '\\ cables, it may be necessary to add makeup to the reactor coolant system using the Train B charging pump through the Train A safe shutdown charging (. path (HV-0190B, HV-8485B, HV-0190A and HV-0190A and HV-8116) in this fire aren. 3. Spurious actuation considerations. d.[ CVCS charging pump common miniflow valve, ,,(' HV-8110, may close due to a fire in this fire area. S U Train A RHR system vent valve, HV-10465, may open due to a fire in t'his fire area. CN Containment spray actuation may occur due to fire damage to containment pressure circuits in y this fire area. M. Fire Detection 15 The following type (s) of fire detectors are installed I within the area: .( Zone 26B - Photoelectric smoke detection. Zone 39B - Photoelectric smoke detection. Zone 171 Ionization smoke detection. 1 - Photoelectric smoke detection. N. Fire Suppression 1. Automatic '( i Zone 26B preaction sprinkler system - Partial zone coverage. Zone 39B - No zone coverage. ( Zone 171 preaction sprinkler system - Partial l zone coverage. i l Amend. 15 3/85 9A.1.20-7 Amend. 24 6/86 ,.,..,.,,.,.,,,.,.-n,,,,,,,.,---,,,,.-----nn.

(ye k satdy injutio~twps v&e. Mr-&AS Q M ofk dAt h tt fire I't- $AIS Ore. W. VEGP-FSAR-9A }- k 2. Special operational and design considerations: i None. 3. Spurius actutuation concerns: .) i CVCS volume control tank outlet valve, LV-Oll2C, i a. may close due to a fire in this fire area. b. The Train A charging path containment isolation s valve, NV-8105, may close due to a fire in this .) fire area. M. Fire Detection The following type (s) of fire detectors are installed within the area: Zone 43 24 - Ionization smoke detection. 15 Zone 149 l - Ionization smoke detection. N. Fire Suppression 1. Automatic Zone 43 preaction sprinkler system - Partial zone coverage. Zone 149 preaction sprinkler system - Total zone coverage. 2. Manual Hose stations (with portable extinguishers)~are conveniently located to each area. Any location can I be reached with at least one effective water stream. Independent Seismic Category 1 dry standpipe system provides alternate source of water. for post-SSE fire fighting. .), O. Radioactive Materials None. (~ ) Amend. 15 3/85 9A.l.27-4 Amend. 24 6/86 l

7 f RJ!c. -k CVc6 claying puoy.s Vahe-HV-!?oV4 may opt < due io x,c,, a. in fA;s f,,.e area VEGP-FSAR-9A 3. Spurious Actuation Considerations d.CVCS volume control tank outlet valve, LV-0112B, may close due to a fire in this fire area. M. Fire Detection Zone 44 - Photoelectric smoke detection. N. Fire Suppression 1. Automatic Zone 44 - No zone coverage. 2. Manual 24 Hose stations (with portable extinguishers) are 15 conveniently located to each area. Any location can be reached with at least one effective water ( stream. Independent Seismic Category 1 dry i standpipe system provides alternate source of water for post-SSE fire fighting. O. Radioactive Materials None. P. Ventilation Smoke can be removed using the normal ventilation system in a once-through only mode of operation. For areas isolated by fire dampers, smoke may be removed by portable fans using flexible tubes to direct the smoke to an area capable of being ventilated or directly to 5 outside. s Q. Drainage A flooding analysis has determined that drainage from the fire areas is adequate. t ( Amend. 15 3/85 9A.I.28-3 Amend. 24 6/86

~ l VEGP-FSAR-9A' ) Q. Drainage A flooding analysis has determined that drainage from the fire areas is adequate. R. Emergency L'ighting 8-h-rated battery fixture (s) provide safe ingress / egress of personnel. S. Deviations and Justifications 1. Unrated containment building fire area boundary: See Sectiop 9A.1.111. 2. Unrated exterior boundary: See Appendix 9B, Section C.5.a(1).

24 15 3.

