High Rise Manual Flashcards
In Feburary of 1976 High Rise buildings that were occupied 75 ft above the lowest level of FD vehicle access was required to have what?
A Fire Control Room
Reaidential High Rise buikdinf are characterized by a what?
Center Hallway
Commerical High-Rises are characterized by a?
Center Core Construction Method (normally a elevator)
What can be used to show the true roof line on highrises with facades?
Rain Scuppers
The elevator control room is normally located?
On the roof
Windows that CAN be removed in highrises typically have a ______ or _______ in the bottom corner of the window.
Maltese Cross or fire helmet
Precense of an outward opening door in a high rise normally indicates?
An electrical or telephone room or some sort of closet.
What is accomadation stairwell?
Stairwell that leads from floor to floor within a single occupant space.
Prescence of a gate in a stairwell denotes what?
The last floor with an exterior enterance
Most standpipes found in interior applications are ______ systems?
Wet
Difference in Wet and Dry Standpipe systems?
Wet (the sprinkler line is charged with water all the time)
Dry (we supply the water from the fire engine)
After 1976 a hydrant shoukd be located within ____ ft of the standpipe and sprinkler FDC.
100
Define Mushrooming?
Smoke rises upward from fire floor until it reaches the roof/ceiling, the smoke than banks off the ceiling and migrates downward back toward the fire floor.
Define Stack Effect?
Natural movment of air within a tightly sealed building due to temp differences between the air on the inside a d outside of ths structure.
In this case Colder outside than it is inside.
What is reverse stack effect?
Same as stack effect except warmer outside than it is inside resulting in smoke possibly moving below the fire floor and settling.
Warmer outside than it is inside.
If wind driven fire conditions are present, NO ___________ should be performed until directed by command.
Horizontal Ventilation
Define Blind Elevator Shaft
Elevator that services certain floors, not all.
Fire Load for Residential High Rise: 10GPM/100 sqft
1 3/4 Line
Commercial High Rise: 20 GPM/ 100 sqft
What Hose Line would suffice for Commercial High Rise
2 1/2 in