Ch 19 pg 481-485

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Questions and Answers

Fires in buildings under construction, renovation or demolition pose unique challenges to FFs in terms of ____, ____ load and operations

Structure fire

Often such flammable materials as adhesives, ____ and finishes are stored as well as ____ and ____ for temporary heating. Ample sources of ignition are present in the form of ____ and ____ tools, portable heating units and temporary ____

Sealants kerosene propane welding cutting wiring

The fire watch is supposed to remain in the area looking for fire for __ minutes after the work has been completed. Most fires occur because of ____ such as broken fuel line to a space heater or ____ such as placing a heater to close to combustibles

30 accidents carelessness

The stream choice, where the fire is within reach is the ____ ____

<p>Elevating platform</p> Signup and view all the answers

Properly applied, a __ in solid tip will discharge more than ____ gpm over a 100ft deep floor

<p>2 1,100</p> Signup and view all the answers

When using an elevated platform make sure to clear all personnel ____ the hose stream. It can dislodge items weighing more than ___ pounds, they can also dislodge ____ or shoring, precipitating collapse

<p>Opposite 100 scaffolding</p> Signup and view all the answers

Be aware that ____ regulations specify the way that such vertical openings must be protected. Often the guard around such openings is made of light ___ or even ____

<p>OSHA wood rope</p> Signup and view all the answers

When conducting site inspections Try to determine how you can reach the upper floors ____ the workday is through.

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

It is common practice to remove the lower ladders at night to prevent entry to upper areas by ____ and ____ playing in the area. Usually if a fire dept ladder is placed to the second floor, the remaining ladders are in place

<p>Vandals children</p> Signup and view all the answers

If the fire is within reach of the depts ladders either ___ or ____ it is usually quicker and safer to make initial access off the depts ladders

<p>Aerial portable</p> Signup and view all the answers

Buildings higher than the reach of aerial ladders are usually provided with ___, similar to elevators. There are 2 concerns with ___. 1 they are often shut down at ___ and weekends. 2 most importantly is that there are two types one for people and one for ___ and ____

<p>Hoist night materials equipment</p> Signup and view all the answers

The people hoist will have a ____ position in the car—- the ____ will ride up with you. Also be aware that they are designed with specific ____ conditions in mind.

<p>Control operator wind</p> Signup and view all the answers

Watch out for large quantities of liquids or gases, such as o2 and acetylene or ____ for steel cutting. Particularly in colder seasons, large quantities of LP may be present. LP is used to fuel ____, ___ kettles and torches and various others

<p>MAPP Salamanders tar</p> Signup and view all the answers

When pouring concrete in cold weather the entire building may be wrapped in ____ tarpaulins or ____ sheeting.

<p>Canvas plastic</p> Signup and view all the answers

Fires in areas where LP gas is present should be fought with ____ streams from ____ locations

<p>Large shielded</p> Signup and view all the answers

Older buildings undergoing demolition pose an extra hazard: _____ abatement. This is very common in older high rise (built before ___)

<p>Asbestos 1975</p> Signup and view all the answers

Asbestos removal is done by erecting ____ and sheet ___—lined walls around the entire area and installing ____ to remove any dust that’s created. Entry into this space often involves passing into an ____ chamber where exiting personnel undergo decontamination

<p>Plywood plastic filters intermediate</p> Signup and view all the answers

Flashcards

Construction Site Fires

Fires during construction, renovation, or demolition; challenges include structural instability, high fuel load, and complex operations.

Construction Flammables

Sealants, kerosene, and finishes are often stored on-site, alongside welding equipment and temporary wiring, creating ample ignition sources.

Fire Watch & Common Causes

Fire watch should remain for 30 minutes post-work. Accidents and carelessness, like broken fuel lines or heater placement, are primary fire causes.

Elevating Platform Stream

An elevating platform can deliver a high-volume stream.

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2" Solid Tip Flow Rate

A 2" solid tip nozzle can discharge over 1,100 gpm on a 100ft floor.

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Elevated Platform Safety

Clear personnel opposite the hose stream when using an elevated platform to prevent injuries from dislodged heavy items or collapse.

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Vertical Opening Guards

OSHA regulations dictate protection for vertical openings, often guarded by light wood or rope.

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Site Inspection Timing

Inspect sites after work hours to determine upper floor access.

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Ladder Removal

Lower ladders are often removed at night to deter vandals and children.

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Ladder Access

If the fire is within reach, aerial or portable ladders provide quicker and safer initial access.

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Hoist Concerns

Buildings exceeding aerial ladder reach use hoists, but these may be shut down or designated for materials vs. personnel.

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People Hoist Considerations

People hoists have an operator and are designed with specific wind conditions in mind

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On-Site Fuel Hazards

Large quantities of flammable liquids (O2, acetylene, MAPP) and gases (LP) may be present, especially in colder seasons, fueling salamanders, tar kettles, and torches.

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Cold Weather Covering

During cold weather concrete pouring, buildings might be wrapped in canvas tarpaulins or plastic sheeting.

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LP Gas Fire Tactics

Fires near LP gas should be fought with large, shielded streams from safe locations.

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Asbestos Hazard

Demolition of older buildings may involve asbestos abatement, common in high-rises built before 1975.

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Asbestos Removal Process

Asbestos removal involves erecting plywood/plastic-lined walls, installing filters, and creating an intermediate chamber for decontamination.

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