Separation by distance without full area suppresssion: See Section 9A.1.42.S. g } \\ y E-l1-TAltd baflery fixhvelo.) fr0Vidt. -$be Q1bi//fy p TV-/2 72 6~ leCA./ MastsxJ/y f eraje. l l I e Amend. 15 3/85 j 9A.1.45-10 Amend. 24 6/86

r VEGP-FSAR-9A N. Fire Suppression 1. Automatic Zone 76 - No zone coverage. 2. Manual Hose stations (with portable extinguishers) are ( conveniently located to each area. Any location can be reached with at least one effective water stream. Independent Seismic Category 1 dry standpipe system provides alternate source of water for post-SSE fire fighting. O. Radioactive Material None. 2 P. Ventilation 15 Smoke can be removed using the normal ventilation system in a once-through only mode of operation. For i (' areas isolated by fire dampers, smoke may be removed by portable fans using flexible tubes to direct the smoke to an area capable of being ventilated or directly to outside. Q. Drainage A flooding analysis has determined that drainage from the fire areas is adequate. R. Emergency Lighting 8-h-rated battery fixture (s) provide safe ingress / eg'ress of personnel. .( ' 8-h-rated battery fixture (s) provide the capability to operate breakers in 125-V DC pane IND31 A am/ /N#32, S. Deviations and Justifications ( None. (*. Amend. 15 3/85 9A.l.46-3 Amend. 24 6/86

n -.. -. v.. l VEGP-FSAR-9A Independent Seismic Category 1 dry standpipe system l provides alternate source of water for post-SSE fire fighting. ~ 0. Radioactive Materials Mone. P., Ventilation Smoke can be removed using the normal ventilation system in a once-through only mode of operation. For areas isolated by fire dampers, smoke may be removed by portable fans using flexible tubes to direct the smoke .to an area capable of being ventilated or directly to outside. Q. ' Drainage A flooding analysis has determined that drainage from 4 the fire areas is adequate. 15 R. Emergency Lighting 8-h-rated battery fixture (s) provide the capability to operate breakers in 125-V de panels IAD11, IAD12, and 1ADIN l S. Deviations and Justificat; ions None. t-k rules huy Odare Cs.) provide. -aft infress/ e ru.s of persome/. ) -.) Amend. 15 3/85 9A.1.55-4 Amend. 24 6/86 O

r c, greess /ebn vdves UV-hC3, D-MS9' N ffV-0/23 p1 Af 0 // ofen due do a. fi>e. it - -8475 [Tr c. u cA. f VEGP-FSAR-9A y. Safety injection and containment spray actuation may occur due to fire damage to process control cabinet power feeders in this fire area. j Safety injection and containment spray z. 1 actuation may occur due to fire damage to solid state protection cabinet 1-1605-05-SPA 120-V ac power feeder circuits in this fire area. Safety injection and containment spray aa. actuation may occur due to fire damage to solid state protection cabinet 1-1605-QS-SPB 120-V ac power feeder circuits in this fire area. bb. Reactor vessel head letdown path valves HV-8095A, HV-8096A, and HV-0442A may all open due to a fire in this fire area. M. Fire Detection 15 i The following type (s) of fire detectors are installed .\\ within the area: Zone 95 Ionization smoke detection. N. Fire Suppression i 1. Automatic Zone 95 preaction sprinkler system - Partial zone coverage. 2. Manual ( Hose stations (with portable extinguishers) are conveniently located to each area. Any location can be reached with at least one effective water stream. Independent Seismic Category 1 dry standpipe system provides alternate source of water for post-SSE fire fighting. g O. Radioactive Material None. ( c. Amend. 15 3/85 9A.l.71-5 Amend. 24 6/86

\\ VEGP-FSAR-9A B 'i b. Fire-induced spurious closure of the centrifugal charging pump minimum flow valves (HV-8111A and 8111B) may result in damage to the respective operating charging pump. Spurious closure of HV-8110 can result in a ) failure of either or both operating charging pumps. _y 4. Main Steam System a. With offsite power available, steam generator ) overfilling can occur due to spurious opening (valves remain open) of the feedwater control valves or due to failure of the feedwater isolation valves to close on high level. These ' situations are aggravated by the following conditions: Turbine trip occurs. 24 Feedwater pumps continue to run. Main steam atmospheric dump valves (ADVs) do 15 1 not operate. No automatic turbine bypass system operation. ) b. With offsite power available, steam generator j i boil dry can occur due to spurious closure of the feedwater isolation valves,' closure of the feedwater control valves, or spurious opening i of the turbine bypass control valves. These situations are aggravated by the following conditions: No turbine trip. No main steam isolation valve (MSIV) closure. f No main feedwater addition. Main steam ADVs open. MSR isolation valves remain open. I SG blowdown valves remain open. l c. Local manual control of the main steam ADVs may l be required due to the design of the valve control circuitry (i.e., through the control room process control cabinets). Ce $ oCa l bME Nt*' Y Y!f f'/orf r tt y h t-e Meet $$&T fr e nare ir*/affon o f tLe-exce.rs / ele stru//*'f e valVL-c)ft*f/*sy$ f l } Orw fn/4 a.s rhy occur. Ane/ f$2. R$r'llfY Y! ff!"b h r%s#ffr$d 5 f$r< q 9A.1.81-6 Amend. 24 6/86 l

