Chapter Four.ppt - Chapter Four Building Limitations and...

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Chapter Four Building Limitations and Type of Construction 1 Copyright ©2015 David Diamantes
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Learning Objectives Define and Identify fire resistance properties Describe the five basic construction types Explain why building height and area are regulated Describe calculation method used for building height and area increases 2
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Limit Fire Spread Two most effective methods used to limit potential fire spread and prevent conflagrations are: Limiting building size Regulation of building materials 3
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One Meridian Place fJxe5gexZNU February 23, 1991 Fire Pumps failed Fire began to “Leap Frog” to floors above One 4” supply line hand carried to upper floor for water supply – 4 hour operation 3 firefighters lost their way and died Copyright ©2015 David Diamantes 4
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Building Codes One of the primary purposes of the building codes is to Prevent collapse from Gravity Wind Snow or Rain Earthquake However, the most extensive code provision is fire prevention 5
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6 Fire Resistance Key to understanding the effects of fire on structural components is “ Fire Resistance” Property of materials or their assemblies Are designed to prevent or retard excessive heat, hot gases or flames under conditions of use In broad terms – “ Resistance of a building to collapse or total involvement in fire” Has been termed - Fire Endurance “Brannigan”
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7 Constructional Key Points Combustible versus noncombustible Will or will it not burn “Protected” means “shielded” from fire or encased in concrete, gypsum or other approved material Identification through inspections and pre-fire planning often means determining what isn’t there. Easier than trying to determine what is there. What does this mean?
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8 Building Construction Types Five (5) basic types of construction recognized
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  • Fall '17
  • Building code, Type of Construction, Noncombustible Construction

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