ML20059J808

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Proposed Tech Specs Re Control Room Emergency Filtration Sys
ML20059J808
Person / Time
Site: Fermi DTE Energy icon.png
Issue date: 09/11/1990
From:
DETROIT EDISON CO.
To:
Shared Package
ML20059J805 List:
References
NUDOCS 9009200192
Download: ML20059J808 (10)
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Text

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PLANT SYSTEMS

-3/4.7.2 CONTROL ROOM EMERGENCY FILTRATION SYSTEM LIMITINO CONDITION FOR OPERATION 3 7.2 The control room emergency filtration system shall be OPERABLE with the system composed of:

a. Two 0PERABLE redundant subsystems, each consisting of:
1. An emergency makeup inlet air heater
2. An emergency recirculation fan
  • 3 A return fan
4. A supply fan
5. A chiller unit
6. Dampers required to support system operation
b. An OPERABLE flow path capable of:
1. Recirculating control room air through the emergency recirculation air filter train.
2. Supplying emergency makeup air from the north and south emergency intakes to the control room through the emergency makeup air filter train. **

APPLICABILITY: OPERATIONAL CONDITIONS 1, 2, 3, 4, 5, and

  • ACTION:
a. With the control room air temperature greater than 95 F but less than 0

105 F, restore the control room air temperature to less than or equal to 95 4 within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> or go to a 4 hour4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> operati.ig shift. With the control room air temperature greater than or equal to 105 F, be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SHUTDOWN within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />. i l b. In OPERATIONAL CONDITION 1, 2, or 3:

( 1. With the above required flow path and/or both required redundant subsystems inoperable, be in at least HOT SHUTDOWN within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.#

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2. With one of the above required redundant subsystems inoperable, restore the inoperable subsystem to OPERABLE status within 7 days or be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SHUTDOWN within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

FERMI - UNIT 2 3/4 7-8 I l

9009200192 900911 l~ PDR ADOCK 05000341 1

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6 PLANT SYSTEMS ,

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LIMITING CONDITION FOR OPERATION (CONTINUED) a m ACTION (Continued)' ]

L 1 c;- In OPERATIONALiCONDITION 4, 5, OR *:

.v 1.. With.one of the required redundant' subsystems inoperable, restore the j

. inoperable: component (s) to OPERABLE status within 7 days.

Otherwise, either:- .

(a). Initiate and maintain operation of the control room iemergency filtration system in the recirculation mode:of, i operation, or.  !

(b)- Declare the control room emergency filtration syst'en inoperable.

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2. With the control room emergency filtration system inoperable, suspend ,

CORE ALTERATIONS,. handling of=1rradiated fuel'in the secondary >

containment-and operations with a potential for-draining the reactor vessel.-

d.

The provisions of Specification 3 0 3 are not applicable in Operational-Condition *.

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I PLANT SYSTEMS

-SURVEILLANCE REQUIREMENTS- j 40 7 2- The control room emergency filtration syst.ea shall.be demonstrated OPERABLE: f

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a. At least once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> by verifying that the control room air temperature is less than or equal to 95 F. i
b. At least once per 31 days by: ,
1. Initiating fan operation from the control room with each subsystem, i establishing flow for at least 15 minutes through the HEPA filters and charcoal adsorbers.
2. Verifying flow through the HEPA filters and charcoal adsorbers 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 associated emergency makeup inlet air heater. 3 OPERABLE. The subsystem used to establish the 10 hours1.157407e-4 days <br />0.00278 hours <br />1.653439e-5 weeks <br />3.805e-6 months <br /> of flow -l through the HEPA filters and charcoal,adsorbers shall be staggered such that cach subsystem is utilized'at,least once per 62 days, i
c. At least once per 18 months or (1). after any' structural maintenance on the
  • HEPA filtor or charcoal'adsorber housings, or-(2).following painting, fire, )

'or. chemical release.in any ventilation zone communicating with the system by::

-1. Verifying that the system satisfies the in-place penetration testing n acceptance criteria of less than 1.0% and.uses the. test procedure i

<;uidance in Regulatory Positions C.5.a. C.5.c, and C.5.d of Regulatory Guide 1.52, Revision 2, March 1978,n hile operating.the' system at-a-flow rate of 1800 ofa 3 105 through the makeup filterland 3000 ofa 10% through-the recirculation filter.

