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Chicago O'Hare International Airport Division
3rd District Under Command of Deputy District Chief 2-1-23 and Battalion Chief 6 (BC6)
ALS = Advanced Life Support
Special
Squad 7 (Heavy Rescue)
Squad 7A (Mini-Pumper)
5-7-3 (Rehab. Unit)
8-8-1A (Mass Casualty/EMS Support Unit)
9-2-4 (Mobile Ventilation Unit)
Map views and satellite views are not guaranteed to be accurate unless they are marked CONFIRMED. Many of the reports represent early dispatch information, which may be incorrect. Not all reports are updated with the correct information.
Map views and satellite views are not guaranteed to be accurate unless they are marked CONFIRMED. Many of the reports represent early dispatch information, which may be incorrect. Not all reports are updated with the correct information.
Deerfield-Bannockburn (DEER)
Chiefs 2000 & 2001
Station 19 ENG 19, SQD 19
Station 20 BN 20, ENG 20, TRK 20, SQD 20, UTILITY 20, AMB 20
Des Plaines (DESP)
Chiefs 60 & 70 & 80, BN 9
Stations 1 ENG 61, TRK 81, DIVE SQD & BOAT 78
Stations 2 ENG 62, HAZMAT 79, AMB 72
Stations 3 ENG 63, TRK 83, TRT SQD 55, AMB 73
Evanston (EVAN)
HQ Chiefs 2100 & 2103 & 2104 & 2105
Station 21 BN 21, ENG 21, WR 21
Station 22 ENG 22, TRK 22, WR 22
Station 23 ENG 23, TRK 23
Station 24 ENG 24
Station 25 ENG 25
Glencoe (GCOE)
Chiefs 3000 & 3001
Station 30 BN 30, ENG 30, SQD 30, SQD 33, AMB 30, BOAT 30
Glenview (GLVW)
Chiefs 600 & 601 & 602
Station 6BN 6, ENG 6, AMB 6
Station 7ENG 7, AMB 7
Station 8ENG 8, AMB 8, DIVE SQD 8/BOAT 8
Station 13 ENG 13
Station 14 TRK 14
Highland Park (HIPK)
Chiefs 3300 & 3301
Station 32 ENG 32, AMB 32
Station 33 BN 33 TRK 33
Station 34 ENG 34, AMB 34, DIVE RESCUE 34/BOAT 34
Highwood (HIWD)
Chiefs 3700 & 3701
Station 37 BN 37, ENG 37, TRK 37, AMB 37
Lincolnwood (LNWD)
Chief 1500
Station 15 BN 15, ENG 15, TRK 15, AMB 15
Morton Grove (MTGR)
Chief 400
Station 4 BN 4, ENG 4, SQD 4 (with cascade), AMB 4
Station 5 ENG 5, AMB 5
Niles (NILE)
Chiefs 200, 201
Station 2 BN 2, ENG 2, TRK 2, AMB 2
Station 3 ENG 3, AMB 3
Northbrook (NBRK)
Chiefs 1100 & 1101, 1001
Station 10 ENG 10, AMB 10, DIVE SQD 10
Station 11 BN 11, ENG 11, AMB 11, LIGHT TRK 10
Station 12 ENG 12, TWR 12, SQD 12, AMB 12
Northfield (NFLD)
Chiefs 2900, 2901
Station 29 BN 21, ENG 29, TRK 29, SQD 29, AMB 29, UTILITY 29, R 29, MABAS ATV
North Maine (????)
Chief 100
Station 1 BN 1, ENG 1, AMB 1, UTILITY 1
Park Ridge (PKRG)
Chiefs 3500, 3501
Station 35 ENG 35, SQD 35, AMB 35, BOAT 35
Station 36 BN 35, ENG 36, TRK 36, AMB 36
Prospect Heights (PHTS)
Chiefs 900, 901, 902
Station 09 BN 9, ENG 9, TRK 9, SQD 9 (cascade), BOAT 9, TANKER 9
Station 39 ENG 39, AMB 39
Skokie (SKOK)
Chiefs 1600, 1601, 1602
Station 16 BN 16, ENG 16, TRK 16, AMB 16
Station 17 ENG 17, AMB 17, R-17, UTILITY 17
Station 18 ENG 18, TRK 18, AMB 18, SQD 18
Wilmette (WILM)
Chiefs 2600, 2601
Station 26 BN 26, TRK 26, SQD 26, AMB 26, UTILITY 26, BOAT 26
Station 27 ENG 27, AMB 27
Winnetka-Kenilworth (WINN)
Chiefs 2800 & 2801
Station 28 BN 28, ENG 28, TRK 28, AMB 28, UTILITY 28
Map views and satellite views are not guaranteed to be accurate unless they are marked CONFIRMED. Many of the reports represent early dispatch information, which may be incorrect. Not all reports are updated with the correct information.
