Fire Protection

Question 1

What are the Fire Pump Auto Starts?

Answer 1

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

Question 2

What is the Diesel Fire Pump Trip?

Answer 2

Engine overspeed @ 2112 RPM

Question 3

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

Answer 3

2 Pumps max for a Main Transformer Fire

- Electric FW Pump and East Diesel FW Pump

Question 4

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

Answer 4

Transformer 7 - Norm

Livingston Rd - Alternate

Question 5

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

Answer 5

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

Question 6

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

Answer 6

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

Question 7

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

Answer 7

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

Question 8

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

Answer 8

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

Question 9

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

Answer 9

160 gal each for an 8hr operation

Question 10

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

Answer 10

AFX
CPR
CIPX
TSC Filtration Unit

Question 11

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

Answer 11

150°F-220°F

Question 12

Which fans have charcoal filter fire water protection?

Answer 12

AES
AFX
CPR
CIPX
CRP
TSC Filtration 
SATFU

Question 13

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

Answer 13

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

Question 14

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

Answer 14

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

Question 15

What does the Fire Siren Enable switch do?

Answer 15

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

Question 16

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

Answer 16

To restore fire system to normal conditions once:

• Fire signals are cleared
• Pumps are stopped locally
• Both Units have to press their own switch at the same time to reset

Question 17

What TRO 8.7.5 require?

Answer 17

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

Question 18

What TRO 8.7.6 A State?

Answer 18

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

Question 19

What TRO 8.7.6 B State?

Answer 19

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.

Question 20

What TRO 8.7.6 C State?

Answer 20

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.

Question 21

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

Answer 21

It reacts with the iodine its filtering out

Question 22

What area do each of the CO2 Tanks Protect?

Answer 22

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

Question 23

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

Answer 23

Fails open

Question 24

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

Answer 24

Fails open

Question 25

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

Answer 25

Fails closed

Question 26

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

Answer 26

Halon and Fire Water Sprinkler

Question 27

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

Answer 27

Halon only

Question 28

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

Answer 28

CO2

Question 29

Where are the Fire Water pumps shutdown at?

Answer 29

Locally at their control panels

Question 30

What must you do prior to entering the CRCV?

Answer 30

Manually isolate CO2

Question 31

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

Answer 31

Defeats alarms and bypasses all automatic functions until its reset

Question 32

Is Turbine lagging fire protection automatic?

Answer 32

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

Question 33

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

Answer 33

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

Question 34

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

Answer 34

No, they will not

Question 35

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

Answer 35

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

Question 36

What is the purpose of the INDIVIDUAL ISOLATION SWITCH?

Answer 36

Prevents all auto actuations of CO2 to a protected area

Question 37

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

Answer 37

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

Question 38

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

Answer 38

Fails closed