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Building Construction

A look at the affect that building construction has on Firefighting
by

Brett Cartuyvelles

on 6 August 2013

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Transcript of Building Construction

Type I Fire-Resistive Construction
Type II Non-Combustable / Limited Combustable Construction
Type III Ordinary Construction / Brick & Joist Construction
Type IV Heavy Timber Construction
Type V Wood Frame Construction

Building Construction Types
Type I Fire-Resistive Construction
NFPA STANDARD 220
Collapse potential in fire resistive buildings
Two Basic Types
of Fire-Resistive Construction
Reinforced Concrete Buildings
Structural Steel Buildings
Most Stable of all 5 construction types
Spalling:The rapid expansion of moisture inside of concrete
Type II Non-Combustable / Limited Combustable Construction
Three Basic Types of Non-Combustable Buildings
Metal-Framed structures covered by metal exterior walls
Metal-framed structures enclosed by concrete block, non-bearing exterior walls
Concrete block bearing exterior walls supporting a metal roof structure
The Greatest collapse danger to a firefighter in a non-combustable building is a roof cave in
The roof support structure can be 1 of 3 types:
Solid steel girders and beams,
Open web bar joist,
or a Combination of Both
Type III Ordinary Construction
Ordinary Construction buildings are also called "brick-and-joist
characteristics of Type III ordinary construction buildings are exterior bearing masonry walls with wood floors and roof
Firefighter Safety
The structural hazard of an ordinary constructed building is the Parapet wall
The collapse danger of the parapet wall is one of the reasons why the area directly in front of a fire building is so dangerous.

Firefighters should move inside the doorway or away from the front of the building
Type IV Heavy Timber Construction
Type V Wood Frame Construction
Balloon Frame construction
Platform Construction
Braced Frame Construction
3 Basic Types of wood frame buildings
All are light weight wood construction
Braced frame: Also called Post-and-Girt
Mortise-and-tenon conections
The strength of the wood is compromised by the reduction of mass to create this joint
The oldest form of light weight wood construction
Balloon Frame Construction replaced Braced Frame construction methods
vertical and horizontal void spaces are the major concern when these buildings become involved in fire.
new construction: Using lighter weight wood 2 x 4, wood truss, glue laminate, wood I-beam construction.
Exterior can be made to look like any type of conctruction
light weight wood building products
lets take a look at how they are trying to kill us!
I-joists
Pin Joists
LVL: laminated vaneer lumber
All connections made with light weight steel
What temperature does unprotected steel fail?
Signs a building is prone to collapse
Full transcript