[.... j $Al$$Y Ok 1 I MGE %4./. SI-7 i -. _._ _ i ......_+ ..s. C Fire induced spurious opening of RHR vent valve (HV-10465 or HV-10466) may occur resulting in loss. of RCS inventory or RWST inventory. d Train B RHR heat exchanger outlet valve HV-0607 may spuriously close resulting in loss of RCS cooling during Modes 4 and 5 hf rMay spuripurly oft" .a 4 .e.- a ...a..- t I. ..L__;. N 9 m l g ,..... -7 ..- p.{.. ....~ .i.*. l e.-.--a.- ....,,. -. -..,_i, __g

~ -.. -( VEGP-FSAR-9A 5. Auxiliary Feedwater System ~ Automatic auxiliary feedwater actuation may not a. ( occur. ( 1 b. One steam generator auxiliary feedwater control valve for a motor driven AFW pump may spuriously close during automatic feedwater actuation. For other considerations involving the steam c. generators, see the Main Steam System. 6. Residual Heat Removal System One of both RHR pump suction valves (HV-8701A m. and B for train A or HV-8702A and B for train B) can spuriously close while the.nump is i operating. (Assumes plant is in shutdown coolin prior to the control room fire.) D&lL'l L 15 b.ATIn mode 4, Yv-oble or tv-oe19 h nger bypass) can spuriousl orcingallRHR] c, I flow through cooler if its respective Mggg7-jff7M J pump nning. (Assumes plant is in shutdown; ino pri a* ta ne ee.t-a1 ramm Fi ra -) _/ \\ ~ Q 7. Nuclear Service Cooling Water System Fire induced spurious failures of NSCW return header temperature or pressure instruments (TE-1668/1669 and PT-11741/ll742) could result in simultaneous closure of NSCW cooling tower spray header isolation valve HV-1668A/1669A and NSCW cooling tower bypass valve HV-1668B/1669B. NSCW return flow would then be limited to the capacity of relief valve PSV-11759/ll766. 8.. Diesel Generator Fuel Oil Transfer System The diesel generator fuel oil storage tank pumps may not be available for automatic makeup to diesel fuel oil day tank. A refw/r 4 /44. /,<,e s/ ff[Nay lendt, intf*5*/M of 4 'juwft **d }tf'l'4NWO ? pf a. fuse sway be meerrwr at the fow rn su of 14e im Tren B pu~/s k ex'"'* ani/su/i& of ty Trat< 2 nfe sWA*"j,lf"l,bt ( sf// *V fl* f,q tk e ux orf offille f**'! ir,,r,, u r u, s >.' a n + s w ru s - y ?, day lo><n,cewlak.c sa?fk/t"/).V-4 of die "/"'I*"' '"% "f l,, ~- W/u" f s,,'ndf1? b i e s 9A.1.81-7. Amend. 24 6/86 l ---me---.c.-r-.-- ,~~-,-----.--,-.,_,,__,,-.---,--.----,--mm.--,,-w-.- .e-.--,--.---,- --.w--

r VEGP-FSAR-9A 9. Essential Chilled Water System Loss of control building control zoom (CBCR) engineered safety features (ESF) chille:1 water flow ..} through cooling unit 1-1532-A7-002 due to spurious closure of TV-12725 can result in loss of cooling .to the essential Train B switchgear rooms. 10. Essential Safety Features Room Coolers Loss of ventilation for the Train B CBCR ESF ) chiller room can occur due to spurious stopping 'of the r m exhaust fa (1-1531-B7-004) s.d m y reguhe 0 n <frue veth Fire %se oNe'cn'fW"" fH ww.( Ar af lear / 6-N. The following type (s) of fire detectors are installed within the area: bone 105 Ionization smoke detection. Zone 106 5 Ionization smoke detection. Zone 183A Ionization smoke detection. N. Fire Suppression 1. Automatic Zone 105 - No zone coverage. Zone 106 - No zone coverage. ( i Zone 183A - No zone coverage.

