QF- In-Plant Communications Flashcards
What is the purpose of the QF (in-plant communications) system?
to provide convenient and effective operational communications between various plant locations, and between the plant and offsite locations.
What are some of the QF communication systems available at PVGS?
- EPABX phone system
- sound powered phone system
- two-way radio system
- emergency evacuation alarm system
- public address system
- public and private phone systems
- land lines to local law enforcement
- ringdown phone system to EECC
- back-up power to communication systems
How does the QF system interface with the NA system?
Various indications from the switchyard are sent to the Control Room using remote multiplex signals.
How does the QF system interface with the NG system?
The NG system provides power to the Plant Multiplexing system.
The PMUX system provides control of NGN-L43 and NGN-L44 for the Unit 1 Control Room operators
How does the QF system interface with the NH system?
NH provides power to the In-Plant Communications system.
NH (and NG) provides power to the Plant Multiplexing system.
How does the QF system interface with the CW system?
The CW Cooling Tower fans are controlled from the Control Room using remote multiplex signals
What control room systems does the QF system interface with?
RK (plant annunciator)
RJ (plant computer)
RM (main control board)
What is the purpose of the EPABX telephone system?
provides lines of communications between site EPABX telephones, including the Unit Control Rooms, and interfaces with the external public telephone system and the public address (PA) system
Where is the EPABX phone system powered from? Where is its battery backup located? Which unit gets the alarms for this system in the case of failure to the battery or charger?
NN
service building battery room (8 hour supply)
U1
What is the purpose of the public address system?
make announcements to a unit or the whole site
8 hour backup power supply
What is the purpose of the emergency evacuation alarm system? How are sirens initiated? What is in place in areas of high noise to warn personnel of evacuation?
provided to alert all personnel within the security boundaries of PVNGS
from the siren command control unit in each units main control room
audile alarms, flashing blue lights, admin measures
Where is the Emergency evacuation alarm system powered from?
120VAC from NH system
also has UPS and 2-hour batteries
What is the purpose of the sound powered telephone system? Power source? There is a second, independent system, with a merge switch to connect the two systems together, provided between the control and where?
to allow communication between the Fire Department and the Control Room during a fire
doesn’t require a power source
maintenance control points
What are the only two required communication systems required between the fire department and the control room during a fire?
two-way radio
sound-powered phone system
What is the purpose of the two-way radio system? What is in place to enhance the reliability of this system?
provides voice radio communications throughout the PVGS site and the surrounding Emergency Planning Zones (EPZ)
communication links to the Local Law Enforcement Agency and, in conjunction with the APS corporate two-way radio system, the Notification and Alert Network, State and County Emergency Response Organizations
redundant AC power feeds and battery backed UPSs to supply power for a minimum of four hours (can also be supplied by SBOGS during a SBO
