ML060690142

Memo from W. Johnston, NRR, to R. Tedesco, NRR, Fire Protection Safety Evaluation Report - Wolf Creek

ML060690142
Person / Time
Site:	Wolf Creek
Issue date:	10/27/1981
From:	Johnston W Division of Engineering
To:	Tedesco R Division of Engineering
References
FOIA/PA-2006-0095 NUDOCS 8111250692
Download: ML060690142 (21)

Text

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~FROP SU9¶BJECT:

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FOR:

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IYUVO2 Robert L.. tedesco, Assistant Director for Licensing.,;

Division of Aicenifing.-:s

r Willia'nV.,ohniton, Assistant Director for ?!aterlals I Quelifications Engineeringq Division of Engineering f1iRE PROTECTIOUl SAFETY EVALUATIOti REPORT - VIOLF CREEK

?LCLtEAR POMER PLMTITo VITNO. 1 i

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Fiant raty; Wolf CrOCK Nuclear Lower Plant, Docket Uurber: 504f2 Licensing Stage:

OL Responsible Dranch: LB #1 Project tana er: G. Edison Cher-.lcal Lngincering keviewr: FP, Anand Requested Completion Date: Coverber 2, l9P11 rtev

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,*z Itrst~ule Unit I;o. 1

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J Enclosed Is thp fire Protection Safety Evaluating Report.

0e reviewed tth Fire Protection Progran1 in accordance with Appendix A to Cranch Technical Position ASD 9.1 and Appendix R to *2 CRF Part 50.

We have not riade a fire protection rvview site visit because the construction of the plant has not progressed to the level when such a visit would be rican-in;ful.

7he following are unresolved itecs:

- (ur evaluation of the applicants ghutdoin analysis corcerningthe.adequacy of saparatlon for fire protection and tho alternate shutoowm systerm for the control root Is on.~'olng,

. The applicant has not provided adequate intonation on tbe. penetration seals to corplita our cview.

• We will require that certain calel trpys and/or conduit supports to prouected for ona hour fire ratino.

• We will require all control and sectionalizing valves to he eltther electrically supervised or le locked In the open position.

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- The applicant is evaluating the systen to collect and contain oil for each reactor coolant puri for confornmnco to Appendix and will provide an engineered RCP Oil Collection Systoi that roquircients of para. C.2 or Peql. Gudo 1.29.

The results of will be docurmnted in a future mr.ndmnt.o' Ve will report on these unresolved ttms In a subsequent SEP, lubricatin; n roqnirercents will r.3eOt tiho this evaluiation Except for the fire ptup evaluatimn, this SER is identical to thc Callaway SEU which tins Issued to you on Scpteiter 22, 19M1.

IWilliam V. Johnston, Assistant Ilirector for f'aterials ?.

Qualifications tjnlincerinj Division nt tnvinearing

Enclosure:

As stated cc: n. Voll rr D. risenhut P. Check

0. Parr J. Younq'blood V. Dcnaroya M. Srinvasan F. [hose R. Fcrmjuson

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WOLF CREEK UNIT I EVALUATION REPORT FIRE PROTrECTION REVIEW TABLE OF CONTENTS Pace I.

Introduction 1

I1. Fire Protection Systems Description & Evaluation............

2 A. Water Supply Systems 2

B. Sprinkler and Standpipe Sys st.m 3

C. Gaseous Fire Suppression Systems 5

D. Fire Detection Systems.............

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6 III.

Other Items Related to Fire Protection Programs 7

A. Fire Barriers and Flre Barrier Penetrations..............

7 B. Fire Doors and Dampers...............................

9 IV. Emergency Lighting

................ e..

9 Y. Fire Protection for Specific Areas ggggg g.g.

gge 10 A. Control Room g

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10 B. Cable Spreading Room.

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g11 C. Containment and Reactor Building gggg.g.g.gge 12 D. Reactor Coolant Pumps g g.g g gg.

13 E. Emergency Diesel Generator Rooms..

14 F. Other Plant Areas g

g.

g g o..g e

14 VI.

Fire Protection For Safe Shutdown Capability 14 VII:

Administrative Controls Fire Brigado.........................

15 VIII.

Technical Specifications 16 IX. Appendix R Statement 1

C6 xI Conclusion 17 9 AotZ !88^ 8

ENCLOSURE FIRE PROTECTION SAFETY EVALUATION REPORT BY THE OFFICE OF NUCLEAR REACTOR REGULATION U.S. NUCLEAR REGULATORY COMMISSION IN THE MATTER OF THE KANSAS GAS & ELECTRIC COMPANY WOLF CREEK GENIERATIN1G STATION UNIT 1 DOCKET NO. 50.482 S.

