9 Access Into Structures

Question 1

The most important and most versatile forcible entry tool is the

Answer 1

Rotary saw, aka rescue saw

Question 2

Rotary saws should not be used to cut metal when in the vicinity or presence of flammable gas or liquid because

Answer 2

Of sparks emitted during cutting

Question 3

If a rotary saw binds what should be done

Answer 3

Shut off saw until blade is freed

Question 4

Replace 12 tooth cold cutting blades when

Answer 4

Two or more teeth are damaged or worn down more than the other teeth or when tips are worn down to circumference of blade

Question 5

Replace a 24 tooth rotary wood blade when

Answer 5

Eight or more teeth damaged or worn, or tips worn to circumference of blade

Question 6

Replace concrete or mason rotary blades when

Answer 6

They are worn down to fit in a 8” circle

Question 7

5 point door size up for forced entry

Answer 7

Type of door, style material
Type of frame, wood metal
Type of wall door is set in, wood, metal, masonry
Types of hinges and locks, exposed, recessed, protected
Door mvnt, inward, outward, rolling, sliding

Question 8

To gain entry through a door firefighter should identify what

Answer 8

The weakness and exploit it

Question 9

A side light in a door is

Answer 9

A narrow window pane to the side of the door in the frame. Bcam be broken to access lock on inside.

Question 10

Panic hardware

Answer 10

Mounted on exit doors on public doors, that unlock from inside when pressure is applied.

Question 11

In smaller low occupancy buildings the exterior doors usually swing

Answer 11

Inward. , hinges inside.

Question 12

In larger occupancy buildings and commercial structures exterior doors swing.

Answer 12

Outward in direction of travel or exit, hinges outside.

Question 13

Doors with panic hardware may not have hardware on what side

Answer 13

Outside of door, may only have hinges and no handles or hardware.

Question 14

One of best tools for inward swinging door in metal frame

Answer 14

Rotary saw

Question 15

If the body is needed to force a door, the preferred method is

Answer 15

Mule kick, boot protects foot, strongest muscles in leg, wall protects from fire.

Question 16

On double doors a rotary saw can gain entry by

Answer 16

Plunge cutting through weather strip between doors and cutting locks.

Question 17

Forcing all doors of the building with significant fire is called

Answer 17

Softening the building.

Question 18

Many roll up doors do not have

Answer 18

An exterior latching machanism

Question 19

Sectional overhead doors are similar to

Answer 19

Residential garage doors, hinged horizontal panels with end wheels on tracks.

Question 20

Sheet curtain doors

Answer 20

Look like conventional steel roll up doors but are made of a few interlocking panels, function same way as conventional roll up

Question 21

Nfpa testing indicates that time available for escape form a burning building can be as little as

Answer 21

11 minutes from ignition

Question 22

Telescoping door

Answer 22

Made of a number of U shaped sections that nest inside one another as its pulled up. Raised with internal cables, no springs, counterweights .

Question 23

In many cases the fastest way to force entry into an industrial building is through

Answer 23

A pedestrian door

Question 24

Triangle cut is aka

Answer 24

Teepee cut

Question 25

Triangular cuts can be problematic because

Answer 25

Openings aren't usually large enough for fire attack, only escape or access to locks. May bend or distort the door preventing it from rolling up

Question 26

Apex (tip) of the triangle cut should be how tall

Answer 26

6' or more, sides at 45 degrees

Question 27

Triangle cuts are not recommended for what type of doors

Answer 27

Telescoping

Question 28

Alternative cut to the triangle method for roll up sheet or curtain doors

Answer 28

Tall vertical cut, removing slats from both sides of the cut.

Question 29

Once slats are removed from both sides of the vertical roll up cut what Halle s next if the mechanism is unlocked

Answer 29

The upper remaining part of the door will roll up.

Question 30

For telescoping door cuts what must be done after cutting the outer skin

Answer 30

Cut through the inner skin

Question 31

The quickest way through high security Institutional doors is

Answer 31

With assistance from institutional staff.

Question 32

Best way to overcome door security devices or security systems

Answer 32

Id them in pre plan

Question 33

Rotary saws can be used to cut blind bolts holding security bar saddles by

Answer 33

Lung cutting through the bolt, by diving the. Blade next to the bolt face and at a 45 toward the shaft of the bolt.

