ML20066B258

Proposed Tech Spec Tables 3.5-4 & 4.1-1 Re Feedwater Isolation Requirements

ML20066B258
Person / Time
Site:	Prairie Island
Issue date:	12/26/1990
From:	NORTHERN STATES POWER CO.
To:
Shared Package
ML20066B244	List: ML20066B241 ML20066B252 ML20066B258
References
GL-89-19, NUDOCS 9101070021
Download: ML20066B258 (8)

Text

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Exhibit B Prairic Island Nuclear Generating Plant License Amendment Request Dated December 26, 1990 Proposed Changes Marked Up On Existing Technical Specification Pages Exhibit B consists of existing Technical Specification pages with the proposed changes written on those pages. Existing pages affected by this License Amendment Request are listed below:

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TABLE TS.3.5 4 TABLE TS.4.1-1 (Page 2 of 5) 9101070021 901226 PDR ADOCK 05000282 p PDR _ __. _ _ - _ _ _ _ - _ _ _ _ __ - _ _ _ _ _

TABLE TS.3.5-4 (Page 1 of 2)

INSTRUt1ENT OPERATING CONDITIONS FOR ISOIATION F1111CTIONS 1 2 3 4 MINIMUM MINIMUM PERMISSI BLE OPERATOR ACTION IF OPERABLE DEGREE OF BYPASS CONDITIONS OF COLUMN F11NCTIONAL UtilT CllANNELS REDUNDA!!CY CONDITIONS 1 or 2 CANNOT BE MET

1. CONTAlther.i. t 15uuu nure

a. Safety Injection .(See Item No. 1 of Table TS.3.5-3) Ilot shutdown **

b. Manual 2 1 Ilot shutdown l 2. CONTAltiMENT VENT 11ATION ISOIATIO!I

a. Safety Injection (See Item No. 1 of Table TS.3.5-3) liaintain Purge and Inservice Purge Valves closed if (1) conditions

b. liigh Radiation in Exhaust Air 2 1 of a, b, or e cannot be met above COLD SilUTDOWN or (2) if conditions l.

c. Manual 2 1 of b or e cannot be met during fuel handling in contalrunent.

3. STEAM LINE IS01ATION

a. 111 -111 Steam Flow with Safety 2/ loop 1 Ilot Shutdown **

Inj ec tion ya

b. 111 Steam Flow and 2 of 4 Low T,yg 2/ loop 1 Ilot Shutdown **

<h with Safety Injection j rn

c. 111 Containment Pressure 2 1 Ilot Shutdown ** ,

~d OL

d. Manual 1/ loop -

llot Shutdown ** ML

L 4 EMERGENCY COOLDOWN EQUIPMENT ROOM e IS01ATION l

a. liigh temperature in ventilation 2 1 Ilot Shutdown **

system ducts

• • If minimum conditions are not. met within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, steps shall be taken on t be af fected unit to place the unit in COLD SilUIDOUN conditions. l l

~

r- v TABLE TS.3.5-4 (Page 2 of 2) e INSTRUMENT OPERATING CONDITIONS FOR ISOIATION FUNCTIONS 2 3 4 1

MINIMUM PERMISSIBLE OPERATOR ACTION IF MINIMUM DECREE OF BYPASS CONDITIONS OF COLUMN OPERABLE CHANNELS REDUNDANCY CONDITIONS 1 OR 2 CANNOT BE MET FUNCTIONAL UNIT

5. FEEDWATER IS01ATION 2 1 Ilot Shutdown **

a. Ill 111 Steam Generator Level llot Shutdown **

b. Safety Injection (See Item No. 1 of Table TS.3.5-3) 2 1 Ilot Shutdown **

c. Reactor Trip

(

with 2 of 4 Low T,yg (Main Valves only) na l 5N G

"M

• • If minimum conditions are not met within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, steps shall be taken on the affected unit to place the Ah

.\ unit in COLD SIIUTDOWN conditions.

ou n

N W , y n w

TABLE TS.4.13 sge 2 of 5) .

MItIIMUM FREQUEllCIES FOR CIIECKS. CALIBRATI0flS AND TEST OF INSTRUMENT CllANNELS Functional Response Channel Test Test Remarks Description Check Calibrate 1) With step counters T(2) NA S(1) R

9. Analog Rod Position 2) Rod Position Deviation Monitor H(2) Tested by updating computer bank count and comparing with analog rod position test signal' T(3) NA 1) Uith analog rod position S(1,2) NA

10. Itod Position Bank 2) Following rod motion in excess of Counters H(3) six inches when the cornputer is R M NA out of service lib. Steam Generator liigh Level S

3) Control rod banks insertion limit monitor and control rod position deviation rnonitors 1.

h Steam Generatorg Level S R H NA H NA

- S R l

K12. Steam 4;eneretoe Flou -

-Hisna tch-NA NA S R

13. Charging Flow NA NA 1) When in operation S(1) R

14. Itesidual 11 eat Rercoval Pump Flow

.NA 1) Transfer logic to Refueling Unter M Q ;;,3 D. R(1) H(1) Storage Tank dy $

15. Boric Acid Tank Level P, **

1) Functional test can be performed "g H(1) NA 0 *

16. Itefueling Water Storage W R by bleeding transmitter R y l

Tank Level o

5 k' NA NA S R

17. Volume Control Tank NA Ulde Range Containment Pressure S R M(1) 1) Isolation Valve Signal 18a. Containment Pressure SI Signal NA Harrow Range Containment Pressure S R H 18b. Containment Pressure Steam Line Isolation l h kd

• -Fellowing-inseeHacien-of-the-digital-feedweeer-conerol-systemnnly-steem-flow-channe s-ere-c ee e r

--calibrated -and-tested-in-eeeordanee-with-this-Tebic.

