ML20073F456

From kanterella
Jump to navigation Jump to search
Proposed Tech Specs Re AFW Sys,Msli Valves & ESFAS Instrumentation
ML20073F456
Person / Time
Site: Millstone Dominion icon.png
Issue date: 09/17/1994
From:
NORTHEAST NUCLEAR ENERGY CO.
To:
Shared Package
ML20073F451 List:
References
NUDOCS 9410030106
Download: ML20073F456 (10)
v • d • e


Text

_ . . . _ _ . __

[ .

Docket No. 50-423 B14984 l

r Attachment 1 Millstone Nuclear Power Station, Unit No. 3 '

Proposed Revision to Technical Specifications Auxiliary Feedwater, Main Steam Line Isolation Valves, and Engineered Safety Feature System Response Time Marked-up Pages i

i september 1994 9410030106 940917 PDR P

ADOCK 05000423 PDR

1

~

07/22/92 l CbNTAINMENTSYSTEMS s 3/4.6.3' CONTAINMENT ISOLATION VAtVES f LIMITING CONDITION FOR OPERATION 3.6.3 The containment isolation valves shall be OPERABLE with isolation times less than or equal to the required isolation times.

MODES 1, 2, 3, and 4.

I~ APPLICABILIT ACTION:

With one or more of the isolation valve (s) inoperable, maintain at least one isolation valve OPERABLE in each affected penetration that is open' and:

a. Restore the inoperable valve (s) to OPERABLE status within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />, or
b. Isolate each affected penetration within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> by use of at least one deactivated automatic valve secured in the isolation position, or
c. Isolate each affected penetration within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> by use of at least one closed manual valve or blind flange; or

, d. Be in at least HOT STANDBY 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 />.

SURVEILLANCE RE001REMENTS Y

4.6.3.1 Each isolation valve shall be demonstrated OPERABLE prior to returning the valve to service af ter maintenance, repair, or replacement work is performed on the valve or its associated actuator, control, or power circuit by performance of a cycling test and verification of isolation time.

4.6.3.2 Each isolation valve shall be demonstrated OPERABLE during the COLD SHUTDOWN or REFUELING MODE at least once per 18 months by:

a. Verifying that on a Phase *A" Isolation test signal, each Phase "A" isolation valve actuates to its isolation position,
b. Verifying that on a Phase "B" Isolation test signal, each Phase "B" isolation valve actuates to its isolation position, and
c. Verifying that on a Containment High Radiation test signal, each purge supply and exhaust isolation valve actuates to its isolation position.

4.6.3.3 The isolation time of each power-operated or automatic valve shall be determined to be within its limit when tested pursuant to Specification 4.0.5.

.Tk p ai .'on J sp;&teJ., yc. y ,,a ,A j4~ ,

.u +,,

%f sw I.% w /J:oa al~ n +<3 inc 2 A9 J '

t','L!SiONE - UNil 3 3/4 fr ! 5 A.endment No. 2E. f/. f' tot:

__OL -_-__ 7 l l

i

. i

  • February 21, 1990 l

PLANT SYSTEMS i

MAIN STEAM LINE ISOLATION VALVES LIMITING CONDITION FOR OPERATION 3.7.1.5 Each main steam line isolation valve (MSIV) shall be OPERABLE.

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

ACTION:

MODE 1:

With one MSIV inoperable but open, POWER OPERATION may continue provided the inoperable valve is restored to OPERABLE status within 3 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />; otherwise be in HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and n  ;

in HOT SHUTDOWN within the following 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />. l 1

MODES 2, 3, and 4:

'sI With one MSIV inoperable, subsequent operation in MODE 2 or 3 or 4 may proceed provided the isolation valve is maintained closed. Otherwise, be -

in HOT STANDBY 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 />. {

)

SURVEILLANCE RE0VIREMENTS .

4.7.1.5.1 Each MSIV shall be demonstrated OPERABLE by verifying full closure I within 5 seconds in Modes 1, 2, and 3 when tested pursuant to Specification 4.0.5. The provisions of Specification 4.0.4 are not applicable for entry into MODE 3. l j

4.7.1.5.2 Each MSIV shall be demonstrated OPERABLE by verifying full closure >

within 120 seconds in Mode 4 when tested pursuant to Specification 4.0.5. The I i provisions of Specification 4.0.4 are not applicable for entry into Mode ,

/

4 O

1 MILLSTONE - UNIT 3 3/4 7-9 Amendment No. 46 i rN [ ?

l

., " June 8, 1993

  • June 8, 1993 INSTRUMENTATION SURVEllLANCE REOUTREMENTS

(

4.3.2.3 Each ESFAS instrumentation channel and interlock and the automatic actuation logic and relays shall be demonstrated OPERABLE by performance of '

the ESFAS Instrumentation Surveillance Requirements specified in Table 4.3-2.

