ML20214L301

Proposed Tech Specs,Providing Actual Instrument Numbers & Revised Calibr Requirements for Reactor Vessel Shroud Instrumentation Input

ML20214L301
Person / Time
Site:	Vermont Yankee
Issue date:	08/26/1986
From:	VERMONT YANKEE NUCLEAR POWER CORP.
To:
Shared Package
ML20214L296	List: ML20214L293 ML20214L301
References
NUDOCS 8609100067
Download: ML20214L301 (12)

Text

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VYNPS TABLE 3.2.1 EMERGENCY CORE COOLING SYSTEM ACTUATION INSTRUEENTATION Core Spray - A & B (Note 1)

Minimum Number of Operable Instrument Required Action When Minimum

~

Channels per Trip Conditions for Operation are System Trio Function Trip Level Setting Not Satisfied 2 High Drywell Pressure 12.5 psig Note 2 2 Low-Low Reactor Vessel Water >82.5** above top of Note 2 Level enriched fuel 1 Low Reactor Pressure 300 $ P 1 350 psig Note 2 (PT-2-3-56C/D(SI))

2 Low Reactor Pressure 300 1 P 1 350 psig Note 2 (PT-2-3-56A/B(SI) & 52C/D(M))

1 Time Delay (14A-K16A & L) 110 seconds Note 2 2 Pump 14-1A, Discharge Pressure 1100 psig Note 5 1 Auxiliary Power Monitor - Note 5 1 Pump Bus Power Monitor - Note 5 1 High Sparger Pressure 15 psig Note 5 1 Trip System Logic - Note 5 AmendmenL No. AA, 68 35 8609100067 860826 PDR ADOCK 05000271 PDR

VYNPS TABLE 3.2.1 (Cont)

EMERGENCY CORE COOLING SYSTEM ACTUATION INSTRUMENTATION Low Pressure Coolant Injection System A & B (Note 1)

Dinimum Number of ,

Operable Instrument Required Action When Minimum Channels per Trip Conditions for Operation are System Trio Function Trio Level Setting Not Satisfied 1 Low Reactor Pressure 300 1 p 1 350 psig Note 2 (PT-2-3-56C/D(SI)) l 2 High Drywell Pressure 12.5 psig Note 2 (PT-10-101A-D(M))

l 2 Low-Low Reactor Vessel Water >82.5" above top of Note 2 Level enriched fuel 1 Time Delay (10A-K51A & B) O seconds Note 5 1 Reactor Vessel Shroud Level >2/3 core height Note 5 1 Time Delay (10A-K72A & B) 160 seconds Note 5 1 Time Delay (10A-K50A & B) 15 seconds Note 5 1 Low Reactor Pressure 100 g p 5 150 psig Note 2 (PS-2-128A & B) 2 per pump RHR Pump A & C Discharge Pressure >100 psig Note 5 2 High Drywell Pressure $2.5 psig Note 2 (PT-10-101A-D(SI))

Amendment No. Ag. 68 36

VYMPS TABLE 3.2.1 (Cont)

EMERGENCY CORE COOLING SYSTEM ACTUATION INSTRUMENTATION Low Pressure Coolant Iniection System A & B (Note 1)

Cinimum Number of Operable Instrument Required Action then Min'inum Channels per Trip Conditions for Operation are System Trio Function Trio Level Settina Mot Satisfied 1 Time Delay (10A-K45A & B) 16 minutes Note 5 2 Low Reactor Pressure 300 s y 5 350 psig Note 2 (PT-2-3-56A/B(SI) & 52C/D(M))

1 Auxiliary Power Monitor - Note 5 1 Pump Bus Power Monitor - Note 5 1 Trip System Logic - Note 5 Amendment No. 22 37

VYMPS TABLE 4.2.1 MINIIERE TEST AND CALIBRATION FREOUENCIES EMERGENCY CORE COOLING ACTUATION INSTRUMENTATION Core Spray System Trio Function Functional Test (8) Calibration (8) Instrument Check Cigh Drywell Pressure (Note 1) Once/ Operating Cycle Once Each Day Low-Low Reactor Vessel (Note 1) Once/ Operating Cycle Once Each Day Water Level Low Reactor Pressure (Note 1) Once/ Operating Cycle -

(PT-2-3-56C/D(SI))

Low Reactor Pressure (Note 1) Once/ Operating Cycle (PT-2-3-56A/B(SI) & 52C/D(M)))

Pump 14-1A, Discharge Pressure (Note 1) Every 3 Months -

Auxiliary Power Monitor (Note 1) Every Refueling Once Each Day Pump Bus Power Monitor (Note 1) None Once Each Day High Sparger Pressure (Note 1) Every 3 Months Trip System Logic Except Every 6 Months Every 6 Months -

Relays 14A-K11A (Note 3) l 14A-K11B 14A-K191 14A-K19B Amendment No. 33, 76 50 u

1 VYWPS TABLE 4.2.1 (continued)

Low Pressure Coolant Injection System Trip Function Function Test (8) Calibration (8) Instrument Check Low Reactor Pressure (Note 1) Once/ Operating Cycle --

(PT-2-3-56C/D(SI)) l High Drywell Pressure (Note 1) Once/ Operating Cycle Once Each Day (PT-lO-101A-D(M)) l Low-Low Reactor Vessel Water Level (Note 1) Once/ Operating Cycle Once Each Day Reactor Vessel Shroud Level (Note 1) Once/ Operating Cycle  !

