Ch 15 pg 391-396

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Questions and Answers

Multiple dwellings are those buildings that house ____ or more families. In some areas, they are called ____ houses or _____

Three apartment tenements

FF tactics must placed a extremely high priority on searching all of the apartments __ and ____ the fire floor, since the occupants of an apartment above may not become aware of the fire until after their means of egress have been blocked

On Above

Only an early recognition of the ____ problems will enable us to solve them. In many larger apartment buildings, the officer in command must take into account the ____ factor necessary to implement a ____

Common Time tactic

One of the first difficulties is to recognize the presence of _____ dwellings. Many are _____ legally or illegally

<p>Multiple converted</p> Signup and view all the answers

Illegally converted ones are more dangerous due to no building codes like and _____ stairway, a fire escape or a ____ system

<p>Enclosed sprinkler</p> Signup and view all the answers

Many areas of the country, response assignments to _____ dwellings are two engines and ___ ladder, whereas an alarm for a large hotel or apartment house will bring ____ or ____ engines and two or more ladders

<p>Private one three four</p> Signup and view all the answers

When you arrive and find a converted multiple dwelling, you just make adjustments and request whatever additional assistance you need, usually personnel for ____ and ____ equipment for removal

<p>Search aerial</p> Signup and view all the answers

Counting ___or ___ meters on the exterior can alert you to multiple dwelling as well as ____ and mailboxes

<p>Gas electric doorbells</p> Signup and view all the answers

The presence of ____ on interior rooms usually indicates the presence of ___ where a person or even a whole family rent a single room and shares a ____ and other facilities with the other occupants

<p>Padlocks SRO toilet</p> Signup and view all the answers

A series of catastrophic fires in tenements in New York City in the late ____ showed the need for separating the apartments from the interior stairs. most apartments are now equipped with fire-rate ____ , while the _____ is usually a fire rated enclosure as well

<p>1890s doors stairwell</p> Signup and view all the answers

Many codes require that these fire rated doors be equipped with self-___ devices. Unfortunately many people disable these device like ____ citizen apartments and those housing the ____ wheel chairs and walkers

<p>Closing senior disabled</p> Signup and view all the answers

These ____ and ____ pose a danger of fire extending horizontally across the ____( often bypassing a fire wall) as well as vertically due to autoexposure or lapping flames

<p>Lightshafts airshafts shaft</p> Signup and view all the answers

While waiting for a hoseline fire crews can greatly slow fire spread across these shafts by removing all _____ materials, such as ____ from around windows and by judicious use of portable extinguishers or even ___ of water from the sink. Another method is to open a ___ opposite the shaft

<p>Combustible curtains pots window</p> Signup and view all the answers

The two greatest threats to a structure in the event of a fire is ____ chases and ____ rails

<p>Pipe channel</p> Signup and view all the answers

Elevators are generally required to be built with Atleast __ hour fire resistance ratings , and they don’t generally account for serious ____ hazards. ____, on the other hand have been the cause of several serious fires when rubbish burning within the chute extended to combustible s

<p>2 Fire compactors</p> Signup and view all the answers

If the roof members find a ___ pipe that is hot to the touch inform the members below and begin ____ of the roof adjoining the pipe

<p>Soil ventilation</p> Signup and view all the answers

Voids from ____ rails are harder to find and can be found in any building that is built with steel columns or I beams supporting the floors. They can appear anywhere in the ____ layout

<p>Channel floor</p> Signup and view all the answers

Architects try to hide channel rails within walls and in ____

<p>Closets</p> Signup and view all the answers

Generally steel framing is used in class __ buildings ( ordinary or non fire proof construction) that are more than __ ft wide

<p>3 25</p> Signup and view all the answers

It is better to send someone who has seen the location of the ___ that the fire is in to show people where to open up, rather than try to explain over the ____

<p>Voids radio</p> Signup and view all the answers

Ops at multiple dwelling where so many people are trapped should focus on removing those in _____ danger first, while protecting the _____ number in place. This means getting a hoseline in place to protect the ____ stairway

<p>Greatest interior</p> Signup and view all the answers

The importance of quickly positioning a hoseline to protect the main ____ artery, the _____ cannot be over emphasized

<p>Vertical stairway</p> Signup and view all the answers

While waiting for the stairway to clear of occupants, it may be very helpful to send a member with and ___ or other heavy tool to break any windows in the floor ____ or on the stair between the fire floor and the floor above

<p>Axe landing</p> Signup and view all the answers

These windows in the stair landing are often ____ with ___ mesh and require a lot of work to clear. A ___ tool is mandatory

<p>Glazed wire heavy</p> Signup and view all the answers

The officer in command of ____ search operation will have to evaluate the wind direction and ___ as well as the degree of danger to civilians who are still located on the ____ above the fire, before deciding to vent the stair window

<p>Interior speed stairs</p> Signup and view all the answers

Flashcards

Multiple Dwellings

Buildings designed to house three or more families, often referred to as apartment houses or tenements in some areas.