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I. INTRoQUCTToN We have reviewed the Woltf Creek Generating Station, Unit No. 1 Fire Protection Program ReevaLuation submitted by the applicant by SNUPPS Letter dated ApriL 15, 1977, and the revised SNUPPS fire hazards analysis dated Juno 29, 1981 and the FSAR site (cs;(rdu.

Rev, 4. The s'lbmittaL war it response to our rehil,:s to evaluat@ their fire protection'program against the guidqLineb cf Appendix A to Branch TochnicaL Position ASS 9.5-1, "GuideLines ior Fire Protection for Nuclear Power Plants," and Appendix R to Io crR Part 50.

We have not made the site visit yet because the construction of the ptant has not progressed to the Level where such a visit wouLd be meaningfuL.

As part of our review, we wiLL visit the pLant site to examine the reLationship of safety related components, systems, and ltri tures in specific plant areas to both conbustibLe materials and to associated fire detection and s

pression systems.

The objective of our review is to ensure that in the event of a fie at WoLf Creek Unit i personnel and ptant equipment wouLd bo adequate to safeLy shutdown tho reactor, to maintain the plant in a safe shutdown condition, and to minimize the release of radio-active material to the environment.

r review included an evaluation of the AutomoatiL and manuaLty operated water and gas fire suppression systems, fnd fire detection systems, ftre barriers, fire doors and damp,.s, 11 e protection adminitv.rative controLb, and the fire brigade size.

Our consultants, Gage Babcock and Associates# Inc., participated in the review of the fire protectlon prolrom and In the preparation of this safety evaluation report, and concur with our findings.

I

11.

FIRE PROTECTIONNSYSTEMS DESCRIPTION AND EVA A. Water SupplY Systems The water supply system consists of two fire pumps separateLy connected to a buried, 12-Inch pipe Loop around the pLant.

There are two 100X capacity fire pumps.

One pump is electric motor driven and the other is diesol engine driver.

The 1 ITmps are Located in circuLating water screen house with the eLectric-fire pump separated by a fire-rated waLL from the dieseL pump.

The fire pump and controLLers are Underwriter's Laboratory Listed.

ControLLers and pumps wiLL be instaLLed and tested in accordance with NFPA 20, A separate jockey pump maintains the yard fire main pressure.

1f the fire main pressure drops, the electric motor driven fire pump wiLL automaticaLLy start.

The diesel engine driven fire pump wiLL start automaticaLLy if the pressure drops to below the settings )I the electric pump.

Separate audibLe and visual aLarms are proiijed in the control room for each pump to monitor pump operation, prime mover avaiLabiLity, power faiLure, and faiLure of a fire pump to start.

ALL valves in the fire protection outside yard Loop water suppLy system are eLectric3LLy supervised with aLarcs in the controL room.

ALL other vaLves are administrative control.

We wiLL require aLL cottrol and sectionaLizing vaLves tl,,;t are not eLectrical, supervisedito be Locked opon and under a management supervisor program with start key controL and periodic visuaL check of the vaLves.

The pumps take suction from a common wet pit sump in the

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circulating water screen house.

Two traveling water screens and bar grill are Located at the inLet to sump serving the fire pumps.

The greatest water demand for the fixed fire suppression systems is 2300 gpm and, coupled with 1000 gpm for hose streams creates a total water demand of 3300 gpm at a residual pressure of 80 psig.

We find :rtt the water supply system can deliver thc required water demand with one pump out of service.

We will report on valve suoervision in a subsequent safety evaluation report.

I P.

SprinkLer and Standpipe Systems The autonatic sprinkler systems and standpipe risers are connected to separate interior water supply headers.

The interior headers are fed fror each end through separate supply connections to the Looped yard system with appropriate valves so that sections can be isolated to perform maintenance or to prevent a single tirak from impairing the entire distribution system.

In addition, header and divisional valve arrangement is such that no single failure can impair both primary and backup fire protection systems protecting a single tire area.

The water supply valves to the suppression systems are electrically supervised with alarms in the control room.

In additio0n the sprinkler systems; have water flow alarms which ularm in the control room.

