MD's Class 2 High Rise Residential Flashcards
Class 2 High Rise Residential buildings were built around what years
Late 1800 to early 1930’s
Note: The greatest concentration can be found in mid to upper Manhattan
What signal should be transmitted for fires in these types of buildings
10-77 Note: Greater resources may be required in these types of buildings when compared to class 1 types
The majority height of class 2 buildings in stories
8-18
Note: A small percentage are up to 32 floors with a single stairway
Building sizes of Class 2 buildings vary from (blank) X (blank) to more than (blank) X (blank)
45’ X 45’ to more than 200’ X 250’
Horizontal Bands or Belt Courses will usually be present ABOVE the windows of what floors in a class 2 building
Floors 1, 2, or 3
Note: They will usually be present BELOW the windows of any of the top three full floors
Although a majority of class 2 buildings are class A dwellings, name 3 other type occupancies that can be found
Hotels, Student housing and SRO’s
Name 3 pieces of info that should be included in CIDS for Class 2 buildings
Stair description, Standpipe locations and Best roof access
Note: If space permits include the various types of secondary means of egress
Name 5 Class 2 features that can affect firefighting operations.
- Wing or Sections 2. Stairwells 3. Fire escapes 4. Standpipes 5. Elevators
Name 3 types of stairways found in Class 2 buildings
- Fires stairs 2. Enclosed stairs 3. Open stairs
Fire stairs will typically be in a separate fire rated enclosure and constructed of what 3 types of material
- Terracotta 2. Cement block 3. Some other non-combustible material
True or False. When a penthouse is present, fire stairs will usually terminate at the roof terrace level of the penthouse apartment
True
True or False. Since Fire stairs will usually serve as the evacuation stairway during a fire, they will always provide access to the street or lobby level
False
Some Fire stairways bypass both the street and lobby floors
Name the five most common types of Open stairs
- Service stair 2. Primary open stair 3. Open fire stair 4. Shared fire stair 5. A stair separated from the public hall or vestibule that also contains 1 or more apartment doors in the stairwell
Which type of open stairs will share apartments that are in 2 separate wings
Shared Fire Stairs
Note: In addition to these stairs, crossover between wings is usually possible in the Lobby, Cellar or Roof.
Which type of stair is the most common stair encountered in these buildings
Open fire stairs
When does a member notify their officer they’re using a fire escape in a Class 2 building
Always
Note: Fire escapes can be up to 18 stories in height
Since standpipe outlets can be found in either the public hall or stairway landing‘s, at what height may they also be found (in feet)
7 feet
The presence of open stairs can creates what 5 implications
- Rapid movement of heat and smoke throughout the floors above 2. Fire extension via main stair or remote open stairs 3. Occupants trapped above the fire when attempting to evacuate 4. Difficulty or delay with roof access and ventilation 5. Negative stack affect could impact standpipe operations on the floors below
Members who encounter occupants evacuating from upper floors should instruct them to do what
To remain in their apartment with their door closed, if conditions allow
In instances where removal of occupants is necessary (overcome, panic), members must communicate this to who (2 answers)
IC and 1st ladder officer
Note: Additional resources will be required and attack on the fire may be delayed
If a building has 1 enclosed stair and 1 open stair, where should the 2 1/2 be stretched up to from the outlet
Open stairway. Leave enclosed stairway for evacuation when possible.
Note: Engine companies may have to hook up at an outlet near the enclosed stairs and then use the open stair as the attack stair
True or False. In some Class 2 buildings, it will be permissible for engines to stretch a 2 1/2 from the apparatus
True
This is due to the various locations of standpipe outlets
Name an occasion when the 4th due engine stretches the 2 1/2 line
3rd due is assisting with the first line
In situations where the 3rd due engine is assisting in getting the 1st line in operation, who does the officer notify (2 answers)
IC and 4th due engine officer