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2. Verifying within 31 days'atter removal that'a laboratory analysis of a-representative carbon sample obtained in accordance with Regulatory Position C.6.b.of Regulatory Guide-1.52,. Revision 2, March 1978, meets the laboratory testing criteria of R6gulatory Position C.6.a-of -

Regulatory Guide 1.52, Revision 2, March 1978, for a methyl' iodide penetration of less than 1.0%; and 3.-Verifying a system flow rate of 3000.cfm 10% during system operation a when tested in accordance with. ANSI N510-1980.

d. After every 720 hours0.00833 days <br />0.2 hours <br />0.00119 weeks <br />2.7396e-4 months <br /> of charcoal adsorber operation by verifying within 31 days after removal that a laboratory analysis of a representative carbon sample obtained in accordance with Regulatory Position C.6.b of Regulatory Guide 1.52, Revision 2, March 1978, meets the laboratory testing criteria of Regulatory Position C.6.a'of Regulatory Guide 1.52, Revision 2, March 1978, '

for a methyl iodide penetration of less than 1.0%.

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PLANT SYSTEMS' SURVEILLANCE REQUIREMENTS (Continued)

e. At least once per 18 months byt-
1. Verifying that the pressure drop across the recirculation' train and across the makeup train combined HEPA filters and charcoal adsorber; banks is less than 8 inches and 6 inches water gauge respectively while operating the system at a flow rate of 3000 cfm 1 10% through ,

the recirculation filter train and 1800 cfm i 10% through the-makeup '

filter train.

2. Verifying that the system will automatically syftch to the recirculation mode of operation on each of the Lelow actuation test signals and verifying that on~any one'of,the below recirculation mode actuation. test signals, the system automatically l switches-to the-recirculation mode of operation,-the isolation; valves close within -5

-seconds and the control roon,is maintained at a positive pressure of -

at least 0.125 inch water-gauge relative to the outside atmosphere during system operation at a: flow rate.less than or equal to.1800 cf.a through the. emergency makeup air filter:-

i a) Control center inlet radiation monitor. '

b) Fuel pool ventilation exhaust radiation monitor.

c) Low reactor water level, d) High drywell pressure.'

3. Verifying that on the chlorine mode actuation signal, the system  ;

automatically.. switches to the chlorine mode-of operation, the j isolation valves close within 4 seconds, andia minimum of 1200 cfm j

emergency recirculation is established.-

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4. Verifying that each of the emergency makeup inlet air-heaters dissipate 12.0 1 2.0 kW when tested in accordance with ANSI N510-1980.
f. After each complete or partial replacement of"a train HEPA filter bank by verifying that the train liEPA filter bank satisfies the inplace penetration and bypass leakage testing acceptance criteria of less than 1.0% in accordance with ANSI N510-1980 while operating the system at a flow rate -of i

-1800 cfm i 10% for.the makeup train and 3000 cfm :10% for the recirculation  !

traits.

g. After each complete or partial replacement of a train charcoal adsorber bank by verifying that the train charcoal adsorber bank satisfies the.inplace penetration and bypass leakage testing acceptance criteria of less than 1.0%

in accordance with ANSI'N510-1980 for a halogenated hydrocarbon refrigerant ,'

test gas while operating the system at a flow rate of 1800 ofm ! 10% for the i makeup train and 3000 cfm

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10% for the recirculation train.

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. PLANT SYSTEMS' -

EMERGENCY EQUIPMENT COOLING WATER SYSTEM l 1

LIMITING CONDITION FOR OPERATION l l ,

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3. 7.1. 2 Two independent emergency equipment cooling water (EECW). system subsystems shall be OPlRABLE with each subsystem comprised.of:- l 1
a. One OPERABLE EECW pump, and
b. An OPERABLE flow path capable of removing heat from the associated -l safety-related equipment. 4 APPLICABILITY: OPERATIONAL CONDITIONS 1, 2, 3, 4, and 5.

ACTION:

With an emergency equipment cooling water system subsystem inoperable, restore the inoperable subsystem to OPERABLE status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> or be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD. SHUTDOWN within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> and declare the associated safety-related equipment inoperable and-

, take the ACTION required by Specifications 3.4.9.1, 3.4.9.2, 3.5.1, 3.5.2, ,

l 3.6.2.2, 3.6.2.3,g3.9.11.1, and'3.9.11.2, as appl'icable.