4.3.2.2 The ENGINEERED SAFETY FEATURES RESPONSE TIME of each ESFAS function l shall be demonstrated to be within the limit at least once per 38 months.*

Each test shall include at least one train such that both trains are tested at least once per 36 months and one channel (to include input relays to both trains) per function such that all channels are tested at least once per N

  • times 38 months where N is the total number of redundant channels in a specific ESFAS function as shown in the " Total No. of Channels" column of Table 3.3-3.
  1. oS S fe c-l SI c a '$ c a Y 0.4 a,,

< Tke pro v i.s i o r .s

% respos.s e +/m e fc-s-Nn e&

nd a l; a l,le M8M Mew hrc  ; 3 0 /J.% @.amee}m@mej@q ou)Ver/JnoDE3r ,.l a Av; j s,3 faaJwa4,,yaup cQ ln fe (

/MOV&" 3_

  • Except that the surveillance requirement due no later than June 13,'1993, may .

be deferred until the next refueling outage, but no later than September 30, 1993, whichever is earlier.

Amendment No. /E,79.

MILLSTONE - UNIT 3 3/4 3-16 sans oO

(

PLANT SYSTEMS N 3 3 E00 r SURVEILLANCE REQUIREMENTS (Continued)

3) Verifying that each non-automatic valve in the flow path that is not locked, sealed, or otherwise secured in position is in its correct position; and
4) Verifying that each auxiliary feedwater control and isolation valve in the flow path is in the fully open position when above

. 10% RATED THERMAL POWER.

b. At least once per 18 months during shutdown by verifying that each auxiliary feedwater pump starts as designed automatically upon pt of an Auxiliary Feedwater Actuation test signal. 'w.y.an:.; 4 4.7.1.2.2 An auxiliary feedwater flow path to each steam generator shall be  :

demonstrated OPERABLE following each COLD SHUTDOWN of greater than 30 days l prior to entering MODE 2 by verifying flow to each steam generator.

o 1k i

e, e

l f w MM Y O w  ?*P3 h e Fa h tt& spec.4<shm g.o,q m m,p %g 4 nhy hbo Moog g,

?

~

MILLSTONE - UNIT 3 3/4 7-5

P Docket No. 50-423 B14984 i

r Attachment 2 Millstone Nuclear Power Station, Unit No. 3 ,

Proposed Revision to Technical Specifications Auxiliary Feedwater, Main Steam Line Isolation Valves, and l Engineered Safety Feature System Response Time  ;

Retyped Pages l i

1 i

l l

i September 1994 I

INSTRUMENTATION SURVEILLANCE REQUIREMENTS 4.3.2.1 Each ESFAS instrumentation channel and interlock and the automatic actuation logic and relays shall be demonstrated OPERABLE by performance of the ESFAS Instrumentation Surveillance Requirements specified in Table 4.3-2.

4.3.2.2 The ENGINEERED SAFETY FEATURES RESPONSE TIME

  • of each ESFAS function shall be demonstrated to be within the limit at least once per 18 months.**

Each test shall include at least one train such that both trains are tested at least once per 36 months and one channel (to include input relays to both trains) per function such that all channels are tested at least once per N times 18 months where N is the total number of redundant channels in a specific ESFAS function as shown in the " Total No. of Channels" column of Table 3.3-3.

I

  • The provisions of Specification 4.0.4 are not applicable for response time testing of steam line isolation for entry into MODE 4 and MODE 3 and turbine driven auxiliary feedwater pump for entry into MODE 3.
    • Except that the surveillance requirements due no later than June 13, 1993, may -

be deferred until the next refueling outage, but no later than September 30, 1993, whichever is earlier.

