Fire Protection Flashcards
(35 cards)
What are the Fire Pump Auto Starts?
Motor Driven Fire Pump - 140# for ≥ 2 Sec
East Diesel FW pump - 130# for ≥ 15 secs
West Diesel FW Pump - 120# for ≥ 25 secs
What is the Diesel Fire Pump Trip?
Engine overspeed @ 2112 RPM
For any given fire, what are the most fire pumps you should expect to see running?
2 Pumps max for a Main Transformer Fire
- Electric FW Pump and East Diesel FW Pump
Can you parallel the two supply power sources to the fire pump house?
No, you cannot parallel them due to the two sources being out of phase
Which unit can manually open ZMO-10 and ZMO-20?
Either unit has the ability to open ZMO-10 and ZMO-20
Which unit is required to manually close ZMO-10 and ZMO-20?
Both units are required to close ZMO-10/20 after them being open
Which fans will trip on high temp (400°F) on thermistor string?
AFX
CPR
CIPX
TSC Filtration Unit
At what temp does the pre-alarm for the fans with the charcoal bed come in?
150°F-220°F
Which fans have charcoal filter fire water protection?
AFX - Spent Fuel Exhaust CPR - Containment Pressure Relief CIPX - Instrument Room Purge Exhaust TSC Filtration AES - Engineered Safety Features ACRF/CRP - Control Room Pressurization SATFU - SAT Room
ZMO-10/20 will auto open upon receipt of any of the following fire signals from these areas
- Drumming area
- New fuel receiving area
- Any charcoal filter supplied by fire water system
- Push button for Auxiliary building hose reels
Will general aux building elevation area fire detectors open ZMO-10/20?
No they will not open ZMO-10/20. They just send an alarm.
What area do each of the CO2 Tanks Protect?
71/2 Ton - Old Office Building and Generator Degas 17 Ton Areas: - 4KV Room - EDG Rooms - EDG Fuel Oil Pump Room - Aux Cable Vault - CRCV - Switchgear room cable vault - Quads 1-4 - MT Lube Oil Tank Rooms - Lube Oil Tank Rooms - CRD room - Hose Reels
How does the CO2 Master Valve fail on loss of 250V DC?
Fails open (Pilot denergizes)
How does the CO2 Pilot Valve fail on loss of 250V DC?
Fails open
How does the CO2 Master Valve fail on loss of pilot pressure?
Fails closed
With a fire in the U2 CRCV, what automatically actuates for fire protection?
Halon and Fire Water Sprinkler
With a fire in the U1 CRCV, what automatically actuates for fire protection?
Halon only
What must you manually actuate for a CRCV fire to both units?
CO2
Is Turbine lagging fire protection automatic?
No, fire has to be locally verified and manually actuated from control room (ZRV-40/41)
If Halon is actuated at the cylinder manually, will the extended Halon bottles actuate?
No, they will not
What is the purpose of the INDIVIDUAL ISOLATION SWITCH?
Prevents all auto actuations of CO2 to a protected area
What happens on a temp Pre-alarm in the charcoal bed?
CR gets an alarm and procedure directs opening of FP Isolation vlv
How does the CO2 Selector Valve fail on loss of power?
Fails closed
What is the capacity and of the pegging pump and at what pressure does it keep the header
50 GPM
150 psi
