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2. Firestop - Wikipedia

   en.wikipedia.org/wiki/Firestop

   They receive a fire rating by combining materials in an arrangement specific to the item (a pipe or cable, for example) penetrating the fire-rated wall or floor and the construction arrangement of the fire-rated wall or floor. A two-hour-rated pipe-penetration firestop may consist of a layer of caulking over packed mineral wool. The arrangement ...

3. Firewall (construction) - Wikipedia

   en.wikipedia.org/wiki/Firewall_(construction)

   There are three main classifications of fire rated walls: fire walls, fire barriers, and fire partitions. A firewall is an assembly of materials used to delay the spread of fire a wall assembly with a prescribed fire resistance duration and independent structural stability. This allows a building to be subdivided into smaller sections.

4. Officer's tool - Wikipedia

   en.wikipedia.org/wiki/Officer's_tool

   An officer’s tool (also known as an A-tool, rex tool, or lock puller) is a forcible entry device used by firefighters and other first responders. Officer’s tools are designed to completely remove cylindrical locks from doors without causing major structural damage, allowing for direct access to the internal locking mechanism.

5. Penetration (firestop) - Wikipedia

   en.wikipedia.org/wiki/Penetration_(firestop)

   A penetration, in firestopping, is an opening, such as one created by the use of a cast-in-place sleeve, in a wall or floor assembly required to have a fire-resistance rating, for the purpose of accommodating the passage of a mechanical, electrical, or structural penetrant. [1] The penetration may or may not contain a firestop system.

6. K-tool - Wikipedia

   en.wikipedia.org/wiki/K-tool

   The K-tool, also known as a "K-spreader" or a "K-tool spreader," is a specialized forcible entry tool used by firefighters to gain access to buildings or other structures in emergency situations. It is named for its distinctive "K" shape, which allows it to be used for a variety of purposes. [ 1 ]

7. Controlled Impact Rescue Tool - Wikipedia

   en.wikipedia.org/wiki/Controlled_Impact_Rescue_Tool

   Controlled Impact Rescue Tool, or CIRT, is a concrete breaching tool produced by Raytheon, that is capable of providing Urban Search & Rescue (USAR) teams with the ability to penetrate a reinforced concrete wall up to four times faster than traditional methods. [1] [2] [3] [4]

8. Annulus (firestop) - Wikipedia

   en.wikipedia.org/wiki/Annulus_(firestop)

   Sprinkler branch pipe through-penetration with plastic sleeve - missing firestop in concrete fire separation. The space between the sleeve and the pipe is the annulus or annular space The annulus , or annular space , is the space between a penetrant and anything that surrounds it, such as the sides of an opening or a sleeve , as the case may be ...

9. Passive fire protection - Wikipedia

   en.wikipedia.org/wiki/Passive_fire_protection

   Fire-resistance rated wall assembly with fire door, cable tray penetration and intumescent cable coating. Passive fire protection (PFP) is components or systems of a building or structure that slows or impedes the spread of the effects of fire or smoke without system activation, and usually without movement. [1]