ABBO Abbott Laboratories ATIO Antioch Fire Department BARN Barrington Fire Department BCPK Beach Park Fire Department BFGR Buffalo Grove FD CTYD Countryside FPD FXLK Fox Lake Fire Department GRLK Grayslake FPD GURN Gurnee Fire Department KNWD Knollwood Fire Department LBVL Libertyville Fire Department LGRV Long Grove FPD LINC Lincolnshire-Riverwoods FD LKBL Lake Bluff Fire Department LKFR Lake Forest Fire Department LKVL Lake Villa Fire Department LKZU Lake Zurich Fire & Rescue MUND Mundelein Fire Department NCHI North Chicago FD NTCN Great Lakes FD NWPT Newport Township FD RDLK Greater Round Lake FPD WAUC Wauconda Fire Department WAUK Waukegan Fire Department WHBR Winthrop Harbor FD ZION Zion Fire Department
Algonquin LITH FPD Cary FPD Crystal Lake Fire / Rescue Fox River Grove FPD Harvard FPD Hebron FPD Huntley FPD Lakewood FD Marengo FPD Marengo Rescue McHenry County EMA McHenry Twp FPD Nunda Rural FPD Richmond Twp FPD Spring Grove FPD Union FPD Wonder Lake FPD Woodstock FRD
Cortland FPD DeKalb Fire Department Genoa Kingston Rescue Squad Genoa-Kingston FPD Hinckley FPD Kirkland RPD Lee FPD Leland FPD Malta FPD Maple Park FPD Shabbona FPD Somonauk FPD Sycamore Fire Department Waterman FPD
Associate Members/Div. 6 Monroe Center FPD Rochelle FD Sandwich FPD
Kankakee County Aroma FPD Bourbonnais FPD Bradley Fire Department Cabery FPD Chebanse Township FPD Essex FPD Grant Park Fire Department Kankakee Township FPD Kankakee Fire Department Limestone FPD Manteno FPD Momence FPD Otto Township FPD Papineau FPD Pembroke FPD Pilot Township FPD Reddick Community FPD St. Anne FPD Salina Township FPD
Division 8
Belvidere Fire Department Blackhawk FPD Boone County #2 North Boone County #3 Byron Fire Department Capron FPD Cherry Valley FPD Durand FPD Genoa-Kingston FPD Harlem-Roscoe FPD Loves Park Fire Department Monroe Center FPD New Milford FPD North Park FPD Northwest FPD Pecatonica FPD Rockford Airport Fire Department Rockford Fire Department Rockton FPD Seward FPD Shirland FPD South Beloit Fire Department Stillman FPD West Suburban FPD Winnebago FPD
OKBK Oak Brook FD OBTR Oak Brook Terrace FPD Roselle FD VLPK Villa Park FD WARN Warrenville FPD WEGO West Chicago FPD WEAT Wheaton FD WFLD Winfield FPD WOOD Wood Dale FPD
YRKC York Center FPD
Division 13
Aurora Fire Department Batavia Big Rock Burlington Elburn Fermilab Geneva Hampshire Hinckley Kaneville Maple Park Montgomery Pingree Grove Saint Charles South Park Sugar Grove
Division 14
Bristol Kendall Lisbon-Seward Little Fox Millbrook Newark Oswego Plano Platteville Sandwich
BRAC Braceville Fire Department BRAD Braidwood Fire Department CHNO Channahon Fire District COAL Coal City Fire Protection District CUST Custer Fire Protection District GARD Gardner Fire Department Northwest Homer JOLT Joliet Fire Department MAZN Mazon Fire Protection District MINO Minooka Fire Protection District MORS Morris Fire Protection District PLFD Plainfield Fire Department ROCK Rockdale Fire Protection District SNCA Seneca Fire Protection District SWIL South Wilmington FPD TROY Troy Fire Dept VENA Verona-Kinsman FPD WEMA Will County EMA WMIN Wilmington Fire Department EQUI Lyondell/Equistar
Cedarville FPD Dakota FPD Davis FPD Freeport FPD Freeport Rural FPD German Valley FPD Lena Fire FPD Orangeville FPD McConnell FPD Pearl City FPD Rock City FPD Winslow FPD
Byron FPD Dixon Rural FPD Forreston FPD German Valley FPD Leaf River FPD Lynn-Scott-Rock FPD Monroe Center FPD Mount Morris FPD New Milford FPD Ogle-Lee FPD Oregon FPD Polo FPD Rochelle FPD Stillman FPD
East Joliet Fire Department Elwood Fire Department Frankfort Fire Department Homer Fire Department Lockport Fire Department Manhattan Fire Department Mokena FPD New Lenox Fire Department Orland Fire Orland Dispatch Palos Fire Palos Heights Peotone Southwest Central Dispatch SWCD
