ML20097J389

Proposed Tech Specs Re Proposed Mods to Automatic Depressurization Sys to Conform to NUREG-0737,Item II.K.3.18 Requirements

ML20097J389
Person / Time
Site:	Peach Bottom
Issue date:	09/19/1984
From:	PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:
Shared Package
ML20097J377	List: ML20097J373 ML20097J381 ML20097J389
References
RTR-NUREG-0737, RTR-NUREG-737, TASK-2.K.3.18, TASK-TM NUDOCS 8409210225
Download: ML20097J389 (2)

Text

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l LOW WATER LEVEL

.NIGN ORYWELL PRESSURE (LEVEL 1)

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4 _ _ _ _. - s g t i

i SEAL l

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-7 iN l

BYPASS TIMER l

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{ - M (NOMINAL SETTING l

LOW WATER b _ G NINUTES)j LEVEL (LEVEL 1) l CONFlRM WATER LEVEL 13 BELOW LEVEL 1 105-3 ECONO ACTUATION TIMER *

(

LOW PRESSURE l

ECCS PUNPS RUNNING

• 105 SECONO. ACTUATION TIMER WILL I

RESET IF REACTOR' WATER LEVEL

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"7 RECOVERS A80VE TRlP ELEVATION

,BEFORE IT TIMES OUT.

THE TIMER l N ANU AL INN 181T l WILL RESTART IF THE' LOW REACTOR l

NOT ACTIVATD l NATER LEVEL SIGNAL' 0CCURS AGAIN.

L_

_ _J NOTE:

BROKEN LINES OEPICT'A00lfl0NAL CONTROL LOGIC FEATURES ASSOCIATE 0 AOS WITH PROP 03E0 NG0lFICATION.

!ACTU ATION FIGURE 1 ADS LOGIC N00lFICATl0N NUREG 0737 l TEN II.K.3.18

PEACH BOTTON ATONIC. POWER STATION 8409210225 840919 DR ADOCK 05000

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TABLE 3.2.D l

INSTRUMENTATION THAT INITIATES OR CONTROLS THE CORE AND CONTAINMENT

. i* ', ' '

COOLING SYSTEMS Minimum No.

4 Of Operable Number of Instru-1 Inntrument Trip Function Trip Level Setting ment Channels Pro Remarks Chrnnels Per vided by Design.

Trip System (1) 2 Core Spray Pump 6 +/- 1 sec 4 timers In conjunction with loss Start Timer 10 +/- 1 sec 4 timers of power initiates the starting of CSCS pumps.

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2 LPCI Pump Start Timer 5 +/- 1 sec 4 timers j

(Two Pumps)

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1 ADS Actuation Timer 90 </= t </= 120 2 timers In conjunction with l

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seconds Low Reactor Water Level, i

High Drywell Pressure

!i and LPCI or Core Spray Pump-running interlock, I

initiates ADS.

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2 ADS Bypass Timer

• 8 </= t </= 10 4 timers In conjunction with j

minutes low reactor water level, i

bypasses high drywell pressure initiation of ADS.

2 RHR (LPCI) Pump 50 +/- 10 psig 4 channels Defers ADS actuation pending confirmation of Discharge Pressure Interlock Low Pressure Core Cooling l

system operation (LPCI Pump running

i interlock).

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2 Core Spray Pump 185 +/- 10 psig 4 channels Defers ADS actuation i

Discharge Pressure pending confirmation of j

Interlock Low Pressure Core cooling i

system operation (Core Spray Pump running interlock).

• Effective when modification associated with this amendment request is complete.

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