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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.. 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 900529 DR ADOCK 05000424 PDC

o V

.x TABLE 2.2-1 (Continued)

..s

,g REACTOR TRIP SYSTEM INSTRUMENTATION TRIP SETPOINTS y

TOTAL SENSOR m

g ALLOWANCE ERROR 3

(TA)

Z (5)

TRIP SETPOINT ALLOWABLE VALUE FUNCTIONAL UNIT 9.

Pressurizer Pressure-low 3.1 0.71 1.67

>1960 psig**

>1950 psig (PI-0455A,B&C, PI-0456 &

e PI-0456A, PI-0457 & PI-0457A, ro PI-0458 & PI-0458A) 10.

Pressurizer Pressure-High 3.1 0.71 1.67

<2385 psig

<2395 psig (PI-0455A,B&C, PI-0456 &

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

PI-0458 & PI-0458A) 11.

Pressurizer Water Level-High 8.0 2.18 1.67

<92% of instrument

<93.9% of instrument span span (LI-0459A, LI-0460A, LI-0461) ry 12.

Reactor Coolant Flow-Low 2.5 1.87 0.60

>90% of loop

>89.4% of loop

~ design flow

  • design flow *

(LOOP 1 LOOP 2 LOOP 3 LOOP 4 m

FI-0414 FI-0424 FI-0434 FI-0444 FI-0416 FI-0426 FI-0436 FI-0446)

~

(.77,6),,,

(JL 7) a,#

FI-0415 FI-0425 FI-0435 FI-0445

13. Steam Generator Water Level 18.5 17.18 "1.67

>18.5%$fnarrow

>17.8% of narrow (21.8)

(16.p/)

range instrument range instrument Low-Low span span J

(LOOP 1 LOOP 2 LOOP 3 LOOP 4 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) 6.0 0.58 0

>9600 volts

>9481 volts 14.

Undervoltage - Reactor

{70% bus voltage)

T69% bus voltage)

Coolant Pumps 3.3 0.50 0

>57.3 Hz

>57.1 Hz 15.

Underfrequency - Reactor Coolant Pumps

    • Time constants utilized in the lead-lag controller for Pressurizer Pressure-Low are 10 seconds for lead and
  • Loop design flow = 95,700_gpm CHANNEL CALIBRATION shall ensure that these time constants are adjusted to these values.

1 second for lag.

  • w *TAe vala r enled insi/e the parea/An,s is for l,s/maed do*n 1/af Jag: fle lower fay af af,,f;,,,33,

si n e vals r stated outs,le d e,,,,,ge,,,

,, ;;,,,,,taa,,,,at,&,, thf 4,y de kwer..fg.c f,,,f,,, 4,gf',

a I

1

+-

p

y..

m

~ * ; o. --

y iJ TA8LE 3.3-3 (Continued)

,o h

ENGINEERED SAFETY FEATURES ACTUATION SYSTEM INSTRUMENTATION TRIP SETPOINTS TOTAL SENSOR

[

ALLOWANCE ERROR (TA)

Z (S)

TRIP SETPOINT ALLOWABLE VALUE-z, g FUNCTIONAL UNIT 5.

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

(Continued)

~

c.

Steam Generator Water 5.1..

2.18 1.67

<78.0% of

<79.9%^of narrow

[

Instrument range instrument Level--High-High (P-14) 04.07 (y,gfy*

span.

span.

(LOOP 1 LOOP 2 LOOP 3 LOOP 4 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)

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

Safety Injection Setpoints and Allowable Values.

y 2

y 6.

Auxiliary Feedwater a.

Automatic Actuation Logic N.A.

N.A.

N.A.

N.A.

N.A.

.and Actuation Relays b.

Steam Generator Water Level--

Low-Low (LOOP 1 LOOP 2 LOOP 3

-LOOP 4 LI-0517 LI-0527 LI-0537 LI-0547 LI-0518 LI-0528 LI-0538 LI-0548 (JF, 9,) p' LI-0519 LI-0529 LI-0539 LI-0549 f

LI-0551 LI-0552 LI-0553 LI-0554)

(yy,rj 4

1.

Start Motor-Driven Pumps 18.5 17.18 1.67

>18.5%'of-

.>17.8% of (z t. 8)*

(f y,1fy' Harrow range Warrow range instrument instrument span.

span.(JTft)Y (351)"

1 2.

Start Turbine-Driven Pump 18.5 17.18 1.67

>18.5% %f

>17.8%Aof (2/< S)*

('fr * ') ^

    • rr " "*"

i"""** "*"

instrument instrument V* Y" !

  • 'Y InSiY: N e p rei,//e d g j, fe,.,,,,f,.,/,/,j,, f(g l l,5 J/,]

_ jg S

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 (TA)

,Z.

(S)

TRIP SETPOINT ALLOWA8LE VALUE se

((

FUNCTIONAL UNIT l

9.

Prestsrizer Pressure-tow 3.1 0.71 1.67 21960 psig**

21950 psig (Pi -0455A,0&C, PI-0456 &

PI-0456A, PI-0451 & PI-0457A, PI-0458 & PI-0458A) 10.

Pressurizer Pressure-High 3.1 0.71 1.67

$2385 psig 12395 psig (PI-0455A,8&C, PI-0456 &

PI-0456A, PI-0457 & PI-0457A, PI-0458 & PI-0458A) 11.

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

(LI-0459A, LI-0460A, LI-0461) 12.

Reactor Coolant flow-Low 2.5 1.87 0.60 290% of loop 289.4% of loop design flow

  • design flew *

(LOOP 1 LOOP 2 LOOP 3 LOOP 4 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) 13.

Steam Generator Water Level 18.5 17.18 1.67 218.5% (37.8)***

217.00-(35.9)***

Low-Low (21.8)***

(18.21)***

of narrow range of narrow range instrument span instrument span (LOOP 1 LOOP 2 LOOP 3 LOOP 4 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 15.

Underfrequency - Reactor 3.3 0.50 0

257.3 Hz 257.1 Hz 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 CHANNFL CALIBRATIDN shall ensure that these time constants are adjusted to these values.

1 second-for lag.

      • 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".

-?

~'

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

" =j 5

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

ALLOWANCE ERROR (TA)

Z (5) _

TRIP SEfPOINT AltDWABLE VAtUE

man,

' 2:

fkFUNCTIONALUNil 5.

lurbine trip and Feedwater Isolation (Continued) 5.1 2.18 1.67

$78.0% (86.0)* of

$79.9% (87.9)*

e ro c.

Steam Generator Water Level--High-High (P-14)

(14.0)*

(8.62)*

instrument of narrow range Instrument span.

span.

(LOOP 1 LOOP 2 LOOP 3 LOOP 4 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)

See f unctional Unit I above f or all Safety injection trip d.

Safety Injection Setpoints and Allowable Values.

N 6.

Auxiliary f eedwater Automatic Actuation Logic N.A.

N.A.

N.A.

N.A.

N.A.

w da a.

and Actuation Relays b.

Steam Generator Water Level--

Low-Low (LOOP 1 LOOP 2 LOOP 3 LOOP 4 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) 1.

Star'. Motor-Driven Pumps 18.5 17.18 1.67 218.5% (37.8)* of 217.8% {35.9)* of (21.8)*

(18.21)*

narrow range narrow range instrument instrument span.

span.

2.

Sta-t Turbine-Oriven Pump 18.5 17.18 1.67

.218.5% (37.8)* of' 317.8% (35.9)* of (21.8)*

(18.21)*

narrow range narrow range -

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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