10.2.3 Fire Detection/Suppression_Occupancy IBC Flashcards
A
Assembly
B
Business
E
Educational
F
Industrial
H
High Hazard
I
Institutional
Healthcare, geriatric, or other spaces where occupants are not able to save themselves during a fire/ emergency
Institutional
M
Mercantile (retail)
Retail/Sales
M_mercantile
R
Residential
S1
Storage_Hazardous
S2
Storage_Low hazard
U
Utility/Misc
Agriculture bldgs, carports, greenhouses, sheds, stables, fences
U
Construction types:
Highest fire resistance
Type IA
Construction types:
Lowest fire resistance
Type V
area multiplier w/ sprinkler system
4x area @ single storey
3x area @ multistory
___ perimeter walls face public way/open space = area increase granted
> 1/4
Type I : of non combustible materials
IA = _hr
IB = _hr
IA = 3hr IB = 2hr
Type II: of non combustible materials
IIA =
IIB =
IIA = 1hr min, w/ 2hr exterior. IIB = No fire rating.
Type III: Exterior walls are of non-combustible materials, interior elements are of any material allowed by code.
IIA =
IIB =
IIA = 1hr min, w/ 2hr ext. bearing. IIB = unrated int, w/ 2hr ext. bearing.
Type IV: Heavy Timber.
Exterior walls =
interior elements =
Type IV Heavy Timber.
Exterior walls = noncombustible materials,
interior elements = solid or laminated wood
(w/o concealed spaces.)
Type V: Structural elements, ext/int walls are of any materials allowed by code.
VA =
VB =
VA = 1hr ext bearing. VB = No fire rating.
Type A: Protected / Fire Resistance Rated Construction:
Structural members have added fire rated coating/cover
(ex. sheetrock, or spray on fireproofing.)
+ at least an hour to structural
Type B: Unprotected / Non-Fire Resistance
Rated Construction:
Structural members = no added coating/cover.
Exposed members only resistant according to natural characteristic.