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Question 1

4.1

Where does the VENTILATION SUPPORT GROUP report to and what tools does it bring?

Answer 1

INCIDENT COMMAND POST
Tools: 
-27' Tempest PPF and exhaust hoses
-Eye and ear protection
-Dave Clark headset
-HT's
-CO monitors
-ELEVATOR keys
-Halligan, heavy axe (ELEVATOR OPS)
-door chicks
-hand LIGHTS
-SCBA and full PPE

Question 2

6.3

True or False: THE VENT SUPPORT GROUP SUPERVISOR SHALL INFORM THE IC OF THE RECOMMENDED PLACEMENT OF THE PFFs.

Answer 2

TRUE

Question 3

6.3

Proper fan placement is based on what 4 factors?

Answer 3

1) #OF PPF s available
2) location of fire floor
3) #OF FLOORS in the building
4) stage of firefighting operations

Question 4

6.4

PPF’s should _____be left unattended. A _______ member must continually monitor each operating fan.

Answer 4

Never

Radio Equipped

Question 5

6.3

True or False ONLY THE IC CAN AUTHORIZE STAIRWELL PRESSURIZATION.

Answer 5

TRUE

Question 6

7.1
Pressurizing the attack stairwell is most effective when done\_\_\_\_\_
A) after the fire has been knocked down
B) Prior to fire attack
C) simultaneously with fire attack

Answer 6

B) SIMULTANEOUSLY WITH THE FIRE ATTACK

Question 7

7.2
The optimum placement of the PPF is ____from the attack stairwell door on the ground floor and directly facing the door to the stairwell at an angle of____.

Answer 7

• 4-6FT

- 80°

Question 8

There are ___ tilt positions on the foot pedal. The fan should be positioned to blow into the stairwell it should not be placed _____.

Answer 8

• 5 tilt positions

- INTO THE STAIRWELL

Question 9

7.3
The pressure delivered into the attack stair by the PPF will be great enough to allow for how many stairwell doors to be open?
A) 1
B) 2
C)3
D)4

Answer 9

C) 3

Question 10

7.3

Who will check the attack stair doors BELOW the fire floor to verify that they are maintained closed.

Answer 10

VENT GROUP MEMBERS

Question 11

Upon request of the Vent Group Supv who will the IC order to verify attack stair doors ABOVE the fire floor are maintained closed?

Answer 11

3rd and 4th Due Ladder Co’s

Question 12

1 PPF can provide the proper pressure in the STAIRWAY up to ___ stories depending on CONDITIONS and 2 fans will pressurize a _____story BUILDING when properly positioned.

Answer 12

• 10 stories

- 40 stories

Question 13

Where would the second fan be positioned for a fire above the 10th FL or if additional pressure was required?

Answer 13

3 floors below the fire floor

-same distance and angle

Question 14

8.1

During sequential ventilation where shall the PPF be placed

Answer 14

THE EXTERIOR OF THE BUILDING

- -EITHER ON THE GROUND FLOOR OR IN THE CELLAR

Question 15

8.1
iF CO levels are in the ____ PPM range, gasoline powered PPFs will not significantly reduce due to levels CO emissions produced by the fans.

Answer 15

0-60 PPM RANGE

Question 16

When Positive pressure mechanical ventilation (used for large areas: subways, schools, hospitals, theatres, etc) is implemented, where is the ideal location for the exhaust opening?

Answer 16

As close to the seat of the fire as possible, as high as possible.
(The opening should be double the size of the opening where the PPF is placed.)

Question 17

10.1
Negative pressurization utilizes the electric box fan operated in exhaust mode. The fan should be positioned _____ FEET back from the exhaust opening and tilted at a_______ angle.

Answer 17

• 6-8 feet

- 30° angle

Question 18

11.7
How often shall the fans be inspected?
A) DAILY AND AT MUD
B) WEEKLY AT MUD
C) MONTHLY
D) WEEKLY AND AFTER EACH USE

Answer 18

A) DAILY (beginning of 9x6 TOUR) AND WEEKLY AT MUD

*At MUD started and run at FULL RPM FOR 5 MIN. DO A VISUAL INSPECTION OF THE FAN BELT AND TIGHTNESS CHECK.

Question 19

TRUE OR FALSE

IF THE FAN MUST BE MOVED DURING OPERATION YOU NEED 2 MEMBERS.

Answer 19

FALSE. NEVER MOVE FANS DURING OPERATION

NEVER REFUEL INSIDE A STRUCTURE