ML20090M438

Responds to IE Bulletin 75-04B Requesting Repts of Fire Protection Insps Conducted by non-NRC Groups Since 750322

ML20090M438
Person / Time
Site:	Monticello, Prairie Island
Issue date:	12/05/1975
From:	Wachter L NORTHERN STATES POWER CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20090M436	List: ML20090M438
References
IEB-75-04, IEB-75-4, NUDOCS 9104260275
Download: ML20090M438 (13)

Text

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.. h l.:.,.). x f4 O If T H C 11 N GTATCS l' O W C 11 C O l.1 !* A f 4 Y t

j M I N N c A f a r3 6.l g3, M a p, N t; r pt 4 354o, Dn erher 5, 1975

!:r J G 1:cppler f ai rec t or, Region 111 Of fic e of Inspec tion 6 Enforcer.ent l'ni t < d st at es ::uclear Regulat ory Cocuission 7 99 };c.c a, e !: Pt nd Glen Ellyn, Illinois 00137 In ar '. Kepplcr:

b

.j, pTM11:1E J LAND NUCLEAR CEMEIMT1! 0 PL*J:T I G N T ::0 5, 50-263r 30-282; LTCENSE NOS. DPn-4)., D P P.- 60 in resp.. e to IC Bn11etin 75-04B, report s of fire protection inspecticas conducted by non MC groups since hrch 22, 1975 are submitted along with eur puition with respect t o t he reco enendations resul t ing from these inspections.

Also included in t hi s n : po,se is a descriptien of the nuarcus fire protection inspecticns and equi px nt checks ccmducted on a scheduled basis by 1:nrthern States rewr Cor.pany pe rs onre l.

This description is included to give a cenplete pic ture of the fire prottetten practiccs in effect at our Prairic Island Plc.nt.

ire bv1ieve that your requcst for such inspection reports is taast inappropriate in that it solic i t es judgrunt s from an orp,aniration not competent. to evalunte nuclear b.inarJs,.;ad t hose principal interest is less claim linitation and pceilt Ci1ity of the insur:mce carric r vi thout regard to cor.ts tm the !nrured.

'ihis places the I:RC in t he position of intrudina into and requiring disclosure of comercial naterInl relat ing to insurance preuf um rate economics.

The requested information in nevertheless provided here with our reliance on SRC prudence in the une and tilselosure thereof.

In s,, c t.f onr. hv ::an NSp Grauns A.

Nuclear Energy 1.iability Property Insurance Association inspection report dated Sr.ptember 3, 25, 1975 (Attachnent fl).

Ik v onse to New Recoruendations 75-2 V.ilve uas repaired and eberable on October 14, 1975, i

75-3 Replacer.cnt of t he strainer parts and other neconsary work to nahe the j

n wash pnop f unct ion as int ended in the fire system u;n. c ut..p l e t ed on

e. i s j

octo!..r 31, 1975.

9104260275 751216 PDR ADOCK 05000263 G

PDR

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_ _ _ _ ~ _ _. _ _,. _ _... _. _ _... _ - ~ _ _ _ _ _ _ _ _. _ _.. _. _ _ _. _. -

k' f 40!rrlii r;N GTATIGO l'OWidl7 C O M f' A N Y 2-D.cember 5, 1975 M r.1 C I:c pp h. r 1

N m ic nta t ion of t his rehr.tn :ndat ion would provide l

7 b !. ' s' e c i nclude t hat the I sa e" configurrit ion than r

n, t aire sota,ce that the plant i t.

In a nire " fire i.. n.. pres ;ded by en t t iv..Hninis t rat ive precedure8, !%tt, i n s pa r t i on r.,

. ut rep wtr.

It nmid vrve no purpare, but t o c omne rore adniais t rat ive anJ cenrrate t 're pap:r.

'ite reco: r adat i on i s rej ec t ed.

t ::

7 5-3 rcr. ay yi t. r r. i t. h n s be t n t h - policy of !Gp to f i r.h t turbine fires riih Scse s t at ions ee.oipped with fos norvles aad pe :t able equip = nt.

