ML20011E743

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Proposed Tech Specs,Refining Min Acceptance Criteria for HPSI Pump Surveillance Requirements
ML20011E743
Person / Time
Site: Waterford Entergy icon.png
Issue date: 02/12/1990
From:
LOUISIANA POWER & LIGHT CO.
To:
Shared Package
ML20011E742 List:
References
NUDOCS 9002220364
Download: ML20011E743 (5)
v • d • e


Text

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                -EMERGENCY CORE COOLING SYSTEMS
       .'        SURVEILLANCE REQUIREMENTS (Continued) s
2. A' visual inspection of-the safety injection system sump and verifying that the subsystem suction inlets are not restricted by debris and that the sump components (trash racks, screens, ,

etc.) show no evidence of structural distress or corrosion.

3. Verifying that a minimum total of 97.5 cubi: feet of solid trisodium phosphate dodecahydrate (TSP) is contained within the TSP storage baskets.
4. Verifying that when a representative sample of 4
  • 0.01 grams '

of TSP from a TSP storage basket is submerged, without agitation, t in 4 1 0.1 liters of 120 + 10 'F water borated within RWSP boron concentration limits, the pH of the mixed solution is raised to. greater than or equal to 7 within 3 hours.

e. At least once per 18 months, during shutdown, by: l_
1. Verifying that each automatic valve in the flow path actuates to its correct position on SIAS and RAS test signals.
2. Verifying that each of the followin'g pumps st' art automatically upon receipt of a safety injection actuation test signal:

[ ,

a. High pressure safety injection. pump.
b. Low pressure safety injection pump.
3. Verifying that.on a recirculation actuation test signal, the low pressure safety injection pumps stop, the safety. injection system sump isolation valves open.
f. By verifying that each of the following pumps required to be OPERABLE performs as indicated on recirculation flow when tested pursuant to Specification 4.0.5r: ,
1. High pressure safety injection pumps develop a total head of greater than or equal to 1400 psid for pump A,1431 psid for pump B and 1429 psid for pump A/B. '
2. Low pressure safety injection pump discharge pressure greater than or equal to 177 psig.

p i WATERFORD - UNIT 3 3/4 5-5 AMEN 0 MENT NO. 8 9002220364 900212 

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   \J             EMERGENCY CORE COOLING SYSTEMS

( . SURVEILLANCE REQUIREMENTS (Continued) t

g. By- verifying the correct position of each electrical and/or mechanical I position stop for the following ECCS throttle valves by verifying that )

each ECCS throttle valve opens to the proper throttled position each  ; time the valve is cycled:  : HPSI System LPSI System Valve Number Valve Number .

a. SI-225A e.- SI-227A a. SI-138A
b. 51-2258 f. 51-2278 b. SI-1388
c. SI-226A g. SI-228A c. SI-139A
d. 51-2268 h. SI-228B d. SI-1398
h. By performing a flow balance test, during shutdown, following completion of modifications to the ECCS subsystems that alter the subsystem flow characteristics,and verifying the following flow characteristics:

HPSI Sygiem - Single Pump (Cold leg injection mode) The sum of the injection lines flow rates, excluding the" highest flow ( rate, is greater than or equal to 658 gpm for HPSI Pump A running, - 665 gpm for HPSI Pump B running, and 650 gpm for HPSI Pump A/B running, with a maximum differential pressure of less than or equal to S28 psid for HPSI Pump A, 472 psid for HPSI Pump B, and 489 psid for HPSI

  • Pump A/8. ,

l HPSI SYSTEM - Single Pump (Hot / cold leg injection mode) With the system operating in the hot / cold leg injection mode, the hot leg flow must be greater than or equal to 436 gpm and within - 1 10% of the cold leg flow. 1 LPSI System - Sincie Pump ' Flow for each pump is greater than or equal to 4810 with the total  : developed head greater than or equal to 268 feet but less than or I equal to 292 feet. 1, i l WATERFORD - UNIT 3 3/4 5-6 

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EMERGENCY CORE COOLING-SYSTEMS (," ' SURVEILLANCE REQUIREMENTS (Continued) ' 

                                                                                                                                                                                     -i
                                                                                                                                                                                     -j 2.. A visual inspection of the safety injection system sump and                                                                                      '

verifying that the subsystem suction inlets are not restricted - by debris and that the sump components (trash racks, screens, etc.) show no evidence of structural distress or corrosion.

