With multiple uses comes multiple possibilities for automatic fire sprinkler installations. NFPA 13R: Why does the distinction matter? Pedestal, or podium, construction is permitted by a special provision in the International Building Code that details requirements for a horizontal building separation allowance. To learn more about IBC guidelines for pedestal structures, refer to Section 510.2 of the model code. Typically, the entire structure is comprised of multiple stories of light wood framing over a single- or multi-story concrete or steel podium.Ĭommon configurations include three to five stories of residential use over parking, retail, commercial and/or office space or six or even seven stories of residential use that includes the podium, with subterranean parking. The podium top that separates the lower floor(s) from the upper floors essentially serves as a horizontal firewall-and the buildings above and below are considered separate by model codes, just like buildings on each side of a standard firewall. IBC also mandates that the podium top must be supported by Type IA construction. The provision enables the three-hour fire-rated horizontal assembly that forms the podium’s top.
Podium construction is permitted by a special provision ( Section 510.2) of the 2018 International Building Code (IBC) that details requirements for a horizontal building separation allowance.
Architects, city planners, and authorities having jurisdiction (AHJs) are embracing the benefits of safe structures that can incorporate multiple purposes, mixed types of construction, and less-expensive building materials. The popularity of podium construction has exploded in recent years. NFPA 13R installations in stacked mixed-use buildings. But it’s also created ambiguity for sprinkler contractors, design professionals, and code officials, as professionals attempt to understand when to apply NFPA 13 vs. Podium construction-also known as pedestal or platform construction-has emerged as a popular approach for maximizing the use of smaller urban lots. Guidance for sprinkler contractors confused about mixed-use building sprinkler requirements
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