Chapter 5 Forcible Entry Flashcards
What factors are of primary importance when evaluating forcible entry operations at an incident?
Speed
Safety
Size of the opening
Windows are comprised of what three principle components?
Frame
Sash
Glazing
Why are glass-coating films used?
Energy conservation
Noise reduction
Protection from falling glass
What are the three primary components of security bars?
Horizontal bars
Vertical bars
Lag bolts
What are the major components of a door assembly?
Door
Jamb
Strike
Lock
What should you always do first before trying to force open a door?
Try opening the door
Where are the hinges located on outward-opening doors?
Exterior of the door and frame
A rotary saw that is primarily used for forcible entry operations should be carried with the blade in what specific position?
Outboard
As pertains to padlocks, what is heel-and-toe locking?
Both legs of the shackle are engaged. Both legs must be cut to open the padlock
How can chain-link gates be easily opened?
Separate hinges that are normally clamped to a post
At a minimum, what should a forcible entry size-up encompass? (5)
- Reason
- Location of emergency
- Construction of the obstacle
- Method
- Resources available
What should fire personnel constantly evaluate when performing forcible entry?
Speed vs. damage
What are the 3 methods of forcible entry?
- Conventional
- Through-the-lock
- Power tool
If a forcible entry operation requires significantly more than ___, or if acceptable progress in not being made, personnel should be flexible enought to try another method or tool or move to another site
5 minutes or so
What are the 6 types of glazing found in windows
- Plate–forms large sharp shards
- Heat strengthened–small shards
- Tempered–small chunks of crystalized glass
- Laminated–adheres to plastic
- Wired glass–wire tends to hold glass together
- Thermoplastic (plexiglas, lexan..)
What are the 4 basic types of windows?
Stationary
Sliding
Pivoting
Swinging
Polyester window films can be how thick?
4.0mm
Polycarbonate windows (lexan) are ___ stronger than safety glass.
250 times
What are the 4 basic styles of doors?
Swinging
Sliding
Overhead
Revolving
What are the 3 types of metal doors?
Kalemine
Hollow
Overhead
What is a Kalemine metal door?
Metal-clad with a thin metal covering over a solid wood core.
What is the construction of a hollow metal door?
14-16 gauge steel over steel ribs
What are the 4 types of overhead doors?
Rolling
Sheet
Curtain
Tilt-up
What type and thickness of glass do frame-less glass doors use?
Tempered glass about 3/4 inch thick
What should you evaluate before forcing a door? (9)
Safety Present condition Purpose Construction Direction of travel Security Time Force Involvement
When dealing with interior security bars, how is a rotary saw used?
Place cutting blade at 45 against bolt heads
What is breaching?
opening of walls
