1 / 89

Forcible Entry

Forcible Entry. Intermediate SFFMA Objectives: 2-02.01 4HRS Received. Sizing Up Door — Considerations. Locked/blocked door is primary obstacle in gaining access to building Critical issues Recognizing how door functions Knowing how constructed Knowing how locked. (Continued).

jerica
Télécharger la présentation

Forcible Entry

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. Forcible Entry Intermediate SFFMA Objectives: 2-02.01 4HRS Received

  2. Sizing Up Door — Considerations • Locked/blocked door is primary obstacle in gaining access to building • Critical issues • Recognizing how door functions • Knowing how constructed • Knowing how locked (Continued) Firefighter I

  3. Sizing Up Door — Considerations • Doors function in one of following ways • Swinging • Sliding • Revolving • Overhead (Continued) Firefighter I

  4. Sizing Up Door — Considerations • Size up • Try door to make sure locked before forcing —Try before you pry • If locked, begin additional size-up • Look at door and immediate surroundings • If no glass panel or side window, check whether swinging or another type (Continued) Firefighter I

  5. DISCUSSION QUESTION When should you break or open a window? Firefighter I

  6. Sizing Up Door — Considerations • If proves to be too well secured, look for another • Type of door and lock installed determine tools/techniques required to force Firefighter I

  7. Wooden Swinging Door Characteristics • Three types • Panel • Slab • Ledge • Most are panel or slab Firefighter I

  8. Panel Doors • Made of solid wooden members inset with panels • Panels may be wood or other materials • Panels may be held in place by molding that can be removed for quick access Firefighter I

  9. Slab Doors • Among most common • Two configurations • Solid core • Hollow core (Continued) Firefighter I

  10. Slab Doors • Most interior doors in newer residences are hollow core • Lightweight • Relatively inexpensive • Exterior slab usually solid core (Continued) Firefighter I

  11. Slab Doors • Most do not have windows, other openings • Raised panels purely decorative • Solid-core doors much more substantial, heavier, more expensive than hollow-core Firefighter I

  12. Ledge Doors • Also known as batten doors • Found in variety of occupancies • Planks fastened to horizontal, diagonal ledge boards • Lock with various locks Firefighter I

  13. Metal Swinging Door Characteristics • Classifications • Hollow metal • Metal clad • Tubular • Difficult to force • Most often set in metal frame (Continued) Firefighter I

  14. Metal Swinging Door Characteristics • Rigid, resist being penetrated • When set in metal frame, power tools almost always needed to open • Construction varies depending on intended use • When ordered to force, consider power tools Firefighter I

  15. Sliding Doors • Most residential sliding doors travel left or right • Those in retail businesses often travel in both directions (Continued) Firefighter I

  16. Sliding Doors • Operation • Do not actually slide • Small roller/guide wheel make easy to move • Some are pocket doors (Continued) Firefighter I

  17. Sliding Doors • More common type is assembly used in patio areas of residencies • Patio sliding doors may be barred or blocked by metal rod Firefighter I

  18. Revolving Doors • Made up of glass door panels that revolve around center shaft • Lock in various ways • All equipped with mechanism that allows locking open in emergency (Continued) Firefighter I

  19. Revolving Doors • Not all lock open in same way • Preincident surveys should locate revolving doors/identify how individual mechanisms work (Continued) Firefighter I

  20. Revolving Doors • Three types of mechanisms used to lock open • Panic-proof • Drop-arm • Metal-braced Firefighter I

  21. Overhead Doors • Wide variety of uses • Residential, commercial garage doors • Service doors at loading docks • Constructed of variety of materials • Wood • Metal • Fiberglass (Continued) Firefighter I

  22. Overhead Doors • Difficult to force open • Sectional doors • Tilt-slab doors • Roll-up doors • Telescoping doors Firefighter I

  23. Forcing Entry Through Overhead Doors • One of most common methods of cutting roll-up or sheet curtain door was to make triangular cut in center • Technique has fallen out of favor because it takes too long to cut, creates smaller opening than square or rectangular cut (Continued) Firefighter I

  24. Forcing Entry Through Overhead Doors • When must be forced, best to use rotary saw to cut square or rectangular opening about 6 feet (2 m) high and nearly full width • Once firefighters have interior access, should use lift mechanism to open fully Courtesy of Cedar Rapids (IA) Fire Department. Firefighter I