p. -

} 1 erreorh:d rraiu 8 ra.fe il Yb af 4 pdce & Ollowk II. I ruan y a<a. w c=Ue.1 Poe -) 1 I

a. Rec h 148 Pre aree.:

18esocRV137 iscrB13// IBE30YW19 ) Amend. 15 3/85 9A.1.81-8 Amend. 24 6/86 I

P ~ VEGP-FSAR-9A p-R. Emergency Lighting 8-h-rated battery fixture (s) frovide safe ingress / ogress of personnel. I,e S. Dnviations and Justifications ) Unrated exterior fire area boundary: See Appendix 95, Section C.5.a.(1). f k-raicol bAlberf fichu ~**) frovide ike C4AbIllbl /oopr+te. }ruker 7tt MOV-ac pue/ fBYAf, 1 24 15 ) I o i .) ) Amend. 15 3/85 9A.I.94-4 Amend. 24 6/86 ..-,._---._,-...-_-______-...___--,________,,-.,,,,.-.._,.v...,-ec,-

i VEGP-FSAR-9A B l) HV8875C Safety injection accumulator 3 vent valve. HV8875D Safety injection accumulator 4 vent valve. HV8875E Safety injection accumulator 1 vent valve. f Safety injection accumulator 2 vent valve. ~)

. HV8875F HV8875G Safety injection accumulator 3 vent valve.

HV8875H Safety injection accumulator 4 vent valve. ~ EV0943A Safety injection accumulator header vent valve. HV0943B Safety injection accumulator header vent -valve. JNsety "A"[ 1-1208-E6-001 - Regenerative heat exchanger. UNED I. Safety-Related Equipment 24 15 1-1204-V6-002 - Accumulator tank. 1-1204-V6-003 - Accumulator tank. ~) 1-1204-V6-004 - Accumulator tank. 1-1204-V6-005 - Accumulator tank. 1-1208-E6-002 - Excess letdown HX. 1-1501-A7-001 - Containment cooling units. 1-1501-A7-002 - Containment cooling units. l 1-1501-A7-003 - Containment cooling units. 1-1501-A7-004 - Containment cooling units. } 1-1501-A7-005 - C,ontainment cooling units. 1-1501-A7-006 - Containment cooling units. I 1-1501-A7-007 - Containment cooling units. } 1-1501-A7-008 - Containment cooling units. - ) Amend. 15 3/85 9A.1.111-6 Amend. 24 6/86 .M e ..,,,m.,,__, ,r,,,-w__, _-,,,._,..-y_.-,m.m._, ,y,,,,,,,

r-14G<r'N" RA. i fG TA. /.///-4 \\ Excess / ether AeJ excAarper hiseAaye HVoa3 w/n HY o!.t 3 Excess /efdom A.ed ex6yae 4s c4vya. n/ve sofwM Excess le/down. iso /dkr. valve HVFis3 HYFIS3 Exeess leidowr. Isola.fkn Valve so/eroid Excess lekoar. Isoldkr nelve. HVf/54 HYr's4 Eucess lefbar iso /diox. vdve solen;L bW = 6 .....me.. e-.. ..e-eg a m- = ....m 4 e

e.>eh.

4 --n. W.. 4 m e* l l l

F \\ VEGP-FSAR-9A i 9A.1.116 FIRE AREA 1-DB-L1-C A. Location: Diesel Generator Building, Level 1 { B. ' Figure: 96-34 C.

== Description:== Includes fire zone 163 Train A fuel oil day tank room. ( D. Description of Boundaries Floor - Unrated concrete base mat. Ceiling h-rated barrier separates area from 1-DB-L1-A. North h-rated barrier separates area from 1-DB-L1-A. South - Unrated exterior area boundary. 15 East - Unrated exterior area boundary. ( West h-rated barrier separates area from s 1-DB-L1-A. E. Area Access North - Class A door from 1-DB-L1-A. F. Sealed Penetrations Seals meet or exceed fire barrier ratings. l G. Fire Dampers I f Dampers meet or exceed fire barrier ratings. h, l H. Safe Shutdown Components 1-2403-T4-003 - Diesel fuel oil day tank. k dme kn I LSH 9020 k - Diesel fuel oilj h pump interlock. $ { ora p l m N LSL 9020 - Diesel fuel oila4eenesar pump interlock. l,- I i Amend. 15 3/85 9A.1.116-1 Amend. 24 6/86 t

