ML19317G629

Model Tech Specs Re Control Room,Containment Purge & Fuel Storage Bldg Filter Sys

ML19317G629
Person / Time
Site:	Rancho Seco
Issue date:	02/20/1975
From:	Office of Nuclear Reactor Regulation
To:
Shared Package
ML19317G628	List: ML19317G627 ML19317G629
References
NUDOCS 8003240896
Download: ML19317G629 (11)

Text

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.v l ~. 0 DEFII ITIC:!S

. DEFI!!ED TER'IS '

l.1. The.DEFl::ED TERIS of this section appear in-capitalized type and are. applicable th,roughcut these Technical Specifications.

~ Tl!EP'4AL P0'<!ER

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'l.2 THER:ML P0'<!ER shall be the-total ' reactor core heat transfer rate to.

the' reactor. coolant.

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RATED THER:ML PO'<!ER 1.3 RATED THEP.:%LPO'.-lER shall be a total reactor core heat transfer rate'to the reactor coolant of Mt!t.

OPERATiO::AL MODE

. e 1M An OPERAT10::AL MOCE shall correspond to any one inclusive combination -

of core _ reactivity condition, po..er level and average-reactor coolant tecperattp e speci fied in Table 1.1.

ACTIO:t l'. 5 ACTIO! shall be those additional requircrcents specified as corollary statements to each principle specification and shall be part of the specifications.

OPERABLE - GPERABILITY 1.6 lA system, subsystem, train, component or device shall be OPERA 3LE or.have OPERABILITY when itlis capable of performing its specified

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function (s). ileplicit in this definition shall be the assumption that

'all Lattendant instru:dentation, controls, electric power, cooling or seal water,' lubrication Lor other required auxiliary equipment-is also OPERA 5LE.

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BLilaSTS 1,,.

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_ DEFlf:ITIO::S PRESSURE'COU::DARY LEA:dGE 1.16 ' PRESS'J3E' DCU!:DAP LEAUSE shall be'icchage (except steam gener-tor

' tube leakage)-through a non-isolabic fault in a Reactor Coolant Systca.

cosponent body, pipe uall'or. vessel uall.

. CO:: TROLLED LEAKAGE -

- l'.17.CD:: TROLLED 1.EA!' AGE shall be that seal water ficw supplied to the reactor _ coolant pump seals.

QUADRA!!T'POUER TILT; 1.18 - QUADRA:lT P05 ER TILT shall be' defined by the following equation and-is expressed,in; percent:

P war in ny coie og 1001(Average power of TIT qu,gr M _ _ )),

adrants DOSE EQUIVALE!!T I-131 -

1.19 DOSE' EQUIVALE!!T.1-131 shal1~ be that concentration.(. G/gran) of f 131 which'alone'would-produce the same dose as-the quantity and isotopic P

mixture of. iodine actually present.-

- STAGGERED-TEST CASIS 1;20TA STAGGERED TEST, BASIS'shall consist ~of:

(

a.'

'A' test schedule ~for n. itemsof equipmerc obtained by. dividing-

' Jthe specified test interval-into n eo.nl subintervals,

. bi-Th'e testirg of one item of equipment at the beginning of each l

-subinterval.

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' FREOUE !CY !;0TATlfil 1.21 :ThagFREQUE!!CY f:0TATIO:: spccif.ied for the performance of Surveillance Requirenents.-shallfcorrespend to'the; intervals. defined'in Table 1.2.

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OPERATIO*:AL 'I'0 DES

REACTIVITY d' RATED

~ AVERAGE COOLA;T liODE1 C0:1DITIO:1, 1*ntr - ~ TliERMAL PC'..'ER*

TEMPERATUP.E 1,.P0;lER OPERATIO:?

-> 0.99

> 5%

> (525) F 2.

STARTUP

> 0. 99'

< 5%

> (525)*F 3..

Il0T STA!!D3Y.:

'.<:0.99 0

. > (350)*F

'4.

110T S!!UT00'.!:!

< 0.99 0

(350) F > Tavo

> 200'F-S. - ' COLD SIIUTD0;li:

E0.99-0

< 200 F 76.

REFUELil!G**

< 0[90 -

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< 140 F.

• '-Excludingdeca/ heat.

Reactor' vessel: head unbolted or:re;noved and fuel in the vessel.

