ML20127F708

From kanterella
Jump to navigation Jump to search
Proposed Tech Spec Change 85-07,revising Table 3.2.B Re 2/3 Core Height Setting
ML20127F708
Person / Time
Site: Pilgrim
Issue date: 06/18/1985
From:
BOSTON EDISON CO.
To:
Shared Package
ML20127F688 List:
References
NUDOCS 8506250233
Download: ML20127F708 (3)


Text

,7 4

Die PNPS b TABLE 3.2.B INSTRUMENTATION THAT INITIATES OR CONTROLS THE CORE AND CONTAINMENT COOLING SYSTEMS

  • W Minimum # of om Operable Instrument Channels Per Trip System (1) Trip Function Trip Level Setting Remarks g 2 Reactor tow-tow water at or above -49 in. 1. In conjunction with Low u Level indicated level (4) Reactor Pressure, initiates Core Spray and LPCI.
2. In conjunction with High Drywell Pressure, 120 second time delay and LPCI or Core Spray pump interlock initiates Auto Blowdown (ADS).
3. Initiates HPCI; RCIC.
4. Initiates starting of Diesel Generators.

2 Reactor High Hater Level 9 48" indicated Trips HPCI and RCIC turbines.

level 1 Reactor Low Level >307" above vessel Prevents inadvertent operation (inside shroud) zero (approximately of containment spray during 2/3 core height) accident condition.

2 Containment High Pressure 1 < p < 2 psig Prevenfs inadvertent operation of containment spray during accident condition.

Amendment No. 47