Building Construction Types and Size-Up Considerations.
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Transcript of Building Construction Types and Size-Up Considerations.
![Page 1: Building Construction Types and Size-Up Considerations.](https://reader030.fdocuments.in/reader030/viewer/2022032605/56649e715503460f94b6fd2f/html5/thumbnails/1.jpg)
Building Construction Building Construction Types and Size-Up Types and Size-Up Considerations.Considerations.
Building Construction Building Construction Types and Size-Up Types and Size-Up Considerations.Considerations.
![Page 2: Building Construction Types and Size-Up Considerations.](https://reader030.fdocuments.in/reader030/viewer/2022032605/56649e715503460f94b6fd2f/html5/thumbnails/2.jpg)
Type I Construction
Fire resistive. Concrete and steel. Originally designed to contain fire to a single floor, not so true anymore in modern buildings. HVAC, pipe and wire chases, and auto exposure provide fire spread.
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Type I
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Type 1 Under Construction
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Type 1Under Construction
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Type II Construction
Noncombustible Steel or concrete walls, floors, structural framework. Roof deck or covering is combustible. Roof covering may have asphalt, felt paper, foam insulation, and or a combustible membrane.
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Type II
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Tilt Up Construction
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Steel Parallel Chord Truss and Metal Roof Decking
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Mark Schollmeyer 2006
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Mark Schollmeyer 2006
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Type III Construction
Ordinary construction. Used to be referred to as “brick and joist”. Has masonry bearing walls. Floors, structural framework, roof are wood. A lumberyard enclosed by four block walls.
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Old Type III“Brick and Joist”
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Brick and JoistFire Cut
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Brick and Joist Hazards
What are these called?
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New Type III
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Steel Framing for Solid Wall Forms
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Forms Ready To Accept Concrete
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Finished Wall Ready For Trusses
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Speaking of Trusses
Bowstring
CommonGambrel
Attic
Hip
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Common Truss
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Parallel Chord Truss
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Gusset Plate
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Engineered Beams
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Wood Trusses
Engineered I-Beams
Lightweight Steel framing
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Lightweight Steel Floor Joists
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A True Structural Brick Wall:
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Cross Section of Structural Brick Wall
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Cut Brick (Stucco)
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Brick Veneer
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Type IV Construction
Heavy timber, sometimes referred to as “ mill construction “. Structures have masonry walls like type III, but interior wood consists of large timbers. Floors and roof are plankboardWood Columns are at least 8” thick.Wood Girders are at least 6” thick.
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Type IV Examples
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More Heavy Timber
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More Heavy Timber
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Type V Construction
Wood frame. Includes balloon frame and platform construction. Many modern multifamily buildings are constructed this way. Almost all turn of the century homes fall into this category. These type structures are in everybody’s area !
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Modern Type V Construction.
Platform
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Modern Type V Construction.
Platform
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Platform vs. Balloon Frame
Platform Balloon Frame
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Wood Parallel Chord TrussTypically seen in Type V construction
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Finger Jointed Stud
Finger Joint
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A Lumber Yard
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STRUCTURE INVOLVED
Type of structure: Residential, Merchantile, Manufacturing, Educational, Health Care, House of Worship.
Construction: Fire Resistant, Non-Combustible, Ordinary, Heavy Timber, Wood Frame.
Access Points and ObstaclesDesignation of Sides, Exposures,
FloorsPotential Hazards: Collapse (zones based on
building height), Closed Containers, Utilities.
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Risk Assessment
• Condition of Structure: Offensive or Defensive Operation
• Risk vs. Benefit: “Risk a little to save a little” “Risk a lot to save a lot” “Risk nothing to save nothing”• Expected Outcome: Can we save it?
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What Type of Building is this?
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How about now?
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Now?
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Finally. Looks different doesn’t it?
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Lets Try Another:
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Here’s Another View:
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How About Now?
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Now?
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Finally.
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