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PLANT SYSTEMS 3/4~.7!7~-CONTP.CL ROOM VENTILATION SYSTEM LIMITI)G CONDITION FCR 0FERAT. ION 3.'7.7.1 Twol inde' pendent control' room ventilation systems shall be

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0PERABL E.-

APPLICABILITY: MODES 1, 2, 3 and.4.

ACTIO]:

liith one con' trol' room ventilation systca inoperable, restore 'the systen

,to-0PERABLE status Within 7 days or be in COLD SHUTOGX.': within the next 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br />.

SURVEILLANCE 0.ECUIREMENTS 4.7.7.l'. Each ~ control rcom ventilation system'shall be demonstrated ~

OPERABLE:

-a.

L Atlleast once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> by verifying that the control room air temperature isl1 (120)3F.

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b.

At;1 east once per 30-days on a. STAGGERED TEST-BASIS by:

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1.

Initiating l flow through the HEPA filter and charcoal

-adsorberftrain and verifying that the train operates for

.-at least 10 hours1.157407e-4 days <br />0.00278 hours <br />1.653439e-5 weeks <br />3.805e-6 months <br /> with the heaters.'on, and -

l-2.

Verifying that the electrical busses _providing power to

!the' ventilation ~ sys tems are aligned to. receive,~ cr. fron

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separate diesel generators.

c1 - At least.once per.12 months or af ter,every 720 hours0.00833 days <br />0.2 hours <br />0.00119 weeks <br />2.7396e-4 months <br /> of systea operation:and -(l)1after each ccmplete or partial replacenent

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of a!HEPALfilter or. charcoal adsorber bank.or (2) af ter any C

structuralTaaintena'nce on the HEPA filter or charcoal adsorber 1 housings,.by:

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. PLAffT: SYSTEMS ;

SUiU.'EILL/J:CE REOUIP.EME':TS (Continued)

~1.

1 Verifying that -the charcoal adsorbers i.ccove 199 percent o,f a halogenated hydrocarbon refrigerant test gas when they are tested in-place in accordance nith USAEC Peport DP-1002 ichile operating the ventilat'icn system at a flow rate;of cfm i 10 percent.

2.

Verifying that the IEPA filter banks renove 1 99 percent of the DOP unan they are-tested in-place in accordance with I..*;SI UiOl.1-1972 uhile oparating the ventilatica systen at a' flow rate of

'cfa i 10 percent.

3.

Subjectirg at least tuo carbon samples rctoved frca cne

-of the charccal adscrbers to a Ichoratory carbon sarple analy;is and verifying a renoval efficiency of > 90 percent for radioSctive cethyl' iodide at an air ficw velocity of

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ft/sec 4 20 percent with an inlet methyl iodide con-

' centration '6f 0.05 to 0.15 i.:g/m, n 95 percent relative-l 3

humidity, cnd > '125'T; other tes t conditions shall be in

. accorderta uitii U5/dC I'DT S+ ndard ' M-16-lT, June 1972.

s' The ctrbu ernples shall he p epared by cratying one bed frcm a remyted adsorb r tray, cir.ing the adscrb:nt

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thoroughly,.and obtaining samples at least two inches =in diameter uith a length equal to the thickness of the-bed.

4.

Verifying a'systca flow rate of cfm + 10 percent during' system operation.

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LAt-least once per 18 months by:

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Verifying that the pressure drop across the cc=bined HEFA

' filters and charcoal cdsorber banks is < 6 inches 1.'ater

. Gauge while operating the-ventilation system at a flow rate:of cfm 1 10 percent.

2.

' Verifying that on a centain :ent isolation sicnal, the system autcraatically d1

.tssits inlet ficw through the.

HEPA: filters and charcoal adsorber banks.

3.

Verifyi_ng,t' hat the. systen caintains No control rocm

.at a~ positive pressure-of g (0.25) inches U.G. relative-y

-to the cutside atmosphere.during system operation.

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-C0! TA!!::<E :T SYSTE:4S?

^ llYDR0GEi! PUPGE SYSTEl4.

Litt!Tll:G C0::DITIO:! FOR 0? ERAT 10'!

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3.6.5.3' Alcontaihment hydrogen purge system shall be OPERABLE and

capable of being powered from a minimum of one OPERACLE diesel generator.

APPLICABILITY:. MODES 1 and'2.

A,C,T 10:1:

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.-liith tho' containment hydro en purge system ineperable, restore the

. hydrogen pu'rge systen to OPERABLE status within 30 days or be in HOT i

STA!!DBY,within-12 hours.