• fhi s pani t ion un t vi.en became of the potent ial f or ucidentally cc tivat ing any i

fiwd s prc.y sye t en nn i the dest ruction that would reruit from spray'ing cold o d er ca a het t urM ne.

Vac n prai rie I c i t.ud uns c ons t ruc t ed, fh.ed spray innta11eJ at the continued urgins of our fire insurance pret ec t li n 1 (arcier, L'c still b.slicce that tk prehabili ty of acc ident ally ac t uat ion t h i r.

is 'ar t.r n t than the p;ohability of e-pcriencing a turbine y

fire.

n ic p al n: t um ien it.m i w r r re t t e r p re' hi)ity if the

,, r. t e n

)

rmch an accident could b3 as restly to !.Sp as a

. c t u a t a r.

t o.- 4 t i e :11y. ' qu Q: :.n t du

.md lers cf ;encra'_*on.'

'fi.e

'tm

..rc in t e c..s o.

t' rec. c4 o? u t on t o provide not o mt ic spray syst er.s oa ;he turbi na c.ener at e r u.t. bet <df: t h.. '

.r en-gion he c.

.o pis hgj t, rjde t i ugy p aqnye i 7i-1 ih !-

ama is not a sa fet y rei nt ed area and i s c e,p1et e ly 'se pp u te d f ran the plant.

> nat ion of the pu.np r;: vented that r.aint z u:ce uni nceded.

Th!s work 09- ? / -

.i and is bein7,i<.pdited.

is in pcc.

s P..

Nuc h ar F.ner.".y 1.iabi1i ty Property J nsurance Associatien intpection report da t ed.;ove: ae r 3, 19 7 5 (!,t t..c he.un t id).'

ro

..c.;e la n: cc.:ndaticar.

1.

At tha J nsi nt cace of the insurance carrier a fixed pipe wat.er spriy system vas ot!ninally included in the design despit e significant reservations en ou r p a r t.

Subcaquently this systen was discoanected and disabled at the i nsistence of !.RC.

Subsequently a fixed CO2 systora w ti inst alled for t h i r. area.

The ro,, systen wi th fi re de tec t ion al a

s, the use of Kerite l

LpR rahle having fi c telardant preparties, linited cabic tray fill, ute of cable tray covers and cable tray separation ir our jud:U.ent provides j

solequate f i re prot ec tion.

• ihe rece andat ion fe r a water spray syst m

rejetted, i s i

2.

Cable t rays are abundant in every area of the plant and the potential for fire in those t rayn was addtc ar.ed and ' deal L wi th in some de t all durior plant druinn vrel count ruc tion.

ci r Cnl cnh1cs v!l1t k I k' b B k

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N cM r t m: U.' N ! >TNi fig i owl:n COMIMNY 3-1r c ci.M r 5, 19/5 1r J c is;.,,ler b,

c c.b l t tiny f i ll U.s i c.n i t m. O t o as'uie t hot eli t t rical leM i

• from c o',l e s, do a ri t c c i st.

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II oting in the t ra) '.

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d. - i g o c s' to *:: tic,fy >J m;)e f ailu re critirin.

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!.. - t t i n f. e.' the Prai'cie I rl. tad T5 \\P d, Pc r ibi tht s'c'ign in this i.

c.

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ti t i cuirred in niccs Uhcri 1 :s fra a h ?Y O C Ol'I d

,' i e r t i,. a l I r ay:. i.rc.calcd usI'., firc r o t.1 si c:n t a i>.

c.. e ien.

c, h il<u' ci( \\

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.s y n t s re 1.us t c l i t o in pot eat ini fire cr.

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R r u f'ic ie.:

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c' y.otted t h rea,. ' ut t's

1. l a n t for fi<htin; any fi rs t that. :y o t te r t.

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< y.,1 tha n,il.i d i n: I. ( n t o f

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c it ity ttin '. of t he dei.ctors (c.n be w red an 1. J j.n tc d pe r I,

cu r! r c.

n ' :: t i o n s.