( VEGP-FSAR-9A LSLL 9020 - Diesel fuel oil pump interlock. Train A safe shutdown cables. I. Safety-Related Equipment ~ No major equipment other than safe shutdown equipment. J. Nonsafety-Related Equipment No major equipment. ') K. Combustible Loading 1. Zone No. 163 Fixed combustible quantities Cable insulation (equivalent hypalon value) 0 lb 15 Charcoal O in Cellulosic m'terials O lb a Oil / grease 9,460 lb Plastics O lb } i Rubber goods O lb Heat release a Fixed combustibl'es 189,200,000 Btu-Transient combustibles 800,000 Btu Combustible loading 1,397,059 Btu /ft 8 . Fire severity (wood equivalent) 1,048 min L. Evaluation of Safe Shutdown capability - 1. For a fire in this area, use safe shutdown Train B. 2. Special operational and design considerations: None. 3. Spurious actuation considerations: None. ) Amend. 15 3/85 9A.1.116-2 Amend. 24 6/86

i VEGP-FSAR-9A s 9A.1.117 FIRE AREA 1-DB-L1-D A. Location: Diesel Generator Building, Level 1 [ B. Figure: 9A-34 C.

== Description:== Includes fire zone 164 D. Description of Boundaries ( Train B fuel oil day tank room. Floor - Unrated concrete base mat. Ceiling h-rated barrier separates area from 1-DB-L1-B. j North h-rated barrier separates area from 1-DB-L1-B. South - Unrated exterior area boundary. 15 East h-rated barrier separates area from 1-DB-L1-A. West h-rated barrier separates area from 1-DB-L1-B. E. Area Access North - Class A door from 1-DB-L1-B. F. Sealed Penetrations Seals meet or exceed fire barrier ratings. G. Fire Dampers Dampers meet or exceed fire barrier ratings. H. Safe Shutdown Components i l 1-24030-T4-004 - Diesel fuel oil storage pan pump. Worty 'MW L LSH 9021 - Diesel fuel oil trenefef pump / interlock. hora hk LSL 9021 - Diesel fuel oil A pump interlock. \\ i t 1 Amend. 15 3/85 l 9A.1.117-1 Amend. 24 6/86 l

I l VEGP-FSAR-9A l) -/a<k - Diesel fuel oil _ 2. p ; pump LSLL 9021 ._ fe interlock. Train B safe shutdown cables. I. Safety-Related Equipment No major equipment other than safe shutdown equipment. i J. Nonsafety-Related Equipment No major equipment. ') ) K. Combustible Loading 1. Zone No. 164 Fixed combustible quantities Cable insulation (equivalent hypalon value) O lb 15 Charcoal O lb Cellulosic materials O lb Oil / grease 9,460 lb Plastics O lb J s Rubber goods O lb Heat release Fixed combustibles 189,200,000 Btu Transient combustibles 800,000 Btu Combustible loading 1,397,059 Btu /ft 8 Fire severity (wood equivalent) 1,048 min L. Evaluation of Safe Shutdown Capability 1. For a firn in this area, use safe shutdown Train A. 2. Special operational and design considerations: None'. " 3. Spurious actuation considerations: None. ) Amend. 15 3/85 9A.1.117-2 Amend. 24 6/86

f VEGP-FSAR-9A k 9A.I.118 FIRE AREA 1-DPB-A A. Location: Diesel Pumphouse, Train A; Elevation 211 ft-6 in. B. Figure : 9A-34 C.

== Description:== Includes fire zone 165 D. Description of Boundaries k Floor - Unrated concrete base mat.' Ceiling - Unrated exterior area boundary. North - Unrated exterior area boundary. East - Unrated exterior area boundary. South h-rated barrier separates area from 2 1-DPB-B. 15 West - Unrated exterior area boundary. i. E. Are Access South - Class A door from 1-DPB-B. F. Sealed Penetrations Seals meet or exceed fire barrier ratings. G. Fire Dampers Dampers meet or exceed fire barrier ratings. H. Safe Shutdown Components 1-2403-P4-001 - Diesel fuel oil storage tankJP/34M/3 1-2403-P4-002 - Diesel fuel oil storage tankf'[uev/ 1-2403-T4-001 - Diesel fuel oil storage tankf eum7 j W2 Train A safe shutdown cables. I. Safety-Related Equipment No major equipment other than safe shutdown equipment. Amend. 15 3/85 9A.1.118-1 Amend. 24 6/86 .,,,,-_.,,,__.,,,,-e-