I SURVElLLAt:CE REglilREMEf!TS

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.4.6.5.3 The hydrogen purge. system shall_be demonstrated OPERACLE:

a.

At least:once per 30 days on a STAGGERED TEST CASIS by:

l... -Initiatingjfrom the control room ficw through the !! EPA' filter and charcoal adsorber train and verifying that the

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. purge systc:a operates for at least 10 hours1.157407e-4 days <br />0.00278 hours <br />1.653439e-5 weeks <br />3.805e-6 months <br /> with the heaters on,'and 2.

Verifying that the electrical bus providing power to the purge system is aligned to receive power from an OPERABLE

diesel generator.

JAt least.once per 18 conths or af ter everyc720 hours of system

b.

operationf and: (1) af ter each complete or' partial replacement

.J of.a HEPA: filter or charcoal adsorber bank or (2) after'any structural-caintenance on the !! EPA filter or charcoal adsorber ihousings by:

l.

-Verifying' that-the-charcoal e.dsorbers remove > 99 percent of-a halogenated hydrocarbon refrigerant test gas when they;6reftested in-picce in:accordance.with USAEC Report.

DP-1032 while operating the purge system-.at-a' flow' rate 2-Loff

- cfm + 10 pereent x-.

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. C0!!TAlfiNEllT SYSTD'S ~

~ _SURVElLLAf!CE REJUIP.E! E!!TS (Continued) 2.,

Verifying that the !! EPA filter banks recove > 99 percent l-

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of the DOP when they are tested in-place ~in accordance wi'th A!!SI !!101.1-1972 while operating the purge systen'at a fic.r rate of cfn,+ 10 percent.

3.

l Subjecting at least two carbon. semples removed frca one l

of the charcoal adsorbers' to a laboratory carbon sample

' analysis and verifying a removal efficiency of 1 percent for radioacti;c r. ethyl.icdide at an air 90 ficw veloci ty. of f t/sec + 20 percent with an inlet r. ethyl 3

iodide' concentrction of 0.15 to 0.5 rag /n, > 95 percent relative humidity, and > 190'F; other test conditions shall.be in accordance with USAEC P.DT Standard M-16-iT, Jt..'e 1972.

The carbon samples shall be prepared by-emptying one bed frc.a a removed adsorber tray, mixing the adsorbent U.oroughly, and obtaining sampics at.least tuo inches in dianter and with a length equal to the thick-ness'of the bed.

4.

Verifying a syste:n. flow rete of cfm i 10 percent l

during system operation.

c.-

At.least once per 18 months by:

1.

Ve'rifying t$at the pressure drop across the ccnbined llEPA filters ard charcoal adsorber banks is < 6 inches Water Gauge while operating the purge syste:n at a flow rate of cfm 1'10 percent.

' 2.

Verifying 'that the. air flow distribution to' each HEPA filter and charcoal adsorber is within i 20 percent of the averaged flow per unit.

. 3.

- Verifying that-the filter cooling -bypass valves an be manually cpaned.

D&U-ATI'OSPilERIC :

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.STOR5.GE' PC01.4 VE;;T!LATIO::'SYSTE'i FUEL 0VEME?ti r

LinlTI :G :CO*:DITIC:! FOT OFERATi0 i' y

3.9.14;L The1 spent fuel storage poo1Lventilation syste,shall be operating L

and, discharging; tnrough at least onentrain of: HEFA filters ind. charcoar

'adsorbers during either:

7 uel movecent-within.the-spent fuel storage pool, or F

la; b.

. Crane.: operation-with loads.over the spent fuel storace pool.

A'PPLICA31LITYY 1;HE;l.IRRI.31ATED FUEL 5:41CH HAS DECAYED LESS THA: 60 DAYS

. 1S Ill THE SPE;;T. FUEL STGRA3E POOL.

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ACTIO:i:

With the requirement'of the abov'c specification not satisfied, susoend all; operations'._ involving novement of fuel within the storage pool or ll

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Jcrane operation'with loads o_ver,the storage pool.

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Sur3EIL9dCE REGUIREME*lTS

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4.9.141 The spent fuer storage pool building ventilation sy. ten shall be 4 verified:to'be coerating with Lall. storage pool building doors closed-

- within 2. hours. priorn to the initiation: of. and 'at least once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />

durinr either fuel covement withinlthe spent' fuel storage pool o'r crane

operationiu.ith il.oads over the _ spent fuel storace pool. '

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ST0?. IGE FCOL VE:iTILAT!0ft SYSTEM - FUEL STORAGE t

. LIMITI!;G CO*:3IT!0:! FOR OPERATIC::

3.9.15 At least one spent fuel storage pool ventilation systen shall be OPERABLE.

HE EVER IRRAD: ATED FUEL IS I:t THE STORAGE F00L.