T'.l i ' br.r. Mcn dt

's er detcctorf re qu i ci rp, s

.c vill 'u cen Id.. i d t o test a pJartien of the

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cn a p i eu, j. e 3>

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ht: to (.Le n,<

n a: o ci; i n c. u \\;1 t 1 ura.t to

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a t. = r. '

(. t n;. t t. ten.

(.ntr e,'erli n.e UJt.e 3L.u ). t r

,t a.n nic r ei. t,piecters ii 'ic,ter c' ' r l i' O l '

'1 d yr to ci' t V J '1 t : t i n,', i s cF ! ban 10 of ti s,1 i-t ellm.

6 loir t e, is ope rated on anti:.: t i c da s n the reo, i s not inhabited, such

e at l ' i ', h l 13 P ce r Ut P h e n;..

}t Vill cen!',ae t o bO op rated in 7.a1ual d u c i r.; nornal coching hours because the rc :'m i '. then occu, led by.lant t

i

. t eii cio 1 U.

have c o.w ei ns fo r pe rsonn 31 s a f e t ',.

c ier to : i b:n no raiced floor; it i s pi at oc t ed by the

• .ra CO, 5.

'i h r i.

u

.t.;i t hat

i. r e,

the cable s; rea. ling rom ninre it is loc ated in tb3 Ut n t c r o f iht C cdile p i s'. d i t t,_,

1. i c.

i i

. i 'ation

b. re j e c t ed.

L value of a solid stria.a no c l t-6 i b i :, r c c < -

in th. c o' l e. p r t : il i ne, t o o"- i : qu e t l oi.a'il e.

T'a 0 d..n:;e r o f pe t t i n;.:

a inlId - t 1..

I l o :. /, l e ell {1 be 'r e lll.O'l 11 a l' e } i e t ri f ;t1 eqM i[<.

'nt could ie* Ult io injOry IU po r.s o n ne l.

4 u%

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t Joi?Yi-:ImN O PNTICO l' O W l:l? C ol.1 PAN Y 4-ne m ser s, m 3 yrae,pg,r c a h _.T_r 4.v.s.

7.

B jorted.

F:

re: po:vm t o rec iu n i c' t i c a ' w.* e.

"i )

l.o i..n..,,

f.

A c h.. l 1:.a i r.

in effect in the Prairle Jelend n?rgoney pl.ni.

9 Thie-t cci i n ! n <, i.t presented periodically by ['rwennel froc. the C.tneral orrice

ci r t of the p)

:n t retrainin: pri ; r.n.

al rs si tu er th.-

reniric 2nlau:1 c: ;;iacy plaa prociden (his 10 che 4

re c e:

- ': - 41 o c i ; ;a i. n far Ley ;<nple of tie f i re t'. pe r tt.c n t.

' ! :. t ic1 i% not ( DII' A d O T Ji' nsCf:ary in iilAl T47

• dd i t P.1 F

f-

., e the pl:.nt vould e. scort.'r' in Lccp!at fire ri; ',: W s

vith ur : c di a ien af et y proce dure s.

11, inr,ecticas aih'n c r ing t hi n cancern t re cen !rc t ed by t he plemt op rating rt n ef d vil!

b., dreet ib <1 l o't c r in this report.

k'e j ut e th!s cc.< rec.-

te*

'1 c,o ca c c' t.tc n : e er ee t al f unpc e t ! a to n r,'; =d t e t'd s JAs.~

• C ;..

l' & 11 3

the rioi.:n 1,1..uJ ' evrac u y Plz,n

.nh',m es rcmp.iase to

..:th

=:hich

. nd o f v.i rc i n,

.cvur (y up t o cad includia;; the worst c.v31t ion r e t' i s,, i :o th u.

u ened a pc cible.

.e bMicvc the plon es d ai p:d

.1 : e t.J y

. a r, n.., s 1,, e s e c on e c ra r,

l ':.

Cwels;ted durinr, ple,nt p,. v, : r a t i ona l t o t.L in y..

rire ittectors

f..

pVO/ I d ?ti ip *he t e rl i?.

'iY'.

re ci [ Uh i c h v;ii. n fiU [ (,,

lt y l C p l } y Ye 'i to r, s,..: rd t o this need.

The r( c o'.

nJat ioa i s rejec ted.

