ML20043C180

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Proposed Tech Specs Re Steam Generator Water Level Instrumentation
ML20043C180
Person / Time
Site: Vogtle  Southern Nuclear icon.png
Issue date: 05/29/1990
From:
GEORGIA POWER CO.
To:
Shared Package
ML20043C179 List:
References
NUDOCS 9006040184
Download: ML20043C180 (5)
v • d • e


Text

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,3. .. g ENCLOSURE 3 V0GTLE ELECTRIC GENERATING PLANT TECHNICAL-SPECIFICATION CHANGE STEAM GENERATOR LEVEL INSTRUMENTATION INSTRUCTIONS FOR INCORPORATION

, The proposed amendment to the Technical Specifications would be incorporated as follows:

Remove Paae Insert Paae 2-5 and 2-6* 2-5 and 2-6 3/4 3-31 and 3/4 3-32* 3/4 3-31 and 3/4 3-23 E3-1

  • Overleaf page containing no change 9006040184 DR 900529 ADOCK 05000424 PDC

.- o ,

.x V

TABLE 2.2-1 (Continued) ..s g REACTOR TRIP SYSTEM INSTRUMENTATION TRIP SETPOINTS y

m SENSOR TOTAL g ALLOWANCE ERROR ALLOWABLE VALUE 3 Z (5) TRIP SETPOINT FUNCTIONAL UNIT (TA) 1.67 >1960 psig** >1950 psig 3.1 0.71

- 9. Pressurizer Pressure-low -

e (PI-0455A,B&C, PI-0456 &

ro PI-0456A, PI-0457 & PI-0457A, PI-0458 & PI-0458A) <2395 psig 3.1 0.71 1.67 <2385 psig

10. Pressurizer Pressure-High (PI-0455A,B&C, PI-0456 &

PI-0456A, PI-0457 & PI-0457A,~

PI-0458 & PI-0458A) <93.9% of instrument 8.0 2.18 1.67 <92% of instrument

11. Pressurizer Water Level-High span span (LI-0459A, LI-0460A, LI-0461) >89.4% of loop 1.87 0.60 >90% of loop Reactor Coolant Flow-Low 2.5 design flow
  • ry 12. ~ design flow
  • LOOP 2 LOOP 3 LOOP 4 m (LOOP 1 FI-0414 FI-0424 FI-0434 FI-0444 FI-0415 FI-0425 FI-0435 FI-0445 (.77,6),,, (JL 7) a,#

FI-0416 FI-0426 FI-0436 FI-0446) ~

>17.8% of narrow 18.5 17.18 "1.67 >18.5%$fnarrow

13. Steam Generator Water Level range instrument range instrument Low-Low (21.8) (16.p/) span span

$ LOOP 3 LOOP 4 (LOOP 1 LOOP 2 J LI-0517 LI-0527 LI-0537 LI-0547 LI-0518 LI-0528 LI-0538 LI-0548 LI-0519 LI-0529 LI-0539 LI-0549 LI-0551 LI-0552 LI-0553 LI-0554) >9481 volts 6.0 0.58 0 >9600 volts

14. Undervoltage - Reactor {70% bus voltage) T69% bus voltage)

Coolant Pumps 0 >57.3 Hz >57.1 Hz Underfrequency - Reactor 3.3 0.50 15.

Coolant Pumps

      • Loop Timedesign flow = 95,700_gpm constants utilized in the lead-lag controller for Pressurizer Pressure-Low are 10 seconds for lead and 1 second for lag.

CHANNEL CALIBRATION shall ensure that these time constants are adjusted to these values.

si

  • w *TAe vala r enled insi/e the parea/An,s is for l,s/maed do*n 1/af Jag: fle lower fay aaff,,,f,,, af, ,f;,,4,gf',

,33 ,

n e vals r stated outs,le d e ,,,,,ge,,, ,, ;;,, ,,,taa,,,,at,&,, thf 4,y de kwer. .fg .c I

1

! +- p y. .~ * ; o . -- .. _

m

, y iJ TA8LE 3.3-3 (Continued) --

o ENGINEERED SAFETY FEATURES ACTUATION SYSTEM INSTRUMENTATION TRIP SETPOINTS h SENSOR TOTAL

[ ALLOWANCE ERROR z, TRIP SETPOINT ALLOWABLE VALUE-(TA) Z (S) g FUNCTIONAL UNIT

5. Turbine Trip and Feedwater Isolation (4 C)4 (ry, y)"

~

(Continued) #

5.1 .. 2.18 1.67 <78.0% of <79.9%^of narrow

[ c. Steam Generator Water Instrument range instrument Level--High-High (P-14) 04.07 (y,gfy* span. span.

LOOP 2 LOOP 3 LOOP 4 (LOOP 1 LI-0517 LI-0527- LI-0537 LI-0547 LI-0518 LI-0528 LI-0538 LI-0548 LI-0519 LI-0529 LI-0539 LI-0549 LI-0551 LI-0552 LI-0553 LI-0554)

Safety Injection See Functional Unit 1. above for all Safety Injection Trip d.

y Setpoints and Allowable Values.

2 y 6. Auxiliary Feedwater N.A. N.A. N.A. N.A.

a. Automatic Actuation Logic N.A.