APPLICABILITY:

ACTI0't:

With no spent fuel stcrage pool ventilation system CPERABLE, -susce-d c11 operaticns in<olving ove62nt of fuel within the stcrage acci or crane operation with icads over the stor2;c ocoi ur..ii as least one s;er.: fusi storage pool ventilation syste.m is restcred to GPERABLE status.

SURVEILLA:;CE REQUIRE"E:;TS 4.9.15 The above reauired spent fuel storage pool ventilation system shall be der.onstrated CPERAELE:

a.

At least once per 30 days.by:

1.

Initiating flow through the HEPA filter and charcoal adsorber train and verifying that t. e train operates for 4

at least 10 hours1.157407e-4 days <br />0.00278 hours <br />1.653439e-5 weeks <br />3.805e-6 months <br /> with the heaters on, and 2.

Veri' ing that the electrical bus providing cower to the filter train is aligned to receive power frca an OPERAELE diesel generator.

b.

At least once per 12 conths or af ter every 720 hours0.00833 days <br />0.2 hours <br />0.00119 weeks <br />2.7396e-4 months <br /> of ysten cperation and (1) after each co"plete or partial reolacenent of a HEPA filter or charcoal adsorter bank or (2) after any structural caintenance on the HEPA filter or charcoal adsorber housings by:

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'REFUELIIG OPERATiu.*1S-

.SURVEILLA'CE RE0'JIRE"E"TS-(Centinued)-

'l..

Verifying that with the ventilation system operating at a flow rate of cfm +-10 percent and exhausting throusn the HEPA filters and charcoal adsorbers, the total byoass

' ficw of the-ventilatien system to the. facility vent,.

including leakage thrcugh the ventilation system divertina valves, is < 1 percent when the ventilation system is tested by admitting _ cold CC? at the storage pool venti-lation' system intake.

2.

Verifying that the charccal adsbrbers recove > 99 percent of a halogenated hydrocarbon refrigerant test gas.ehen they are tested in-place in accorcance witn L5.;.EC Re: ort UP-1052 nile ocerating the ventilaticn system at a ficw trate of-cfm +-10 percent.

3.

Veri.fying that the HEPA filter banks rerove 1 99 percent of the DOP when they are tested in-place in ac:ordance with ANSI i!)01.1-1972 while operating the ventilation system at a ' flow rate of' cfm + 10 percent.

4..

Subjecting at least two carbon scroles removed from, one of the-charcoal adsorbers to a laboratory carbon sample analysis'and verifying a remnval efficiency of 1 90 percent for radioactive methy icdice cencentraticn of-0.05 to 0.15 mg/m3, t 95 percent relative huridity, and

> '125'F; other test conditiens shall be in accordance with USAEC R3T Standard M-16-lT, June 1972.

The carbon samples shall be orecared by emotying one bed fron a removed adsorber tray, mixing the adsorbent thoroughly,

'and obtaining sanales at least two inches in diareter and with a length equal to the thickness of the bed.

i 5.

Verifying a system flow rate _ of cfm + 10 percent d, uring system. operation.

c.

At least once.per 18 months.by:

1.

-Verifying.that the pressure droo across the cor.bined HEPA filters ard charcoal adsorber banks is < 6 inches Water Gauge while' operating the ventilating system at a flow

. rate of cfm + 10 percent.

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~ REFUELIf G"0PERATI0ttS-k SURVEILL AT:CE RE0'J!REME.:TS (Continued)

,2.

Verifying that the air ficw distribution to each HEPA filter and charcoci ad:orber is within + 20 percent of the averaged fica per unit.

3.

. Verifying that on a high radiation. signal, the systea automatically starts (unless already.crerating) and -

' directs-its exhaust fic.v through the HEPA filters and charcoal adsorter banks.

4.~

Verifying that the ventilation systen r:aintain's the s:ent fuel storage tool area at a negative pressure cf _ (1/4 inches Water Gauge relative to the cutside atmospnere during system operaticn.

5.

Verifying that the filter cociing bypass valves can be manually opened.

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