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SURVEILLANCE REQUIREMENTS i

4.7.1.2 The emergency equipment cooling water system shall be demonstrated c OPERABLE:

a. At least once per 31 days by verifying that each valve-(manual, power- i operated, or automatic) servicing safety-related equipment'that is not locked, sealed, or otherwise secured in position, is in its c. 'rrect position.
b. At least once per 18 months during shutdown,.by verifying that eact 1 automatic valve servicing nonsafety-related: equipment actuates to its isolation position and the associated EECW pump autematically starts on an automatic actuation test signal. '

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i PLANT SYSTEMS-i t

l EMERGENCY EQUIPMENT SERVICE WATER SYSTEM LIMITING CONDITION FOR OPERATION 3.7.1.3 Two independant emergency equipment service water (EESW) system 1

subsystems shall be OPERABLE with each subsystem comprised of:

a. One OPERABLE emergency equipment service water pump, and
b. An OPERABLE flow path capable of taking suction from the' associated ultimate heat sink and transferring the water through the associated EECW heat-exchanger.

APPLICABILITY: OPERATIONAL CONDITIONS 1, 2, 3,'4, and 5.

L ACTION:

With an emergency equipment service water system subsystem inoperable, restore the inoperable subsystem to OPERABLE status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> or be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SHUTDOWN within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, and declare the associated safety-related ~ equipment inoperable and take the ACTION required by Specifications 3.4.9.1, 3.4.9.2, 3 5.1, 3.5.2, 3.6.2.2, 3.6.2.3,g 3.9.11.1, and 3.9.11.2, as applicable.

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SURVEILLANCE REQUIREMENTS 4.7.1.3 The emergency equipment service water system shall be demonstrated i

OPERABLE:

a. At least once per 31 days by verifying that each valve (manual, i power-operated, or automatic) servicing safety-related' equipment that ,

is not locked, sealed, or otherwise secured in position, is_ in its I correct position,

b. At least once per 18 months during shutdown, by verifying the EESW pump autoinatically starts upon receipt of an actuation test signal.

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SPECIFICATION .

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ptANT SYSTEMS 3/4.7.2 CONTROL ROOM EMERGENCY FILTRATION SYSTEM LIMITING CONDITION FOR OPERATIW -

1 3.7.2 The control room emergency filtreidon system shall be OPERABLE with the j system composed of:

.a. The passive components of the emergency makeup air filter train.

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'b. The passive cesponents of the energency recirculation air filter train.

c. Two emergency makeup inlet air heaters.
d. Two recirculation fans. ,

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e. Two return and supply fans.
f. A flowpath capable of:
1. Recirculating control room air.
2. Supplying emergency makeup air to the control room.**

APPLICABILITY: OPERATIONAL CONDITIONS 1, 2, 3, 4, 5, and

  • ACTION:
a. With the control room air temperature greater than g5'F but less than restore the control room air tasperature to less than or equal 105'F;F to 95 within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> or go to a 4 hour4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> operating shift. With the control room air' temperature greater than or equal to 105'F, be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SHUT 00WN b.

within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, In bfERATIONAL CONDITION 1,'2, or'3:

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1. With one of the above required filter trains or flow paths in-l operable, be in at least H0T SHUTDOWN within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> i and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.
2. With a recirculation, return or supply fan; emergency makeup
  • inlet air heater; damper; or other required redundant component inoperable, restore the inoperable component to OPERABLE status within 7 days or be in at.least H0T SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and'in COLD SHUTDOWN within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.  ;
c. In OPERATIONAL CONDITION 4, 5 or *:
1. With a recirculation, return or supply fan; emergency makeup in-let air heater; damper; or other required redundant component inoperable, restore the inoperable component to OPERABLE status within 7 days or initiate and maintain operation of the system in the recirculation mode of operation.
2. With the control room emergency filtration system inoperple, suspend CORE ALTERATIONS, handling of-1rradiated fuel in the secondary containment and operations'with a potential for draining the reactor vessel.

l l d. The provisions of Specif tration 3.0.3 are not applicable in Operational Condition *.

    • Not applicable in the chlorine mode of operation.

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$0RV1]LLANCE REQUIREMENTS V +

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.9 4.7.2 The sentrol mosa enerosasy filtration stas shall;be

  • nonstrated CPERABLI:...  :!

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At least once per at hours.ity. vert ng that.the.controlepos. air - - i ~

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. d .tsaperature ds less Ahan1eriequal'$o 95'F.

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-. ~. t.l. tc At ieast ence per 31' days on a STAGGERED TEST BA5!5 by initiating flow through l l

. fanc$erationfecathecontrolroca.andestablishi the HEPA filters and charcoal adsorbers and verifyi that the ,

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system 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 assoc ted emergency t sakeup inlet air. heater OPERABLE.