.and Actuation Relays

b. Steam Generator Water Level--

Low-Low LOOP 2 LOOP 3 -LOOP 4 (LOOP 1 LI-0517 LI-0527 LI-0537 LI-0547 LI-0518 LI-0528 LI-0538 LI-0548 .-

LI-0519 LI-0529 LI-0539 LI-0549 (JF, 9,) p' LI-0551 LI-0552 LI-0553 LI-0554) (yy,rj f 4

18.5 17.18 1.67 >18.5%'of- .>17.8% of

1. Start Motor-Driven Pumps Harrow range Warrow range (z t. 8)* (f y,1fy' instrument instrument span.

span.(JTft)Y (351)"

1 18.5 17.18 1.67 >18.5% %f >17.8%Aof Start Turbine-Driven Pump

2. **rr " "*" i"""** "*"

(2/< S)* ('fr * ') ^ instrument instrument

  • V* Y" ! S * 'Y InSiY: N e p rei,//e d g j, fe ,. ,,,,f,. ,/,/,j,, f(g l l ,5 J/,] _ jg a,a,as aaa,,_n.a;a u_a an,a, w w ,u.,_,c .
n .

.3  :

er TABLE 2.2-1 (Continued) 8 REACTOR TRIP SYSTEM INSTRUMENTATION TRIP SETPOINTS

_C' EN 101AL SENSOR c= ALLOWANCE ERROR se (S) TRIP SETPOINT ALLOWA8LE VALUE FUNCTIONAL UNIT (TA) ,Z.

l

(( 21950 psig

' 3.1 0.71 1.67 21960 psig**

9. Prestsrizer Pressure-tow

"' (Pi -0455A,0&C, PI-0456 &

    • PI-0456A, PI-0451 & PI-0457A,

"* PI-0458 & PI-0458A) 0.71 1.67 $2385 psig 12395 psig

10. Pressurizer Pressure-High 3.1 (PI-0455A,8&C, PI-0456 &

PI-0456A, PI-0457 & PI-0457A, PI-0458 & PI-0458A)

Pressurizer Water Level-High 8.0 2.18 1.67 192% of instrument $93.9% of instrument

11. span span f (LI-0459A, LI-0460A, LI-0461) 1.87 0.60 290% of loop 289.4% of loop
12. Reactor Coolant flow-Low 2.5 design flow
  • design flew
  • LOOP 2 LOOP 3 LOOP 4 (LOOP 1 S# FI-0414 FI-0424 FI-0434 FI-0444 FI-0415 FI-0425 FI-0435 FI-0445 FI-0416 FI-0426 FI-0436 FI-0446) 18.5 17.18 1.67 218.5% (37.8)*** 217.00-(35.9)***
13. Steam Generator Water Level of narrow range of narrow range Low-Low (21.8)*** (18.21)*** instrument span instrument span LOOP 2 LOOP 3 LOOP 4 (LOOP 1 LI-0517 LI-0527 LI-0537 LI-0547 LI-0518 LI-0528 LI-0538 LI-0548 L I-0519 LI-0529 LI-0539 LI-0549 LI-0551 LI-0552 LI-0553 LI-0554) 6.0 0.58 0 29600 volts 29481 volts
14. Undervoltage - Reactor (70% bus voltage) (69% bus voltage)

Coolant Pumps 3.3 0.50 0 257.3 Hz 257.1 Hz

15. Underfrequency - Reactor Coolant Pumps
  • Loop design flow = 95,700 gpm
    • Iime constants utilized in the lead-lag controller for Pressurizer Pressure-Low are 10 seconds for lead and 1 second- for lag. CHANNFL CALIBRATIDN shall ensure that these time constants are adjusted to these values.
      • The val.se stated inside the parenthesis is for instrumentation that has the-lower tap at elevation 333";

the value stated outside the parenthesis 'is for instrumentation that has the lower tap at elevation 438".

~'

-?

i- ,,.

' TABLE _?.3-3 (Continuedl - ...

" =j .

5 * -

ca 140 ENGINEERED SAFETY FEATURES ACTUAT10N SYSTEM INSTRUMENIATION 1 RIP SEIPOINTS 10iAL S[N50R c= ERROR . .

ALLOWANCE man,

' 2:

(5) _ TRIP SEfPOINT AltDWABLE VAtUE (TA) Z fkFUNCTIONALUNil

5. lurbine trip and Feedwater Isolation (Continued) e 1.67 $79.9% (87.9)*

5.1 2.18 $78.0% (86.0)* of of narrow range ro c. Steam Generator Water (8.62)* instrument Level--High-High (P-14) (14.0)* span. Instrument span.

LOOP 2 LOOP 3 LOOP 4 (LOOP 1 11-0517 L1-0527 LI-0537 LI-0547 L1 -0516 LI-0528 LI-0538 LI-0548 LI-0519 LI-0529 LI-0539 LI-0549 LI-055 LI-0552 .LI-0553 L1-0554)

Safety Injection See f unctional Unit I above f or all Safety injection trip

d. Setpoints and Allowable Values.

N#* 6. Auxiliary f eedwater w N.A. N.A. N.A. N.A.

a. Automatic Actuation Logic N.A.

da

"" and Actuation Relays

b. Steam Generator Water Level--

Low-Low LOOP 2 LOOP 3 LOOP 4 (LOOP 1 LI-0517 L I -052 7 LI-0537 LI-0547 LI-0518 LI-0528 LI-0538 LI-0548 L 1 -0519 LI-0529 LI-0539 LI-0549 L1-0551 LI-0552 LI-0553 LI-0554)

Star'. Motor-Driven Pumps 18.5 17.18 1.67 218.5% (37.8)* of 217.8% {35.9)* of

1. narrow range narrow range (21.8)* (18.21)* instrument span.

instrument span.

Sta-t Turbine-Oriven Pump 18.5 17.18 1.67 .218.5% (37.8)* of' 317.8% (35.9)* of

2. narrow range narrow range -

(21.8)* (18.21)* instrument instrument span. span.

  • The value stated inside the parenthesis is for instrumentation that has the lower tap at elevation 333"; the value stated outside the parenthesis is for instrumentation that has~ the lower tap at elevation 438*.

t =- ___ . . .

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