Construction Types Chapter 3
Identifies combustibility of building structure, non-structural skin, and interior elements Some construction types restrict material usage more than others Code lists minimum construction type required for specific types of occupancy In conjunction with occupancy classification, determines a buildings’ maximum height and floor area Construction types
Key terms Building Height Combustible Fire Resistive Floor Area Limited Combustible Non Combustible Protected Story Height Unprotected Key terms
Elements of Construction
Comparing the Codes
Combustibility: Definitions Noncombustible materials – will not ignite, burn, or release flammable vapors when subject to fire. Combustible materials – are materials that will continue to burn when the flame source is removed. Fire-resistant materials – once treated will delay the spread of fire by a designated time period and can prevent or retard the passage of heat, hot gasses, and flames. Combustibility: Definitions
Types I – Noncombustible: concrete or masonry bearing w/2 hour protection of structure Type II – Noncombustible: generally concrete or masonry bearing w/1 hour protection of structure Type III – Combustible – Mix of Combustible and Combustible: exterior is masonry bearing, interior is wood Type IV - Mill or Heavy Timber Type V – Combustible: residential stick or balloon framing
Guess the construction type
Guess the construction type
Guess the construction type
Guess the construction type
Guess the construction type
Guess the construction type
Guess the construction type
Guess the construction type
Guess the construction type
Guess the construction type
Guess the construction type
Guess the construction type
Guess the construction type
Guess the construction type
CONSTRUCTION TYPES AND BUILDING SIZES Mixed Construction Types Party wall Fire separation wall Occupancy Requirements Construction types limit occupancy types Evacuation time Assembly, Hazardous, and Institutional are the strictest Jurisdictions often require both ICC and LSC CONSTRUCTION TYPES AND BUILDING SIZES
Fire Separation walls
Allowable hieghts and building areas
Allowable hieghts and building areas
Other Height and Area Limitations Number of Occupants Location of building Access to site Sprinklers Fire Walls Hazardous Single Stories Mezzanines Basements Other Height and Area Limitations
Shafts
Continuity of fire barrier
Mezzanines
Atria
What about renovations after a fire?
Construction details
Construction details
Construction details
Construction details
Construction details
Construction details
Construction details
Construction details
Construction details