BC Long Flashcards
1
Q
Common factors that may affect a buildings stabilty during a fire:
(7)
p.1
A
- Lightweight construction leaves building vunerable to quick collapse.
- Obsolete methods and materials
- Materials manufactured to look like something else.
- Change in owner, occupanct type or function which may have not been legal.
- Reinforced structural elements that impair access.
- Renovations that exceed the capacity of the building’s original structural components.
- Reliance on sprinklers for protection instead of mass.
2
Q
Exposure and Fire Spread Factors
Some known ways that fires spread to an exposed building:
(7)
p. 31
A
- Ventilation pulls in flames, hot brands of superheated convection currents
- Openings, such as doors allow convection currents into the building
- Roof materials ignite from convection
- Siding materials ignite from convection or radiant
- Windows and window dressings allow radiant heat to start fire directly inside
- Structures or other loads placed in close proximity to each other
- Lack of organized fire protection
3
Q
Building codes usually permit a limited use of combustible material in Type 1 construction. Combustible materials typically permitted for such uses as the following:
(9)
p. 47
A
- Roof coverings
- Interior floor finishes
- Interior wall finishes and trim
- Door and window frames
- Window sashed and frames
- Platforms
- Nailing and furring stripps
- Light transmitting plastics
- Foam plastics subject to retrictions
4
Q
NFPA has 12 Occupancy Classes:
p. 52
A
- Assembly
- Education
- Day Care
- Health Care
- Ambulatory health care
- Detention and correctional
- Residential
- Residential board and care
- Mercantile
- Business
- Industrial
- Storage
5
Q
Factors that influence the type and depth of the foundation include:
(7)
p. 170
A
- Soil condition
- Type of building
- Building intended use
- Lateral forces (seismic & wind)
- Working spce requirements
- Influence on edjacent exposures
- Codes and regulations