Division 20
BLWD Bellwood FD
BERK Berkeley FD BENV Bensenville FD BRDV Broadview FD ELPK Elmwood Park FD FRPK Franklin Park FD HLSD Hillside FD LEYD Leyden Tsp FPD MAWD Maywood FD MLPK Melrose Park FD NTLK Northlake FD NOPK Norwood Park FD RVGR River Grove FD RSMT Rosemont FD SHPK Schiller Park FD STPK Stone Park FD WECH Westchester FD Division 21 mabas21.org
Bedford Park Bridgeview Burbank Central Stickney Chicago Ridge Evergreen Park Hometown North Palos Oak Lawn Roberts Park (Hickory Hills & Justice) Summit Willow Springs Worth
Burnham FD Calumet City FD Country Club Hills FD Dolton FD East Hazel Crest FD Flossmoor FD Glenwood FD Harvey FD Hazel Crest FD Homewood FD Lansing FD Lynwood FD Markham FD Munster FD Oak Forest FD Phoenix FD Riverdale FD South Holland FD Thornton FD Tinley Park FD
DEFUNCT
Yorkfield (Division 12)
Map views and satellite views are not guaranteed to be accurate unless they are marked CONFIRMED. Many of the reports represent early dispatch information, which may be incorrect. Not all reports are updated with the correct information.
Map views and satellite views are not guaranteed to be accurate unless they are marked CONFIRMED. Many of the reports represent early dispatch information, which may be incorrect. Not all reports are updated with the correct information.
Friday May 2, 2014 5:37 PM ...
Google is switching their maps to a new version. Some of it is improved, such as Street View, but some things aren't so good currently. In the beta version, for example, Google says they are getting rid of their little ruler in the lower left, which is (was) a great tool for estimating the size of a warehouse, etc. during a structure fire. Their new maps format is also more cumbersome. It takes more clicks to get to the traffic status and the markings aren't as bold. Also, Google maps links that are pre-made for EBTS and CHICAGOFIREMAP.NET to show traffic, display properly on the classic (old) maps but do not display traffic automatically on the new maps version. Currently EBTS and CHICAGOFIREMAP.NET is linking for the classic maps (old version), but if an when Google totally switches over, we will try to change so the links will automatically show traffic markings for the new version of Google Maps.
If you would like to report an issue or make a comment about this topic, please comment on Facebook.com/CardinalEmergencies here ...
Map views and satellite views are not guaranteed to be accurate unless they are marked CONFIRMED. Many of the reports represent early dispatch information, which may be incorrect. Not all reports are updated with the correct information.
Added terms beyond CFD definitions are italicized. Ambulance Assist Run/Call - A call in which basic or advanced EMS care is rendered to an ill or injured person.
Apparatus - The name given to fire engines, fire trucks, paramedic ambulance and other motorized equipment.
Arson - The crime of maliciously (or perhaps recklessly) setting fire to property, especially a dwelling. Punishable in various degrees, depending upon the circumstances.
Backdraft - A fire phenomenon caused when heat and heavy smoke (unburned fuel particles) accumulate inside a compartment, depleting the available air. Then, when oxygen/air is re-introduced, completing the fire triangle and causing rapid combustion.
Bangor - This is a 50 foot, or larger, ladder that has "tormenter poles" to assist in the raising and to stabilize the sides. It is our largest stand-alone ladder.
Bank Down - What the smoke does as it fills a room, banks down to the floor, creating several layers of heat and smoke at different temperatures – the coolest being at the bottom.
