130222 fire walls
TRANSCRIPT
Sharing our Guidance
The What, When, Where, and Why of Fire Walls
Firewalls
Firewall Basics
What?Types of Firewall
When/Where?When to expect firewalls and Where might you find them.
Why?Why do I need to know?
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What When Where and Why of Firewalls
A “Type” of wall that helps mitigate the spread of fires and protect building occupants.
Firewalls
Fire Barriers
Fire Partitions
Smoke Barriers
What are Firewalls?
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What When Where and Why of Firewalls
FirewallA fire-resistance-rated wall which restricts the spread of fire and extends continuously from the foundation to or through the roof , with sufficient structural stability under fire conditions to allow collapse of construction on either side of the wall.
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What When Where and Why of Firewalls
Fire BarriersA fire-resistance -rated wall assembly of materials designed to restrict the spread of fire in which continuity is maintained.
Shaft EnclosuresExit EnclosuresExit passagewaysAtriumsIncidental Use Areas
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What When Where and Why of Firewalls
Fire PartitionsA vertical assembly of materials designed to restrict the spread of fire in which openings are protected.
Separation of dwelling/sleeping units within the same building.Occupancy separation
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What When Where and Why of Firewalls
Smoke BarriersA continuous membrane, either vertical or horizontal, that is designed and constructed to resist the movement of smoke.
(1) Hour Rated
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What When Where and Why of Firewalls
Exterior WallsMixed Use OccupanciesTenant separationsStairwellsElevator ShaftsExit CorridorsAreas of Refuge for ADAAtriumsHazardous Use Groups
Unfortunately it’s not all that easy to figure out. So if you see something don’t be afraid to throw out a red flag.
OBC Table 705.4 – Fire Wall RatingsOBC Table 706.3.9 – Fire Barrier Assemblies between Fire AreasOBC Table 715.4 Fire Door RatingsAllowable Heights and AreasUse GroupsBuilding locations
When and Where might you find a Fire Walls, Barriers, or Partitions?
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What When Where and Why of Firewalls
Life Safety
Help you to do your job as an Engineer
Correct DetailFirestop those penetrations.Fire/smoke Damper locationsCover the Architects backside
Why you need to know this.
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Firewalls CONCLUSION . . .
Thank You.