ML20069B467

Proposed TS Tables 3.2.1, ECCS Actuation Instrumentation & 4.2.1, Min Test & Calibr Frequencies ECC Actuation Instrumentation

ML20069B467
Person / Time
Site:	Vermont Yankee File:NorthStar Vermont Yankee icon.png
Issue date:	05/20/1994
From:	VERMONT YANKEE NUCLEAR POWER CORP.
To:
Shared Package
ML20069B466	List: ML20069B463 ML20069B467
References
NUDOCS 9405270231
Download: ML20069B467 (2)

Text

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VYNPS True TABLE 3.2.1 E$

EMERGENCY CORE COOLING SYSTEM ACTUATION INSTRUMENTATION 88 '

Eni

^" Core-Spray - A & B (Note 1) o,o

$$ Minimum Number of Required Action When 3,gg Operable Instrument Minimum Conditions enco Channels per Trip for Operation "d System Trio Function Trio level Settina Are Not Satisfied 2 High Drywell Pressure 12.5 psig Note 2 2 Low-Low Reactor Vessel Water 182.5" above top of Note 2 Level enriched fuel 1 Low Reactor Pressure 300 < P < 350 psig- Note 2 (PT-2-3-56C/D(S1))

2 Low Reactor Pressure 300 < P < 350 psig Note 2 (PT-2-3-56A/B(S1) & 52C/D(M))

1 Time Delay (14A-K16A & B) 110 seconds Note 2 2 Pump (P-46-1A/B). Discharge 1100 psig Note 5 Pressure 1 Auxiliary Power Monitor --

Note 5 1 Pump Bus Power Monitor --

Note 5 1 Trip System Logic --

Note 5 Amendment No. 44, 60, 140, ist 35

VYNPS .

2 ..t TABLE 4.2.1 -

MINIMUM TEST AND CALIBRATION FRE00ENCIES' EMERGENCY CORE COOLING ACTUATION INSTRUMENTATION-e Core Spray System Trio Function Functional Test (8) Calibration (8) ,4 Instrument Check'

'High Drywell Pressure (Note 1) Once/ Operating Cycle- Once Each Day Low-Low Reactor Vessel- (Note 1) Once/ Operating Cycle OncelEach Day ,

Water-Level.

Low Reactor-Pressure (Note 1) Once/ Operating Cycle- --

(PT-2-3-56C/D(SI)) t Low Reactor Pressure (Note 1) .0nce/ Operating Cycle --

(PT-2-3-56A/B(S1) &

52C/D(M))

Pump (P-46-1A/B), (Note'1) Every Three Months --

Discharge Pressure Auxiliary Power Monitor (Note '1). Every Refueling Once Each Day Pump: Bus Power Monitor (Note 1) None Once Each-Day

-Trio System. Logic Once/ Operating Cycle Once/ Operating Cycle --

(Note 3)

Amendment No. 50. M. W6. H6 50

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