The automatic sprinkler system, efg., wet pipe sprinkler systems, pro-action sprinkler systems, and water spray systemsp will be designed to the recommendations of National Fire Protection Association (NFPA) Standards No. 13, "Standard for

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I the Installation of Sprinkler Systemsp" and No. IS, "Standard for Water Spray Fixed Systems."

The areas that are equipped with automatic water suppression systems include the foLLowing:

System Area Automztic wet-pipe sprinkler Turbine Lube oiL stur'qa.

tan!

system Auxiliary boiLer room k

Turbine lube oil reservoir room Condenser pit (area beneath the main condensers)

Dry waste compactor Cradwaste buiLding)

Access control area (control building)

CabLe area above access control Automatic water spray system arca Vertical cable chases (auxiliary and controt buildings)

Fire pump house Hydrogen seaL oil unit Main transformer AuxiLiary tran.formcr Station service transformer ESF transformer

Automatic pre-action sprinkler Fuel buiLding raiLroad bay Lower cable spreading room Upper cable spreading room Cable tras at LL 1974' -0"' 2000' - 0.

and 2026' -0" of the auxiliary building Diesel generator rooms Area below turbine generator operating floor and mezzanine floor Manual hose stations are located throughout the plant to ensure that an effective hose stream can be directed to any safety rolated area in the plant.

Yho standpipes are consistent with the requirements of NFPA 14, "Standard for the Instaltation of Standpipe and Hose Systems."

Standpipos are 4-and 2-1/2-inch diameter pipe for multiple and singlo hose station supplies, respectively.

Based on our ovaluation, we conclude that the sprinkler and standpipe systems are adequate, meet the guidelines of Appendix AP Soctiont C.3a and C,3d, and are* therefore acceptable.

C.

Gaseous Fire Suppression SYstiml A Halon total flooding system is used as the primary extinguishing agent in the ESF switchgoar rooms, nonvital

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.switchgear and transformer rooms and switchgear rooms.

The system is designed to produce a 5 to 10 percent Halon concentration with a soaking time ot 10 minutes.

The system is activated by cross-zoned ionization detectors.

The concentration and soak time are adequate to extinguish potential fires in these areas.

Tht Halon suppression system -Is installed in accordace with the requirements of NFPA 12A, "Standard on Hatogenated Fire Extinguishing Agent Systems -

Halon 1301."

We have reviewed the concentratopno soak times and the design criteria for the Halon Fire suppression system.

Based on our evaluation, we conclude that the gaseous fire suppression systems are adequate, meet tho guidelines of Appendix A, to BTP ASO 9.S5-1 and are in accordance with the applicable portions of NFPA Standard IA, and are therefore, accptabte.

D. Fire Detection Systems The fire detection systems consist of Ionization detectors, alars control units associated etectrical circuitry, etectrical powersupplies and fire ammunciator panels.

There are 259 zones divided up into four la-m control units.

The detection system operates on 24 V.D.C.

The power supply to the alarm controt units is 120 V.%.C. with 120 V. D.C. nonclass IE backir.

The D.C. power. tvstem is backed by

• battery supply.

Automatic switchover to D.C. is provided In each alarm control unit in the event of A.C. power supply failure.

All automatic suppression systems operate on 125 V. D.C. and the alarm control units serves as a distribution panel.

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for area detectaonand t

larm systems andjfor ll detection for

, c i sh'ing,,systems.ite nfig'na V,1 received;by I 1the atarm. control units.Atarayand control functions aroethen n i a'

nted by the alarmcontro

'unltc with tho appropriate 5

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auimnunciation ithe contoFroo or ivalvv supervision,-

,truble Iystcn discharger"and.and ther alarm avJ

troubL signals generated 'by theCocaliextinguishing system control panelsp the signals feed through the alarm controt unit multipLexer to thoecontrol room panel.;

A multiplex transmitterlrectivor unitsare installted with each alarm control unit.

The tour alarm control units are connected to a multiplex controller located In the fire protection control panel in the control room.e The wiring between each T/R and the controller consists of two data Loops# In safety-related areas, the fire detection and slarm system meets NFPA 72D, Cless A. All other initiating device circuits are Clats I.

the fire del-:tion systems ar# Installed according to NFPA 72D, "Standard for the Installatlon, Maintenance and Use of Proprietary Protective SIgnaling Systems."

We have epviewed the fire detection systems to ensure that fire detectors are adequateto provide detection and alarm of fires thA. cou'd occur.

