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RO34 - Revised and Upgraded Decks > Fire Protection > Flashcards

Fire Protection Flashcards

1
Q

What are the Fire Pump Auto Starts?

A

Electric 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, independently

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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 565,000 gal 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

Which fans have charcoal filter fire water protection?

A 
AES
AFX
CPR
CIPX
CRP
TSC Filtration 
SATFU
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12
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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13
Q

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

A

No, detectors only send an alarm.

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14
Q

What does the Fire Siren Enable switch do?

A

It turns the Fire Logic System OFF and allows reset of the alarms after the local Deluge, CO2 or Fire Detection system is reset

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15
Q

What is the Fire System Logic Reset button is used for?

A

To restore fire system to normal conditions once:

  • clears drop 41- fire alarm
  • Both Units have to press their own switch at the same time to reset
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16
Q

Tech Spec wise (TRO 8.7.5), what is required for an Operable fire system?

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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17
Q

Per TRO 8.7.6 A, what is done if one ore more sprinkler system is inoperable in areas WITH fire detection:

A

WITHIN 1 hr:
Verify ≥ one circuit of fire detection instrumentation (electric or pneumatic) in Table 8.7.4-1 for the affected area is OPERABLE.

18
Q

Per TRO 8.7.6 B, with One or more Sprinkler Systems inoperable in areas WITH other automatic suppression systems(s) OPERABLE,

A

IMMEDIATELY:
Verify automatic
suppression system
OPERABLE for affected
area.

19
Q

Per TRO 8.7.6 C, if the required action and associated completion time of Condition A or Condition B is NOT met,

A

WITHIN 1 hr:
Establish a continuous fire watch patrol of affected area.
OR

NOTE: Only applicable for high radiation areas.

Continuously monitor closed circuit television of affected areas and log results.

20
Q

What causes the charcoal in the charcoal filters to catch on fire/heat up?

A

It reacts with the iodine its filtering out

21
Q

What areas do each of the CO2 Tanks Protect?

7.5 Ton and 17 Ton

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
22
Q

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

A

Fails open

23
Q

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

A

Fails open

24
Q

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

A

Fails closed

25
Q

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

A

Halon and Fire Water Sprinkler

CO2 is manually actuated

26
Q

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

A

Halon only

CO2 is manually actuated.

27
Q

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

A

CO2

28
Q

Where are the Fire Water pumps shutdown at?

A

Locally at their control panels

29
Q

What must you do prior to entering the CRCV?

A

Manually isolate CO2

30
Q

If you manually operate local selector valves, what will that prevent from happening?

A

Defeats alarms and bypasses all automatic functions until its reset

31
Q

Is Turbine lagging fire protection automatic?

A

No, fire has to be locally verified and manually actuated from control room

32
Q

When does the 17 ton compressor lock out and how is it reset?

A

Locks out on a load shed and it has to be reset in control room via reset push button

33
Q

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

A

No, they will not

34
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)

35
Q

What is the purpose of the INDIVIDUAL ISOLATION SWITCH?

A

Prevents all auto actuations of CO2 to a protected area, but still allows manual actuation

36
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

37
Q

Which CO2 FP system valves normally function to admit liquid CO2 to a given area

A

Selector Valve

38
Q

What is the bases for the requirement that the CO2 storage tank level is equal to or greater than 60.4% and pressure is equal to or greater than 285 psig

A

The minimum quantity of CO2 must be adequate for two complete timed discharges into the area which requires the most CO2

39
Q

The Master Valve Isolation valve is _________ and is normally__________.

A

Manual and Open

40
Q

The CO2 Vaporizers are used to remove _________ in _________ Unit

A

Hydrogen or Air in Either Unit

41
Q

The CO2 Selector Valve solenoid valve is normally ________ and ________.

A

Closed and De-energized

RO34 - Revised and Upgraded Decks (84 decks)

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