Truck #5 Ventilation

Question 1

Define Ventilation

Answer 1

Controlled and coordinated removal of heat and smoke from a structure

Question 2

Units encountering fire in early decay stage shall…

Answer 2

Control the ventilation of windows and maintain control of door to fire area

Question 3

Kerf Cut

Answer 3

Plunge blade/chain of saw in roof creating a slit inspection hole

Question 4

Triangular Cut

Answer 4

Make Three cuts with overlapping edges in triangular shapes

Question 5

Punch Through

Answer 5

Pick End of an Axe strike the roof creating smaller holes

Question 6

Recommended Sized ventilation cut sizes

Answer 6

Residential Buildings (single family): 4x8

Commercial Buildings & Gardens: 8x8

Question 7

Preferred Roof Cut when conditions and pitch allow for safe operations

Answer 7

Standard Cut

Question 8

Basket Roof Cut

Answer 8

Also known as Bucket Cut

Triangular cut made from the bucket of tower or tip of aerial

Question 9

Large Commercial roof vent hole size

Answer 9

16’ x 16’ square or equivalent triangular hole

Question 10

Where is a Trench Cut used

Answer 10

Used on large structures with common attic and cockloft

Question 11

Smoke Ejector is preferred when…

Answer 11

Area to ventilate is small with minimal smoke conditions

Question 12

Positive Pressure Ventilation is preferred method when…

Answer 12

Moderate to heavy smoke conditions exists as a result of working fire