Battalion - A number of fire stations in a geographical area. The city is divided into 24 Battalions.
Battalion Chief - The supervisor of the firehouses in the battalion and acts as incident commander for fires in his/her battalion.
BLEVE - Boiling Liquid Expanding Vapor Explosion. Explosion of a pressure tank containing an overheated material when the vapor expansion rate exceeds the pressure relief capacity (e.g., steam boiler or propane tank). If the contents are flammable, the rapidly released vapor may react in a secondary fuel-air explosion.
Box Alarm / Box Card - Developed from a card system which listed the companies that were due to respond on an alarm. This comes from the old practice of transmitting fire alarms through a telegraph system.
Bunkroom - A bedroom or sleeping area.
Candidate - A new firefighter on employment probation (a period of time during which his or her skills are improved, honed, tested, and evaluated).
Captain - An officer responsible for their crew of firefighters as well the firehouse itself and all members on all shifts at their assigned firehouse.
Charged Line - Filling or using a fire hose line that is full of water.
Chicago Bar - A forcible entry tool created in Chicago to assist in forcing of doors, bars etc.
Cockloft - Structural space above the ceiling and below the rafters, often connecting adjacent occupancies and permitting fire to spread laterally, often unseen.
Collapse Zone - Estimated as an area one and a half times the height of the fire building where a wall may fall. Fireground operations should not be conducted within the collapse zone. Corners of the building are the safest place for operations.
Crew - The group of personnel consisting of an officer, firefighters or paramedics assigned to a fire apparatus or ambulance.
Crosslay - Arrangement of hose on an engine such that it can be quickly unloaded from either side of the apparatus; often pre-connected to a pump outlet and equipped with a suitable nozzle.
Deck Gun - A large water nozzle attached to the top of the engine. Deck guns deliver larger amounts of water than hand-held hose.
Defensive Operations - This is a fire ground strategy based on firefighter safety and the protection of exposures. The goal is to simply confine the fire to the building/area of origin. No aggressive interior firefighting operations take place in the defensive mode, usually due to safety concerns for entering the building.
District - Geographical areas comprised of numerous battalions. The city is divided into 5 districts, including the airports.
Drill - Training during which an emergency is simulated and the trainees go through the steps of responding as if it were real, or practicing particular skills to enhance a member’s ability to perform the skill during an emergency.
EMS - Emergency Medical Service.
Engine - A motorized apparatus that has a pump, a 500-gallon water tank and hose. Often called a pumper.
Engineer - The member who drives the fire engine during routine driving and during emergencies. Also operates the pumps to deliver water through the fire hoses.
Evacuation - Removal of people from a dangerous area, in particular, a Hazmat incident, burning building, or other emergency. Also refers to act of removing firefighters from a structure in danger of collapsing.
Exposure - Property near fire that may become involved by transfer of heat or burning material from main fire, typically by convection or radiation. May range from 40 feet to several miles, depending on size and type of fire or explosion.
Extra Alarm - A request by an incident commander for additional personnel and apparatus.
Extrication - Removal of a trapped victim such as a vehicle extrication, confined space rescue, or trench rescue; sometimes using hydraulic spreader, Jaws of Life or other technical equipment.
Fire Academy - A location where candidates are trained as well as periodic training of the members of the department.
Fire Boat - A specialized watercraft and with pumps and nozzles designed for fighting shoreline and shipboard fires.
Fire Code - (Fire safety code) Regulations for fire prevention and safety involving flammables, explosives and other dangerous operations and occupancies.
Fire Escape - A building structure arranged outside to assist in safe evacuation of occupants during an emergency; may connect horizontally beyond a fire wall or vertically to a roof or (preferably) to the ground, perhaps with a counter-weighted span to deny access to intruders.
Firefighter - The member who provides first aid to patients, uses the hose lines to deliver water to extinguish fires, makes hydrants, performs searches for victims and other physical work during an emergency. Also does the station cleaning and maintenance during daily station activities.
Fireground - The operational area at the scene of a fire; area in which incident commander is in control. Also used as name of radio frequency to be used by units operating in the fireground, as in “Responding units switch to fireground.”
Firehouse - Another term for a fire station. Where fire apparatus is stored and where full-time firefighters work.
Fire Inspector - A member of the Fire Prevention Bureau who is responsible for issuing permits and enforcing the fire code, including any necessary premises inspection, before allowing (or during) a large indoor gathering.