{ o VEGP-FSAR-9A F. Sealed Penetrations Seals meet or exceed fire barrier ratings. G. Fire Dampers ~} I Dampers meet or exceed fire barrier ratings. H. Safe Shutdown Components 1-2403-T4-002 - Diesel fuel oil storage tanksI ) l-2403-P4-003-Dieselfueloilstoragetankf)2kmF/ 7 l-2403-P4-004-Dieselfueloilstoragetank7[Mdf Train B safe shutdown cables. I. Safety-Related Equipment .4 No major equipment other than safe shutdown equipment. 15 J. Nonsafety-Related Equipment No major equipment. ) K. Combustible Loading 1. Zone No. 166A ' Fixed combustible quantities Cable insulation (equivalent hypalon value) O lb Charcoal O lb Cellulosic materials O lb Oil / grease 605,320 lb Plastics O lb } Rubber goods O lb Heat release Fixed combustibles 1,210,640,000 Btu Transient combustibles 800,000 Btu Combustible loading 15,077,460 Btu /ft" l Fire severity (wood equivalent) 11,308 min i Amend. 15 3/85 l 9A.1.119-2 Amend. 24 6/86 l

7 zare Fox) F4;r 98-4'y ur t ors _.1..p.._ I CJMfral YM*G' C9WleX ..lC. a-f Pt-t ]_..... p< Si/1 a,d Ma> */2, ead Am,r. .). . i.... area owa coafraf area, re a.//ende sha% eqaWi fy.parala i ^.//r h evidad 4 A. cafe. r form J re>~rk. sh% paask aud' oflas-.. IocaI corfro/ slaAbe.1 far each u~//, o r i y/ /. n o //~a 4'y Ar z+ t1 avas.,ad ria/ fPre a. fla. cm 6 / area. d ou .aar'/ w 1.ohr u<<W esd< / are<. 4 frapayde fr 74a un,'/ wiY4 de. 4e w#/ La.shA4-r. In ace,<4-oe.. wM a-esdrd roo.v fik c>pem /tay prxadare. w4to4 deor/ mar specNk. ac.M,,rr ased coarden4v -fb1 sasy 6< rgas,<.</ one17 L, aca.re. of ft<e-4/ueao' calla. Ja, <y.. ?k emi+ wined th {LL praedare. fo< },+ w/// Le rG% hr ace d.v< wi+4 th reserk s th n ua<'/ [cade da-afe mf coari/erad). 76. Lare.c ..... for..tUs assus rp//r1 are:.. a Y$ ra/e rhto/own onc/ assoctaM chae#7 /< NM/f*.2 ha**r f b. f a. h $' { k l ls w er na"d a s c - c u 4 d c les a /r ta q,n/,e wif4 sto j j.. )..... k-ferverr43 co.~4 rfikks....

q. 7. _. q ppxcombur//L/e drielt.

t {. _g. .he Yl a>WOM 9 Nff ./ '$ f!OV/ 1a co<rGo / rw~, Ad-a <v 4 aaiYs, / r '" f/ma sp,N.inore. I A tc4 hs .a. .L. ... + coJraa/4, ad' fud sodes /asr A p r or less. t

INSfAT FW PAdC 98-Vf INT p oFF_ __ Ae/sw/n/10tn eckere.r ts. / YY/sa/. C. rlt' bit'

-t 'l$ /*. Yha-

...L-..-_.,.. }raors/edi com 4a wd...premf av w4/4 corfr#/ rse.~ 1. . i. -. _.. e vpwre /)>e ~ 'a.' Fire alsbo$fn jsy/ rn-rN~r are provrWed' $* W ,.<aia eda. -p'a x a-.t sa . 4 a<<< a.4ove flu. o % p p a d c e<'Ay -fr-e - /y W.y.. 5 7kn. co r/rol mm is cor4Suox.rly,esaaed w4/c4 wil and in ear /y idex/,4tedhe of a. pre. an/ pr ap/ ruporse -fo sw<ki w a e d > y a. 4 forMle.- exfayut.rAarr ore. pro <Wed ik 16. ' ~ codrol room -fo< ine i.e es.v k f'ny a. fire. 1Xesa f of de>iee.r yr saa / ro rtgne'9eanf 7%ypeeal fofle. u,rd wWo->' fit />c. e l 0 I j 1 I j f' -. 1 'i ..,_.4 i i Qa I j l . i