3. Verifying that a minimum total of 97.5 cubic feet.of solid '

trisodium phosphate dodecahydrate (TSP) is contained within the TSP storage baskets. S 4. Verifying that when a representative sample of 4

  • 0.01 grams of TSP from a TSP storage basket is submerged, without agitation, in 4 1 0.1 liters of 120 + 10 'F water borated within RWSP boron concentration limits, the pH of the mixed solution is raised to. greater than or equal to 7 within 3 hours.
e. At least once per 18 months, during shutdown, by: l '
1. Verifying _that each automatic valve in the flow path actuates to its correct position on SIAS and RAS test signals. ,

2. Verifying that each of the followin'g pumps st' art automatically ( upon receipt of a safety injection actuation test signal: ( l- ,

a. High pressure safety injection. pump.
b. Low pressure safety injection pump.
3. Verifying that on a recirculation actuation test signal, the '

low pressure safety injection pumps stop, the safety injection system sump isolation valves open,

f. By verifying that each of the following pumps required to be OPERABLE performs as indicated on recirculation flow when tested pursuant to Specification 4.0.&:

pp DIFFE r22:nTt A L. PcG5StD2.6

1. High pressure safety injection , , _ _ _ . . . , . . ... --__ ..

gr.gater than~or equal to .... ,... ... , ,.., _.. 

                                 ;"- a rd 1429 psid . . ,           ,_     __

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2. Low pressure safety injection pump discharge pressure greater than or equal to 177 psig.

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                                                                                                                                                                                     -l L

l WATERFORD - UNIT 3 3/4 5-5 AMEN 0 MENT NO. 8 L 

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                 ,-    9 EMERGENCY CORE COOLING SYSTEMS' (7
                         $URVE2LLANCE REQUIREMENTS (Continued) t
g. By verifying the correct position of each electrical and/or mechanical '

position stop for the following ECCS throttle valves by verifying that each ECCS throttle valve opens to the proper throttled position each time the valve is cycled: HPSI System LPSI System Valve Number Valve Number .

a. SI-225A e. SI-227A a. SI-138A  :
b. 51-2258 f. 51-2278 b. SI-1388
c. 51-226A g. SI-228A c. SI-139A
d. 51-2268 h. 51-2288 d. SI-1398
h. By performing a flow balance test, during shutdown, following completion of modifications to the ECCS subsystems that alter the subsystem flow characteristics, and verifying the following flow characteristics: t HPSI Syster - Sincie Pump (Cold leo in.iection mode)
  • I The sum of the injection lines flow rates, excluding the " highest flow l rate, is greater than-or equal to 55" ;;: ': "" ! " ; ^ run 'n;, 675 GPM, '

5f 5 ;;- fer ""S! " -- " run-'n;, nd 550 ;;: "Or ""!! " ; ?./" rur 'n;, i 

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HPSI SYSTEM - Sincie Pump (Hot / cold leo in.iection mode) With t'he system operating in th hot / cold leg injection mode, the -t hot leg flow must be greater than or equal to 436 gpa and within

  • 105 of the cold leg flow. -

LPSI System - Single Pump Flow for each pump is greater than or equal to 4810 with the total developed. head greater than or equal to 268 feet but less than or . equal to 292 feet. I. WATERFORD - UNIT 3 3/4 5-6 l . . l l_ _ _ = - - _ - _ - - - _ _ _ - - - - _ - _ - - -- - -- -}}

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