B13470, Proposed Tech Specs Re ESF Actuation Sys Instrumentation Trip Setpoints
| ML20033G521 | |
| Person / Time | |
|---|---|
| Site: | Millstone  |
| Issue date: | 03/30/1990 |
| From: | NORTHEAST NUCLEAR ENERGY CO. |
| To: | |
| Shared Package | |
| ML20033G517 | List: |
| References | |
| B13470, NUDOCS 9004100164 | |
| Download: ML20033G521 (2) | |
Text
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- l Docket No. 50 423 i
B13470 l
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Millstone Nuclear Power Station,. Unit No. 3 i
Proposed Revision to Technical Specifications ESF Actuation System Instrumentation Trip Setpttints
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TABLE 3.3-4 (Continued)
G Es ENGINEERED SAFETY FEATURES ACTUATION SYSTEM INSTRUMENTATION TRIP SETPOINTS c'i
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SENSOR 25 TOTAL ERROR FUNCTIONAL UNIT ALLOWANCE (TA) Z (S)
TRIP SETPOINT ALLOWABLE VALUE
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5.
Turbine Trip and Feedwater Isolation a.
Automatic Actuation Logic N.A.
N.A.
N.A.
N.A.
N.A.
Actuation Relays b.
Steam Generator Water 5.25 3.76 1.50 s 80.45% of 5 81.47% of narrow Level--High-High (P-14) narrow range range instrument instrument span.
j" span.
i' c.
Safety Injection Actuation See Item 1. above for all Safety Injection Trip Setpoints and Ss Logic Allowable Values.
d.
T Low Coincident with ave Reactor Trip (P-4)
- 1) Four Loops Operating N.A.
N.A.
N.A.
2 564*F 2 560.6*F
- 2) Three loops Operating N.A.
N.A.
N.A.
2 564*F 2 560.6*F 6.
Manual Initiation N.A.
N.A.
N.A.
N.A.
N.A.
b.
Automatic Actuation Logic N.A.
N.A.
N.A.
N.A.
N.A.
and Actuation Relays c.
Steam Generator Water Level--Low-Low
- 1) Start Motor-Driven 18.10 16.64 1.50 2 18.10% of 217.11% of narrow Pumps narrow range range instrument instrument span.
span.
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