We have atso reviewed the design criteria of the fire detection system to ensure that they

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c:b-conform to the applicable sections of NFPA 72D.

111.

OTHER-ITEMI-R[LATEDttO [IRE PROTECTION PROGRAMS A. fire Darriers and fire BarieLrPenotrations Where safe shutdown equipment is enctosed by a fire barrier#

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eterm ne i f If i raIIt e p'rO'.'V' i de d a' reiadequate r-the areas a f ii c f e d a n' dm. L!

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d6i i gns' 'f o r' L Lf i'r'e' Penetration1seals
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cab t e hi t rays..': conduits...' and
ipipi`n9 11 ch Passiitholipinitration.,

t qualification te S'An'cLuding thC_ tim"ent'e m pe ratu reexPo sure If i.re; curve speci f ij
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ot rovided a q u a t einformation c nIt h ee n e It r a t i 0 n's e a It Comptete our d

P P I, r e v W 0 w i L L t

report'jonj, pone rat on i
!'s a L 2, i In a!Subsequent Ss fQtY evaluation report 'sea!,;"

nS14UPPS FSAR s i 0 In 4,,
It h P P L i cilii ha t 0proviJe one-hour f i re rafed barr.iorsi th ak Wi L' L,';'ma'initain i r c u i t VJ iAntegritY for one hour'- fo
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and/

Al 0 re c a L e trays 'of one of two redundant divi lions t he t-ar 14 1 i h i in 1

2 0 jfOOt of each other as w o t L as an area utollatic i n k L a in system

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,;;concir-t1,,!-n'neid netdat',thote, it O ctu'r al;suppoot I":O o'f't he s a, c abic'"t raysinay!@ :.

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Penetrationse I'naddil t ionij0:ho',equipmont 1hatchway in the

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ti c sprinkler-3Y t-;i-2sste nwa t er c u',r t'a in.;T` '

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'dev ces will carry, t h aU.L.: Labq withlifirt dampers 1instatled il-,o'

-n sletves' which are att c hed to~ thodctork and supported 58-';

by-the Walls.

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ffj4f~fEo'sed on our revfiowi we concLudi':that theo'fire doors and I,,'dampers are provided, in ace rdanceiiwith ~tho guidelines of

%3, rA #fppendix Ato 87P'S MO M5-,I;,Soctioh I I';'

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nd; re.- therefore I;4y j-'h applicant has i1nstatted, in O'hour: battery pa ck emergency st-';,ig9htingi-pnit in s L L'r'ooss!of~ the plant 'needed ior operation

,j,, + Ofsao hudow eutro od n ccs and egress routes*

t'h,'do onctude thato,,the emergenc Cy 1tight ing oest requirements we fi th I#

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of Appendx; A to ',rTP; ASB-95-a1S and, also the provisions of S c ton' ZI J e Wof FAppendiX 10 CFR Par:t50 and is, there a~

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FIRE PROTECTION FOR SPECI A:

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, o om>,<+,W "hc controlroomicomple'x I s sepprited,-froma'oll other 'areas of the plant~byrtthree-heurjd wolfsi

'cilngfloors assemblies 2

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floors and doors.

Allt'entilatioA ducts penetrating these a U. >

barriers have three-hour..fire rated:,dampers. :,The control room complex'peripheral room's are constructed to provide a, minimum,'

f re'rating of one hour.

Smoke detectorsarei installed in i

these rooms which will alarm ond snnunciatie6n the control these','rooI; which W L

di l All cabin'ets Cwhich contain both triins of redundant safety-ated conduit, cable, or wire requireod.'or safe shutdown),'

c 0 consol'es, and the ventilation exhaust system 'within the control room have ionization 1ire detectorsl'installed.

Automatic smoke detectors are provided at the ceiling of the control rooms The main control room ventilation system can I

iIbe iremote manual isolated from: theo mincontrol room as it has capabitity of being used as a smoke removal system.

