PEC engineers Chuck Oswald and Matt Barsotti under contract from the National Institute of Building Sciences (NIBS) have received approval and release of their recent work to update UFC 3-340-02 Structures to Resist Accidental Explosion.   

The revised UFC 3-340-02 provides many benefits including:

  • A more user-friendly format, including the ability to simultaneously view figures and tables with the discussion in the text
  • The new masonry design procedures are based on current construction practice and allow the more cost effective use of blast resistant masonry walls
  • The new mechanical splice requirements will, for the first time, allow mechanical couplers to be used in blast resistant construction, significantly reducing reinforcing bar congestion and simplifying concrete placement


The updates to UFC 3-340-02 enhance its ability to be used by facility planners, designers and contractors as a document for planning, design and construction, including all applicable requirements for accessibility, antiterrorism, security, sustainability and safety.

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