In Vessel Post Accident Monitoring System IVPAMS

Question 1

Why was IVPAMS installed?

Answer 1

Installed in 1995 as a result of monitoring issues made obvious by the TMI accident. This system provides indication only; no control functions.

Question 2

Where is IVPAMS data acquisition system located?

Answer 2

TRA 670, Room 130.

Question 3

Where does the data acquired by IVPAMS go?

Answer 3

Parameters can be monitored in the ECC TRA 680 (as well as in 670).

Question 4

What parameters are monitored by IVPAMS?

Answer 4

PCS ECP Flow
Rx Bldg Water Level (Piping Space)
Rx Bldg Water Level (HX Room)
Canal Level
PCS Inlet/Outlet Pressure
EFIS Flow
Safety Relief Valve Leak Detection
Upper Plenum Temp
Log N Rx Core Power
RV Level Probe
Probe Current/Voltage Transducer

Question 5

What are the power supplies for IVPAMS?

Answer 5

Main - Diesel/Commercial Power via E-71
Alt - Portable Diesel Gen at E-467 (IVPAMS Gen Plug)
MTS E-466 selects which power supply aligned to IVPAMS

Question 6

What four events could render IVPAMS nonfunctional?

Answer 6

Node Failure
PLC Failure
Network Failure
UPS Power Failure