BUILDING CODES Flashcards
What is occupancy group B?
Business: professional and service facilities as well as drinking and dining with fewer than 50 occupants. This is the safest space available because everybody is familiar with the surroundings … And awake.
What is the safest occupancy group?
B for Business
What is occupancy group F?
Factory: factories with moderate and low hazard materials share many of the requirements for group B
What is occupancy group H?
Hazardous: facilities involving manufacture, process, generation, or storage of materials that constitute a health hazard. Explosive, combustible, corrosive, or toxic.
What is occupancy group I?
Institutional: facilities where people are monitored 24 hours a day, seven days a week. Hospitals, nursing homes, sanitariums, jails, and reform schools.
What is occupancy group M?
Mercantile: facilities for display and sale of merchandise, often share the same requirements as group B
What is occupancy group R?
Residential
R-1 is hotels and transient
R-2 is permanent apartments and dorms
R-3 is single and double family homes
What is possibly the least safe occupancy group?
Residential, because people are sleeping with no supervision. More people die in home fires every year than in any other occupancy.
What is occupancy group S?
Storage: includes garages, aircraft hangers, and how he stops. People may work and these facilities.
What is occupancy group U?
Utility: these facilities are not intended for human occupancy.
What are the noncombustible building types?
Type I and type II
What are the combustible building types?
Type III, type IV, and type V
What is type IV? What fire rating is it automatically given?
Heavy timber construction, and it automatically has a one – hour fire rating
How is flame spread rating determined?
The Steiner Tunnel Test
What is the class a flame spread rating?
0-25
What is the class B flame spread rating?
26-75
What is the class C flame spread rating?
76-200
Enclosed vertical exit Waze usually require materials with a flame spread in class…
A
Corredor is usually require a flame spread in class…
B
Rooms in assembly and institutional occupancies usually require a flame spread in class…
B
Dwelling units (R-3) usually require a flame spread in class…
C
Define means of egress
Continuous and unobstructed path of travel from any occupied portion of the facility to a public way
The IBC and NFPA indicate that occupancy group B should have no more than one person per ___ square feet
100
What is the occupant load factor for an architects office with 3000 ft.²?
30 occupants
How many exits are required for occupancy loads from 501 to 1000?
Three
Exit doors have to be between what two widths?
32” clear - 48” max.
Any building with more than 1000 occupants requires how many exits?
Four
Maximum egress travel distance
200 feet in buildings without a sprinkler, 250 feet in buildings with a sprinkler system
(potentially 300 feet in business occupancies with the sprinklers, 300 feet in some factory, storage, and utility occupancies, 400 feet in some F, S, and U occupancies with sprinklers)
You’re not allowed to walk through which kinds of rooms in an exit path?
Kitchens, storage rooms, closets, bathrooms
Maximum dead end distance
20 feet
Fire rated corridors are usually required in occupancies without…
Sprinkler systems
Fire rated corridors cannot exit through Any intervening rooms except…
Four years, lobbies, and reception rooms if they are constructed with the same fire resistance rating as the corridor
If a vertical exit enclosure is serving more than four stories what is it’s required fire rating? If it is serving less than four stories?
Two hour fire rating for four or more… One hour for less
What are requirements for exterior exit stairways (allowed when a building is less than six stories or 75 feet in height)
Open on one side, separated from the building by fire rated construction matching that required for vertical exit enclosures
What is the scope of the Fair Housing Accessibility Guidelines?
Providing nondiscrimination in federally funded housing projects
What is the scope of the Uniform Federal Accessibility Standards?
Provides requirements for construction under for specific federal government agencies: USPS, DOD, GSA
What are the only disability guidelines that apply to privately owned facilities?
ADAAG
What is occupancy group A?
Assembly: where more than 50 people gather for a common purpose such as entertainment, food or drink… Potential for irrational panic so doors must swing in the direction of exit travel with panic hardware.