16 This r, e ;.endat ion vill 1.cuvide no signi ficant protec t ion iriprovenant-o id would recpiire a najor redot.lgn of the plant.

It is rejected for economic acasnaa.

L ' i b l,t i..P.i.'.m.. t. F i t i.o n.s..

17.

Th i s cr nn rn wa s add rec sed and !;nC vas inf. r:.h d by c.c t i t.n t.nen by our rapanre to 11: nulletin 75-04A, dated Jem M, 1975.

1;o further action is ple.nnod.

i l.4 l.'i't e d.:nd ap, re e.

19

%ic

,i..te ent 13. Irue.

1 1

1 1

i._, _ _ _. _

_....-._.__,,-__,.-..___...-.,._-_..-,_,-.__.-._,,_.__m._,-~,__,_.-

(4.

~J l

4 No!Wi il7eN GTNri G P O W U'R COMi%. s j

l

'. r.1 G r.ppler Darei k r 5, 1975 ri cc.t ended will be nade ava:)able Io cont rol

O.

liro:it h I nr app.irm v <

,9 roen p.. r: onac1.

I.' i n.< !.a n t Ci riiti ! b

?l.

These coacerns vere adupiately addresred in the der I.n of Prairie island t

au det ailod in p, ion 8 o f i t s TS/d'.

During const s ect len, insp-e t ions n> su red t b:,t the d. sign c rit eria vere f r plet ented.

We do not W 1ieve it is n< cs sary t o rec entuate that work at this tince.

Ine recerm udation i s re ject ed.

a c.! c,

c, : c. i.c_.e r?.

l'u t' w ere not fi re f r 7 c t o rt, bu t. nre c en t rc : t t. d t o p rcce t d o ir'ust rial s.

.r!ty, p l.,.

'r r t er.,c t ; el t i n fulfiil lin ocodn of this i < :

idation ins;du t i: e plant flities.

.;i s t c 11 :'n, ou s 21 nm me te rec,- m,1n t ion !:o. 3 o f t hi s in c.pec t ion reper t providc* nur ce n, an t his ret e-

undation, ec t s o.m

d. so rt i l l a n c e T e :. t >. Perfor,ed F,y P1 wt Staff il.

s.,

rire prei.. t ion check t c st i1050 (Manthly)

At.-t t o c. su r e that tlu fire puups start to paint nin peper occ rnting

1 t' e fir

• pNt ;t 4cn rt".'tta harder.

l P.,

F i r,.

Pr.n<" tier r" !cn Dh 1 Op.

e t ! " a ' rest 1525 ft~ekly) t j

/. tett t o ausure prever eparMien vf the diesel driven fire rug i n,ine.

I j

c.

Inrp cl ic n of Pl ant Hosa st ations & Port able Fi re Ext _ingu.i cher s (Mouthly, j

T. t t 015a?).

i i

i A ch.'ch to aseure that tbis equipment is in 0;ierable condit ion.

I

(

D.

\\* a l v. Ch.ch (S mt Annual, To.L ?!5'6).

/

t i

A ti st t o <.s su re that the f a.ointien vnivas that retve cm h fire header j

and c ac h' hose st at ion are ope rable.

}

K.

Tr..a.fm i e r Deloce Synt m Test (Scol in.inal)

I A ter.t to Ju unst rate that the d.: luge synteu funecion pn.pr.rly, t

f 1

I t

- -, _.. - -. - _, _-._. ~,. _ _ __

,I e

NORTHERN GTATCS POWER COMPANY tir J G Leppler 1)cceruber 5, 1975 F,

1507. Flow Ter.t (Annual, Tent fl564 A test t i, a s t.u re that the various f i re prot ec t ion r.ys t en heattern are clear and capable of deliverinr wat er flow suf fic ient for the needs of the ftre e qu i pr!en t served.

G.

Cardox Syst en Te nt A ter.t to dcnonstrate that the c ardox sys ten se rving the cable spread-ing roen activater, and func tions properly.

11.