Fire Insurance Patrol - Their mission was to respond to fire alarms along with the Chicago Fire Department and reduce the damage caused by smoke and water. They fought their way into burning buildings to save business records, other valuable items and cover property with their waterproof tarpaulins. The Patrol was in service from 1871 – 1959.
Fire Load - The contents of the structure or residence during ordinary combustion of all the fuel in a given space.
Fire Marshal - Arson investigator.
Fire Pole - A pole installed between floors in fire stations, allowing firefighters responding to an alarm to quickly descend to the ground floor faster than by using a standard staircase.
Fire Wall - Building structure designed to delay horizontal spread of a fire from one area of a building to another, often regulated by fire code.
Flashover - Simultaneous ignition of combustible materials in a closed space, as when materials simultaneously reach their ignition temperature.
Flashpoint - Lowest temperature at which a material will emit vapor combustible in air mixture. Lower than fire point of same material.
Forcible entry - Gaining entry to an area using force to disable or bypass security devices, typically using force tools, sometimes using tools specialized for entry (e.g., Chicago Bar).
Forward Lay - Procedure of stringing water supply hose from a water source toward a fire scene; co-pare with reverse lay.
Frame - TBA
Friction Loss - Reduction of flow in a firehose caused by friction between the water and the lining of the hose. Depends primarily upon diameter, type and length of hose, and amount of water flowing through.
Fully Involved - Term of size-up meaning the fire, heat and smoke in a structure are so widespread that internal access must wait until fire streams can be applied.
Grease Fire - A fire involving any manner of cooking oil or other flammable cooking or lubricating materials.
Hazmat - Hazardous materials, including solids, liquids, or gasses that may cause injury, death, or damage if released or triggered.
High-rise Building - Any building taller than eighty feet.
High-rise Pack - A shoulder load of hose with a nozzle and other tools necessary to connect the hose to a standpipe.
Hose Tower - A tower in the firehouse that is used to dry the fire hose.
Hot Zone - Contaminated area of Hazmat incident that must be isolated; requires suitable protective equipment to enter and decontamination upon exit.
Hurst Tool - The copyrighted name of the hydraulic rescue tool, developed by Hurst, used to free people trapped in automobile crashes.
Incident Commander - The officer in charge of all activities at an incident.
Joker Stand - The communications center of an older Chicago firehouse which involved the telegraph key, speakers and phones.
Jumpseat - The rear facing seats, occupied most often by the firefighters, on a fire engine or truck company.
Knocked - Term used to indicate that the fire has been extinguished or the fires progress has been slowed.
Lead Out -
Level I, II, III Incident - A Hazmat term denoting the severity of the incident and the type of response that may be necessary, where Level III is the largest or most dangerous.
Lieutenant - An officer responsible for a company of firefighters of one engine or truck.
Maltese Cross - The current emblem of the Chicago Fire Department that is based upon the cross worn on the tunics of the Knights Hospitallers of Jerusalem, AKA the "Knights of Malta".
Marshall Line -- To be determined.
Mass Casualty - Any incident that produces a large number of injured persons requiring emergency medical treatment and transportation to a medical facility. The exact number of patients that makes an incident "mass casualty" is defined by departmental procedures and may vary from area to area.
Master Stream - A large nozzle, either portable or fixed to a pumper, capable of throwing large amounts of water relatively long distances.
Mayday - (Universally used from French "m’aidez" (Translates to: "help me!") is an emergency procedure request word used internationally as a distress signal in voice procedure radio communications. For urgent calls and request for response, "Mayday" is spoken three times: "Mayday, Mayday, Mayday!" Examples of use of a Mayday in the fire department include roof collapse, stairway collapse, floor collapse, firefighter reporting disorientation or a lost firefighter, firefighter unaccounted for, firefighter out of air from SCBA.
MCI - Mass Casualty Incident
Mutual Aid - An agreement between the Chicago Fire Department and nearby suburbs to assist each other during large scale emergencies by responding with available manpower and apparatus.
OFI - The Office of Fire Investigation staffs Fire Marshals who investigates suspicious fires in the city of Chicago.
Ordinary - TBA
Overhauling - Conducted during the late stage in fire-suppression process during which the burned area is carefully examined for remaining sources of heat that may re-kindle the fire. Often coincides with salvage operations to prevent further loss to structure or its contents, as well as fire-cause determination and preservation of evidence.