At least once per 18 aanths er (1) after av structural asintenance -l c.

on the HEPA filter or charcoal adsorber housings or(PFfollowing or chemical release in aqr vent 1Istion,aone 4' painting, communicating w the system by:

fire,ith . .

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1. Verifying that the system satisfies the in-place penetration .

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" . v ' .testing acceptance criteria of less than 1.05 and procedure guidance in Regulatory Positions C.5.a. C,5.c., and- uses the test-

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  • C.5.W of Regul'atory Guide 1.51. Revision 2 March 1978, while 1

operating the systas at a flow rate of 2006 cfa + ag5 through the-ankaup flitar and.3000.sfe,* 205 through the racTrasiation filter. a Verifying within 31 days after removal Sat a laboratory analysis of a representative carbon aanple obtained in -

' accordance with Regulatory Position C.6.6 of Regulatory Guide 1.52, Revision 2 March 1978 asets the laboratoryJtesting

--criteria of Regulatory Position C.6.a of Regulatory Guide 1.52,

(' Revision 2. March 1978, for a methyl iodide penetration of -less .

than 1.05; and ;

Verifying a system flow rate of 3000 efs + 105'duri ^ng systen- l

3. .

. .speration when tasted in accordance with XNSI.N510-1980. '

d. After every 720 hours0.00833 days <br />0.2 hours <br />0.00119 weeks <br />2.7396e-4 months <br /> *cf charcoal'adsorber operation ' verifying' L within 31 days after. removal that'a laboratory anal s'of a repre-sentative carbon sample obtained in accordance wi Regulatory  :.

March 1978 -

Position C.6.b of Regulatory Guide 1.61. Revision 2, Position C.6.a-asets the laboratory testing criteria of Regulatory of Regulatory Guide 1.52. Revision ti March 1978, for a methyl iodide penetration of less than 1.g%.

e. At least once per 18 months by: 3 l'. Verifying that the pressure drop across the recirculation train and across the makeup train combined HEPA filteeg and charcoal-adsorber. banks is less than 8 inches and 6 inches water cauge- ,

- hile operating the-system at a flow rate of i

.- respectively 3000 cfm + 10 w% through the recirculation ft1ter train and 1800 cfm t ige through the askeup filter train.-

2. Verifying that the system w111'automatica11y switch to the recir-culation mode of operation on each of:the below actuation test signals and verifying that on any one of the below recirculation

' mode actuation test signals. the system' automatically switches to the recirculation mode of operation, the isolation valves q

close within 5 seconds and the control roca is maintained at a I

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.YLANTSYSTEN$

yr' SURVEILLANCE REQUIREMENTS (Continued) positive pressure of at11 east'0.125 inch water gauge relative to the outside staosphere during system operation at a flow rate less than or e askeup air filters qual to 1800 efs through the emergency-i a Centeol center' inlet radiation monitor, b Reactor Building ventilation exhaust radiation sonitor e Fuel pool ventilation exhaust radiation monitor.

'*: .:d =;

-Low reactor water level.-

e High drywell pressure.-

3.

~the Verifying automaticallythat on the switches to thechlorine madeoperat chlorine mode'of actuation'aignal ion kstem isolation valves-close within 4 seconds, and a minimus of~

1200 cfm emergency recirculation is. established. ' a t

4. Verifyfag that' each of the emergency sakeg inlet air heaters.

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  • dissipate 12.0 ~+ -2.0 kbf when tasted in accordance'with ANSI

, N510-1960.

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f. .After each late or partial re acement of a train NEpA filter bank by veri nl1 that the train PA filter bank satisfies:the-inplace penet at'on and bypass leakage testing acceptance criteria o of less than 1.05 in accordance with ANSI N510-1980 while operating' -

the ,systea at a flow rate =of 1800 efa + 105 for the ankaup train ~

1 and 3000 cfa i 105 for the racirculation train.- .i '

g. i After each complete or partial replacement of a train charcoal-ads'orber, bank by verifying that the train charcoal adsorber bank' satisfies. ,

the inplace penetration and bypass leakage testing. acceptance criteria. j of less than 1.0E in accordance with ANSI M510-1980 for a halogenated' '

' hydrocarbon refrigerant test gas while operating the system at a flow-rate of 1800 cfm + 105 for the askaup train and;3000 cfm 2105 for the recirculation ~ train.. ,

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. i FERP.!- UNIT 2 3/4 7-10 Amendment No. 7-lL

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