Automatic Itmoke detection Is provided f ar the outide air Intakes to t h o f; control troom ventilation system. -

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de though~t a: us fpra II I Manual ire fighting is provided thr thuse of portable seextinguihers and water hose reels.o nqt is to be inst ioled ith'tl Crpeig t ed n ocontro Vroom with a flame 2l

-spread rating of 50 and a smoke density 'of i180 when tested M 1 tt1 I

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according0to ASTME-84, We o'clud thai thecarpeting meets cguidaeii hen

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our, nd is, thecforeJeptable, jf Thetloo tth,cotol roocontins n ine cabte trenches 3 tinchd eh p,,which,,

,,ti he ht 'f t h nueeup7thet

,in the control roove'e'Th bytrenchesace b

ee ith the verticaL'a chasesfoe it th;i terock (not rated);

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'three-hour',rated barrier. is provided between each vertical.

cabl,chaso'.

cAccess pantls are'provided for 'each chase as well.

as he tel-oVer s on:,t h e trverticaL remrene

,,rovable. The vertical

,wa V, rays and the ni rmcovers on'the.,trenches containing cabLe f1rom the, upper, cabLo spreading room to t he control panels are Iprovided with an automati cally activated Halton-1301 fire protection system.

,y Letter. dated Juhne 15, 1981, the applicant stated that an eashutdown~system wouLd be providedf-or the control room.

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-,,Based on our review and commitments, wo conclude that the fire protection for-control room meets the guidelines of Appendix A 5

to BTP ASO 9.5-1 and i e, r terforo, ot B.FCable Spreadinp Room 5

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-'1 The uppor and lowori cable spreing rooms are soparatd rom

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the balance of the plant by threeohour fire-rated walls and I).'

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'r floor/ceiling assemblies."l' Each room 'contains the cables from

'5 only one division., Three-hour fire rated fire dampers are

,;l I'H i,,provided for atl vontilation ducts that pierce the walls.

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n auomr~t dtoeor 1,I~fsftalitdfb omat,>ichpre fffafftiorcon sysepmp.

Llesyp hfrmi deiteThor'sstem, is; d'stiged l l

'-13ea w'or ifl th ysar~>conette~n

.04nGPMtper squaef o PerJ NFPA' raSit,.te............

off;;o..... :I 11=41f~iffi VM 0

• detectors are atlsoi'-nstalled-iniallareaswhere cabtletrays, are.

on z

n ype;,

3 t*e tor r.e' concen'rated'`andd1onitiOn'fpeeteCor5-are1ft8led in'tho containment-'cool'rt ucThis Om l'hrIaIutomt`atic i etection system alarms are *oned: in th

,cntroln room i

c--Portableextingushers'¢,andimanual hosest'ations4are permanently nstaltdJ tns idqcntainjment'

'At our requn'stthee ppLicant agreed'to install' two additional hose stations stch, that esery hose station will bt' spaced'n'm oro than 100 feet from an adjacent hose station.

A fixed manually charged 'closed head sprinkLer system is provided

¶9

.1 over the two cable 'tray penetration areas.

The design density for the'system is 0.3 gpm/square feet.

The precsure and flow rate are based on all heads open in the most remote 14000 square feet.

Based on our review# we conclude that the fire protection for the containment meets the guidelines of Appendix A to BTP ASO 9.5-1 and is therefore, acceptable.

-D Reactor Coolant Pumps t"

The system is designed to, 'collect and conta in lubricating oil for each reactor coolant pump.

The oil collection tanks and piping are being designed to muintain their Integrity foLlowing a safe shutdown earthquake. The applicant is evaluating the sy.tem for conformance to Appendix R requirements and will provide an engineered oil colliction system that will meet the requirements of paragraph C.2 of Rego. Guido 1.29.

The results of this evaluation wilt, be documented in a future amendment.

E Emergen'cyDyiesel Generator Rooms l

Eachiof the emergency' diesel generators is in. its own protected

,!~.rom Si, ot r c

-anddoors hvn f,,;, oseparated n

byTwi fl lilLn minimum fire rating~ofh3, %or',

'11 A cable and 'pipIng 'pen'itration through thefire-rated barriers are fitted with,,3-hour,*itepvnetiratIon s 'a L's The 550 gallon diesel funl oi l day tank'is contained by a dike around the baseotiof hthe tank :

willh'old'110% of the contents of the day tank with drafniii d a safo Location.

Early warning fire.detection is provided by infrared detectors.

The detection systimaltarms locallyL nd~in the control room.

Manuat-pull fire alarm stations areLocated near the exit

doorways, An automatic preaction sprinkler system isprovided for each area and is automaticatllycharged by, detctor actuation.

Heot vents In the roof are spring Loaded to open when a thermal link Is activated by the heat of the fire.

eased on our ovaluation, we concludo that the fire protection for the diesel generator rooms meets the guidelines of Appendix A to OYP ASD 9.5-1 and iso therefore* acceptable.

