Ch 9 Access Into Structures Flashcards
Scientifically controlled fire test conducted by the NFPA indicate that the time available for escape from a burning building can be as little as _____ minutes after ignition due to heat buildup in a confined space such as a bedroom
11
While all of the standard forcible entry tools are important, one of the most important and most versatile forcible entry tools is the _______, sometimes referred to as rescue saw
Rotary saw
In some fire departments, pre-incident planning information on exterior doors is supplemented during incidents with a door size up process. This process includes a quick _____ size up that will indicate the tools and techniques needed to force entry through any particular door
5-point
Door size up process
Type of door Type of frame Type of wall Type of hinges and locks Door movement
________ . Groove cut in the surface or on the edge of a board to receive another member
Rabbet
A rotary Saw equipped with a metal cutting blade is one of the best tools to use for forcing in inward swinging metal door set in a metal frame. The blade can be plunged through the_______ or doorstop to cut the deadbolt
Rabbet
It is SOP in some departments to force open all doors into a structure sometimes called _____ when there is significant fire inside
Softening the building
One of the most common types of industrial and institutional service doors that firefighters may have to force open is the______ door
Steel roll up
Other common industrial institution rollup service doors consist of a number of horizontal panels connected by hinges. Sometimes called _________ doors, they are merely larger versions of some residential garage doors
Sectional
Instead of dozens of individual interlocking slats, ______ doors are made up of a few interlocking flexible panels of relatively light gauge metal
Sheet-curtain
Another type of industrial institutional service door is called a _____ door. These doors consist of a number of interlocking, inverted U-shaped metal sections
Telescoping
One of the most common methods of cutting through a rollup for sheet curtain door is to make a large ______ in the center of the door
Triangular cut
_____________. Triangular opening cut in a roll up or tilt slab door to provide access into the building or a means of egress for those inside
Triangular cut
The triangular cut is most often made with a rotary saw equipped with a metal cutting blade. The Apex of a triangle should be at least ______feet high in the middle of the door
6
Triangular cuts are not recommended for ____ doors
Telescoping
If fire conditions inside and exterior rollup or sheet curtain door make a single cut in the center unsafe to use, an alternative is to make a horizontal cut across nearly the full width of the door, stopping about ________ foot from the door frame on each side
1
If firefighters know that a door has several deadbolts installed, they will also know to cut the door from the top to bottom about______ foot from the edge on the doorhandle side
1
When working above ground, windows should be broken ______ whenever possible to avoid the flying guillotine hazard that may cut hose lines and injure anyone working below
Inward
Some of the most common types of window security systems are rigid ______ attached to the outside of the building
Metal grilles
Modern security windows are more likely to have panes made of_______, a poly carbonate plastic that is many times stronger than safety glass or plexiglass of the same thickness
Lexan
A rotary saw with a medium________ blade is most effective when entry must be made through all types of plastic windows
Carbide tipped
Rotary rotary is the only fire service tool that will cut_____ poly carbonate
Lexan
Shattering a ______ window is done by scoring a large X on the pane and then striking the intersection of the X with the point of a pick head axe
Plexiglas
______ exterior walls often contain electrical wiring and or piping for natural gas or LPG
Hollow
The exterior walls of some older residences, warehouses, and former military buildings are covered with large______ shingles over plywood or planking
Asbestos
Double course brick walls also called ______ can usually be identified by certain bricks or courses being laid perpendicular to the other courses
Unreinforced Masonary
Sometimes called blowout panels, __________ are large sections of concrete walls that are designed to be removable so that large vehicles or machinery can be brought into or removed from the building
Knockout panels
Lexan is a poly carbonate plastic used for windows. It has 1/2 the weight of an equivalent sized piece of glass, yet it is 30 times stronger than safety glass and______ stronger than ordinary glass
250 times
Scientifically controlled fire test conducted by the NFPA indicate that the _____from a burning building can be as little as 11 minutes after ignition due to heat buildup in a confined space such as a bedroom
Time available for escape (TAE)
In some fire departments, pre-incident planning information on exterior doors is supplemented during incidents with a ______
Door size up process
The exterior doors in some commercial buildings are ____ doors; that is, they swing both inward and outward on pivot pins top and bottom
Double acting
Many residential and some commercial buildings have large ______ that tilt up to open
Single piece slab doors
______ Doors pivot on spring assisted hardware attached to the door frame on each side
Slab
_____ Doors are found wherever large unobstructed wall openings are needed, such as at loading docks
Service
________ Doors often appear similar to traditional rollup doors
Sheet curtain
Many rollup doors have a _____ in close proximity
Pedestrian door
Some older warehouses and similar buildings have ______ doors
Single or double panel horizontal sliding
Some large industrial buildings, such as aircraft hangers, have heavy duty ____ doors
Bifold
The ______ typically does not create an opening large enough for access by fire attack crews
Triangular cut
Size up for windows
window, glass, frame or casement, locking or latching mechanism, security devices
If using an axe to break the window, the fire fighter should strike the window with the ________
Flat side of the blade
If using an axe to break the window, the firefighters should strike the window with the flat side of the blade. Regardless of which tool is used, the handle should be held ______ to prevent glass from sliding down the handle toward the fire fighter
Higher than the blade
When working above ground, windows should be broken inward whenever possible to avoid the _______ hazard that may cut hose lines and injure anyone working below
Flying guillotine
To remove security screens or bars from windows, the fastest way is to _____ rather than cutting each individual bar
Cut the points of attachment
A _____ is the only fire service tool that will cut Lexan poly carbonate
Rotary saw
A rotary saw with a medium carbide tipped blade is most effective when entry must be made through ____ types of plastic windows
All
Some security windows are glazed with _______ similar to that in automobile windshields
Laminated glass
Shattered ____ Glass often stays in place after it is broken
Laminated
Film coated glass often breaks in the same manner as ______ glass
Laminated
________ walls are much more difficult to breach than other types of walls, but if deemed necessary, it can be done
Poured concrete
Sometimes called ________, Knockout panels are large sections of concrete walls that are designed to be removable so that large vehicles or machinery can be brought into or removed from the building
Blowout panels
Like roll up doors, telescoping doors are operated by ______ mechanisms at one side of the doorway opening
Chain hoist
A type of glass consisting of two layers of glass with a transparent layer of vinyl bonded into the center
Laminated glass
The ____ Cut typically does not create an opening large enough for access by fire attack crews
Triangular
