Collapse of BB CH7 Hard

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Questions and Answers

What is the exposure 3 in relation to the fire building?

An open lot which slopes downward in a steep decline

What does the ladder do upon arrival at the fire building?

Forces open the overhead entrance doors

What is the walking space on the roof filled with?

6 inches of slush

What is used to create the level roof surface along the parapet?

Metal flashing Signup and view all the answers

What should all fire departments develop for operations involving sloping roofs?

Standard operating procedures based on life safety, fire containment, and property protection Signup and view all the answers

Why may a sloping roof support fewer firefighters than a flat roof?

It may be designed to support less of a live load than a flat roof Signup and view all the answers

Why do older structures built before local building codes need not conform to code requirements for roof construction?

They were built before local building codes were enacted Signup and view all the answers

What risk do firefighters face when walking upon the roof of a burning building?

Plunging through a fire-weakened structure into a dark, smoky, flaming enclosure Signup and view all the answers

What type of roof is mentioned as posing collapse hazards during firefighting operations?

Hip roof Signup and view all the answers

Which activity is specifically mentioned as being required to be performed by firefighters on sloping peaked roofs?

Roof venting Signup and view all the answers

What type of residence building is mentioned in the text where a fire occurred involving a sloping hip roof?

Brick- and-joist residence building Signup and view all the answers

What caused the eaves to push out beyond the bearing walls on both sides during the firefighting operation?

Roof collapse Signup and view all the answers

What was used to create a vent cut to release smoke and flames from the building during the firefighting operation on a sloping gable roof?

Power saw Signup and view all the answers

What is mentioned as a challenge and risk involved in operating on a sloping gable roof during firefighting operations?

"Jaws of Life" for access Signup and view all the answers

What caused firefighter Brady to survive a roof collapse incident?

Fire destruction of the roof deck Signup and view all the answers

What type of roof construction did the Yonkers fire building have?

Sloping gable roof supported by heavy timber trusses and thin, unsupported wood decking Signup and view all the answers

What caused firefighter Harry Korwatch to lose his life in the Yonkers fire incident?

Flames charring and weakening the 1-inch roof deck Signup and view all the answers

Which type of wood construction has the largest area of unsupported roof deck?

Timber truss Signup and view all the answers

What is the primary cause of Fire Captain Francis Federici's death in Bridgeport, Connecticut?

Low-pitched hip roof collapse Signup and view all the answers

What risk do firefighters face when walking on a truss roof?

Largest area of unsupported roof deck Signup and view all the answers

What type of material can present a collapse hazard to firefighters on roofs?

Slate shingles Signup and view all the answers

Why may plank-and-beam roofs in rural areas pose a danger to firefighters?

Snow or ice accumulation causing areas of rotted or decayed roof deck Signup and view all the answers

What is a characteristic feature of slate used as a roofing material?

Smooth-surfaced layers Signup and view all the answers

What is tile shingle made from?

Unglazed, fired clay, stone, or concrete Signup and view all the answers

What can cause the collapse of slate and tile shingles on a roof?

Destruction of the wooden roof deck by fire Signup and view all the answers

What factor can make slate and tile roofs extremely hazardous for firefighters to work on?

Ice, snow, and rain making the roofs slippery Signup and view all the answers

How can firefighters protect themselves on peaked roofs?

Using roof ladders hooked onto the ridge rafter Signup and view all the answers

What should firefighters consider when preparing a pre-fire plan for a hazardous building?

Identifying the type of roof construction Signup and view all the answers

What can conceal a fire-weakened roof structure, leading to unexpected collapses without warning signs?

Slate and tile roofs themselves Signup and view all the answers

What can protect a firefighter from a rafter collapse on a peaked roof?

Standing and operating from an aerial ladder or platform Signup and view all the answers

What poses a significant danger when falling from a height in case of slate or tile shingle roofs?

Slate or tile shingles that can be 2 inches thick and weigh up to 10 pounds Signup and view all the answers

What has resulted in severe injuries to FDNY Lieutenant Robert O'Connell?

Collapsing slate shingles during a fire in a four-story brownstone mansion in Manhattan Signup and view all the answers

What is crucial in determining the safety of a roof for firefighters to walk and operate on?

The pitch of the roof Signup and view all the answers

What has caused deaths or injuries to firefighters near fire buildings?

Falling objects such as slate shingles, tools, and people jumping from windows near fire buildings. Signup and view all the answers

Study Notes

Dangers of Slate and Tile Shingle Roofs for Firefighters

Slate or tile shingles can be 2 inches thick and weigh up to 10 pounds, posing a significant danger when falling from a height.
A fire in a four-story brownstone mansion in Manhattan resulted in severe injuries to FDNY Lieutenant Robert O'Connell due to collapsing slate shingles.
Slate and tile shingle collapse can be caused by destruction of the wooden roof deck by fire, sudden temperature changes, and powerful hose streams.
Firefighters have been killed or injured by falling objects such as slate shingles, tools, and even people jumping from windows near fire buildings.
Slate and tile roofs can conceal a fire-weakened roof structure, leading to unexpected collapses without warning signs.
The chances of a firefighter losing balance and falling off a sloping rooftop are greater than those of being injured in a roof collapse.
Ice, snow, rain, and humidity can make slate and tile roofs extremely slippery, posing a hazard for firefighters working on them.
The pitch of a roof is a crucial factor in determining its safety for firefighters to walk and operate on.
Firefighters can protect themselves on peaked roofs using roof ladders hooked onto the ridge rafter or by operating from an aerial or tower ladder.
Only standing and operating from an aerial ladder or platform can protect a firefighter from a rafter collapse on a peaked roof.
Fire departments must have standard operating procedures and necessary equipment, like aerial ladders, to safely operate and vent peaked roofs.
When preparing a pre-fire plan for a hazardous building, firefighters should identify the type of roof construction and include it in the plan.

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