AUC 349 PPF

Question 0

What is priority order for use of PPF ?

Answer 0

• pressurize attk
• pressurize evacuation
• vent public hallways

Question 1

Proper place of PPF is based on ?

Answer 1

• # of fans & personnel available
• location of fire floor
• # of floors
• stage of fire operations

Question 2

The pressure delivered to the attack stair by ppf will be great enough to allow for up to __ stairwell doors to be open?

Answer 2

Up to 3

Question 3

The vent group supervisor shall request that the IC instruct __ operating above the fire to verify that doors in the stair enclosure remain closed?

Answer 3

3rd & 4th ladders

Question 4

If fire floor is above the 10th floor or addtl pressures are required to maintain the stairwell free of smoke, a 2nd fan placed where?

Answer 4

3 floors below fire floor

Question 5

One fan can provide proper pressure in a stairwell up to __ stories? Two fans?

Answer 5

Up to 10. Two up to 40.

Question 6

Proper positioning of a fan ?

Answer 6

4’ to 6’ at 80 deg angle

Question 7

Extreme smoke condition in attk or evacuation stairwell, ventilation of that stairwell may be implemented as follows - units are not committed to FF? Units are ?

Answer 7

PPF ground floor with FF stairwell door closed. Vent group roof or another member ‘burps’ the bulkhead(approx 60 secs)then shut bulkhead door. Member stays on roof. **are committed stairwell door closed as much as possible

Question 8

Never leave unattended, re-fuel inside or move while in operation?

Answer 8

True

Question 9

Sequential vent:

Answer 9

Attk bulkhead open. Evac closed. Doors on fire floor open. *start at lower floors

Question 10

CO levels are in __ to __ range gas pwr PPF will not significantly reduce those levels due to CO emissions by fans?

Answer 10

0 to 60ppm

Question 11

Checking fans?

Answer 11

Daily 9x6. Weekly at mud - run at full rpm for 5 minutes

Question 12

Exhaust hoses must always be used?

Answer 12

True. Never re-fuel inside structure; never leave unattended.