Several one tir',

inspections were conducted at the requent o f 1:RC, in IE laulletin 75-O',a, Recore.ndations it:plenunted as a result of these ins; ec tient are documented in our verponse te IE Ealletin 7 5 - O '4 a,

datcd Ju.e 23, 1975 and in t'onthly upJate reperts f or that bullet in dated July 1975, Aunurt 19 7 5, Se pt c r'>e r 1975, Oc t obe r 1975, anJ

bve=Se r 1975.

Yours ve ry truly,

, e l D

. {..

r /,w i

t s /.t.t s t

a. /

/

L J Wac b t c r, 'li c e President Powe r Produc tic-6 Systec Operation IJW/:.a ec: R S Leyd G Charneff

o rnAlitin ini.mn.},TTAcicu:t:r el_

?...

m q.f

!{LICLt All [ fRCC'.' LI Abllll y, P110PIRTY IN5UHA"CL AMDCl4110ti b(.

The 16.4 Innge, l.of t A. !!hin. 3. Suite 323 CONflDE NT I AL I " ' " "s" '.o'nu"o" r'e', i r i,

l'a rinh.;, ton Ave. l'a r niinJ; ton, Cann. 0(itlP

..n i r n. e p h0M I., ! Y D,.J.,U.

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,' g ygg.g g g,,u7g., pgt.pg cg.gp;;;y tig)73 33;

]!iM? [' l'Mi I:! i W:I pg g g j g j g,.g.g gggy,pj,g g ygj,j;37);;g pj,4g r,]e 90. N-)$4 WM

Conferml ut f h

.;9 tijgg, gggggg (gg,.3y, ge, r,[e ut, 7,

p.

r. o o,rire Prot 111Nnt:Sou 55006 Dy P.A.

Schunan Date Sept. 3,5,19 75 Hr s, 3 -

.--L 4

h

• *.: P a ?.t i Id. /. r e n e.'i l 1 y a c e q u ate.

..lv pat h*? > tvT rec.T il I C Al s of 4 :

nt D 11,G5 00L0' I O f

VALVt % Ar P it ric d.

WI L DING t. c u i T INC.; CoDd 1 AC.s vLt pf nO L

v. n u o r i o+ ^ t r u." l' rop riet ary t o Cont r ol

. i t r c r o.v.t ua n.'u r : Coed Ioot.

. rja,ga g r ne ne g, goo.}

..surt nv e nt;v c avr ne. L'.i t e r f l ov, f r.al.c "ctt A N u Nt s: Co'd tectorn, hive.<, 00 r.ys t en,.',l'A Tu r bi nu 6 Tranc.

. 3,.i c.u n n - Ic w i.n c..u

.rt nra te. n.,i:or.. Coat ir uaus

..N A3 un e o, sur.ro Not lear Pever Plant

~

.rnonoci El,2c t ri c al Pouer

-ma c or..

o C.i a vic t, in Pa rt ly s a o,, c u,,.

' a c.ur a6 Maurly in idle arcat

..coNsT nuc t i sv.

Ec I n f. C et'

.u.

netal pan : /

outsik only wallt. uppcr f.to.turb. 2. h-1,1 4.

'.'nceu. :.a t al c:

.. en.u n e.t r. r i n t t e m r'c ro : Is

,a,,v,u,

..:.uc tran con rramet t4 T, Stec1 Sl*

.nu onor.o t ri r i u r r Tioss. Cec d - tleehly

.. etcinu nny.,no3

.huclear Ecacter, Turbire

- r.nivnT r e c c. c m O ne:. 'U r.i re.1 - f.e nig i r.p re ve;'oi l s, cabic trays, hydrogen, par t s ctorce -

.ruru r r ir.c orpT; Coc.d - Paid, but 13 n1l L'e l l cared for.

. W nTr n n :.'u cs. C x.d d i s t a r.t.

.isnr n e. emToroNa occonne. C:.e d Ar'T t r.'t t:ui t;c Y onO r hir r Tiarc Miniml - adec uale s

3 "r. AO: OMO T O?r H 4f,C.u N G : GoN1

. H f,D:Cf.C T i V r,. f 5 7 C t o J M.NO ' C C 'd

..R E A T 10 41 Yr!'-

[ r eS D u ri ** c d

'.h t e T

.ekt ric AUTN C e.T nDL: COOd

.* * 'T HE R Y AL pow e n R t. TIN O: 3bb0 I'l*[ caCh unit n t,:i.

e,, m....

