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

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TABLE 3.1.1 REACTOR PROTECTION SYSTEM (SCRAM) INSTRUMENTATION REQUIREMENT *

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Minimum Number Modes in Which.Fbnction 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 1085 psig X(10) X X A 2 High Drywell Pressure 12 5 psig X(8) X(8) X A 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 17X Normal Full Power 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

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• APRM high flux scram setpoint 1(.58W + 62%) FRP Two recirc. pump operation

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Amendment No. j$ 293'

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