  25. DISCUSSION QUESTION What should be done with overhead doors during fire operations? Firefighter I

  26. Fire Doors • Movable assemblies designed to cover doorway openings in rated separation walls in event of fire in one part of building • Components (Continued) Firefighter I

  27. Fire Doors • Several standard types • May be manually, mechanically, electronically operated • May or may not be counterbalanced Firefighter I

  28. Fire Door Operation • Two standard means by which fire doors operate: self-closing and automatic-closing (Continued) Firefighter I

  29. Fire Door Operation • Vertical sliding are normally open but close automatically • Those that slide horizontally preferable to other types when space limited • Overhead rolling may be installed where space limitations prevent installation of other types (Continued) Firefighter I

  30. Fire Door Operation • Most interior do not lock when they close • Doors used on exterior openings may be locked • Precautionary measure is to block open door to prevent closing and trapping firefighters Firefighter I

  31. Mortise Lock • Designed to fit into cavity in door • Can be found on private residences, commercial buildings, industrial buildings Firefighter I

  32. Bored (Cylindrical) Lock • Installation involves boring two holes at right angles to one another: one through face of door, another in edge of door • One type is key-in-knob lock Firefighter I

  33. Rim Lock • One of most common in use today • Surface-mounted • Used as add-on lock • Found in all types of occupancies • Can be identified from outside Firefighter I

  34. Padlock • Portable or detachable locking devices • Two basic types • Standard • Heavy-duty Firefighter I

  35. DISCUSSION QUESTION Which type of lock do you think is the easiest to force? Why? Firefighter I

  36. Rapid-Entry Lockbox System • Can eliminate problems presented by locked doors • All necessary keys, combinations kept in lockbox • Lockbox located at high-visibility location on building’s exterior (Continued) Firefighter I

  37. Rapid-Entry Lockbox System • Only fire department carries key to open all boxes in jurisdiction • Proper mounting is the responsibility of property owner • Fire department responsibilities • Unauthorized duplication of key prevented Firefighter I

  38. Conventional Forcible Entry • Use of standard fire department tools to force doors, windows to gain access • Number of tools, tool combinations may be used Firefighter I

  39. Breaking Glass • One of fastest, least destructive techniques • Either glass in door or sidelight broken • Once glass broken, door can be unlocked from inside (Continued) Firefighter I

  40. Breaking Glass • In some situations, may be more difficult, expensive • Techniques for safely breaking glass Firefighter I

  41. Forcing Swinging Doors • Most common type is one that swings at least 90 degrees to open, close • Most have hinges mounted on one side permitting swinging in both directions • Can be inward, outward, both (Continued) Firefighter I

  42. Forcing Swinging Doors • Double-acting swinging doors swing 180 degrees • Forcing entry through all types of swinging doors involves basic skills Firefighter I

  43. Forcing Outward-Swinging Doors • Present problems for firefighters • Often possible to use nail set to drive hinge pins out of hinges and remove doors (Continued) Firefighter I

  44. Forcing Outward-Swinging Doors • May be possible to break hinges off with rambar or Halligan • Can be forced by inserting blade of rambar or Halligan into space between door and doorjamb and prying that space open wide Firefighter I

  45. Special Circumstances • Additional measures may need to be taken to force a door • Double-swinging doors • Doors with drop bars • Tempered plate glass doors Firefighter I

  46. Through-the-Lock Forcible Entry • Preferred for many commercial doors, residential security locks, padlocks, high-security doors • Very effective, does minimal damage • Requires good size-up of door and lock mechanism (Continued) Firefighter I

  47. Through-the-Lock Forcible Entry • Removing lock cylinder only half the job • Special tools may be needed A-Tool K-Tool J-Tool Shove Knife Firefighter I

  48. Forcing Entry with Padlocks • To force entry, either padlock or device to which fastened must be defeated • Conventional forcible entry tools can be used (Continued) Firefighter I

  49. Forcing Entry with Padlocks • Additional tools available to make forcible entry easier • Size-up of lock important Firefighter I

  50. Special Tools/Techniques for Padlocks • If shackle exceeds ¼ inch (6 mm) and lock, including body, is case-hardened, conventional methods may not work • Firefighters may need to use • Duck-billed lock breaker • Bam-bam tool Firefighter I

More Related