Fire Protection

Question 1

What are the 3 sub systems of FP?

Answer 1

Fire protection - Chemical
Fire protection - H20
Fire detection and alarm

Question 2

What are the functions of the fire protection chemical system?

Answer 2

Detect, contain and extinguish all fires in areas where water is impractical

minimize loss of life and property

Question 3

What are the functions of the fire protection h20 system?

Answer 3

Maintain a reliable source of water to fight and extinguish fires

provide water flow and pressure to supply the requirements at hose hydrants for manual firefighting

provide water flow and pressure required when wet pipe and/or pre action sprinkler systems are activated by fire detection equipment

Question 4

What are the functions of the fire detection and alarm system?

Answer 4

provide fire/smoke detection capability in all plant areas that have the potential to expose safety related equipment to fire

Initial visual and audible alarms to warn plant personnel of a fire/smoke condition

Question 5

What are some of the properties that make C02 a desirable extinguishing agent?

Answer 5

(CCR)
Non-combustible
Non-conductive
Non-reactive

Question 6

How does C02 extinguish fires?

Answer 6

Suffocation and cooling

Question 7

What areas are protected by the fire protection C02?

Answer 7

Battery rooms A-D
ESF switch gear rooms A & B

Question 8

How is C02 flooding initiated?

Answer 8

When one smoke and one thermal detectors are actuated

The first alarm (a bell) actuates when one detection zone actuates

The 2nd alarm will be the pre discharge alarm for personnel to evacuate the area

Question 9

What would you need in order to use a C02 hose reel?

Answer 9

SCBA and turnout gear

Question 10

What is the source of the C02?

Answer 10

Cardox unit (also supplies steam generator purge)

Question 11

What are the properties of Halon?

Answer 11

(TLC)
Non-toxic
Leaves little residue
non-conductive

Question 12

What areas are protected by halon?

Answer 12

Remote shutdown room
inverter room
computer room
communications room

Question 13

Number of halon containers in each space is determined by what?

Answer 13

Volume of space

Question 14

What happens upon an activation of halon?

Answer 14

1st detector alarms to allow personnel to evacuate

2nd Isolates the room from the HVAC system and discharges entire bottle

Question 15

In regards to FP - water system, how many pumps are there and their capacity?

Answer 15

Three 50% fire pumps along with a jockey pump that maintains header pressure with no loads on the system

Question 16

How far apart are hydrants placeds?

Answer 16

250 feet

Question 17

Where are the 2 water storage tanks located?

Answer 17

Water resources

Question 18

How are the fire hose stations situated?

Answer 18

all over in 75 foot lengths and special permissions at 100’ when necessary

Question 19

What are the 3 types of sprinkler systems?

Answer 19

Wet pipe
Pre-action
Deluge

Question 20

PNVGS fire zones are identified in what manual?

Answer 20

Pre-fire strategies manual

Question 21

What are the different types of fire detectors?

Answer 21

Ionization detector
Photoelectric detector
Ultraviolet detectors
Heat actuated devices
Line type detectors

Question 22

What supplies power to the local CO2 fire control panels?

Answer 22

Essential lighting (QB)

Question 23

What system maintains level in the fire water storage tanks?

Answer 23

Domestic service water (DS)

Question 24

How is IA utilized in the FP system?

Answer 24

Pre-action sprinklers use 20psig of service air to monitor integrity of the dry fire water piping