PCI opens Fire Resistance standard to comment, clarifies prescriptive vs. rational design

Sources: Precast/Prestressed Concrete Institute, Chicago; CP staff

PCI is accepting comments through January 31 on the proposed Specification for Fire Resistance of Precast/Prestressed Concrete. The PCI MNL 124-18 standard will update 2011 design procedures and address two precast/prestressed concrete engineering approaches: “calculated” fire resistance, encompassing prescriptive provisions with tables for selecting concrete mass or protection of steel; and, “rational design,” a true fire resistance calculation procedure referenced in PCI manuals and the charter International Building Code (2000).

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