VENTILATION Flashcards
When temperature exceeds _____ degrees , flashover may occur
1100 degrees
What is deflagration?
An explosive event that occurs during a backdraft
In which stage does rollover happen ?
Growth stage
At modern fires, convective heat is dangerous to members in what way?
Convective heat is absorbed by the members PPE at a faster rate than radiant heat putting members at greater risk of burns
4.1
Any unusual ventilation profile must be immediately communicated to who?
Truck officer inside the fire area to be vented and the IC
5.0
T or F initial roof ops ie skylight ,scuttle
The truck boss inside the fire area to be vented can give approval to roof FF to vent roof IF the inside team has control of the door
True
6.
T or F tactics
All horizontal vent tactics whether for extinguishment or venting for search MUST be coordinated by truck boss
True
8.1.1
The truck boss should communicate the location of the fire or difficulty finding the fire to who?
Engine boss and IC
8.2 exterior ops
All horizontal vent tactics from exterior MUST be controlled by ?
The truck boss operating inside the fire area to be vented
10.1 vertical vent
Initial vertical vent tactics MUST be coordinated by ?
Truck boss operating inside fire area to be vented
Initial vertical vent consists of venting what?
Bulkheads, scuttles or skylights over stairwells and hallways
When should truck boss order INITIAL vertical vent ?
Once door control is assured
10.2.1
No vertical vent shall be performed unless the roof FF directly communicates and receives approval from?
Truck boss
Conflict: note: states roof ff MAY perform vertical vent WITHOUT direct communication upon hearing transmission from boss to IC that door is controlled
Any changes I. Fire conditions caused by vertical vent must be communicated to ?
Truck boss and IC
- Vent for extinguishment
This tactic MUST coincide with the application of water on?
The seat of the fire