SOG 17-04 High Rise Ventilation

Question 1

SOG 17-04 High Rise Ventilation

Definition - evacuation stairwell

Answer 1

stairwell utilized for evacuation operations, generally suitable for civilians

Question 2

SOG 17-04 High Rise Ventilation

Definition -Operations Stairwell

Answer 2

stair utilized for firefighting operations with possible propped open doors, generally unsuitable for civilians

Question 3

SOG 17-04 High Rise Ventilation

Definition - Set up

Answer 3

two fans in series one placed in front of another with approx, 1.5-2m between them

Question 4

SOG 17-04 High Rise Ventilation

Definition - Stack effect

Answer 4

Stack effect or chimney effect is the movement of air into and out of buildings, chimneys, flue-gas stacks, or other containers

Question 5

SOG 17-04 High Rise Ventilation

Definition -ventilation sector officer

Answer 5

officer of an apparatus designated to plan and coordinate ventilation of a structure

Question 6

SOG 17-04 High Rise Ventilation

the third arriving apparatus, unless otherwise assigned or directed, shall

Answer 6

begin the setup for ventilating a high rise structure

Question 7

SOG 17-04 High Rise Ventilation

all third apparatus personnel shall set up at the exterior exit to the operations stairwell if possible it should not be expected

Answer 7

that entry control operations are to be conducted by a third arriving apparatus at a high-rise emergency

Question 8

SOG 17-04 High Rise Ventilation

once set up has been established for the operations stairwell and two members of the third apparatus have begun Ascent to the upper floors through operations stairwell, the remaining 2 personnel shall

Answer 8

move to the exterior exit to the evacuations stairwell and set up an identical set up shall be performed

Question 9

SOG 17-04 High Rise Ventilation

personnel ascending the stairwells shall determine (6)

Answer 9

• effectiveness of the ventilation/pressurization efforts
• assisting/redirecting evacuating occupants
• assisting/rescuing found occupants and fire personnel
• observing heat and smoke conditions on all floors (only report significance)
• locating exhaust point (roof hatches/man doors
• removing immediate smoke from upper stairwells

Question 10

SOG 17-04 High Rise Ventilation

once the operation and evacuations stairwells have been pressurized and searched the

Answer 10

IC is to be notified

Question 11

SOG 17-04 High Rise Ventilation

it is not recommended to further ventilate using pressurized air throughout the structure of active firefighting is ongoing. if required and possible, the

Answer 11

area of origin should be used as an exhaust

Question 12

SOG 17-04 High Rise Ventilation

once the fire is contained to the unit of origin and seemed under control these are several options for ventilating the remaining heat, smoke, and toxic gases, (4)

Answer 12

• area of orgin- through door/window
• across/nearby the area origin
• roofs access
• smoke shafts

Question 13

SOG 17-04 High Rise Ventilation

regardless of the tactic used to ventilate high rise structure

Answer 13

the natural wind should be taken into consideration when determining the best option for the conditions presented