NB, NG/NH, NK, NN,NQ, QF Flashcards
What is the purpose of the In-plant Communication (QF) system?
Provide convenient and effective operational communications between various plant locations, between the plant and off-site locations during all operating states.
What is the EPABX (Electronic Private Automatic Branch Exchange)?
Normal private line phone communications w/in PV.
NQR.
May be used to access:
PA system
Emergency Evacuation system
Public Telephone system
What is the Plant Two Way Radio System?
Two-way radio services @ PVGS and 35mi radius.
Required by the UFSAR
Powered from SIAS Load Shed MCC NHN-M71/M72
Has a battery Backup for a minimum of 8 hours
What is NAN?
Notification and Alert Network
.
Describe Sound Powered Telephone System.
Required by UFSAR
Between the Control Room/ Remote Shutdown & Fire Response Team / Operators performing actions in accordance with 40AO-9ZZ19 Control Room Fire
No external power source needed. Powered by the powered by voodoo magic
Describe the Public Address System.
Makes announcements to a Unit or the whole site
8001/8002/8003 for the units 8000 is the site wide PA
Powered from Non-class 120 VAC MCC Dp
backup battery lasts 8 hours
Describe the Emergency Evacuation Alarm System.
Sirens to alert all personnel w/in security boundaries of PVGS
Blue lights to signal evacuation or accountability
Powered from 120 VAC MCC Dp backup for 2 hours
Describe the Plant Multiplexing system.
provides remote monitoring control of non-safety related plant systems and components
fiber-optic
Each Unit has:
1 local @ 160’ Control
2 remote for remote indication at the startup yard
3 remote terminals @ cooling towers
Describe the purpose, operation, and locations of the Local/Remote Multiplexing Terminals.
Provide Control Room w/ indications & control of remote plant equipment
What are the power supplies to the Local multiplexing panels?
480 VAC MCC > NHN-X01 Trans 240 VAC > to inverter on the multiplexer
4 hour battery backup
What are the power supplies to the remote multiplexing panels?
120 VAC non-class MCC DP
Switchyard RMT back up rated @ 4 hours
Cooling Tower RMT rated @ 1 hour
What is the cooling for the Multiplexers?
LMT is Control HVAC (HJ)
RMT Switchyard has 2 AC units
Cooling Towers 1 AC unit
What plant communications are for use during a control room fire?
2-way, EPABX, Sound Power, PA & Face-to-Face
During Appendix R Fire, what forms of communication is required?
two-way radio & sound powered
acceptable to use separate room w/ jack for communication if in a difficult area
Describe the interface between QF and supporting systems.
