ML20072S086

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Proposed Tech Specs Re Standby Gas Treatment & Control Room High Efficiency Air Filtration Sys Requirements
ML20072S086
Person / Time
Site: Pilgrim
Issue date: 09/06/1994
From:
BOSTON EDISON CO.
To:
Shared Package
ML20072S077 List:
References
94-099, 94-99, NUDOCS 9409130414
Download: ML20072S086 (13)
v • d • e


Text

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ATTACHMENT C TO BECO LETTER 94499 PAGE 158 158A 158B 1590 158D (new page) 940913o414 DR 940906 '

ADOCK 05000293 PDR

LIMITING CONDITIONS FOR OPERATION SURVEILLANCE RE0VIREMENTS 3.7.B Standby Gas Treatment System and 4.7.B Standby Gas Treatment System and Control Room Hiah Efficiency Air Control Room Hiah Efficiency Air Filtration System Filtration System ,

1. Standby Gas Treatment System 1. Standby Gas Treatment System
a. Except as specified in a. (1.) At least once per operating 3.7.B.1.c or 3.7.B.1.f cycle, it shall be demonstrated i below, both trains of the standby that pressure drop across the gas treatment system and the combined high efficiency diesel generators required for filters and charcoal adsorber <

operation of such trains shall be banks is less than 8 inches of  !

operable at all times when water at 4000 cfm.

secondary containment integrity 1 is required or the reactor shall (2.) At least once per operating ,

be shutdown in 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br />. cycle, demonstrate that the )

inlet heaters on each train are l

b. (1.) The results of the in-place operable and are capable of an '

cold DOP tests on HEPA output of at least 14 kW. .

filters shall show 299% DOP l removal. The results of (3.) The tests and analysis of halogenated hydrocarbon Specification 3.7.B.I.b. shall i tests on charcoal adsorber be performed at least l banks shall show 199% once per operating cycle halogenated hydrocarbon or following painting. fire or removal, chemical release in any ventilation zone comn.anicating i (2.) The results of the with the system while the )

laboratory carbon sample system is operating that could 1 analysis shall show 295% contaminate the HEPA filters or I methyl iodide removal at a charcoal adsorbers.

velocity within 10% of system design, 0.5 to 1.5 (4.) At least once per operating mg/m3 inlet methyl iodide cycle, automatic initiation of i concentration, 270% R.H. and each branch of the standby gas l 2190 F. The analysis treatment system shall be results are to be verified demonstrated, with as acceptable within 31 days Specification 3.7.B.l.d after sample removal, or ,tisfied.

l declare that train I inoperable and take the actions specified 3.7.B.l.c. l l

l Amendment No. 50, 51, 52, 112, 144, 151 158

LIMITATION FOR OPERATION SURVEILLANCE RE0VIREMENTS

' 7.B (Continued) 4.7.B (Continued)

. From and after the date that one (5.) Each train of the standby gas train of the Standby Gas treatment system shall be Treatment System is made or found operated for at least 15 minutes to be inoperable for any reason, per month.

l except as specified in 3.7.B.I.f below, continued reactor (6.) The tests and analysis of operation, irradiated fuel Specification 3.7.B.I.b(2) shall handling, or new fuel handling be performed after every 720 over spent fuel pool or core is hours of system operation.

permissible only during the succeeding seven days providing b. (1.) In-place cold D0P testing that within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> all active shall be performed on the components of the other standby HEPA filters after each gas treatment train shall be completed or partial demonstrated to be operable. replacement of the HEPA filter bank and after any

d. Fans shall operate within 10% of structural maintenance on 4000 cfm. the HEPA filter system housing which could affect
e. Except as specified in 3.7.B.l.c the HEPA filter bank bypass l or 3.7.B.1.f, both trains -f the leakage.

Standby Gas Treatment System shall be operable during (2.) Halogenated hydrocarbor' irradiated fuel handling, or new testing shall be performed fuel handling over the spent fuel on the charcoal adsorber pool or core. If the system is bank after each partial or not operable, fuel movement shall complete replacement of the not be started. Any fuel charcoal adsorber bank or assembly movement in progress may after any structural be completed, maintenance on the charcoal adsorber housing which could

f. During refueling, one train of affect the charcoal adsorber the Standby Gas Treatment bank bypass leakage.

System can be without its safety-related bus and/or emergency diesel generator without entering the LC0 action statement provided the following conditions are met:

- Fuel movement will not occur until five days following reactor shutdown.

- Prior to and during fuel movement, the SB0 D/G or the Shutdown Transformer is required to be operable and capable of supply power to the emergency bus.

- Fuel movement will r.ot occur until the reactor vessel is flooded up to elevation 114'.