Fl Other Plant Areas' The applicant's Fire Hazards Analysis addresses other ptant areas not specifically discussed in this roport.

We find that the fire protection for those areas areon accordance with the guidelines of Appondix A to DTP ASO 9.5-1, and arep therefore, acceptabl.t I

V FIRE PROTECTION FOR IAFg SHUTDOtRCAPAILITY Dy lotter dated June 15

'1981 the ap'picant stated he has

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a means of achieving 'nd maintaininhot'standby. 'Col shutdown

dcan be achieved a 0maintasiied from outsidd';th'. control room by additional manusaloperator actions at jloca'control sites.

Our

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• evaluation of the applicant's program to identify shutdown systems* the separat0on of :iuc herysteasafor IIre protectfon, and the alternate shutdown Iystem i,?on-going' :

VII.

ADMINISTRATIVE 'CONTROLS 'AND fIRE BRIGADE A D E';

The administrative,'controls for fire protection consists of the fire protection organization, the fire brigade training, the controls over combustibles andilgnition source, the prefire plans and procedures for-fighting' fiOsnd quality assurance.

The fire brigade will1 be compaosed of idtve members per shift.

To have proper coverage during all phases of ope'ration, members of each shitW'crew will be trained in fire protection in accordance with our guidance including Regulatory Guide 1.101, "Emergency Planning for Nuclear Power Plants."' The applicant by Letter dated June 17, 19811 has agreed to implement the fire protection program contained inthe;staff supplement guidance "Nluctear Plant fir@ Protection Functional Responsibilities, I

It 7

Administrative Controls and Quatity Assu'rance' dated August 29, 1977, including (1) fire brigade training#

(2) control of combustiLles, (3) controt of ignition sources, (4) fire fighting procedures, and (5) quality'assurance.

The The applicant Will implement the ptant administrative controls and procedurot before fuel loading.

We conclude that with' the coismitments, the size of the fire t^

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.the fir, brigade quipentand the training wi lL contorm 4

to t re ommedatiah"o f i t~he N ational. F'ire' P ro0te0-cti on Association#

f!-;l~tothe' recommendationsotthi i

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t'to'Appendix A toIBTPD ASB 9.5-^1

'and'toour suppaLmental staff guidelines and, therefore,,art.'acceptable.

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VI.,TECHNICAL SPECIFICATIONSS:S,,l,-,,' '

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The applicant has committed t&cfolLcwsour StandardjTechnical.

Specifications. ie f ind,this' acceptable.',

I X.

APPENDIX R sTATEMENT 4 4

,On May 23o 1980, the Commission'issued Memorandum and Order

-CL 1-80-21) which states thatv "'The combination of the guidance. contained in Appendix A to BTP ASS 9.5-1 and the requirenents set forth inithis'rule' define the essential elements for an acceptable firc protection program at nucLear power plants docketed for Construct1ion Permit prior to July 1, 1976o for demonstration of compliance with General.

Design Criterion 3 of Appendix A to 10 CFR Part 50." On October 27?

1980o the Commission approved a rute concerning fire protection.

The rut. and 1Its Appendix R were developed to establish the minimum acceptabLe fire protection requirements necessary to resoLve certaina&'res of concern in contest between

,the staff and Licensees of pLants operating prior to January I, 1979. The requirements set forth in Appendix R are being used as guidelines in the (licensing ot plants after January. l 1979.

On ApriVl27,, 1981o the Commission required 4

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-4 that operating ticenses issued after January 1, 1979o contain a condition requiring compliance with commitments made by an

,applicant and agreed to by the staff after differences 4

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,f.the ppic,aPtan ts

,pftrogwm'amnd thfe guidelines set forth'

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i i,;tt e,,,nApp endixjA'to~eTPt 9.54 'and,'pen~: '1'F.0hv

>'.,.*.'.lbe,ben'iddentified~and evaluated wit requirehenappicnd 0.eet et ee th1 gr m a cl

e,'e fie s to re t htihW,;5,pp,,+c&

AP' and`0 uiv l'en tot ndi XR O have 1,;eef iidJn There are isix unresolvedfitlo protectbon Items to be revlewed.,

These *ix items Involtveatternate shutdown t

ystem, protection of cable tray supports, oil toteto separation for

.., fire protection, vatelvo..........

suPervisionand penetration seaLs.

We vill report our revpiewdof these sixR'tems1in a subsequent safety evaluation report.

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