ML20153E935

Proposed Tech Specs Re RHR Sys (LPCI Mode) Circuitry Requirements

ML20153E935
Person / Time
Site:	Cooper
Issue date:	05/03/1988
From:	NEBRASKA PUBLIC POWER DISTRICT
To:
Shared Package
ML20153E932	List: ML20153E935 NLS88000136, Application for Amend to License DPR-46,consisting of Proposed Change 58,revising Tech Specs to Reflect Changes to Undervoltage Relays During Current Refueling Outage.Fee Paid
References
NUDOCS 8805100181
Download: ML20153E935 (1)

Text

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I' COOPER NUCLEAR STATION Ty TABLE 3.2.B (PACE 3)

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mo RESIDUAL IIEAT REMOVAL SYSTEM (LPCI MODE) CIRCUITRY REQUIREMENTS un e-DO Minimum Number of Action Required When Sh Instrument Operable Components Component Operability Q3 Instrument I.D. No. Setting Limit Per Trip System (1) Is Not Assured

00) RIIR Pump Low Flow RilR-dPIS-125 A & B ->2500 gpm 1 A Uta)

Time Delays RIIR-TDR-K45, IA&lB 4.251T15.75 min. 1 A OQ 800 RilR Pump Start RilR-TDR-K75A & K70B 4.51T15.5 Sec. 1 A Dj Time Delay Rl!R-TDR-K75B & K70A 1 5 sec. I a RilR Ileat Exchanger RilR-TDR-K93, A & B 1.81T12.2 min. I B Bypass T.D.

RilR Crosstie Valve RiiR-LMS-2 Valve Not closed (3) E Position Bus IA Low Volt. 27 X 3/lA Loss of Voltage 1 B Aux. Relay

, Bus IB Low Volt. 27 X 3/lB Loss of Voltage 1 B

$I Aux. Relay Bus IF Low Volt. 27 X 1/lF Loss of Voltage 1 B Aux. Relays 27 X 2/lF Loss of Voltage 1 B Bus 1G Low Volt. 27 X 1/lG Loss of Voltage 1 B Aux. Relays 27 X 2/IG Loss of Voltage Pump Discharge Line CM-PS-266 >5 psig (3) D CM-PS-270 >l5 psig (3) D Emergency Buses 27/IF-2, 27/IFA-2 3880V 152V 2 B Undervoltage Relays 27/lc-2, 27/ICB-2 7.5 second 1.8 sec. 2 B (degraded voltage) time delay 1 B Emergency Buses Loss 27/lF-1, 27/lFA-1, 2900V 15%

of Voltage Relays 27/lG-1, 27/ICB-1, 5 second il sec.

27/ET-1, 27/ET-2 delay 1 B Emergency Buses Under- 27X7/IF, 27X7/IG, Voltage Relays Timers 5 second 1 5 sec. 1 B

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