, *O clerirleotten er contenennee er costs 9.5-8 neeve rements vicP_Po3111on lisstfrecetten er oeviation i (b) systees necessary to achieve and 163 systees necessary to esenteen cold shutdown rroe eitt'er schieve and mainteln cold the control rece or emergency shutdown troe either the control stetlon(s) can be repelred control room er the within 72 h. emereeney control stettene i con be repelred within 72-h. Table 9.9.1 1 Identlflee the systees and components deportent to sore shutefown. Appendix 9A identirles the operational end design considerations whicle are unique to each rire area. l (2) To meet the guidelines or Position Partiet (2) Itedundant sore shutdown treine c.5.t.t. one er the rollowing means er conroreance west meet the seperation ensuring that one or the redundant criterte outlined in c.5.btr) traine es tree or rire seenge should be except la the mein eentrol rose, Ue? previoed: containment, and some other plant erees. Afternete shutdown i I (s) Seperation er embles and ogulpeent capability is provided for the end essociated circuits or main control roce. Where the redienden t trains by a Fire barrier separation criterle is not met l having e 3-h reting. Structural in other plant erees, specirl2 g steel forslag a part er or devletions are dertned and l w supporting such rire barriers .lustirled in the rire tierorde -23 ;' g: 8 ts should be protected to provide rire snelysis Appendix 9A. feedlant engi j i resistance eeulvesent to that energy heet shleide are used tai e required or the berrier. Inside containment, I' ! to k (b) Seperstlen er embles and ogtelpeent p i and essecleted circults or 7 w I distance er more tnen 20 ft with no gg, redundent trains by a heriroptel I Intervening combustible or rire (j herards. In addition, Fire NEM detectors and on outeestic rire [gp.." f suppre,sa.len systee should.be ,i inste le In to rire er.. 4 1 N. i UU Di As.* e e NN b3 v' e b kAIk i \\\\ es es; l m ut

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D Oe *{ Clarification of Conformance or CMEB 9 9 1 Reautrements YECP Position J ustifica Qog,_of Deviation Air handling functions should be ducted Conforms The section of raised floor 'in the separately f rom cable runs in such staces; control room and the area above the 1*5 e.e., if cables are routed in underfloor or dropped ceiling are not used for ceiling spaces, these spaces should tot be inducted air handling functions, used as a e r pier.ums for ventilation c f the There are two raised floor sections in control room. Fully enclosed electrical the control room ( shif t seepervisor and raceways locates in such underfloor and plant ope ra tor a rea s ) wh ich a re not ceiling spaces, if over i f t in provided witte an automatic seeppression cross-sectional area, should have aestomatic system. The only combustibles within fire suppression inside. Area automatic fese' these raised floor sections are a few suppression should be provided for orderfloor Iow energy (communications and and ceiling spaces ir used for cable riens lighting) electrical cables. A fire unless all cable is run in 4-in. or smaller inside these raised floor sectons is steel conduit or the cables are in fully highly unlikely. Should a fire occur enclosed raceways internally protected by Qgf at these locations, the potential automatic fire suppression. impact on the ability to operate the AfMM plant is negligible and it would be quickly noteced by the operators in this continuously-manned location. g 4 There should be no carpeting in the control fartial A limited amount of carpeting is room. cont'o rmance provided in the control room. Since W the carpet has a flame spread. smoke CIS 3 contribution, and fuel contribution of q 25 or less, and alternate shutdown is

W

,O available from the remote shutdown g p panels, this deviattori is justified, e y C.7.c. Cable Spreading Room C.7.c. Cable Spreading Roce The primary fire suppression in the cable C9tforms Automatic preaction sprinkler systems spreading room shoteld be an automatic water and smoke detection systems have been system such as closed-head sprinklers, provided for the cable spreading br open-head delugs system or open directional rooms. Each cable spreading room water spray system. Deluge and open spray contains only one safe shutdown systems should have provisions for maiuel train. Primary water protection is in operation at a remote station; however, there two Zones, one north and one south of should be prowlsions to preclude inadvertent the cable termination cabinets. operation. Location of sprinkler heafs or Cables are veesigned to permit wetting spray nor21es sneuld consider cable tray down with fire suppression water arrangements and possible transient without electrical faulting. combustibles to ensure adequate water coverage for areas that could present exposure hazards to the cable system. Cables should be designed to allow wetting down with water supplied by the Firt, suppresslen system without electrical faulting. .:s '.De e H i Ul (d N co + f *- un

