*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
Fire in a OLT and a NLT with fire on 2 floors: How many extra units?
extra engine
extra truck
PS if progress is not made in a short period of time transmit a 2nd alarm.
If fire is in the shaft and it extends into a exposure, What does that become? How about it extends into 2 exposures?
1 exposure is 2nd alarm
2 exposures is a 3rd alarm
Who must make known to the IC and other FF the manner in which the floors and apartments are layed out either numbers or letters?
The first Officer
Piping containing flammable gas shall not be in stair enclosures or in shafts with a standpipe riser or public hallways leading to exits? What is done if this is found?
High Priority Referral
NEW
What do we do if gas meters are burning?
Let them keep burning. Wet down near by combustibles. Shut down the gas.
IF gas leak did not ignite, What do u do?
Shut off gas. Use fog line. Leak can be greatly stopped with stuffing rags, paper etc into the break.
PS do not do this for high pressure plastic pipes.
T/F Members must be warned if a outside stream is going to be used into a building?
MD 3.5.10 F
New
False
Except in extreme, lifesaving instances members must be warned and moved to a safe location before outside steams are directed into building. safe area verified by HT or person with IC.
OLT cellar fire. Where does the 1st line go?
1st fl to protect the stairs
OLT cellar fire. The 1st line will not down the interior cellar stairs unless? 2 things
MD 4.2.1 test point
no outside entrance to cellar at the front or rear of building.
fire is minor.
OLT. Horizontal and vertical vent is controlled by Who?
Horizontal vent by Ladder Officer in area to be vented.
Initial vertical vent by ladder officer
OLT store fire u should stretch a _____. The 2nd line goes where?
2 1/2
2nd line to entrance hallway. When assured the 2nd line is not needed on the 1st fl it may be advanced to the floor above.
PS not a back up line ?
What must be in place before the store is vented?
charged hoseline.
especially plate glass windows
In OLT store fires, What must be examined immediately?
1st fl public hallway
How do we attack a stairway fire?
PS vent roof extremely important
1st stretched up stairway operated to ext. shut down and further advanced. operate up well to cool hall and stairs. Repeat until all the way to the top. 2nd line finish ext ops and serve as protection. Apts checked.
Weakened,damaged or burnt out stairs the preferred ladder to use to reach upper parts of a building is _____?
extension
new
Air, light and dumbwaiter shaft fires a line should be stretched to the ______ from which water can be directed onto the shaft. Sufficient hose must be stretched to reach ________.
NEAREST Point
upper fls. of building
PS the base of a shaft maybe the roof of a building or ceiling of a cellar.
For fire in rooms in the vicinity of a shaft after the fire in the room has been ______, the line operated into the shaft to ______ the shaft fire before continuing through apt for knockdown and extinguishment.
Knockdown
Knockdown
PS no more control and extinguished is wring answer
(NEW)
When a cornice is involved in heavy fire does the cornice give way in 1 piece or in parts?
Either one. It can fail in pieces or as a whole.
Buildings in the rear usually NOT exposed there is a gap of
____ to _____ or more from the OLT
10 to 25 ft.
Be mindful heavy fire in the REAR, windows in the exposed building are open and wind blowing toward the exposed building.
SRO’s. Rooms MUST have access to stairs ____ fire escape without going through another person’s room.
and
U need both
SRO’s. Where do u need sprinklers?
Each room and Stairway
it says nothing about hallway
SRO’s. Do they have a roof tank?
Can the system be supplied by FD?
No roof tank.
Can not be supplied by FD.
Is supplied by city main.
Are SRO’s required to have an interior alarm?
Yes
Exit lights and signs must be provided
*Rear tenements are small in area may be _____ or ______
construction and range from ____ to ___ stories.
frame or non- fireproof ( a lot are frame)
2 to 5 stories
How do u get portables to rear tenements buildings.
Carried through the hallway of the front of the building.
May have to be raised utility rope up and over the front.
Is it ok to use ladders as a bridge between front and rear tenements.
yes
emergency measures bridge front tenement to rear
roof for vent purposes or rescue.
In _____, the word tenement was no longer used and is now called _______.
1929
apartment houses
H-Type exterior walls are masonry and generally brick. Interior partly or wholly of wood. Columns and girders are made of ________.
unprotected steel (BIG Difference?)
There are 3 structural elements that support the H-Type design?
Masonry bearing walls.
Wood beams that support the floors and roof.
Columns, beams and girders that connect and support.
PS older buildings have just wood and masonry.
Steel when heated it _____.
expands and substantially elongates.
High temps may cause it to fail.
Steels columns are vertical designed in a H type they are also known as ______.
Steel girders are horizontal designed in an “I” shape they are also known as _____.
channel rails.
I- beams.
NEW
H-Type. The most common roof has the top fl. ceiling ______ ft below the main roof beams.
several ft
(inverted not most common)
Spongy is bad. Springy is good.
*What type of stairs are usually located at points remote from each other but a person can go from one stair to the other via public hallway on all floors?
Transverse
PS a tremendous asset in heavy fire conditions on the top floor.
*What type of stairs 1 or 2 are located at the front and rear of each wing.
Wing stairs
PS the public hall does not transverse to the other wing of the “H”
*What type of stairs are usually ID by there individual entrances. Floor landings are recognized by there limited space and absence of a public hall?
Isolated Stairs
**Where do u find Channel Rails?
Often located in voids behind closets.
PS usually 1ft sq may be larger if waste pipes
**What is the main concern with channel rails?
Not fire stopped.
Voids can spread fire up or down.
**When fire is knocked down and u come across burned lath, what is the next step?
Check for the presence of these channel rails if present u must check locations above and below immediately
Who may come across the presence of pipe recesses?
Roof FF he might be able to line them up with the fire apt below.
If a waste pipe is hot to the touch, Who do u notify and what is the next step?
Officer and IC
Top FL examination immediately
The fire floor is also known as?
Fire Sector
The supervisor assigned to the fire sector is known as?
Fire Floor Sector Supervisor