Pike Pole - A piece of equipment used for overhaul. Most often it is use for the opening of ceilings. Of all the tools of the fire service, the pike pole is probably among the most often used.
Pompier Ladder - This is a ladder reportedly named for the firefighters of Paris, who are known as Pompiers. This ladder has a large hook on one end. A firefighter would stick this in the window of the floor above, climb out the window and up the ladder, where he would repeat the process. This is no longer used in the fire service.
Pre-planning - Fire protection strategy involving visits to potentially hazardous occupancies for inspection, follow up analysis and recommendations for actions to be taken in case of specific incidents.
Progress Report - Reports that provide for an important exchange of information between Command and companies assigned to the incident.
Rack – Bed.
Rehab Area - The organized process of rehabilitating firefighters through re-hydration, active cooling, rest and medical assessment to ensure the safety, health and well-being of the exerted firefighter.
Reverse Lay - The process of stringing hose from a fire toward a source of water, i.e., a fire hydrant.
RIT (Rapid Intervention Team) - Firefighters with specialized training, experience and tools, assigned to stand by for rescue of other firefighters inside a structure.
Salvage Cover - Heavy-duty tarpaulins folded or rolled for quick deployment to cover personal property subjected to possible water or other damage during firefighting.
SCBA - A portable self contained breathing apparatus worn on the back of a firefighter that allows the users to breath fresh air contained in a pressurized cylinder through a face mask.
Search and Rescue - Entering a fire building or collapse zone for an orderly search for victims and removal of live victims. Becomes "recovery" if victims are not likely to be found alive.
Sector - A physical or operational division of an incident. A typical system for structure fires names the "front" of the building "sector 1", and continues clockwise around the building with sector 2 to the right of the building, 3 in the rear and 4 to the left.
Shift - The work period of an assigned crew which is 24 hours
Shops - The location in which the apparatus and tools are repaired.
Shut Off Pipe - A solid stream nozzle invented in Chicago which attaches to a 2 ½” hose line. After the fire has been brought under control, it enables a 1 ¾” hose line to attach to it for washdown.
Siamese - A device used to combine two hose lines into one.
Size-up - Initial evaluation of an incident, in particular a determination of immediate hazards to responders, other lives and property, and what additional resources may be needed. Example: "Two-story brick taxpayer with heavy smoke showing from rear wooden porches and children reported trapped."
Smoke-proof Stairwell - Building structure that isolates escape stairwells with relatively fireproof walls, self-closing doors, and positive pressure ventilation, to prevent smoke or fumes from entering the stairwell during evacuation of occupants during a fire or other emergency.
Snorkel - Invented in Chicago, the snorkel is an articulating boom with a platform. It has the ability to spray water from the platform permanently plumbed into the system.
Solid Stream - Fire stream from round orifice of nozzle. Compare straight stream.
Squad - A special operations apparatus that carries tools and equipment for heavy rescue.
Staging - Designated area in close proximity to an incident where responding resources arrive for assignment to another sector. The Incident Commander sets the Staging Area.
Straight Stream - Round, hollow stream formed as water passes a round baffle through a round orifice (e.g., on an adjustable nozzle.) Compare solid stream.
Stripping Ladder - Created in Chicago and was designed to assist in opening roofs.
TIC (Thermal Imaging Camera) - This is a camera that can be used to seek out hidden fires, identify down victims or see through smoke.
Truck - A motorized apparatus that has a large mounted hydraulically raised 100-foot ladder. The truck also carries smaller ground ladders and varied equipment for specialized functions.
Turnouts or Bunkers - The set of protective pants and coat worn by firefighters to protect them from cuts, abrasions, heat and flames while fighting a fire or performing other duties.
Ventilation - Important procedure in firefighting in which the hot smoke and gases are removed from inside a structure, either by natural convection or forced, and either through existing openings or new ones provided by firefighters at appropriate locations (e.g., on the roof). Proper ventilation can save lives and improper ventilation can cause a backdraft or other hazards.
Vertical Ventilation - Ventilation technique making use of the principle of convection in which heated gases naturally rise.
Void Spaces - Enclosed portions of a building where fire can spread undetected.
Working Fire - A confirmed fire in which companies will be leading out to extinguish and RIT companies are dispatched.
Wye (Y) - A device for splitting one hose into two (usually smaller) lines.