BC Numbers Flashcards
The Building Officials and Code Administrators international published the BOCA building code in____ and ushered in an era of building safety conformity.
1950
Page 25
Type l Construction features-fire resistive demographics:
Walls ___-___hrs
Floors ___-___hrs
Roof ___-___hrs
Partitions ___-___hrs
Walls 2-4 hrs
Floors 2-3 hrs
Roof 1-2 hrs
Partitions 1-2 hrs
Page 46
Some building codes contain a provision to omit the fire resistive rating for roof construction for some occupancy types when the roof is located more than ___ foot above the floor.
20 foot
Page 47
Type ll A (protected) requires that structural components have a __ hour fire resistance.
1 hour
Page 47
Type lll construction commonly uses nominal __x__inch joists for floor construction.
2x10 inch
Page 48
Type lV (heavy timber) construction requires minimum nominal dimensions of __x___ inch for floor construction.
6x10 inch
Page 50
Many Type V structures are required to have ___hr fire resistance for structural components.
1 hour
Page 50
Light frame construction was introduced in the United States in what year?
yr 1930
Page 51
The specific requirements for occupancy fire separation will depend on the local building codes. Required separation can range from __-__ hrs and not all occupancy’s will require a separation.
1-4 hrs
Page 53
The earliest known fire tests on building materials were conducted in Germany in___-___. In the United States, the first known fire tests were conducted in Denver, Colorado in ___, the subsequent test in York city in ___.
Germany 1884-86
US 1890
NYC 1896
Page 55
Laboratory testing data failure criteria. Temperature increase on the unexposed side of the wall, floor, and flroof assemblies of ___° above ambient temperatures, would constitute a failure.
250°
Page 57
American Society of Civil Engineers created ASCE/SFPE 29 in what year?
1997
Page 60
In some cases, dewatering operations will be necessary because water at depth of __inches adds a static load of __pounds per square foot.
3 inch of water adds…
21 lbs per sqft
Page 73
The typical expected “life span” of a building.
50 yrs
Page 74
Typical truss shapes span distances of ___-___feet, but trust spans in modern construction may exceed ___feet.
22- 70 feet
May exceed 100 feet
Page 83
Steel studs are placed ___-___ inches apart.
12-16 inches
Page 85
Building codes typically address membrane structures with the lifespan of ___ days or more, while firecode address as those used for less than ___ days.
More than 180
Less than 180
Page 87
Membrane structure fabrics weigh less than other roof systems: about ___lbs per sqft.
2 lbs per sqft
Page 87
The minimum width of the run in circular stairs is usually___inches.
10 inches
Page 96
Building codes have a traditionally required a minimum of one smoke proof stair enclosure for stairs buildings ___ stories or higher. More recently, codes also require protection for stair serving floor levels more than ___ feet below the level of exit discharge.
5 stories
30 feet
Page 99
Escalator speeds are standardized at ___ft./min. Older escalators usually operate at speeds of either ___or ___ ft./min.
New escalators 100 ft./min.
Older escalators 90-120 ft./min.
Page 101
Vertical penetrations for escalator serving more than ___ floors must be protected. The most common protection for the vertical openings is to use closely spaced sprinklers and draft stops around the opening. Combined, these two features may be arranged as an ___ inch deep draft stops with a row of automatic sprinklers on all sides of the draft stop.
2 floors
18 inch deep draft stops with sprinklers
Page 102
Historically, the practical upper limits of hydraulic elevators was about__ stories
6 stories
Page 104
Traction Elevators are the most common type of elevator in buildings over___ stories.
6 stories
Page 106
Even though counterweights reduce the amount of energy needed to raise the elevators, the operating heights may require them to have as much as ___volt power supply.
500 volts
Page 106
Elevator hoistway enclosures usually are required to be a fire rated assembly with a ___ -___ hrs rating.
1-2 hours
Page 109
A building with___ or fewer elevators may contain all three in a single hoistway. ___ or more elevators must have a minimum of two separate hoistways. Were more than one hoistway is provided, up to ____ elevators may be located in one hoistway.
3 or fewer
4 or more
Up to 4
Page 110
If a single car hoistway is used, access doors will be provided for rescue purposes. Generally, these are placed every ___u floors.
