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. . 1 PLANT SYSTEMS- f. 1^ | |||
l 3/4.7.6 CONTROL AREA VENTILATION SYSTEM. .k___ er ew toA A LIMITING CONDITION FOR OPERATION t | |||
1 3.7.6 Two independent Control Area Ventilation Systems shall be OPERABLE. | |||
l APPLICABILITY: ALL MODES ACTION:. (Units 1 and 2) | |||
MODES 1, 2, 3 and 4: | |||
~ With one Control Area Ventilation. System inoperable, restore the inoperable, system to OPERABLE status within 7 days'or be in.at least-HOT STANDBY:within. l ~g the next 6 hours and in COLD SHUTDOWN within the'fo11owing 30 hours.. | |||
MODES 5 and 6: | |||
: a. With one Control Area Ventilation System inoperable, restore t'he inoperable system to OPERABLE status within 7-days or-initiate.and l ! | |||
maintain operation of the remaining OPERABLE Control Area-Ventilation System in the recirculation mode; and' ' | |||
l | |||
: b. .With both Control Area Ventilation Systems. inoperable, or with ths OPERABLE Control Area Ventilation System,stequired to be-in_the: " | |||
l l | |||
recirculation mode by ACTION a. , not capable of being. powered by an OPERABLE emergency power source, suspend all operations 11nvolving-CORE ALTERATIONS or positive reactivity changes, | |||
: c. The provisions. of Specification. 3.0.4 are not; applicable. ' | |||
SURVEILLANCE REQUIREMENTS 4.7.6. Each Controit Area' Ventilation System shall be; demonstrated OPERABLE: - | |||
: a. At least once per 12 hours, by verifying that' the control room . | |||
air temperature is less than'or equal to.90*F;: I: ! | |||
: b. At least once per 31 days on a STAGGERED TEST BASIS .by initiating, 3 from the control room, flow through the HEPA filters and charcoal j adsorbers and verifying the the- system operates for at least ' | |||
10 hours with the heaters operating; g McGUIRE - UNITS 1 and 2 3/4.7-13 | |||
, Amendment No.108 '(Unit 1) | |||
: Amendment No. 90 (Unit 2) _ | |||
i-------------- . , , - , - - - - - - - e ww-* - -,----en--,.~,w~ | |||
-. .- , j PLANT SYSTEMS SURVEILLANCE REQUIREMENTS (Continued) , | |||
i | |||
: c. - At' leMt once per _18 months, or (1) after any structural maintenance - | |||
on the HEPA filter or charcoal adsorber housings, or (2):following , | |||
painting, fire or chemical release in any ventilation, zone , | |||
communicating with the system,:by: - ggf 70 s ' | |||
1)- Verifying that the system satisfies the in place' penetration [ | |||
and bypass leakage testing acceptance criteria of less:thanC ' | |||
and uses the< test procedure guidance of= Regulatory Positions C.5.a. C.S.ci and C.5.d of Regulatory Guide 1.52, Revision 2,; j, March 1978, and the-system flow rate is 2000 cfm | |||
* 10%;. . | |||
L 2) Verifying, .within; 31 ' days af ter removal, 'that a laborat'o ry-L analysis of a-representative carbon sample obtained-in accordance with- Regulat ory Position C.6.b of Regulatory Guide 1.52, Revision 2, Marcl.1978, meets the laboratory testing i criteria of Regulatory Position C.6.a of' Regulatory Guide 1.52, i Revision 2,' March 1973,sfor a. methyl ~ iodide penetration of:less than 0.175%; and I | |||
: 3) Verifying e .s tem flow rate of 2000 cfe t 10% during system-operation wheti tested in accordance with ANSI'N510-1975. , | |||
i | |||
: d. After every 720_ hours of charcoal' adsorber operation, by verifying - ' | |||
within 31 days 'after removal, that a IQoratory analysis of; a. | |||
representative carbon sample obtained in accordance with Regulatory. | |||
Position C.6.b of Regulatory Guide 1._52,. Revision '2, March 197d, a 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 0.175%; | |||
l < | |||
: e. At least once per 18 months, by: | |||