- The train of SGTS without its safety related Amendment No. 50, 51, 112 158A

LIMITING CONDITIONS FOR OPERATION SURVEILLANCE RE0VIREMENTS 3.7.B (Continued) 4.7.3 (Continued) bus or without its emergency 2. Control Room Hiah Efficiency Air diesel generator will have Filtration System power supplied from a normal offsite source via a non a. At least once per operating cycle 1 safety-related bus. The the pressure drop across each l normal offsite source combined filter train shall be consists of either the demonstrated to be less than 6 Startup Transformer or Unit inches of water at 1000 cfm or the Auxiliary Transformer calculated equivalent.

(Backscuttle Mode).

b. (1.) The tests and analysis of
2. Control Room Hiah Efficiency Air Specification 3.7.B.2.b Filtration System shall be performed once per operating cycle or following
a. Except as specified in painting, fire or chemical Specification 3.7.B.2.c release in any ventilation ,

l or 3.7.B.2.e below, both zone communicating with the trains of the Control Room High system while the system is Efficiency Air Filtration System operating.

used for the processing of inlet air to the control room under (2.) In-place cold D0P testing accident conditions and the shall be performed after each diesel generator (s) required for complete or partial operation of each train of the replacement of the HEPA filter system shall be operable bank or after any structural whenever secondary containment maintenance on the system integrity is required and during housing which could affect the fuel handling operations. HEPA filter bank bypass leakage.

b. (1.) The results of the in-place cold D0P tests on HEPA (3.) Halogenated hydrocarbon filters shall show 199% D0P testing shall be performed removal. The results of after each complete or partial the halogenated hydrocarbon replacement of the charcoal tests on charcoal adsorber adsorber bank or after any banks shall show 199% structural maintenance on the halogenated hydrocarbon system housing which could removal when test results affect the charcoal adsorber l

are extrapolated to the bank bypass leakage.

initiation of the test.

l (4.) Each train shall be operated l (2.) The results of the with the heaters in automatic i laboratory carbon sample for at least 15 minutes every l analysis shall show 295% month.

methyl iodide removal at a velocity within 10% of (5.) The test and analysis of system design, 0.05 to 0.15 Specification 3.7.B.2.b.(2) mg/m3 i.nlet methyl iodide shall be performed after every concentration, 270% R.H., 720 hours0.00833 days <br />0.2 hours <br />0.00119 weeks <br />2.7396e-4 months <br /> of system operation.

and 2125 F. The analysis results are tc ha verified as acceptable within 31 l

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! Amendment No. 50, 51, 52, 101, 112, 144, 151 158B

LIMITING CONDITIONS FOR OPERATION SURVEILLANCE RE0VIREMENTS 3.7.B (Continued) 4.7.8 (Continued) days after sample removal, c. At least once per operating or declare that train cycle demonstrate that the inoperable and take the inlet heaters on each train are actions specified in operable and capable of an 3.7.B.2.c. output of at least 14 kw.

c. From and after the date that one d. Perform an instrument functional train of the Control Room Hiah test on the humidistats Efficiency Air Filtration System controlling the is made or found to be incapable heaters once per operating of supplying filtered air to the cycle.

control room for any reason, reactor operation or refueling operations are permissible only during the succeeding 7 days providing that within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> all active components of the other CRHEAF train shall be demonstrated operable. If the system is not made fully operable within 7 days, reactor shutdown shall be initiated and the reactor shall be in cold shutdown within the next 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br /> and irradiated fuel handling operations shall be terminated within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br />. Fuel handling operations in progress may be cr ,71eted.

d. Fans shall operate within 10%

of 1000 cfm.

e. During refueling, one train of the CRHEAF can be without its safety-related bus and/or emergency diesel generator without entering the LC0 action statement provided the following conditions are met:

- Fuel movement will not occur until five days following reactor shutdown.

- Prior to and during fuol I movement, the SB0 D/G or the Shutdown Transformer is required to be operable and capable of supply power to the emergency bus.

- Fuel mo /ement will not occur  ;

until the reactor vessel is l flooded up to elevation 114' . l

- The train of CRHEAF without its -

safety related l l

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l Amendment No. 50, 51, 57, 112, 144, 151 lE8C

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LIMITING CONDITIONS FOR OPERATION SURVEIL. LANCE REQUIREMENTS 3.7.B (Continued) 4.7.B (Continued) bus or without its emergency diesel generator will have power supplied from a normal offsite source via a non safety-related bus. The normal offsite source consists of either the Startup Transformer or Unit Auxiliary Transformer (Backfeed Mode).

Amendment No. 1580 l

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ATTACHMENT D TO BECO LETTER 94-099 l

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4 ~ ~ LIMITING ' CONDITIONS ~ FOR OPERATION SURVEIbLANCEREDUIREMENTS 4 l 3.7.8 Standby Gaa Treatment System 4:.T.8 Standby Gas Treatment System

! ' and Contro' Room Hioh g,

and Contro' Room Hioh '

Efficiency Air Filtration _ Efficiency Air Filtration k D .