.........:.6

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3.

,,,e. e..t.,. 7 e. c... e, i. e,.. e i..... e g, 3,.. g.. te _,,.. y. n.m, g,

i r,T A sm :ai curvcv ef the p]ar t ha: been conductcd t o c'cterr.ine tbc need f or a ts imprceu pcetcetica in enble artaa.

Recer.mendaticus resulting fien this einit d '" 5 vill be s ub t. t cd t hrough March & McLent.an by t he Farmingt on Of fice ra f SEE-PI A.

Testing conducted at this inspection revealed several areas of concern, thesc /. r e covered in recon cndations 75-2 throurh 75-5.

They should be retc,1ved pro:q t ly, av the plant's fire ptotection cannot be concidered adequate until they arc reselved.

Reco:cendationa No, 69-2 3 and 74-1 have bec,. torpleted and removed frem the report.

T E'~T R t' 5U L T 5 WATER SUPPLIES I 5ees.c) Re,.d.

f leniedi C.P.K Fle Lor es.ea ree, tocasion t

liy d t. Il fs llyd t, i! 7 umping r.upply belcu.

1070

(.'.of Turb,140 125 (L'.of Kcart or 9/3/75 ?!J l

.lpildin

" L. d t,," e, )

h..i l di'. ) 10. o. w....;,1.14 0..

j v a l s,,

120

_r..._ _. c.. ~

,o 1160 A'. u.

L.hn c.a. I n

e.

_PisuP l

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=.C 41 Y p k ly t Auto Suclien 5Leert HI 'D g,p w n....

I co J.

T..ied.

.u.

l. A 104G uaH.

50 Uli C L P....

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w ie mum l0 Good 9/4/75 1A3 000 175 Clec.

Auto Canal from 146 3180 92

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Northern Staten Power Cumpany 2

14-154 He 1 Wing, !!n.

NEU 1:iT0!NESliAT10NS f

75-2 Repair or replace preaction valve nur.her PA-6.

This valve failed to act uate aut o.nati enlly during t est ing, der.pi t e cont.ider able heat ing of the IlAD's.

'this system protects one of the tinit 2 Reactor Buildin.g penetrations, j

(ptelininary checks f ailed to reveal problem; will coatact manufacturer) 1 75-3 pxpedite the repairs to the rnounting of the Screen Wash Pump's strainer, co

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it can be placed in autor atic operat ion.

Without automat ic operat ion of this i

pump, and vi t hout automat ic operation of the jechey pump, the fi re header I

p res.s ure cannot be maint ained hi gh enough t o prevent the cicctric fire pump i

from operating due to the low pressure.

It is not acceptable to turn of f 4

the electric fire pun.p to prevent it from cperating on the low pressure.

75-4 The 311nocopolis of fice of the Factory Insurance Anr.ociation cunt be infortied j

of all flic protection syr, tem ir.pairments of whatever duration.

This includes the removing f rom service of any fire pump, any r.cetion of fire 1

header, and any fire sprinkler system, ac well as the carbon dioxide system.

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75-5 The vanna3 arrangerent of the fire prntection for the turbine nearingc is not j

cceeptable.

If the present detection system is not dependabic, then products j

of combustion detcetors ur rate-of-rise detectors should be installed.

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RECO:0F!mATIONS CONTINUED F!!O?t PREV _IOUS pCp0RT 75-1 Previde oprinklers f or the three Uarchouses. (Vork order issued no work done) j 69-27 (Revised 9/75)

Dpedite the repair of the jockey pump.