: 1) Verifying that the pressure drop across. tho' combined pre-filters, HEPA filters _and charcoal.adsorber banks is less than 5. inches Water Gauge while' operating the1 system at a flow rate-of 2000~cfm i 10%; | |||
: 2) Verifying that upon> actuation of a diesel generator sequencer; the system automatically switches into a mode of operation with-flow through the HEPA filters and charcoal'adsorber banks;- ' | |||
: 3) Verifying that the system maintains = the control room at'a. ' | |||
positive pressure of greater than or equal,to'1/8 inch W.G. | |||
relative to the outside atmosphere during. system operation; and. | |||
: 4) Verifying that the heaters dissipate.10 t 1.0_kW when tested!in' s accordance-with ANSI N510-1975. | |||
l i | |||
~McGUIRE - UNITS 1 and 2 3/4 7 Amendment No.JO nit'1)- | |||
Amendment No. .J0'(Unit 2) a | |||
. ~ . . . . _ . ~ . ., | |||
e | |||
$LANTSYSTEMS SURVEILLANCE' REQUIREMENTS,(Continued) | |||
. d.0 5 0 | |||
: f. After each complete or partial' replacement of a HEPA' filter ank, by vertfying that-the HEPA filter bank sattsfies the in place netration " | |||
and bypass leakage testing acceptance criteria of:less than n- , ' | |||
accordance with. ANSI N510-1975- for a 00P test' aerosol, while operating the system at'a flow rate of 2000 cfm + 10%;-;and- | |||
: g. After each complete or. partial replacement'of a' charcoal adsorber'- | |||
1 l | |||
I bank, by verifying that the charcoal adsorber satisfies the;in placei penetration.and bypass-leakage testing' acceptance criteria of'less tha c #n-W'in accordance with ANSI N510-1975 forya halogenated hydro-- | |||
on refrigerant test gas while operating the system.at a flow ate of 2000 cfm + 10%. - | |||
a h=h $ | |||
s E. | |||
.f'- | |||
t i | |||
^) | |||
i 6 | |||
I t | |||
b Mtik /M U . . | |||
.McGUIRE'- UNITS 1 and-2 3/4 7-15 fgj g ,- | |||
u - | |||
. . . - . . . - - - . .}} |
Latest revision as of 07:45, 6 January 2021
ML20065J704 | |
Person / Time | |
---|---|
Site: | Mcguire, McGuire ![]() |
Issue date: | 10/24/1990 |
From: | DUKE POWER CO. |
To: | |
Shared Package | |
ML20065J702 | List: |
References | |
NUDOCS 9011140142 | |
Download: ML20065J704 (4) | |
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. . 1 PLANT SYSTEMS- f. 1^
l 3/4.7.6 CONTROL AREA VENTILATION SYSTEM. .k___ er ew toA A LIMITING CONDITION FOR OPERATION t
1 3.7.6 Two independent Control Area Ventilation Systems shall be OPERABLE.
l APPLICABILITY: ALL MODES ACTION:. (Units 1 and 2)
MODES 1, 2, 3 and 4:
~ With one Control Area Ventilation. System inoperable, restore the inoperable, system to OPERABLE status within 7 days'or be in.at least-HOT STANDBY:within. l ~g 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'fo11owing 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />..
MODES 5 and 6:
- a. With one Control Area Ventilation System inoperable, restore t'he inoperable system to OPERABLE status within 7-days or-initiate.and l !
maintain operation of the remaining OPERABLE Control Area-Ventilation System in the recirculation mode; and' '
l
- b. .With both Control Area Ventilation Systems. inoperable, or with ths OPERABLE Control Area Ventilation System,stequired to be-in_the: "
l l
recirculation mode by ACTION a. , not capable of being. powered by an OPERABLE emergency power source, suspend all operations 11nvolving-CORE ALTERATIONS or positive reactivity changes,
- c. The provisions. of Specification. 3.0.4 are not; applicable. '
SURVEILLANCE REQUIREMENTS 4.7.6. Each Controit Area' Ventilation System shall be; demonstrated OPERABLE: -
- 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.90*F;: I: !