Searching Above the Fire Floor

The practice of searching all apartments on and above the fire floor in multiple dwellings to ensure no occupants are trapped.

Time Factor in Tactics

The critical factor in implementing a firefighting tactic in large apartment buildings, often influenced by the size and complexity of the building.

Converted Multiple Dwellings

Buildings initially intended for single-family use, but later subdivided illegally or legally into multiple units.

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Illegally Converted Multiple Dwellings

Buildings converted without adhering to building codes, posing significant safety risks due to lack of essential features.

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Enclosed Stairway, Fire Escape & Sprinkler

Essential safety features in multiple dwellings, often missing in illegally converted buildings, contributing to fire hazards.

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Resource Allocation for Multiple Dwellings

Standard response assignments for private dwellings usually involve two engines and one ladder, while alarms in larger buildings require a higher level of resources.

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Additional Assistance for Converted Dwellings

The need for additional personnel and specialized equipment may be required when responding to converted multiple dwellings.

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Exterior Indicators of Multiple Dwellings

Observing external features like gas meters, electric meters, doorbells, and mailboxes can help identify multiple dwellings.

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Padlocks and SROs

Rooms with padlocks on the interior often indicate SROs (Single Room Occupancy) where individuals rent a single room and share common facilities.

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Fire-Rated Doors and Stairwells

As a result of catastrophic fires in tenements, most apartments now feature fire-rated doors and a fire-rated enclosure for the stairwell to enhance fire safety.

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Self-Closing Devices on Fire-Rated Doors

Self-closing mechanisms on fire-rated doors are crucial for preventing fire spread, but often get disabled in some buildings.

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Light and Air Shafts: Fire Hazards

Lightshafts and airshafts act as vertical pathways for fire spread both horizontally and vertically, posing serious hazards.

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Mitigating Fire Spread in Shafts

While waiting for a hoseline, fire crews can mitigate fire spread by removing combustible materials around windows, using extinguishers, or even flooding the shaft.

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Fire Hazards: Pipe Chases and Channel Rails

Pipe chases and channel rails are vertical pathways created by plumbing and structural supports, forming potential fire routes within buildings.

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Fire Resistance of Elevators

Elevators are built with a minimum 2 hour fire resistance rating, but may not account for fire hazards in some cases.

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Compactor Fires

Compactors have been the source of fires when combustible materials inside ignite, causing fire spread through the chute.

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Hot Soil Pipe: Sign of Fire in Voids

If a soil pipe is hot to the touch, it indicates fire spread in concealed spaces, prompting ventilation of the roof area adjoining the pipe.

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Channel Rails: Concealed Fire Routes

Channel rails are concealed spaces between structural elements, often difficult to identify, found in buildings with steel support beams and columns.

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Location of Channel Rails

Channel rails are typically hidden within walls and concealed spaces.

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Steel Framing in Buildings

Steel framing is commonly used in larger buildings with ordinary or non-fireproof construction, particularly those wider than 25 feet.

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Prioritizing Rescue in Multiple Dwellings

In multiple dwelling fires, it's essential to focus on removing those in greatest danger first, while using a hoseline to protect the interior stairway.

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Importance of Stairway Protection

Protecting the main vertical artery for escape, the stairway, is crucial in multiple dwelling fires.

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Ventilation and Rescue through Stair Landing Windows

Breaking windows in the stair landing, using a heavy tool, can provide ventilation and aid in search and rescue efforts.

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Stair Landing Windows with Wire Mesh

Stair landing windows often have protective wire mesh, requiring a heavy tool for access.

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Considerations for Stair Window Ventilation

The officer in charge must carefully consider factors like wind direction, speed, and risk to civilians before deciding to vent the stair window during interior search operations.

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