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1. Standby Gas Treatment System 1.

l Standby Gas Treatment System

a. Except as specified n ain.v. s. t. u.+ - -

3.7.8.1. below, both trains

a. (I.) At least once per '

l' of the standby gas treatment operating cycle, it shall '

j system and the diesel be demonstrated that pressure drop across the

generators required for .

i operation of such trains shall combined high efficiency I be operable at all times when filters and charcoal l secondary containment adsorber banks is less than integrity is required or the 8 inches of water at 4000 cfm.

reactor shall be shutdown in 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br />. (2.) At least once per operating cycle, 9,)'

i

b. (1.) The results of the in- q

! place cold DOP tests on ~ demonstrate that the i HEPA filters shall show fnlet heaters on each train

are operable and are capable 199% DOP removal. The of an output of'at least 14
results of halogenated 1 kW.

hydrocarbon tests on charcoal ~adsorber banks (3.) The tests and analysis of shall show 199% Specification 3.7.8.1.b.

halogena,ted hydrocarbon shall be performed at least removal. once per operating cycle.

or following painting, fire (2.) The results of the or chemical release in any 2

laboratory carbon sample ventilation zone analysis shall show 295% casunnicating with the methyl iodide removal at system d il.a the system is a velocity within 10% of operating that could system design, 0.5 to 1.5 ag/m3 inlet methyl iodide contaminate the HEPA filters or charcoal adsorbers, concentration, 170% R.H.

and 2190*F. The analysis . (4.) At least once per [

results are to be operating cycle, automatic ?

verified as acceptable initiation of each branch a within 31 days after the standby gas treatment sample remova1, or ', system shall be declare that train demonstrated, with i inoperable and take the Specification 3.7.8.1.d actions specified satisfied. '

3.7.8.1.c.

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x 9tevision-1? A._ -_ 1

l LIMITING CONDITIONS FOR OPERATION SURVEILLANCE REOUIREMENTS y 3.7.B (Continued) 4e7'.B (Continued) q e ,

[ c. From and after the date that one train of the Standby Gas (5.) Each train of the standby gas treatment j

Treatment System is made or- system shall be found to be inonerable t'or any measonFEontinued reactor operation, irradiated fuel pgj gz, ~

m operated for at least 15 minutes per month.

handling, or new fuel Pf ;jj 7 o-/ g (6.) The tests and analys ,

l handling over spent fuel pool or core is permissible only M y of Specification l 3.7.B.I.b. (2) shall be during the succeeding seven performed after every days providing,that within 2 720 hours0.00833 days <br />0.2 hours <br />0.00119 weeks <br />2.7396e-4 months <br /> of system hours all active components operation, of the other standby gas treatment train shall be b. (1.) In-place cold DOP demonstrated to be operable. testing shall be performed on the HEPA

d. Fans shall operate within filters after each

+10% of 4000 cfm.

" 3 7' 8'[ completed or of replacement partial the HEPA

e. Except as specified in filter bank and after 3.7.8.1.c, both. trains of any structural the Standby Gas Treatment maintenance on the HEPA System shall be operable filter system housing during irradiated fuel which could affect the handling, or new fuel ~

HEPA filter bank bypass handling over the spent leakage.

fuel pool or core. If the system is not operable, (2.) Halogenated hydrocarbon fuel movement shall not be testing shall be '

started. Any fuel performed on the assembly movement in charcoal adsorber bank progress may be completed. after each partial or complete replacement of

/., , -

the charcoal adsorber U bank or after any I structural maintenance on the charcoal adsorber housing which could affect the charcoal S8 M dS4 adsorber bank bypass During  % b '  % tb. ' M b % leakage.

  • Rf f$ one train 7can be without its safety-related bus and/or emergency diesel generator without entering the LCO action statement provided the following conditions are met:

Fuel movement will not occur until five days followinn reactor shutdown. -

- Prior to and during fuel movement, the SB0 D/G or the Shutdown Transformer is required to be operable and capable of supply power to the emergency bus.

- Fuel movement will not occur until the reactor vessel is flooded up to l

elevation 114'. p

- The train of SGTS and CR"[Ar without its safety related bus or without its emergency diesel generator will have power supplied from a normal

( offsite source via a non safety-related bus. The normal offsite

/ sources consist of either the Startup Transformer or Unit Auxiliary

/ Transformer (Backscuttle Mode).

Amendm nt No. 50, 51, 112, l'f4' 158A

_% u dam,m.t ituumenen a 3.7.8 (Continued) 4^.T.B (Continued).

