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Consideration of Protection for Horizontal Fire-Resistance Rated Enclosures
Arthur Gager, PE
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Mar 19, 2021
Life safety systems inside a building are the most important part of that building’s design. They need to be protected as such, and as required by the Code. The method of protection, especially horizontal duct runs, should not be deferred during the design because the protection is very difficult. The protection needs to consider the appropriate fire and structural impacts. This is something that should not be left up to the contractor.
This paper highlights:
Limitations of listed and tested assemblies
Considerations for the basis of an engineering judgement
Basic fire-resistance impacts for duct protection
Structural considerations impacts and changes that are necessary when protection horizontal assemblies
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