MILLSTONE - UNIT 3 3/4 3-16 Amendment No. ff, 77, 0280

- I

,' CONTAINNENT SYSTENS 3/4.6.3 CONTAINNENT ISOLATION VALVES LINITING CONDITION FOR OPERATION 3.6.3 The containment isolation valves shall be OPERABLE with isolation times less than or equal to the required isolation times.

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

ACTION:

With one or more of the isolation valve (s) inoperable, maintain at least one isolation valve OPERABLE in each affected penetration that is open and:

a. Restore the inoperable valve (s) to OPERABLE status within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />, or
b. Isolate each affected penetration within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> by use of at least I one deactivated automatic valve secured in the isolation position, or
c. Isolate each affected penetration within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> by use of at least one closed manual valve or blind flange; or
d. Be in at least HOT STANDBY 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 />.

SURVEILLANCE REQUIRENENTS 4.6.3.1 Each isolation valve shall be demonstrated OPERABLE

  • prior to returning the valve to service after maintenance, repair, or replacement work is performed on the valve or its associated actuator, control, or power circuit by performance of a cycling test and verification of isolation time.

4.6.3.2 Each isolation valve shall be demonstrated OPERABLE during the COLD SHUTDOWN or REFUELING MODE at least once per 18 months by:

a. Verifying that on a Phase "A" Isolation test signal, each Phase "A" isolation valve actuates to its isolation position,
b. Verifying that on a Phase "B" Isolation test signal, each Phase "B" isolation valve actuates to its isolation position, and
c. Verifying that on a Containment High Radiation test signal, each purge supply and exhaust isolation valve actuates to its isolation position.

4.6.3.3 The isolation time of each power-operated or automatic valve shall be determined to be within its limit when tested pursuant to Specification 4.0.5.

  • The provisions of Specification 4.0.4 are not applicable for main steam line isolation valves entry into MODE 3 and MODE 4.

NILLSTONE - UNIT 3 3/4 6-15 Amendment No. 77,77,77, 0281

PLANT SYSTENS NAIN STEAN LINE ISOLATION VALVES LIMITING CONDITION FOR OPERATION I

3.7.1.5 Each main steam line isolation valve (MSIV) shall be OPERABLE.

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

ACTION:

MODE 1:

With one MSIV inoperable but open, POWER OPERATION may continue provided the inoperable valve is restored to OPERABLE status within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />; otherwise be in HOT STANDBY 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 HOT SHUTDOWN within the following 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />. l MODES 2, 3, and 4:

With one MSIV inoperable, subsequent operation in MODE 2, or 3, or 4 may proceed provided the isolation valve is maintained closed. Otherwise, be in HOT STANDBY 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 />.

SURVEILLANCE REQUIRENENTS 4.7.1.5 Each MSIV shall be demonstrated OPERABLE by verifying full closure within 5 seconds in Modes 1, 2, and 3 when tested pursuant to Specification 4.0.5. The provisions of Specification 4.0.4 are not applicable for entry into i

MODE 3.

l 4.7.1.5.2 Each MSIV shall be demonstrated OPERABLE by verifying full closure within 120 second in Mode 4 when tested pursuant to Specification 4.0.5. The provisions of Specification 4.0.4 are not applicable for entry into MODE 4.

(

NILLSTONE - UNIT 3 3/4 7-9 Amendment No. # ,

0283

r . ,

PLANT SYSTEMS ,

SURVEILLANCE REQUIREMENTS (Continued) {

f

3) Verifying that each non-automatic valve in the flow path that '

is not locked, sealed, or otherwise secured in position is in its correct position; and

4) Verifying that each auxiliary feedwater control and isolation valve in the flow path is in the fully open position when above ,

10% RATED THERMAL POWER.

b. At least once per 18 months during shutdown by verifying that each auxiliary feedwater pump starts as designed automatically upon receipt of an Auxiliary Feedwater Actuation test signal. For the 1 steam turbine-driven auxiliary feedwater pump, the provisions of  :

Specification 4.0.4 are not applicable for entry into MODE 3.

t 4.7.1.2.2 An auxiliary feedwater flow path to each steam generator shall be  !

demonstrated OPERABLE following each COLD SHUTDOWN of greater than 30 days prior to entering MODE 2 by verifying flow to each steam generator.

3 k

i I

t i

MILLSTONE - UNIT 3 3/4 7-5 Amendment No.

0282 4

l

_-

Retrieved from "https://kanterella.com/w/index.php?title=ML20073F456&oldid=2770957"