ML20134C123

Proposed Change 85-10 to Tech Spec Table 3.1.1, Reactor Protection Sys (Scram) Instrumentation Requirement

ML20134C123
Person / Time
Site:	Pilgrim
Issue date:	08/09/1985
From:	BOSTON EDISON CO.
To:
Shared Package
ML20134C105	List: BECO-85-147, Application for Amend (Proposed Change 85-10) to License DPR-35,revising Tech Spec Table 3.1.1, Reactor Protection Sys (Scram) Instrumentation Requirement. Fee Paid ML20134C123
References
NUDOCS 8508160213
Download: ML20134C123 (1)

Text

c TABLE 3.1.1 REACTOR PROTECTION SYSTEM (SCRAM) INSTRUMENTATION REQUIREMENT Minimum Number Modes in Which.Fbnction

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Operable Inst.

Trip Function

. Trip Level Setting Must Be Operable Action)

Channels per Refuel (7) Startup/ Hot Ran Trip (1) System Standby 1

Mode Switch in Shutdown X

X X

A 1

Manual Scram X

X X

A IRM 3

High Flux 1120/125 of full scale X

X (5)

A 3

Inoperative X

X (5)

A APRM 2

High Flux (14) (15)

(17)

(17)

X A or B 2

Inoperative (13)

X X(9)

X A or B l

2 Downscale 22.5 Indicated on Scale (11)

(11)

X(12)

A or B 2

High Flux (15%)

115% of Design Power X

X (16)

A or B 2

High Reactor Pressure 1 085 psig X(10)

X X

A 1

2 High Drywell Pressure 1 5 psig X(8)

X(8)

X A

2 2

Reactor Low Hater Level 29 In. Indicated Level X

X X

A 2

High Water Level in Scram Discharge Tank 139 Gallons X(2)

X X

A 2

Turbine Condenser Low Vacuum 223 In. Hg Vacuum X(3)

'X(3)

X A or C 2

Main Steam Line High 1 X Normal Full Power 7

Radiation Background (18)

X X

X(18)

A or C 4

Main Steam Line Isolation Valve Closure 110% Valve Closure X(3)(6)

X(3)(6)

X(6)

A or C 2

Turb. Cont. Valve Fast 2150 psig Control Oil Closure Pressure at Acceleration Relay X(4)

X(4)

X(4)

A or D 4

Turbine Stop Valve Closure 110% Valve Closure X(4)

X(4)

X(4)

A or D

• APRM high flux scram setpoint 1(.58W + 62%)

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Two recirc. pump operation FRP MFLPD l[

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293'

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27 Amendment No.

P PDR,

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