ATTACHMENT 5 LISTING OF SAFE SHUI'DOWN CABLES IN FIRE AREA 1 - Ais-LC-E [E4 Code B8] ECIABB05SP* RHR HEAT EXCHANGER i:1 A TO CHRG PUMP VALVE lHV-8804A ECIABB05SQ* RHR HEAT EXCHANGER TR A TO CHRG PUMP VALVE lHV-8804A ECIABB15LA* CVCS ALTERNATE MINIFLOW ISO. VALVE lHV-8509A ECIABB15SC* CVCS ALTERNATE MINIFLOW ISO. VALVE lHV-8599A EClBBB05SR RHR HEAT EXCHANGER TR B TO SI PUMP VALVE 1HV-8804B EClBBB05SS RHR HEAT EXCHANGER TR B TO SI PUMP VALVE lHV-8804B EClBBB08SG CVCS VOLUME CONTROL TANK OUTLET ISO. VALVE ILV-Oll2C EClBBBllLA CVCS CHARGING PUMP B MINIFLOW ISO VALVE lHV-8111B EClBBBilSC CVCS CHARGING PUMP B MINIFLOW ISO VALVE lHV-8111B EClBBB16LA CVCS ALTERNATE MINIFLOW ISO. VALVE lHV-8508B EClBBB16SC CVCS ALTERNATE MINIFLOW ISO. VALVE lHV-8508B EClBBD08LA CVCS RWST TO CHARGING PUMP VALVE ILV-Oll2E EClBBD08SA CVCS RWST TO CHARGING PUMP VALVE ILV-0112E EClBBD22LA CHARGING PUMP ROOM COOLER MOTOR B l-1555-A7-014-M01 EClBBD22SC CHARGING PUMP ROOM COOLER MOTOR B l-1555-A7-014-M01 EClBBD22SH CHARGING PUMP ROOM COOLER MOTOR B l-1555-A7-014-M01 EClBBD37LA CVCS CHARGING PUMP B DISCHARGE VALVE 1HV-8438 EClBBD37SC CVCS CHARGING PUMP B DISCHARGE VALVE lHV-8438 EClBBD40LA CVCS CHARGING PUMP B DISCHARGE VALVE lHV-8485B EClBBD40SA CVCS CHARGING PUMP B DISCHARGE VALVE 1HV-8485B EClBBD43LA CVCS CHARGING PUMP B SUCTION VALVE 1HV-8471B EClBBD43SA CVCS CHARGING PUMP B SUCTION VALVE lHV-8471B EClBCBDC0lTSA VALVE INTERLOCK FOR 1HV-8804B AND lHV-8508A EClBR0190BSY CVCS CHARGING PUMP B THROTTLE VALVE lHV-0190B EClBR0190BXY CVCS CHARGING PUMP B THROTTLE VALVE lHV-0190B EClBR0190BXZ CVCS CHARGING PUMP B THROTTLE VALVE 1HV-19908

Train A cables - All other cables are associated with Train B TRAIN A CABLE DAMAGE IMPACT EVALUATION i

1. HV-8804A is a normally closed Train A powered valve in the RHR system boundary. Cables for this valve are tracked as safe shutdown circuits to allow t identification of those plant locations where this valve can spuriously open. The capability to operate this valve is not required to achieve safe shutdown. - - ^ ' - - - ' - - -

TRAIN A CABLE DAMAGE IMPACT EVALUATION (cont'd) 2. HV-8509A is a normally open valve in the Train B centrifugal charging pump alternate minimum flow path to the RWST. Cables for this valve are tracked as safe shutdown circuits to allow identification of the availability of this alternate flow path should the normal minimum flow path not be available due to spurious valve closure. For a fire in this fire area, the Train A charging pump is to be utilized to achieve safe shutdown and spurious operation or the inability to operate this valve in the Train B charging pump alternate minimum flow path is not a concern. l}}

ML20203K762

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