Questions and Answers
How can forcible entry be defined?
The act of entering by using force against opposition or resistance.
Another dimension of forcible entry is dependent on what?
Firefighter safety & the ability for the firefighter to exit the structure.
A forcible entry size-up begins when?
Long before an emergency.
Regardless of the type of forcible entry operation, success is depending on what?
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A prior knowledge of construction methods & security devices enable what?
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One of the most important considerations in formulating a forcible entry size-up is what?
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Factory (projected), hinged (hopper), or casement windows can best be opened by how?
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Jalousie windows consist of small glass sections about 4 inches wide. Normally they are __________.
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___________ can remove most barricades in the least amount of time & effort expended.
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If 4 carriage bolt heads are observed on the exterior of the barricade material, this is an indicator of what?
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Use a pickhead or flathead axe to strike the _________. Remember-top first, bottom last.
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In texts with a rotary saw, sledge, & pickhead axe, the axe was consistently able to allow removing security bars in the least amount of time from what?
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A key-and-knob lockset can be identified by what?
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The ______ is 1 of the oldest types of locking mechanisms in use, & is easily recognized by a locking mechanism that has been installed into a cavity in the edge of the door.
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When both types of bolts are used, a key must be inserted into the keyed cylinder & turned twice.The 1st turn activates the ______.The 2nd turn activates the _____.
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A rotary saw can often be positioned to cut the bolt between what?
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A rotary saw that is primarily used for forcible entry operations should be carried with the what?
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Since exit hardware cannot be accessed from the exterior by common forcible entry tools, an effective tool can easily be made from what?
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________ are commonly used to cover various types of openings, such as loading docks & garages in commercial structures.
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A common technique is to make a _________.
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Sectional doors will be addressed in what 2 categories?
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Remember that a rotary saw w/ a new 14 inch composite blade is limited to a maximum of a ______ depth of cut.
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The opening of walls is often referred to as breaching. It is an operation that is generally used as a last resort due to what?
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Study Notes
Forcible Entry Key Concepts
- Forcible entry refers to entering a structure using force against resistance or opposition.
- Firefighter safety is a crucial aspect of forcible entry, ensuring the ability to exit safely.
- Effective size-up for forcible entry starts long before an emergency occurs.
Factors Influencing Success
- Success in forcible entry operations relies on the collective result of judgment, experience, and available equipment.
- Knowledge about construction methods and security helps determine the most suitable point of entry, typically the weakest point.
Size-Up Considerations
- Important considerations include the size and number of required openings and exit points.
- Factory, hinged, or casement windows are best opened by breaking the lowest pane of glass to unlock the mechanism.
Types of Windows
- Jalousie windows, comprised of small glass sections, are the most challenging type to force open.
Tools for Barricade Removal
- Power saws, especially those with carbide teeth, can efficiently remove barricades with minimal effort.
- The presence of four carriage bolt heads indicates a barricade utilizing two two-by-fours for reinforcement, commonly known as a HUD window.
Techniques and Strategies
- For horizontal bars, using a pickhead or flathead axe is effective. Strike top first and bottom last to drive out lag bolts efficiently.
- A rotary saw or sledge can also be employed to remove security bars in wall structures.
Lock Mechanisms
- A common residential lock, the key-and-knob lockset, features a keyway in the doorknob.
- The mortise lock is one of the oldest types, recognized by its installation within a cavity in the door's edge.
Types of Bolts and Cutting Techniques
- A deadbolt and doorknob latch bolt often work together where two turns of the key activate each type of bolt.
- A rotary saw can effectively cut bolts positioned at the bottom of the door.
Tool Usage
- When using a rotary saw for forcible entry, it should be carried with the blade in the outboard position.
- Common exit hardware may require unique tools fashioned from materials like a car antenna or metal coat hangers due to accessibility constraints.
Door Types and Cutting Techniques
- Overhead doors are prevalent in commercial buildings for covering openings like loading docks and garages.
- A common forcible entry technique involves making a triangle, tee-pee, or inverted V cut in the door.
Door Categories and Limitations
- Sectional doors are classified as either ordinary or wind-resistant.
- A rotary saw with a new 14-inch composite blade can cut to a maximum depth of 5 1/2 inches.
Breaching Operations
- Breaching walls to create openings is typically a last resort, as it requires notable time and effort.
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Description
Test your knowledge with these flashcards from Chapter 6 of Truck Operations. Understand key concepts such as forcible entry and firefighter safety. Perfect for firefighters preparing for emergencies and improving their operational skills.