The substitute l

arrangement:. naking use of the screen wash pump pressure through restricticns and the cooling water precsure are not cufficient in c urrr.c r t o main t ai n proper pressure en the fire lines. Since this is the job of the jockey pump, l

it should be repaired and put into service. (No vot. on this planned)

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1U(ll / r I'd PCY tit,i'illl Y NinPi ft1Y IN!Ulttd;CC liL50Cl/illDN DllitI C. l'It00M, CPCl) cm..a n..,,

itovember 5, 1975 lir. C. L. Quinn Marsh F. Mct onnin, Inc, llorthm'e. tern Dent Cuilding flinneapalis, riinnesota 55402

Dear I;r. Quinn:

tiORTHERN STATES PO'<:ER ConPidY PRAIRIE ISL A:;D !!UCLEl.R GENERATil G PL AllT RED UING, fil:SlESOTA l{EL-PIA FILE !;0. it-154 A special visit has been made to the above facility by our field staff in accordance with !;EL-PI A Inforr.ation Culletin of tiny,1975.

The visit was conducted to discuss fire protection and prevention with specific reference to your clients cable systems in view of the T.V. A. Crown's Ferry Station fire.

The following reconendations are submitted as a result of this visit and will appear on the UEL-PI A Report folleding the next regular inspection.

Please revieu the:e items with your client at your earliest convcnience.

If further infornation or clarification is required, do not hesitate to contact us.

Recontrenda tions GEi;ERAL FIRE M:0TECT10'!

1.

A standard installation of open head, directional uater spray sprinklers controlled tiy an automatic deluge valve and products of combustion actuated detectors should be provided in the Cable Spreading Room.

The deluge valve should be located outside of the room and connected to the station's annunciator system.

2.

In conjunction with the recomended sprinklers for the Cable Spreading Room Liuilar prntection should be provided over the cable trays in the Auxiliary Buildimi and elsewhere throughout the plant uhere stacLed levels of cables are located.

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tioven.her 5,1975 y

l 3.

An investigation into the sensitivity setting of the ionization detectors l

with the produtt", of combue, tion generated by the burning ccble should be made to int. ore that the detectors will in fcct operate during the j

incipient stages of a fire.

4.

The CO2 low pressure system protecting the cable spreading room should be tripped by raeans of the ionization detection system presently installed

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and not manually according to present practices.

The itl00F thern'ostat l

trip should be retained as back up for the ionized field detectors in i

the event they fail tn discharge the CO2.

5.

Provide an approved autoratic Halon or carbon dioxide system under the raised floor of the Computer P.nau.

This system should be activated by ionization Sr. ole detectors designed to detect products of cor.bustien from this type of burning insulation and.to sound an alarm in the Control 1

1

Room, i

t First aid fire hose stations en the turbine floor which could be used 1

6.

j for fighting a fire in the cable spreading room should be equipped with j

cor.bination fog-solid stream nozzles instead of the present nozzles which provide fog only.

i CABLE TCAYS i

7.

Approved nonco:bustible fire breaks should be located in each cable l

tray and spaced at n:aximum intervals of 10 feet horizontally and 10 ft, vertically.

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8.

Establish and maintain a coraplete preplanning for emergency program, i

9.

This program should include the providing, equipping and. training _of a l

Plant fire brigade to be used in the event of an en:crgency.

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10. Familiarize the public fire department with the plant laynut, operations and protection facilities on a yearly basis so the municipal fire depart-ment personnel will have adequate hnowledge of the location of hazards, j

and best methods of fighting a fire in this critical plant.

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11. Conduct thorough and recorded self-inspections of the plant and fire protection to climinato as far as possible all sources of ignition and minimize the spread of fire in critical areas containing couhustible l

contents such as lubricating oil, cable insulation, etc.

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, fir. C. L. Quinn Mover.her 5,1975 1?. A sumeiy of the Preplanning Program would include the following:

to fire protection such as defective equipment, shut-off a)

Imaircr: nt valves, electrical service, etc.

b) Self-inspection and deficiency correction.

c) fire fighting procedures and plans of action.

. d) Coordination of plans with the local fire departn.:nt, e)

Salvage procedures related to fire and uindstorm losses, f)

Coordination with various outside agencies.

g) Helding and hot work supervision.

13. The emergency organization of people trained in the use of fire protec-tion cquipr.ent should be trained f or pro;)er reaction to the worst conccivable energ:ncy situation under the most unfavorable condition that might exist at any given titre.