- b. At least once per 31 days on a STAGGERED TEST BASIS .by initiating, 3 from the control room, flow through the HEPA filters and charcoal j adsorbers and verifying the the- 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 heaters operating; g McGUIRE - UNITS 1 and 2 3/4.7-13
, Amendment No.108 '(Unit 1)
- Amendment No. 90 (Unit 2) _
i-------------- . , , - , - - - - - - - e ww-* - -,----en--,.~,w~
-. .- , j PLANT SYSTEMS SURVEILLANCE REQUIREMENTS (Continued) ,
i
- c. - At' leMt once per _18 months, or (1) after any structural maintenance -
on the HEPA filter or charcoal adsorber housings, or (2):following ,
painting, fire or chemical release in any ventilation, zone ,
communicating with the system,:by: - ggf 70 s '
1)- Verifying that the system satisfies the in place' penetration [
and bypass leakage testing acceptance criteria of less:thanC '
and uses the< test procedure guidance of= Regulatory Positions C.5.a. C.S.ci and C.5.d of Regulatory Guide 1.52, Revision 2,; j, March 1978, and the-system flow rate is 2000 cfm
- 10%;. .
L 2) Verifying, .within; 31 ' days af ter removal, 'that a laborat'o ry-L analysis of a-representative carbon sample obtained-in accordance with- Regulat ory Position C.6.b of Regulatory Guide 1.52, Revision 2, Marcl.1978, meets the laboratory testing i criteria of Regulatory Position C.6.a of' Regulatory Guide 1.52, i Revision 2,' March 1973,sfor a. methyl ~ iodide penetration of:less than 0.175%; and I
- 3) Verifying e .s tem flow rate of 2000 cfe t 10% during system-operation wheti tested in accordance with ANSI'N510-1975. ,
i
- d. After every 720_ hours of charcoal' adsorber operation, by verifying - '
within 31 days 'after removal, that a IQoratory analysis of; a.
representative carbon sample obtained in accordance with Regulatory.
Position C.6.b of Regulatory Guide 1._52,. Revision '2, March 197d, a 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 0.175%;
l <
- e. At least once per 18 months, by:
- 1) Verifying that the pressure drop across. tho' combined pre-filters, HEPA filters _and charcoal.adsorber banks is less than 5. inches Water Gauge while' operating the1 system at a flow rate-of 2000~cfm i 10%;
- 2) Verifying that upon> actuation of a diesel generator sequencer; the system automatically switches into a mode of operation with-flow through the HEPA filters and charcoal'adsorber banks;- '
- 3) Verifying that the system maintains = the control room at'a. '
positive pressure of greater than or equal,to'1/8 inch W.G.
relative to the outside atmosphere during. system operation; and.
- 4) Verifying that the heaters dissipate.10 t 1.0_kW when tested!in' s accordance-with ANSI N510-1975.
l i
~McGUIRE - UNITS 1 and 2 3/4 7 Amendment No.JO nit'1)-
Amendment No. .J0'(Unit 2) a
. ~ . . . . _ . ~ . .,
e
$LANTSYSTEMS SURVEILLANCE' REQUIREMENTS,(Continued)
. d.0 5 0
- f. After each complete or partial' replacement of a HEPA' filter ank, by vertfying that-the HEPA filter bank sattsfies the in place netration "
and bypass leakage testing acceptance criteria of:less than n- , '
accordance with. ANSI N510-1975- for a 00P test' aerosol, while operating the system at'a flow rate of 2000 cfm + 10%;-;and-
- g. After each complete or. partial replacement'of a' charcoal adsorber'-
1 l
I bank, by verifying that the charcoal adsorber satisfies the;in placei penetration.and bypass-leakage testing' acceptance criteria of'less tha c #n-W'in accordance with ANSI N510-1975 forya halogenated hydro--
on refrigerant test gas while operating the system.at a flow ate of 2000 cfm + 10%. -
a h=h $
s E.
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t i
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i 6
I t
b Mtik /M U . .
.McGUIRE'- UNITS 1 and-2 3/4 7-15 fgj g ,-
u -
. . . - . . . - - - . .