ML20055G312

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Proposed Tech Specs Consisting of Proposed Change 155 Re Safety Injection Actuation Sys
ML20055G312
Person / Time
Site: Maine Yankee
Issue date: 07/10/1990
From:
Maine Yankee
To:
Shared Package
ML20055G311 List:
References
NUDOCS 9007230033
Download: ML20055G312 (2)


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a ATTACHMENT C Proposed ~ Technical Specification Table 3.9-2.

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TABLE 3.9-2 Instrumentation Operatina Reauirements for Enoineered Safeauards Systems Minimum Operable Channel Bypass Initiation-A Functional Unit Per Subsystem Conditions Set Points 1-Safety Injection:

A.

Manual 1

Less than B.. High Containment 3(a)

Pressure 5 psig Greater C.- Low Pressurizer 3(a) than Pressure

-1585 psig

-2:

Containment Spray:

A.

Manual 1

Less than B.. Containment High 3/ set (a)(b)

Pressure 20 psig

..' 3 ' -

Containment-Isolation:

A.

Manual 1

Less than-B. : Containment High 3/ set (a)(b)

Pressure 5 psig

.(a). A channel which is placed in a configuration which simulates tripped'is: considered operable.

(b) Each subsystem is initiated by two out of three pressure sensor channels. The minimum degree of redundancy in each subsystem is one.

Reactor.-coolant pressure less -than 1760 psig.

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