2. Controt Room Hiatr Efficiency Air Z'. Control Room Hiah Efficiency Air Filtration System Filtration System h a. Except as specified in Specification 3.7.8.2.c M L78.2
a. At least. once per operating cyclethepressuredropacross[

below, both trains of the Control Room' High Efficiency each combined filter train shall Air Filtration System used be demonstrated to be less than for the processing of inlet 6 inches of water .t 1000 cfm or the calculated equivalent.

air to the control room under -

accident conditions and the b. . (1.) The tests and analysis of diesel generator (s) required Specification 3.7.8.2.b for operation of each train shall be performed once of the system shall be per operating cycle or operable whenever secondary containment integrity is following painting, fire oH required and during fuel chemical release in any handling operations. ventilation zone cossegnicating with the system while tne system is

b. (1.) The results of the in- cperating.

place cold 00P tests on HEPA filters shall show (2.) In-place cold DOP testing 199% 00P removal. The shall be performed after results of the each complete or partial halogenated hydrocarbon replacement of the HEPA tests on charcoal filter bank or after any adsorber banks shall show 192% halogenated structural maintenance on the system housing which hydrocarbon removal when test results are could affect the HEPA

. extrapolated to the filter bank bynss leakage.

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initiation of the test. (3.) Halogenated hydrocarbon testing shall be performed (2.) The results of the after each complete or laboratory carbon sample partial repiacement of the analysis shall show 295%

methyl iodide removal at charcoal adsorber bank or after any structural a velocity within 10% of maintenance on the system system design, 0.05 to housing which could affect 0.15 mg/m3 inlet methyl iodide concentration, the charcoal adsorber bank bypass leakage.

170% R.H., and 1125'F. T

, The analysis results are to be verified as (4.) Each train shall be operated with the heaters acceptable within 31 days after sample in automatic for at least 15 minutes every month, removal, or declare that '

train inoperable and (S.) The te'st and analysis of take the actions Specification 3.7.8.2.b. (2) specified in 3.7.B.2.c. shall be perfonned after every 720 hours0.00833 days <br />0.2 hours <br />0.00119 weeks <br />2.7396e-4 months <br /> of system

_ operation.

0; ring "JO f0, ;;; train-c :: be b-ithout-M4-safetyt ed r-i-4mergency--d4esel-generatormith~2t enter-in; the LCO actien statement--

pre"i'ed-the-cond444 ens-1-isted en pe;e Igna 3n et E

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Lim e irm tunut i tuNi t UN UPENAT ION: SURVEIllaKE50UIREffENT5'  %. 1 T.T.E (50ntinued): l4' - E(CoYh

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c. From: and' after the date' th' c6 At Toast onca per operating:
  • one train of the. Controi  : cycik demonstrate that the Hig'h Efficiency Air- ,

inTat heaters. on each train Fi tration- System is made or are operabia.-and capable of-fo'und to.be. inespable of an output of at Toast 1+ kw.

supplying filtered air to the control room for any reason,

! reactor operation or d. Perfons an-instrument

! refueling operations are functionaT test on the i permissible- only during the humidistats controlling the ,

i succeeding T days providing heaters once per operating W

' cycle. -

y' that within E hours s11 -- -

active components of the l

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other CRHEAF train shall. be 3;

f. e SNP7 ' 7*-

i demonstrated operable. If ~~~" 4M.6J. - -

i the system is not made fully During. m. .nr-~ fueling, one train of '

! operable within 7 days, the CRHEAF can andbe without its reactor shutdown shall be safety-rerated bus ^

initiated and the reactor -

emergency dieser gener/or ator shall be in cold shutdown t

! without entering the LCO action within the next 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br /> and statement provided the frradiated fuer handling fall wing conditions are met: '1

+

operations shall be

- Fuel movement will not occur '

terminated within t hours. until five days following i Fuel handling operations in _p react r shutdown.  :

progress may be completed. {

{ moy,,,"nt he D

d. Fans shall operate within " ort)e l

10% of 1000 cfs. requ re fo gf rme/

r r is l

f capable of supp[ "

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the emergency bus, pow r to

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6. , - Fuel movement will not occur  !

until the reactor vessel is '

flooded up to elevation 114 $ \

- The train sa.fety related

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of CRHEAF without I its

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zrgs;y die:21 ;z:rster witheet enteHe; "- '" -+d-- - ' ' * - - - * - -

previded the :-:diticar littM ce page 15"^. 2 : =t.

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. . LIMITING CONDITIONS FOR OPERATION SURVEILLANCE REOUIREMENTS 3.7.B.(Continued) 4.7.B (Continutd) 3 bus or without its emergency diesel generator will have power supplied from a normal offsite source via a non s'afety-related bus. The normal offsite source consists of either the Startup Transformer or Unit Auxiliary Transformer (Backfeed Mode).

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HTRS) HTRS)

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