*Multiple Dwellings* Flashcards
What is this called: the ext. of fire, via the exterior of the building, from a fire originating in the same building?
Auto exposure
PS this is a urgent message
2 enclosed stairs separated by rated walls contained in a single stair shaft. May be installed in MD’s rather than requiring stairs to be remote and are 2 separate exits. What type of stair?
Scissor Stairs
PS the exit doors are placed no less than 15’ apart in the public hallway. Sometimes open directly into apts.
What type of construction are OLT’s?
Class 3, non-fireproof
Brick walls, wood floor beams and wood floors
Where is the stairway to the cellar located in OLT’s?
Located in the building usually beneath the interior stairway.
PS NLT’s it is by way of exterior stairs
OLT building has 4 windows per fl. and no front F.E. usually indicates?
Railroad flats with a rear F.E.
Exception corner buildings
OLT building has 4 windows per fl. and a front F.E it usually indicates?
3 to 4 apts per floor and a rear F.E.
What is the ever dangerous type of OLT?
OLT railroad flats whose secondary means of egress is a front F.E.
NLT’s the 1st fl. cellar ceiling is made of ?
fireproof construction and unpierced
NLT’s. The interior stairs are ______ and enclosed in partitions of fireproof construction. Apt doors are constructed of ______.
fireproof
fire resistant materials.
*NLT’s 1916-1929. To avoid being built of fireproof construction are broken up into areas of _____ sq ft. or less.
2500 (after 1929 broken into 3000 sq ft)
*PS there is a DIVIDING wall that only goes as high as the ceiling of the top floor before 1929. Large cockloft.
NLT’s 1916-1929. Unprotected ______ beams are used to support some of the floor joists. These ____ ____ are supported by vertical steel columns which run the height of the building.
steel beams
steel beams.
NLT’s 1916-1929 do they have dumbwaiters?
Yes they are located in the apts.
Most cases 2 apts share 1 dumbwaiter.
Firewalls
Before 30’s?
30’s?
40’s?
*ACRO- CUT
before 30’s- ceiling of the top fl
30’s - underside of roof boards
40’s- top of roof boards
NLT’s. How do u access the basement?
Entrance to basement by side or rear door at that level accessed via ext. stair from 1st fl. or through a passage way located in the front of the building.
Scissor stairs in the smaller 4 to 6 story fireproof buildings usually have ___ fireproof stairway which may be ____ or ____ and runs from _____ to _____.
open
enclosed
1st fl to roof
PS minimum 15ft apart
What is the exception for stretching the 1st line into the building?
FLAME issuing from the windows onto the F.E. Then the 2nd line would go inside.
T/F All assigned engines and squads shall locate, test and confirm a positive water source?
False
only squads assigned as engines.
(it does not say hook up)
When would u use a line on a roof?
Prevent fire from extending past trench.
Protect exposures.
Ext fire that can not be reached from below. ex cornice
What is the main purpose of stretching the 1st line into the building?
Safe guard the stairway so it can be used by escaping occupants.
Where does the 2nd line go in a MD fire?
To the fire floor as a back up if not needed go above.
PS 3rd line use F.E. or rope stretch especially on OLT’s
Who carries the K tool?
Ladder officer or forcible entry FF
In MD’s, Who controls horizontal vent?
The ladder Officer operating in the FIRE AREA.
Window should be opened ____ from the top and opened ____ from the bottom.
2/3 top
1/3 bottom
No material from windows shall be thrown into?
set backs
narrow shafts
enclosed shafts