14. It is understood that a chech will be made of the municipal fire depart-Inent equipment to determine that all threads on hoses, nozzles, etc.

are cot.patible with those used in the plant site.

FIPI [ETECTIO*:

15. The exhaust fans situated in the roof of the Turbine Building which are operated ranually shculd be convertcd to full automatic operation no.1 by means of ionized field sr.,ote detector s.

16. The present means of evacuating smoke and hot gases from a firc in the Cable Spreading Room is inadequate and should be revised as follows:

a)

Additional fans should be installed to provide emergency smoke and heat venting fro:a the Control Poom and the Cable Spreading floom with suf ficient capacity to exhaust smole and gases resulting from a fire with no recirculation back into the room.

b)

These fans should be installed as separate systems for both of these rooms and be actuated by ionized field type sm%e detectors located under the ceilings as well as manual push buttons located in the Control Roou panel, furthenacre, the f an exhausting th; Cable Spreading Rocui should be interlocked with the CO2 system so as to shutdown the exhaust ventilation upon actuation of the CO2 system.

The manual statinn in the control room shall be an override so the Cable Spreading ibou f an can be reactivated if necessary af ter it has been stopped by the CO2 discharge.

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Quinn lioveober 5, 1975 c) lhe pret.ent arrangerent of dumpinq the e>.haust from the Cable Spreading hoon into the ceiling area of the Control noom thould be abandonc 1 and the discharge f r(a hoth area'. should be led directly to the outside and terminating above the roof level so state will not be draun into the roa"'. through the intales t.hich are located along the outside wall of the structure.

d) The present arrangerent of shutting down the exhaust fan for the Cable Spreading Roan by closing a danper located high inside the room should be abandoned and if a darper is used to prevent e>haust f rom the roon during CO? discharge it should be located outside the room to as to be rc '.dily accessible during a fire, CABLE If!:Fl NT1015

17. All fire wall and floor. openings through which cicctrical cabies or conduits penetrdte should te protected against the passage of flme and sr. ale by devices and constractions approved by NEL-PI A.

18. Temporary wall and floor openings should be sufficiently sealed with a noncor.bustible r aterial ct the end of each working day to insure the fire integrity of the floor.

19. It is understcod that open flates are never used to check the installation, gas tightness and integrity of penetration scals.

SEl F-CCMT AINED CEE ATHU:G APP MTUS

20. At present ore Scott Air-Pak and tuo Minox self-contained breathing units are kept in the Control Cooni ar.d it is recorended that an additicr,al unit be installed in this roem for the use hy the fourth man statiered in this area.

It is understood that suf ficient reserved air is maintained on the premises to maintcin the six ureathing units on the premises for at 1 cast one hour of continued operation.

REDUN M1T CIRCUlTS

21. Original installation specifications state that a distance of 36 inches will be maintained between the redundant circuits in the Cable Spreading Room in relation to primary Class IE circuits.

It is recommended that a further check be raade to determine that the redundant circuits will not be jeopardized by burning Class lE cables in this room.

If such is the case, the redundant circuits should be removed a suf ficient distance within shielded tiays so there vill be no possibility of fire coumuni-cating f rom other burning cable", to these critical circuits.

The cable system. for Units I and 2 should be separated in the Cable Spreading Raou by a three (3) hour fire barrier wall.

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Quinn llovemtier 5, 1975 1'ATCHTg Sf rVICE

22. At present the watchman tours the exterior of the building only and it is recommanded that nights and weel: ends when total personnel is limited to less than ten r'en on the site, the watchnan tours be expanded to include areas within the plant where combustibles are located thus creating a fire hazard, 111SCElt NIEOUS

23. lonization type st" ole detectors throughout the building have been tested once since installation and it is reco=nended t iat a maintenance and testing prograu be set up so that at least 1/3 of the. detectors are tested yearly thus completing the testing program every three years and using sn:oke devices suitable for ther.e detectors as recomended by the manufacturer, it is insufficient to c t one detector on a circuit, as part of this program all units shtuld,e tested once every three years.

Sincerely,

'.> Q.$bbg-l J. J. Carney 'fu;r.w

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