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1. Systems > Fire Protection > Flashcards

Fire Protection Flashcards

1
Q

What are the Fire Pump Auto Starts?

A

Motor Driven Fire Pump - 140# for ≥ 2 Sec
East Diesel FW pump - 130# for ≥ 15 secs
West Diesel FW Pump - 120# for ≥ 25 secs

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2
Q

What is the Diesel Fire Pump Trip?

A

Engine overspeed @ 2112 RPM

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3
Q

For any given fire, what are the most fire pumps you should expect to see running?

A

2 Pumps max for a Main Transformer Fire

- Electric FW Pump and East Diesel FW Pump

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4
Q

What is the normal power supply to the fire pump house?

A

Transformer 7 - Norm

Livingston Rd - Alternate

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5
Q

Can you parallel the two supply power sources to the fire pump house?

A

No, you cannot parallel them due to the two sources being out of phase

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6
Q

Which unit can manually open ZMO-10 and ZMO-20?

A

Either unit has the ability to open ZMO-10 and ZMO-20

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7
Q

Which unit is required to manually close ZMO-10 and ZMO-20?

A

Both units are required to close ZMO-10/20 after them being open

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8
Q

What is the TRM limit for gallons in the Fire Water Tanks?

A

2 Fire Water Tanks with a min of 565,000gal each

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9
Q

What is the TRM for the Diesel FW Pump Fuel oil tanks?

A

160 gal each for an 8hr operation

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10
Q

Which fans will trip on high temp (400°F) on thermistor string?

A

AFX
CPR
CIPX
TSC Filtration Unit

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11
Q

At what temp does the pre-alarm for the fans with the charcoal bed come in?

A

150°F-220°F

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12
Q

Which fans have charcoal filter fire water protection?

A 
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
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13
Q

ZMO-10/20 will auto open upon receipt of any of the following fire signals from these areas

A
  • Drumming area
  • New fuel receiving area
  • Any charcoal filter supplied by fire water system
  • Push button for Auxiliary building hose reels
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14
Q

Will general aux building elevation area fire detectors open ZMO-10/20?

A

No they will not open ZMO-10/20. They just send an alarm.

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15
Q

What TRO 8.7.5 require?

A
  • 3 pumps with 2500gpm capability
  • 2 fire water tanks, each with a minimum usable volume of 565,000 gallons
  • Intact system
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16
Q

What TRO 8.7.6 A State?

A

One or more Sprinkler Systems inoperable in areas WITH fire detection
WITHIN 1 hr:
- Verify fire detection instrumentation (electric or pneumatic) for the affected area is OPERABLE.
AND
- Verify that Monitoring Program Action Levels have not been exceeded

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17
Q

What TRO 8.7.6 B State?

A

One or more Sprinkler Systems inoperable in areas WITHOUT fire detection
WITHIN 1 hr:
- Patrol the affected area with a fire watch.
- Verify that Monitoring Program Action Levels have not been exceeded.

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18
Q

What TRO 8.7.6 C State?

A

Required Action and associated Completion Time of Condition A or Condition B is not met
WITHIN 1 hr:
- Establish a continuous fire watch patrol of affected area.

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19
Q

What area do each of the CO2 Tanks Protect?

A 
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
20
Q

How does the CO2 Master Valve fail on loss of 250V DC?

A

Fails open (Pilot denergizes)

21
Q

How does the CO2 Pilot Valve fail on loss of 250V DC?

A

Fails open

22
Q

How does the CO2 Master Valve fail on loss of pilot pressure?

A

Fails closed

23
Q

With a fire in the U2 CRCV, what automatically actuates for fire protection?

A

Halon and Fire Water Sprinkler

24
Q

With a fire in the U1 CRCV, what automatically actuates for fire protection?

A

Halon only

25
Q

What must you manually actuate for a CRCV fire to both units?

A

CO2

26
Q

Is Turbine lagging fire protection automatic?

A

No, fire has to be locally verified and manually actuated from control room (ZRV-40/41)

27
Q

If Halon is actuated at the cylinder manually, will the extended Halon bottles actuate?

A

No, they will not

28
Q

If a Diesel fire pump won’t start on the first try, what happens next?

A
  • it will keep trying to start, and Engine locks out if it doesn’t start within 6 cranking cycles. (15-sec ea)
29
Q

What is the purpose of the INDIVIDUAL ISOLATION SWITCH?

A

Prevents all auto actuations of CO2 to a protected area

30
Q

What happens on a temp Pre-alarm in the charcoal bed?

A

CR gets an alarm and procedure directs opening of FP Isolation vlv

31
Q

How does the CO2 Selector Valve fail on loss of power?

A

Fails closed

32
Q

What is the capacity and of the pegging pump and at what pressure does it keep the header

A

50 GPM

150 psi

33
Q

How many fire water storage tanks are in service at a time

A

One

34
Q

How long do the charcoal filter deluge valves actuate for

A

They ever cycle 20-30 seconds

35
Q

What is the minimum pressure on the 17 Ton CO2 Tank

A

285 psig

36
Q

What do the CO2 Master Valves do

A

Sends CO2 to various area selector valves

37
Q

What do the CO2 Pilot Valves do

A

Provide pilot pressure to the master valves on CO2 system activation

38
Q

Are CO2 Pilot Valves normally energized or de-energized

A

Energized

39
Q

What do CO2 Selector Valves do

A

Admit CO2 to its area on a fire signal

40
Q

Are CO2 Selector Valves normally energized or de-energized

A

Normally de-energized

41
Q

What are actuation methods for Halon

A

Automatic
Manual-Electric (Control Room pushbutton)
Manual - At Automan (Pull Pin-Push button)
Manual - At Halon Cylinders (Pneumatic Actuator)

42
Q

How many extended Halon discharge cylinders are there

A

Three

43
Q

How long after the main Halon discharge do the extended Halon discharge cylinders actuate

A

3 minutes 45 seconds

44
Q

How long does the main Halon discharge last

A

45 seconds

45
Q

How long does extended Halon discharge last

A

4 minutes

1. Systems (56 decks)

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