Low Reactor Pressure (Note 1) Every 3 months (PT-2-128A/B)

RHR Pump Discharge Pressure (Note 1) Every 3 Months ---

High Drywell Pressure (Note 1) Once/ Operating Cycle (PT-10-101A-D(SI))

Low Reactor Pressure (Note 1) Once/ Operating Cycle (PT-2-56A/B (SI) & 52C/D(M))

Auxiliary Power Monitor (Note 1) Every Refueling Outage Once Each Day Pump Bus Power Monitor (Note 1) None Once Rach Day LPCI Crosstie Monitor Wone None Once Each Day' Trip System Logic Every 6 Months Every 6 Months (Note 3) l Amendment No. 58, M, 90 51

f I

VYMPS TABLE 4.2.1 (Cont)

I Minh Pressure Coolant Injection Systes Functional Test (8) Calibration (8) Instrument Check I Trio Function 1,

Once Each Day (Note 1) Once/ Operating Cycle

! Low-Loer Beactor Vessel Water Level ..

Loer Condensate Storage Tank (Note 1) Every 3 Months i

i Water Level l Once/ Operating Cycle Once Each Day j High Drywell Pressure (Note 1) i None Once Each Day (Note 1) i Bus Power Monitor j

Every 6 Months Every 6 Months

! Trip System Logic (Note 3) 1 .

l l

.l l

1 1

1 d

i 52 Ammadmant No. 58, 78, 85

VYMPS i

TABLE 4.2.2 (Cont) i MINIMUM TEST AND CALIBRATION FREQUENCIES HIGH PRESSURE COOLANT INJECTION SYSTEM ISOLATION INSTRUMENTATION Trio Function Functional Test (8) Calibration (8) Instnament Check .

Dish Reactor Water Level (Note 1) Once/ Operating Cycle -

t High steam Line Space Temperature (Note 1) Each Refueling Outage -

High Steam Line d/p (Steam (Note 1) Every 3 Months l Line Break) l

} Low MPCI Steam Supply Pressure (Note 1) Every 3 Months -

)

Main Steam Line Tunnel Temperature (Note 1) Each Refueling Outage 1

Bus Power Monitor (Note 1) None Once Each Day j

Trip System Logic Every 6 Months Every 6 Months -

l j

(Note 3)

L Amendment No. 58 55 i

i

\

VYMPS l TABLE 4.2.2 (Cont)

MINIIEAt TEST AND CALIBRATION FREOUENCIES REACTOR CORE ISOLATION COOLING SYSTEN ISOLATION INSTRUMENTATION 1

l Trio Function Functional Test (8) Calibration (8) Instrument Check .

Main Steam Line Tunnel Temperature (Note 1) Each Refueling Outage l

l Mich Steam Line Space Temperature (Note 1) Each Refueling Outage -

l i High Steam Line d/p including Time Delay Relays (Steam Line Break) (Note 1) Every 3 Months -

l

]

High Reactor Water Level (Note 1) Once/ Operating Cycle -

Loer RCIC Steam Supply Pra : aura (Note 1) Every 3 Months i

Bua Power Monitor (Note 1) None Once Each Day

]' Trip System Logic Every 6 Months Every 6 Months (Note 3) l 1

(

i i

4 Amendment No. SS. 69 56 l

I VYMPS 1

1 TABLE 4.2.3 ,

l t

! MINIIENE TEST AND CALIBRATION FREQUENCIES M A N R BUILDING VENTILATION AND STANLEY GAS TREATHENT SYSTEM ISOLATION I

Trio Function Functional Test (8) Calibration (8) Instrument Check .

l Low Reactor Vessel niater Level (Note 1) Once/ Operating Cycle High Drywell Pressure (Note 1) Once/ Operating Cycle -

Reactor Building Vent Exhaust Monthly Every 3 Months once Each Day i Radiation Refueling Floor Zone Radiation Monthly Every 3 Months Once Each Day i

During Refueling Reactor Building Vent Trip Every 6 Months Every 6 Months -

System Logic (Note 3) i 1

1 l Standby Gas Treatment Trip Every 6 Months Every 6 Months i System Logic (Note 3) i a Logic Bus Power Monitor (Note 1) None Once Each Day l

l 1

I I  !

l Amendment 30. 55, 76 57

VYMPS TABLE 4.2.5 MINIMUM TEST AND CALIBRATION FREQUENCIES CONTROL ROD BLOCK INSTRUMENTATION Trio Function Functional Test Calibration Startup Range Monitor

a. Upscale Notes 4 and 6 Note 6

b. Detector not fully inserted Note 6 Note 6 Intermediate Range Monitor

a. Upscale Notes 4 and 6 Note 6

b. Downscale Notes 4 and 6 Note 6

c. Detector not fully inserted Note 6 Note 6 Avsrage Power Range Monitor

o. Upscale (Flow Bias) Notes 1 and 4 Every 3 Months

b. Downscale Notes 1 and 4 Every 3 Months Rod Block Monitor

c. Upscale (Flow Blas) Notes 1 and 4 Every 3 Months

b. Downscale Notes 1 and 4 Every 3 Months Trip System Logic Every 6 Months Every 6 Months (Note 3)

High Water Level in Scram Every 3 Months Refueling Outage Diccharge Volume Amendment No. 59

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