Description Flashcards
Most high rise buildings are of what type of construction?
Fire resistive construction
This building is either six or more stories or a building where the highest occupied story is greater than 75 feet from the lowest level of fire department vehicle access?
High-rise building
The time that is needed to assess the situation upon arrival of the first fire department units and gather information is known as what?
Reflex time
Modern high-rise buildings are of two basic designs what are they?
Residential and commercial
This type of high-rise buildings have Center hallways and numerous interior compartments?
Residential high-rise
This type of high-rise has Centercourt construction with circuit corridors around the corner of the building and may have relatively large open expanses on each floor?
Commercial high-rise
To best determine the location in relationship to the fire area in the standpipe firefighters should observe what?
The lower floors when possible
High-rise buildings built after 1976 will be of what type of construction?
Fire resistive
Firewalls and high-rise buildings will have what fire rating at a minimum?
Two hour rating
These allow personnel to determine the height of the façade relative to the roofline?
Scuppers
How is access normally gained to the roof of a high-rise building?
Through a hatch or bulkhead at the top of the stairwell
Or through the penthouse machine room
Due to the way curtainwalls are mounted to the four sections or frame of the building gaps of how many inches are common between the floor and exterior wall?
6-12”
This type of concrete can consist of up to 20% air to reduce the density of the concrete?
Low mass concrete
Windows that can be broken on a high-rise building are marked with what and where?
With a Maltese cross or a fire helmet etched in the lower corner of the pane
This type of stair usually have individual entrances and access only one section of the building?
Isolated stairs
The stairs are simply independent stairwells on either side of the core. In some cases each stairwell will only serve every other floor.
Scissor stairs
This type of stair is also known as access or convenient stairs they are open and unprotected stairways leading from floor to floor within a single occupant space?
Accommodation stairs
Fire hydrants should be located within how many feet of the standpipe and sprinkler FDC’s?
100’
In a high-rise building preference should be given to using the risers and what location for fire attack?
Stairwell
What type of elevators are normally used in high-rise buildings?
Electric traction
This type of elevator can bypass a portion of the building via a blind shaft?
Express elevators
In this mode of service an elevator car doors will open automatically when arriving at the specified floor?
Independent service
In this mode of service the elevator doors will not open until the door open button has been activated?
Firefighter service
Which type of elevator should not normally be used during emergency operation?
Freight elevators