Question 34

For panic hardware a chain saw can be used to open form the outside by

Answer 34

Using a carbide blade, cut through the door, and then use the bar to manipulate the hardware open

Question 35

If there are multiple locks on the jam side firefighters can open the door with a rotary saw by

Answer 35

Making a vertical cut in the door from header to base on the other side of the locks and swing it open freely

Question 36

For gaining access, through what may be the fastest means of forcing entry

Answer 36

Windows

Question 37

Leaded or stained glass in terms of forced entry is

Answer 37

Sometimes priceless works of art and should be protected if at all possible

Question 38

Because of the ventilation changes made when opening or breaking a window, what is preferred

Answer 38

Opening over breaking, to control ventilation if need be

Question 39

Window size up factors

Answer 39

``` Type of window Type of glass Frame or casement Locking or latching mechanisms Type of security devices used ```

Question 40

Types of windows

Answer 40

``` Double hung, checkrail Hinged, casement Projected, factory Awning and jalouise Hurricane Hugh security ```

Question 41

If using an axe to break a window you should use what side

Answer 41

The flat head side

Question 42

When using a tool to break glass, how do you hold it

Answer 42

Hold it with the handle higher than the head, or head down, so that glass doesn't slide down the handle

Question 43

Glass should be broken inward to avoid

Answer 43

Flying guillotine, severing hose lines below

Question 44

With glazed or shatter resistant glass, it may be faster to do what rather than break the window

Answer 44

Remove the frame

Question 45

polycarbonate plastic that is 30 times stronger than safety 250 more than regular and stronger than plexiglas

Answer 45

Lexan

Question 46

Fastest way to cut security bars or screens over windows is

Answer 46

To cut the attachment points rather than every bar. Bolt heads with rotary saw or halligan under and pry off

Question 47

Thermoplastic windows

Answer 47

Plexiglas acrylic, Lexan polycarbonate

Question 48

Most effective way through thermoplastic windows

Answer 48

Rotary saw with medium, 40 tooth, carbide tip blade

Question 49

Plexiglas entry method, but doesn't worth with Lexan, in absence of rotary saw

Answer 49

Scoring large x in the windows with pic of axe, striking the center of the x, or sledgehammer in middle, if not break may bend out of frame.

Question 50

Laminated glass windows can be removed by

Answer 50

Cutting them out like a car windshield

Question 51

Wired glass windows can be removed how

Answer 51

Similarly to laminated

Question 52

Film coated glass can be removed how

Answer 52

Like laminated, with care the pane doesn't fall on them

Question 53

Shuttered (roll up steel) windows can be removed by

Answer 53

Same method as roll up overhead doors

Question 54

Most common tools for wall breach

Answer 54

Rotary saw, chain saw, battering ram, sledgehammer, concrete breaker (jackhammer), air chisel

Question 55

During wall breach what is a critical part of the ppe

Answer 55

Eye protection

Question 56

One of the fastest ways to make an opening in an exterior wall is

Answer 56

By cutting two vertical cuts, one on either side of a window and folding down.

Question 57

The building utilities should be secured prior to cutting through an exterior wall because

Answer 57

The risks of cutting through wires or plumbing.

Question 58

Identifying a full thickness, (un reinforced masonry URM) brick wall

Answer 58

By the header course, bricks placed with small ends facing out, as opposed to the wythes, with long sides facing out

Question 59

Breaching poured concrete walls in generally considered

Answer 59

Too time consuming unless in a collapse or rescue situation. Much more difficult than other walls

Question 60

Tools that are ineffective on poured concrete walls

Answer 60

Manual tools, battering rams and sledgehammers

Question 61

Knockout panel in concrete walls

Answer 61

A removable concrete section for making a large opening of needed to move things in and out of building, can be breached by cutting the seams with a saw

Question 62

Bricked up windows that are no longer used in masonry walls are

Answer 62

Easier to break through than the walls

Question 63

Rebar in reinforced concrete can be removed using

Answer 63

Hydraulic cutters, rotary saw, torch or other Exothermic device

Question 64

Lightweight metal wall panels can be removed, time permitting, by

Answer 64

Removing screws