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Exhibit C Prairie Island Nuclear Generating Plant License Amendment Request Dated December 26, 1990 Revised Technical cation Pages Exhibit C consists of revised pages for the Prairie Island Nuclear Generating Plant Technical Specification with the proposed changes incorporated. The revised pages are listed below:

TABLE TS.3.5 4 (Page 1 of 2) 7t.*;LE TS.3.5 4 (Page 2 of 2)

TABIL TS.4.1-1 (Page 2 of 5)

i

-l TABLE TS.3. 5-4 (Page 1 of 2)

INSTRUMENT OPERATING CONDITIONS FOR ISOLATION FUNCTIONS  !

I l 1 2 3 4 l MINIMUM MINIMUM PERMISSIBLE OPERATOR ACTION IF OPERABLE DEGREE OF BYPASS CONDITIONS OF COLLMN FUNCTIONAL UNIT CHANNELS REDUNDANCY CONDITIONS 1 OR 2 CANNOT BE MET l l

, . i l

1. CONTAINMENT ISOLATION i

a. Safety Injection (See Item No. 1 of Table TS.3.5-3) Ilot Shutdown **

b. Manual 2 1 Hot Shutdown t

l 2. CONTAINMENT VENTILATION ISOLATION I

i

a. Safety Injection (See Item No. 1 of Table TS 3.5-3) Maintain Purge and Inservice Purge

. Valves closed if (1) conditions  ;

of a, b, or c cennot be met above t l b. liigh Radiation in Exhaust Air 2 I.

i COLD SHUTDON or (2) if conditions f c. Manual 2 1 of b or c cannot be met during  ;

fuel handling in containment.

l

[ 3. STEAM LINE IS01ATION  !

! i

a. 111-111 Steam Flow with Safety 2/ loop 1  !!ot Shutdown **  !

Inj ection f i

i b. Ili Steam Flow and.. 2 of 4 Low Ty 2/ loop 1 Hot Shutdown **

i with Safety Injection -e f i

2$  !

c. 111 Containment Pressure 2 1 Hot Shutdown ** $E

-e .

. d. Manual 1/ loop -

Ilot Shutdown ** o?

"Y

4. EMERGENCY C00LDO'.'N EQUIPMENT ROOM OY " '

IS01ATION

a. High temperature in ventilation 2 1 Ilot Shutdown **

systec+ ducts i ,

• • If minimum conditions are not met within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, steps shall be' taken on the affected unit to place the unit in COLD S11UTDOWN conditions.  !

6

t I. -

! f i

l .Y TABLE TS.3.5-4 (Page 2 of 2) [

INSTRUMENT OPERATING CONDITIONS FOR ISOIATION FlMCTIONS ~l I

~

i 1 2 3 4 i MINIMUM MINIMUM PERMISSIBLE OPERATOR ACTION IF OPERABLE DEGREE OF BYPASS CONDITIONS OF COLLNN ,

FUNCTIONAL UNIT CHANNELS REDUNDANCY CONDITIONS 1 OR 2 CANNOT BE MET ,

i

5. FEEDWATER ISOIATION

a. Hi Hi Steam Generator Level 2 1 Hot Shutdown **

b. Safety Injection (See Item No. 1 of Table TS.3.5-3) Hot Shu"down** ,

! c. Reactor Trip 2 1 Hot Shutdown ** t i with 2 of 4 low T,y (Main Valves only) ,

l

\ \

l QY S

em ws r L

• • If minimum conditions are not met within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, steps shall be taken on the affected unit to place the c- i i

unit in COLD SHUTDOWN conditions. "."

" Y.  !

t i  !

t f

}

TABLE TS.4.1-1 (Page 2 of 5) .

MINIMUM FREOUENCIES FOR CHECKS. CALIBRATIONS AND TEST OF INSTRUMENT C11AN'JELS Channel Functional Response Test Test Remarks Description Check Calibrate T(2) NA 1) With step counters

9. Analog Rod Position S(l) R

2) Rod Position Deviation Monitor M(2) Tested by updating computer bank j count and comparing with analog j rod position test signal S(1,2) NA T(3) NA 1) With analog rod position '

10. Rod Position Bank 2) Following rod motion in excess of Counters M(3) six inches when the computer is out of service

3) Control rod banks insertion limit monitor and control rod position deviation monitors S R M NA lla. Steam Generator Low Level M NA lib. Steam Generator High Level S R S R M NA

12. Steam Flow R NA NA

13. Charging Flow S R NA NA 1) When in operation 14 Residual Heat Removal S(1)

Pump Flow R(1) M(1) NA 1) Transfer logic to Refueling Water

15. Boric Acid Tank Level D Storage Tank ,

E'

= c-W R M(1) NA 1) Functionni test can be performed 77

~~

16. Refueling Water Storage by bleeding transmitter Tank Level "$

o-S R NA NA -y

17. Volume Control Tank S R M(1) NA Vide Range Containment Pressure 18a. Containment Pressure 1) Isolation Valve Signal SI Signal R M NA Narrow Range Containment Pressure S

18b. Containment Pressure Steam Line Isolation i

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