Every 3 floors
Page 111
Duct Detectors are typically provided for fans with capacities exceeding___ ft.³ per minute, to stop these systems under fire conditions and minimize unwanted smoke movement.
2000 ft.³
Page 118
HVAC ducts must be enclosed in a fire rated shaft enclosure. One hour rated for buildings less than ___ stories in height and two hour rated for buildings ___ stories or greater.
1 hr for buildings less than 4 stories
2 hr for buildings 4 stories or greater
Page 120
Typical heat and smoke vents hatchways often open a minimum of ___feet in either direction.
4 feet
Page 124
The depth of a curtain board will vary depending on the nature of the hazard within an occupancy, but should not be less than___% of the ceiling height. Curtain board should be spaced so that they are not further apart than ___ times the ceiling height.
No less than 20% building height
No further apart than 8x building height
Page 124
High voltage equipment is defined as operating at ___ volts or higher
600 volts or higher
Page 128
When transformers are inside, codes require that the transformer room or vaults be enclosed in ___ hour fire rated construction if not protected by automatic sprinklers, or ___ hour fire rated construction with sprinklers.
3 hr
1hr
Page 130
Fire codes typically limit fuel storage in dry tanks located in the same room or mounted directly on the generator to ___ gallons for diesel fuel.
60 gallons
Page 130
Building codes usually exclude references to surface treatments such as paint and wallpaper that are no thicker than ___ inches.
1/28 inch
Page 140
Red oak flooring has a Flame Spread Rating of ___. According to the test protocol the flame will travel along the oak flooring ___feet in ___minutes.
Flame spread rating of 100
24 feet
In 5 1/2 minutes
Page 142
Flame spread ratings over ___ are not permitted in occupancies, per code.
Flame spread rating over 200
Page 142
Red Oak is used as a standard testing material and is assigned a smoke development rating of___.
Smoke development rating of 100
Page 143
Codes do not allow a combination of materials that exceed a maximum smoke developed rating of___.
450
Page 143
Freestanding walls must be designed to resist a lateral load of at least __pounds per square foot.
5 lbs per sqft
Page 147
The parapet height above a combustible roof is determined by the building code and varies from ___-___inches.
18-36 inches above a parapet
Page 147
For our rated walls must be constructed of____ or ____.
Masonry or concrete
Page 147
Building codes also permit combustible structural members to be framed into masonry or concrete firewalls from opposite sides provided there is a ___ inch separation between the ends of the structural members.
4 inch separation
Page 148
Enclosure walls are required to have a fire resistance rating of ___-___ hours depending on the height of the building. Stairwells in a building ___ stories or lower are required to have ___ hour rating enclosures. And buildings taller than ___ stories, stairwells are required to have ___ hour rated enclosures.
Enclosures have 1-2 hr ratings
Lower than 4 stories- 1 hr
Greater than 4 stories- 2 hrs
Page 150
Fire Doors are rated in increments of time from ___minutes to ___hours. The ___hour and ___hour doors are primarily used in smoke barriers and openings to corridors.
20 minutes to 4 hours
1/2 and 3/4 hour doors
Page 152
Fire door ratings in firewalls:
2hr rated wall gets a __-__hr rated door
2hr rated vertical enclosure gets a __hr rated door
1 hr rated vertical enclosure gets a __hr rated door
2hr rated wall gets a 3-4 hr rated door
2hr rated vertical enclosure gets a 1.5 hr rated door
1 hr rated vertical enclosure gets a 1 hr rated door
Page 153
Swinging Fire Doors commonly protect stairwell enclosures and corridors. They are available with ratings from ___minutes to ___hours.
20 minutes to 3 hours
Page 156
Fire doors with ratings of 1 to 3 hours can have glass panels up to ___ in.² per door.
100 in.²
Page 161
Swinging fire doors with ratings up to___ hours can be equipped with louvers.
1.5 hrs
Page 162
Fire Doors with a ___ hour rating may not be subjected to host test depending on their intended application.
1/3 hr rating
Page 164
Test pits may reach depths of up to___ft.
8ft
Page 170
The weight of one story of soil can equal ___-___ stories of a building.
5-8 stories
Page 172
Dimensional lumber is available in lengths from ___-___feet in ___ foot increments
8-24 feet in 2 foot increments
Page 182
The standard tensile strength of wood is considered about ____psi.
700 psi
Page 183
