Chapter 15 And 16 Flashcards
What are the three broad categories of air movement and ventilation?
Natural
Mechanical using the Buildings HVAC
Operation using fire dept equipment and the buildings built-in smoke control management system
The vertical natural air movement throughout the high-rise building that is caused by the difference in temperatures between the inside air and outside air.
Stack effect
_____ is more significant in cold climates because of Greater difference in temperature between the inside and outside of the building.
Positive stack effect
The colder the weather and the higher the building, The____ will be the stack effect
Greater
The magnitude of the stack effect is a function of what four things?
Building height
Air tightness of exterior walls
Air leakage between floors
Difference in temperature between inside and outside air
Negative stack effect occurs in what climate?
Hot climate
The level within the building at which the barometric pressure both inside the building and outside the building are equal
Neutral pressure plane
The most noticeable effects of winds are in situations where the windows have failed in the _____ side of the fire building with strong wind conditions
Windward
HVAC systems can be broken into what two categories
Central HVAC systems where Air Supply to more than one floor
Non-central HVAC systems where areas supplied only to one floor where the HVAC system is located
_____ is defined as mechanical air movement via built-in smoke control and Air Management Systems under the direction of fire department command officers
Operational air movement
What is the key to success in operational air movement?
To assign a systems officer as early in the event as possible
Where should operational air movement not be performed?
Fire attack stairwell
Where should operational air movement not be performed?
Fire attack stairwell
What does the R in RIT RECON stand for?
Rescue of FF’s
What does the E in RIT RECON stand for?
Egress of FF’s
