BC Chapter 5 Flashcards
Interior finishes include the materials used for the exposed face of the walls and ceilings of a building, and are not limited to structural material.
Interior finishes can include:
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p 138
- Plaster
- Gypsum
- Wood paneling
- Ceiling tiles
- Plastic
- Fiberboard
- Wall coverings (vegetation and drapery)
Interior finishes may be classified as “trim” if they meet the following conditions:
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- Does not exceed 10% of wall and ceiling are
- Distributed through the space
- Does not constitute a large continuous surface
Flame spread over a specific material can be measured and predicted in degrees known as the surface-burning characteristics of the material when evaluating the following:
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p. 139
- Compostition, orientation and thickness of the material
- venitaltion
- shape and size of the compartment
- finish material on the ceiling or wall
The most significant factor that determines a fuel’s burn rate is the combination of ______ and the available _______.
p. 139
fuel
oxygen
Building codes usually exclude reference to surface treatment that are no thicker than:
p. 140
1/28”
Name 4 coating products that have been tested and listed by a reputable lab:
p. 140
- Intumescent
- Mastics
- Gast-forming paint
- Cementitious and mineral fiber coatings
_________ paints expand upon the exposure to heat and create a thick puffy coating.
p. 140
Intumescent
_________ coatings form a thick, noncombusitble coating over the surface of the wood.
Mastic
Flame spread ratings over _____ are not permited in occupancies.
p. 142
200
Numerical rating assigned to a material based on the speed and extent to which flame travels over its surface.
p. 142
Flame Spread Rating
The measure of the relative visual obscurity created during the testing process of a known material.
p. 142
Smoke Developed Rating
Codes do not allow a combination of materials that exceed a maximum smoke development rating of _____ or higher.
p. 143
450
One of a set of sections in a building separated from each other by fire-resistant partitions.
p. 146
Fire Area
Freestanding walls must be designed to resist a lateral load of _____ pounds per square foot.
p. 147
5 pounds
Parapet height varies from ____ to ____ inches.
p. 147
18 to 36 inches
________ are interior walls that do not qualify as fire walls but are used to divid a floor area of a building.
Typically erected from floor to underside of the floor above; does not extend through like a fire wall.
p. 149
Fire partitions
_______ walls are used to block the vertical spread of fie through a buildings openings including:
- Stairwells
- Stairwell exits
- Elevator shafts
- Pipe chases
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Enclosure Walls
E_nclosure walls are required to have a ____-hour rating in buildings fours stories or lower._
And _____-hour rating in building taller than four stories.
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1 hour
2 hour
Curtain Walls serve the following functions:
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p. 150
- Resist enviromental loads
- Control heat loss
- Limit noise transmission
- Limit solar radiation
- ;) prevent the people from falling out.
Curtain walls are non-load bearing.
p. 151
True
Letter Designations for Fire Doors.
List where Class A-E doors are found:
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- Class A: Fire Walls
- Class B: Vertical shafts and 2-hour partitions
- Class C: Between rooms and corridors with a rating 1-hour or less
- Class D: Exterior walls subject to severe fire exposure from the outside.
- Class E: Exterior walls subject to moderate or light exposure from outside.
Rolling overhead doors are often found in the following locations:
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p. 154
- Along corridors to protect convienience openings
- To protect an opening in a fire wall
- One or both sides of a wall opening
- At an opening in a wall that separates buildings
Motor driven fire doors frequently used where a fire-rated partition is required and the designer does not with to provide a fixed wall.
p. 157
Horizontal or Acordian doors
Fire doors with ratings of 1-3 hours can have glass panels up to ________sq/in.
p. 161
100 sq/in
